[INFO] fetching crate serial-mcp 0.5.1...
[INFO] checking serial-mcp-0.5.1 against master#43a4909ee98ed4d006d9d773f5d94dc58e34f846 for pr-157576
[INFO] extracting crate serial-mcp 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate serial-mcp 0.5.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serial-mcp 0.5.1
[INFO] tweaked toml for crates.io crate serial-mcp 0.5.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-mcp 0.5.1 on toolchain 43a4909ee98ed4d006d9d773f5d94dc58e34f846
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serial-mcp 0.5.1 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" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.25
[INFO] [stderr]   Downloaded schemars_derive v1.2.1
[INFO] [stderr]   Downloaded schemars v1.2.1
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded ref-cast v1.0.25
[INFO] [stderr]   Downloaded sse-stream v0.2.3
[INFO] [stderr]   Downloaded borrow-or-share v0.2.4
[INFO] [stderr]   Downloaded uuid-simd v0.8.0
[INFO] [stderr]   Downloaded mutants v0.0.4
[INFO] [stderr]   Downloaded rmcp-macros v1.7.0
[INFO] [stderr]   Downloaded pastey v0.2.3
[INFO] [stderr]   Downloaded referencing v0.26.2
[INFO] [stderr]   Downloaded rusty-fork v0.3.1
[INFO] [stderr]   Downloaded num-cmp v0.1.0
[INFO] [stderr]   Downloaded proptest-derive v0.5.1
[INFO] [stderr]   Downloaded fluent-uri v0.3.2
[INFO] [stderr]   Downloaded cc v1.2.62
[INFO] [stderr]   Downloaded fancy-regex v0.14.0
[INFO] [stderr]   Downloaded jsonschema v0.26.2
[INFO] [stderr]   Downloaded fraction v0.15.4
[INFO] [stderr]   Downloaded process-wrap v9.1.0
[INFO] [stderr]   Downloaded rmcp v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883
[INFO] running `Command { std: "docker" "start" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883" "/opt/rustwide/cargo-home/bin/cargo" "+43a4909ee98ed4d006d9d773f5d94dc58e34f846" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
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[INFO] [stderr]    Compiling serial-mcp v0.5.1 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling derive_arbitrary v1.4.2
[INFO] [stderr]    Compiling proptest-derive v0.5.1
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[INFO] [stderr]    Compiling darling_macro v0.23.0
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883", kill_on_drop: false }`
[INFO] [stdout] 8b41654b11c8ea04322a6654680fdd3b2e406db7d530ee7e6420458ab6287883