[INFO] fetching crate machine-check-compile 0.6.1...
[INFO] testing machine-check-compile-0.6.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate machine-check-compile 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate machine-check-compile 0.6.1
[INFO] finished tweaking crates.io crate machine-check-compile 0.6.1
[INFO] tweaked toml for crates.io crate machine-check-compile 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate machine-check-compile 0.6.1 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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding cargo_metadata v0.18.1 (available: v0.23.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f00012e557467008c834a009f4e14c25eba58e198012dcd68b730d0d99e56bb
[INFO] running `Command { std: "docker" "start" "-a" "7f00012e557467008c834a009f4e14c25eba58e198012dcd68b730d0d99e56bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f00012e557467008c834a009f4e14c25eba58e198012dcd68b730d0d99e56bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f00012e557467008c834a009f4e14c25eba58e198012dcd68b730d0d99e56bb", kill_on_drop: false }`
[INFO] [stdout] 7f00012e557467008c834a009f4e14c25eba58e198012dcd68b730d0d99e56bb
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3b4899aae89a696bd06b9cc2c33796bcad13c54b706932686d279f6560ae0b
[INFO] running `Command { std: "docker" "start" "-a" "2f3b4899aae89a696bd06b9cc2c33796bcad13c54b706932686d279f6560ae0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cargo-platform v0.1.9
[INFO] [stderr]    Compiling machine-check-common v0.6.1
[INFO] [stderr]    Compiling cargo_metadata v0.18.1
[INFO] [stderr]    Compiling machine-check-compile v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.20s
[INFO] running `Command { std: "docker" "inspect" "2f3b4899aae89a696bd06b9cc2c33796bcad13c54b706932686d279f6560ae0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3b4899aae89a696bd06b9cc2c33796bcad13c54b706932686d279f6560ae0b", kill_on_drop: false }`
[INFO] [stdout] 2f3b4899aae89a696bd06b9cc2c33796bcad13c54b706932686d279f6560ae0b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 578be947c0fa06bd7e138ea76f5ed58cf13296695022aac4499568d24758768d
[INFO] running `Command { std: "docker" "start" "-a" "578be947c0fa06bd7e138ea76f5ed58cf13296695022aac4499568d24758768d", kill_on_drop: false }`
[INFO] [stderr]    Compiling machine-check-compile v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "578be947c0fa06bd7e138ea76f5ed58cf13296695022aac4499568d24758768d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578be947c0fa06bd7e138ea76f5ed58cf13296695022aac4499568d24758768d", kill_on_drop: false }`
[INFO] [stdout] 578be947c0fa06bd7e138ea76f5ed58cf13296695022aac4499568d24758768d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 295391d21004e53c96b1a1f780275af3ba667b243b7e8dac350047d6e7fcda2a
[INFO] running `Command { std: "docker" "start" "-a" "295391d21004e53c96b1a1f780275af3ba667b243b7e8dac350047d6e7fcda2a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/machine_check_compile-e7e1a4ff4c6ba370)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests machine_check_compile
[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" "295391d21004e53c96b1a1f780275af3ba667b243b7e8dac350047d6e7fcda2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295391d21004e53c96b1a1f780275af3ba667b243b7e8dac350047d6e7fcda2a", kill_on_drop: false }`
[INFO] [stdout] 295391d21004e53c96b1a1f780275af3ba667b243b7e8dac350047d6e7fcda2a