[INFO] fetching crate mark_recall 0.1.0...
[INFO] testing mark_recall-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mark_recall 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mark_recall 0.1.0
[INFO] finished tweaking crates.io crate mark_recall 0.1.0
[INFO] tweaked toml for crates.io crate mark_recall 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mark_recall 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mark_recall 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 894d04d4c0781ae94df73ae03da618975f12031cb2cbc504b0386593bc8ce259
[INFO] running `Command { std: "docker" "start" "-a" "894d04d4c0781ae94df73ae03da618975f12031cb2cbc504b0386593bc8ce259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "894d04d4c0781ae94df73ae03da618975f12031cb2cbc504b0386593bc8ce259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894d04d4c0781ae94df73ae03da618975f12031cb2cbc504b0386593bc8ce259", kill_on_drop: false }`
[INFO] [stdout] 894d04d4c0781ae94df73ae03da618975f12031cb2cbc504b0386593bc8ce259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b64ffd201baac7e356060d0f1671bd352dd8b15f86375de8c787d8759b06b1ad
[INFO] running `Command { std: "docker" "start" "-a" "b64ffd201baac7e356060d0f1671bd352dd8b15f86375de8c787d8759b06b1ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling mark_recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Mark` is never constructed
[INFO] [stdout]   --> src/bin/mr.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Mark {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "b64ffd201baac7e356060d0f1671bd352dd8b15f86375de8c787d8759b06b1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64ffd201baac7e356060d0f1671bd352dd8b15f86375de8c787d8759b06b1ad", kill_on_drop: false }`
[INFO] [stdout] b64ffd201baac7e356060d0f1671bd352dd8b15f86375de8c787d8759b06b1ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bcfa52abd979bd0f7f7e3b00b1ffbc251ba7dfa654585342b70be6bb9b3ba8
[INFO] running `Command { std: "docker" "start" "-a" "b4bcfa52abd979bd0f7f7e3b00b1ffbc251ba7dfa654585342b70be6bb9b3ba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mark_recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Mark` is never constructed
[INFO] [stdout]   --> src/bin/mr.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Mark {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b4bcfa52abd979bd0f7f7e3b00b1ffbc251ba7dfa654585342b70be6bb9b3ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bcfa52abd979bd0f7f7e3b00b1ffbc251ba7dfa654585342b70be6bb9b3ba8", kill_on_drop: false }`
[INFO] [stdout] b4bcfa52abd979bd0f7f7e3b00b1ffbc251ba7dfa654585342b70be6bb9b3ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16ac453cb5ea2a94a18c959479858b5c10a127232d3910b8bbbb710bdc6c9db0
[INFO] running `Command { std: "docker" "start" "-a" "16ac453cb5ea2a94a18c959479858b5c10a127232d3910b8bbbb710bdc6c9db0", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Mark` is never constructed
[INFO] [stderr]   --> src/bin/mr.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | struct Mark {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mark_recall` (bin "mr" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/bin/mr.rs (/opt/rustwide/target/debug/deps/mr-24fd5d0d33dc2c79)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16ac453cb5ea2a94a18c959479858b5c10a127232d3910b8bbbb710bdc6c9db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ac453cb5ea2a94a18c959479858b5c10a127232d3910b8bbbb710bdc6c9db0", kill_on_drop: false }`
[INFO] [stdout] 16ac453cb5ea2a94a18c959479858b5c10a127232d3910b8bbbb710bdc6c9db0