[INFO] fetching crate mev 0.0.0...
[INFO] testing mev-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mev 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mev 0.0.0
[INFO] finished tweaking crates.io crate mev 0.0.0
[INFO] tweaked toml for crates.io crate mev 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mev 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85db5ed538db6549594185c1ebff05dbb5f37c6ba137c6bba322e24f32e4800f
[INFO] running `Command { std: "docker" "start" "-a" "85db5ed538db6549594185c1ebff05dbb5f37c6ba137c6bba322e24f32e4800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85db5ed538db6549594185c1ebff05dbb5f37c6ba137c6bba322e24f32e4800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85db5ed538db6549594185c1ebff05dbb5f37c6ba137c6bba322e24f32e4800f", kill_on_drop: false }`
[INFO] [stdout] 85db5ed538db6549594185c1ebff05dbb5f37c6ba137c6bba322e24f32e4800f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c3127b3281e8640b8180e20a09a5a4dc85b54fdc7a0aa077e1cd94d1daf3a615
[INFO] running `Command { std: "docker" "start" "-a" "c3127b3281e8640b8180e20a09a5a4dc85b54fdc7a0aa077e1cd94d1daf3a615", kill_on_drop: false }`
[INFO] [stderr]    Compiling mev v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "c3127b3281e8640b8180e20a09a5a4dc85b54fdc7a0aa077e1cd94d1daf3a615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3127b3281e8640b8180e20a09a5a4dc85b54fdc7a0aa077e1cd94d1daf3a615", kill_on_drop: false }`
[INFO] [stdout] c3127b3281e8640b8180e20a09a5a4dc85b54fdc7a0aa077e1cd94d1daf3a615
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a8207fb7a6a9bc1d21f07f4c500c0cd9bd9db72427038389d405bd505c04b272
[INFO] running `Command { std: "docker" "start" "-a" "a8207fb7a6a9bc1d21f07f4c500c0cd9bd9db72427038389d405bd505c04b272", kill_on_drop: false }`
[INFO] [stderr]    Compiling mev v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a8207fb7a6a9bc1d21f07f4c500c0cd9bd9db72427038389d405bd505c04b272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8207fb7a6a9bc1d21f07f4c500c0cd9bd9db72427038389d405bd505c04b272", kill_on_drop: false }`
[INFO] [stdout] a8207fb7a6a9bc1d21f07f4c500c0cd9bd9db72427038389d405bd505c04b272
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 56f8e7bb67afc1d1cc38990571b1ec2131921aa4ffefb9d03a261034ecc480ce
[INFO] running `Command { std: "docker" "start" "-a" "56f8e7bb67afc1d1cc38990571b1ec2131921aa4ffefb9d03a261034ecc480ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mev-5fcfb9ca6f05a1fa)
[INFO] [stderr]    Doc-tests mev
[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] [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" "56f8e7bb67afc1d1cc38990571b1ec2131921aa4ffefb9d03a261034ecc480ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f8e7bb67afc1d1cc38990571b1ec2131921aa4ffefb9d03a261034ecc480ce", kill_on_drop: false }`
[INFO] [stdout] 56f8e7bb67afc1d1cc38990571b1ec2131921aa4ffefb9d03a261034ecc480ce