[INFO] fetching crate mfm 0.0.0...
[INFO] testing mfm-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mfm 0.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mfm 0.0.0
[INFO] finished tweaking crates.io crate mfm 0.0.0
[INFO] tweaked toml for crates.io crate mfm 0.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mfm 0.0.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mfm 0.0.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c51b8877902ea5dc617aaba2ff2ba7354e2399dfa920d9347fa15e34fb14f59f
[INFO] running `Command { std: "docker" "start" "-a" "c51b8877902ea5dc617aaba2ff2ba7354e2399dfa920d9347fa15e34fb14f59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51b8877902ea5dc617aaba2ff2ba7354e2399dfa920d9347fa15e34fb14f59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51b8877902ea5dc617aaba2ff2ba7354e2399dfa920d9347fa15e34fb14f59f", kill_on_drop: false }`
[INFO] [stdout] c51b8877902ea5dc617aaba2ff2ba7354e2399dfa920d9347fa15e34fb14f59f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92ac8eb3a833e299e8507da2ab3ddc7716f876c525adb031e94d66e0894cc36a
[INFO] running `Command { std: "docker" "start" "-a" "92ac8eb3a833e299e8507da2ab3ddc7716f876c525adb031e94d66e0894cc36a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mfm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "92ac8eb3a833e299e8507da2ab3ddc7716f876c525adb031e94d66e0894cc36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ac8eb3a833e299e8507da2ab3ddc7716f876c525adb031e94d66e0894cc36a", kill_on_drop: false }`
[INFO] [stdout] 92ac8eb3a833e299e8507da2ab3ddc7716f876c525adb031e94d66e0894cc36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac5a9b43f9aeb9d3c0de1521ff9cd9dc89aa13c8c3892a38a3ad60640d948369
[INFO] running `Command { std: "docker" "start" "-a" "ac5a9b43f9aeb9d3c0de1521ff9cd9dc89aa13c8c3892a38a3ad60640d948369", kill_on_drop: false }`
[INFO] [stderr]    Compiling mfm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "ac5a9b43f9aeb9d3c0de1521ff9cd9dc89aa13c8c3892a38a3ad60640d948369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5a9b43f9aeb9d3c0de1521ff9cd9dc89aa13c8c3892a38a3ad60640d948369", kill_on_drop: false }`
[INFO] [stdout] ac5a9b43f9aeb9d3c0de1521ff9cd9dc89aa13c8c3892a38a3ad60640d948369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3bde009777aa315d334c5d06b72cd2c74363f833521e2302667eb91a06f156d9
[INFO] running `Command { std: "docker" "start" "-a" "3bde009777aa315d334c5d06b72cd2c74363f833521e2302667eb91a06f156d9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mfm-c48dc54b95c08378)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mfm
[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" "3bde009777aa315d334c5d06b72cd2c74363f833521e2302667eb91a06f156d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bde009777aa315d334c5d06b72cd2c74363f833521e2302667eb91a06f156d9", kill_on_drop: false }`
[INFO] [stdout] 3bde009777aa315d334c5d06b72cd2c74363f833521e2302667eb91a06f156d9