[INFO] fetching crate error_hook 0.2.3...
[INFO] testing error_hook-0.2.3 against beta-2026-01-20 for beta-1.94-2
[INFO] extracting crate error_hook 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate error_hook 0.2.3
[INFO] finished tweaking crates.io crate error_hook 0.2.3
[INFO] tweaked toml for crates.io crate error_hook 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error_hook 0.2.3 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c54f01ff3f4a006896460654ef06b6e53fff71fdae757b4b6130c965c0bcedf9
[INFO] running `Command { std: "docker" "start" "-a" "c54f01ff3f4a006896460654ef06b6e53fff71fdae757b4b6130c965c0bcedf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54f01ff3f4a006896460654ef06b6e53fff71fdae757b4b6130c965c0bcedf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54f01ff3f4a006896460654ef06b6e53fff71fdae757b4b6130c965c0bcedf9", kill_on_drop: false }`
[INFO] [stdout] c54f01ff3f4a006896460654ef06b6e53fff71fdae757b4b6130c965c0bcedf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0718ece722253b430888850bd1d8c40726ecc979277b6fa6f83e974ad9d7a1c2
[INFO] running `Command { std: "docker" "start" "-a" "0718ece722253b430888850bd1d8c40726ecc979277b6fa6f83e974ad9d7a1c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling error_hook_attr v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling error_hook v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0565]: malformed `doc` attribute input
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #[doc(hidden("or you will be fired"))]
[INFO] [stdout]    | ^^^^^^^^^^^^------------------------^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             didn't expect any arguments here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0565]: malformed `doc` attribute input
[INFO] [stdout]   --> src/lib.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | #[doc(hidden("or you will be fired"))]
[INFO] [stdout]    | ^^^^^^^^^^^^------------------------^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             didn't expect any arguments here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0565]: malformed `doc` attribute input
[INFO] [stdout]    --> src/lib.rs:102:1
[INFO] [stdout]     |
[INFO] [stdout] 102 | #[doc(hidden("or you will be fired"))]
[INFO] [stdout]     | ^^^^^^^^^^^^------------------------^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             didn't expect any arguments here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0565]: malformed `doc` attribute input
[INFO] [stdout]    --> src/lib.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     #[doc(hidden("or you will be fired"))]
[INFO] [stdout]     |     ^^^^^^^^^^^^------------------------^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 didn't expect any arguments here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0565]: malformed `doc` attribute input
[INFO] [stdout]    --> src/lib.rs:122:1
[INFO] [stdout]     |
[INFO] [stdout] 122 | #[doc(hidden("or you will be fired"))]
[INFO] [stdout]     | ^^^^^^^^^^^^------------------------^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             didn't expect any arguments here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0565`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `error_hook` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "0718ece722253b430888850bd1d8c40726ecc979277b6fa6f83e974ad9d7a1c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0718ece722253b430888850bd1d8c40726ecc979277b6fa6f83e974ad9d7a1c2", kill_on_drop: false }`
[INFO] [stdout] 0718ece722253b430888850bd1d8c40726ecc979277b6fa6f83e974ad9d7a1c2