[INFO] fetching crate mf 2.1.1...
[INFO] testing mf-2.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mf 2.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mf 2.1.1
[INFO] finished tweaking crates.io crate mf 2.1.1
[INFO] tweaked toml for crates.io crate mf 2.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mf 2.1.1 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 mf 2.1.1 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b1a514584f774b9f5117250ad8544432b2c804c1564949df1efa0e3707d74311
[INFO] running `Command { std: "docker" "start" "-a" "b1a514584f774b9f5117250ad8544432b2c804c1564949df1efa0e3707d74311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1a514584f774b9f5117250ad8544432b2c804c1564949df1efa0e3707d74311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a514584f774b9f5117250ad8544432b2c804c1564949df1efa0e3707d74311", kill_on_drop: false }`
[INFO] [stdout] b1a514584f774b9f5117250ad8544432b2c804c1564949df1efa0e3707d74311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5236b4af2720bf2a571a6efae458a25dd852bfdd95c016c96b61396ef4f0c7b2
[INFO] running `Command { std: "docker" "start" "-a" "5236b4af2720bf2a571a6efae458a25dd852bfdd95c016c96b61396ef4f0c7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mf v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "5236b4af2720bf2a571a6efae458a25dd852bfdd95c016c96b61396ef4f0c7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5236b4af2720bf2a571a6efae458a25dd852bfdd95c016c96b61396ef4f0c7b2", kill_on_drop: false }`
[INFO] [stdout] 5236b4af2720bf2a571a6efae458a25dd852bfdd95c016c96b61396ef4f0c7b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 592839b5df7b4bde2b365e75016659d160c2ad0269b698c591440cad569ff3c1
[INFO] running `Command { std: "docker" "start" "-a" "592839b5df7b4bde2b365e75016659d160c2ad0269b698c591440cad569ff3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling mf v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "592839b5df7b4bde2b365e75016659d160c2ad0269b698c591440cad569ff3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592839b5df7b4bde2b365e75016659d160c2ad0269b698c591440cad569ff3c1", kill_on_drop: false }`
[INFO] [stdout] 592839b5df7b4bde2b365e75016659d160c2ad0269b698c591440cad569ff3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 81065e2898a32e3ea1297e1ba1f876bb3ed0f04e904d156cfcfcf7bd9cad912f
[INFO] running `Command { std: "docker" "start" "-a" "81065e2898a32e3ea1297e1ba1f876bb3ed0f04e904d156cfcfcf7bd9cad912f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mf-b85e1af9ef824c59)
[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" "81065e2898a32e3ea1297e1ba1f876bb3ed0f04e904d156cfcfcf7bd9cad912f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81065e2898a32e3ea1297e1ba1f876bb3ed0f04e904d156cfcfcf7bd9cad912f", kill_on_drop: false }`
[INFO] [stdout] 81065e2898a32e3ea1297e1ba1f876bb3ed0f04e904d156cfcfcf7bd9cad912f