"Blob ID is missing in index files" on pruning #490
Description
Hi there,
This message started to show up after other issues I already reported, which are apparently unrelated (and sometimes unrelated to rustic), but may have created corruption at some point.
On a machine with no history of failure/disk full and no notable event, prune commands stopped to work for all profiles with the following error:
Message:
Blob ID `205baf63` is missing in index files.
We believe this is a bug, please report it by opening an issue at:
https://github.com/rustic-rs/rustic_core/issues/new
for once I'm asked to create an issue to there it is. I compiled rustic so the stacktrace shows up. Complete output is below:
$ sudo RUST_BACKTRACE=1 ./rustic -P platine forget --log-level=debug --log-level-dependencies=debug --prune --no-progress
[sudo] password for me:
[INFO] using config /etc/rustic/platine.toml
[INFO] using config /etc/rustic/global.toml
[DEBUG] initialized global time zone database: TimeZoneDatabase(ZoneInfo(/usr/share/zoneinfo))
[INFO] repository local:/data/backup/repository: password is correct.
[INFO] using cache at /root/.cache/rustic/822c46af18f258ff765facec47fd66022f13e7f573e9c5400ea321955aba2679
[DEBUG] `TZ` environment variable is not set
[INFO] snapshots for (host [scenari], label [], paths [/data/backup/platine,/var/lib/docker/volumes/platine,/var/lib/docker/volumes/platine-es-backup]):
[...]
# abbreviated for easier reading
[...]
| bb71ae2c | 2026-02-22 | scenari | | platine | /data/backup/platine | keep | weekly |
| | 02:09:27 | | | | /var/lib/docker/volumes/p | | |
| | | | | | latine-es-backup | | |
| | | | | | /var/lib/docker/volumes/p | | |
| | | | | | latine/_data/addons | | |
| | | | | | /var/lib/docker/volumes/p | | |
| | | | | | latine/_data/data | | |
[INFO] nothing to remove
[INFO] repository local:/data/backup/repository: password is correct.
[INFO] using cache at /root/.cache/rustic/822c46af18f258ff765facec47fd66022f13e7f573e9c5400ea321955aba2679
error: `rustic_core` experienced an error related to `internal operations`.
Message:
Blob ID `205baf63` is missing in index files.
We believe this is a bug, please report it by opening an issue at:
https://github.com/rustic-rs/rustic_core/issues/new
If you can, please attach an anonymized debug log to the issue.
Thank you for helping us improve rustic!
Some additional details ...
Backtrace:
0: rustic_core::error::RusticError::new
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/rustic_core-0.10.1/src/error.rs:341:29
1: rustic_core::commands::prune::PrunePlan::check
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/rustic_core-0.10.1/src/commands/prune.rs:794:28
2: rustic_core::commands::prune::PrunePlan::from_prune_options
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/rustic_core-0.10.1/src/commands/prune.rs:739:16
3: rustic_core::repository::Repository<S>::prune_plan
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/rustic_core-0.10.1/src/repository.rs:1071:9
4: rustic_rs::commands::prune::PruneCmd::inner_run
at /home/me/rustic-0.11.1/src/commands/prune.rs:39:31
5: <rustic_rs::commands::prune::PruneCmd as abscissa_core::runnable::Runnable>::run::{{closure}}
at /home/me/rustic-0.11.1/src/commands/prune.rs:27:35
6: rustic_rs::repository::AllRepositoryOptions::run_open::{{closure}}
at /home/me/rustic-0.11.1/src/repository.rs:81:25
7: rustic_rs::repository::AllRepositoryOptions::run_with_progress::{{closure}}
at /home/me/rustic-0.11.1/src/repository.rs:72:27
8: rustic_rs::config::hooks::Hooks::use_with
at /home/me/rustic-0.11.1/src/config/hooks.rs:107:29
9: rustic_rs::repository::AllRepositoryOptions::run_with_progress
at /home/me/rustic-0.11.1/src/repository.rs:72:15
10: rustic_rs::repository::AllRepositoryOptions::run
at /home/me/rustic-0.11.1/src/repository.rs:77:14
11: rustic_rs::repository::AllRepositoryOptions::run_open
at /home/me/rustic-0.11.1/src/repository.rs:81:14
12: <rustic_rs::commands::prune::PruneCmd as abscissa_core::runnable::Runnable>::run
at /home/me/rustic-0.11.1/src/commands/prune.rs:27:14
13: rustic_rs::commands::forget::ForgetCmd::inner_run
at /home/me/rustic-0.11.1/src/commands/forget.rs:158:24
14: <rustic_rs::commands::forget::ForgetCmd as abscissa_core::runnable::Runnable>::run::{{closure}}
at /home/me/rustic-0.11.1/src/commands/forget.rs:96:35
15: rustic_rs::repository::AllRepositoryOptions::run_open::{{closure}}
at /home/me/rustic-0.11.1/src/repository.rs:81:25
16: rustic_rs::repository::AllRepositoryOptions::run_with_progress::{{closure}}
at /home/me/rustic-0.11.1/src/repository.rs:72:27
17: rustic_rs::config::hooks::Hooks::use_with
at /home/me/rustic-0.11.1/src/config/hooks.rs:107:29
18: rustic_rs::repository::AllRepositoryOptions::run_with_progress
at /home/me/rustic-0.11.1/src/repository.rs:72:15
19: rustic_rs::repository::AllRepositoryOptions::run
at /home/me/rustic-0.11.1/src/repository.rs:77:14
20: rustic_rs::repository::AllRepositoryOptions::run_open
at /home/me/rustic-0.11.1/src/repository.rs:81:14
21: <rustic_rs::commands::forget::ForgetCmd as abscissa_core::runnable::Runnable>::run
at /home/me/rustic-0.11.1/src/commands/forget.rs:96:14
22: rustic_rs::commands::_::<impl abscissa_core::runnable::Runnable for rustic_rs::commands::RusticCmd>::run
at /home/me/rustic-0.11.1/src/commands.rs:73:40
23: <rustic_rs::commands::EntryPoint as abscissa_core::runnable::Runnable>::run
at /home/me/rustic-0.11.1/src/commands.rs:202:23
24: abscissa_core::application::Application::run
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/abscissa_core-0.9.0/src/application.rs:61:17
25: abscissa_core::application::boot_with_args
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/abscissa_core-0.9.0/src/application.rs:201:5
26: abscissa_core::application::boot
at /home/me/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/abscissa_core-0.9.0/src/application.rs:187:5
27: rustic::main
at /home/me/rustic-0.11.1/src/bin/rustic.rs:22:5
28: core::ops::function::FnOnce::call_once
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:250:5
29: std::sys::backtrace::__rust_begin_short_backtrace
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/sys/backtrace.rs:166:18
30: std::rt::lang_start::{{closure}}
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:206:18
31: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/core/src/ops/function.rs:287:21
32: std::panicking::catch_unwind::do_call
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
33: std::panicking::catch_unwind
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
34: std::panic::catch_unwind
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
35: std::rt::lang_start_internal::{{closure}}
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:175:24
36: std::panicking::catch_unwind::do_call
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:581:40
37: std::panicking::catch_unwind
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panicking.rs:544:19
38: std::panic::catch_unwind
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/panic.rs:359:14
39: std::rt::lang_start_internal
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:171:5
40: std::rt::lang_start
at /rustc/4a4ef493e3a1488c6e321570238084b38948f6db/library/std/src/rt.rs:205:5
41: main
42: <unknown>
43: __libc_start_main
44: _start
check (with or without --read-data), repair index and repair snapshots report no error at all.
Please let me know if I can provide more information, and if you have an idea to solve this besides starting with a fresh repository.
Have a nice day!