[INFO] fetching crate mlang 0.1.0...
[INFO] testing mlang-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mlang 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mlang 0.1.0
[INFO] finished tweaking crates.io crate mlang 0.1.0
[INFO] tweaked toml for crates.io crate mlang 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlang 0.1.0 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] crate crates.io crate mlang 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] aa80c88ac441ce2a3124ce9da2627cf435293ca5d778a878becceb21ff4f4ac5
[INFO] running `Command { std: "docker" "start" "-a" "aa80c88ac441ce2a3124ce9da2627cf435293ca5d778a878becceb21ff4f4ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa80c88ac441ce2a3124ce9da2627cf435293ca5d778a878becceb21ff4f4ac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa80c88ac441ce2a3124ce9da2627cf435293ca5d778a878becceb21ff4f4ac5", kill_on_drop: false }`
[INFO] [stdout] aa80c88ac441ce2a3124ce9da2627cf435293ca5d778a878becceb21ff4f4ac5
[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] cea2c1b57a296e60b57a064a072a7fb85c89d834d0eb1b6f4c46c5bcbefe343c
[INFO] running `Command { std: "docker" "start" "-a" "cea2c1b57a296e60b57a064a072a7fb85c89d834d0eb1b6f4c46c5bcbefe343c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "cea2c1b57a296e60b57a064a072a7fb85c89d834d0eb1b6f4c46c5bcbefe343c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea2c1b57a296e60b57a064a072a7fb85c89d834d0eb1b6f4c46c5bcbefe343c", kill_on_drop: false }`
[INFO] [stdout] cea2c1b57a296e60b57a064a072a7fb85c89d834d0eb1b6f4c46c5bcbefe343c
[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] 22759cd9c8655a3569dfe70d2b044cfad085d51e80c6cefcc36f47ee74eecec5
[INFO] running `Command { std: "docker" "start" "-a" "22759cd9c8655a3569dfe70d2b044cfad085d51e80c6cefcc36f47ee74eecec5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "22759cd9c8655a3569dfe70d2b044cfad085d51e80c6cefcc36f47ee74eecec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22759cd9c8655a3569dfe70d2b044cfad085d51e80c6cefcc36f47ee74eecec5", kill_on_drop: false }`
[INFO] [stdout] 22759cd9c8655a3569dfe70d2b044cfad085d51e80c6cefcc36f47ee74eecec5
[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] 3b05f18b1376c567ddf2743da1189263b3cb5b84e3a35550144bb62c06cddbde
[INFO] running `Command { std: "docker" "start" "-a" "3b05f18b1376c567ddf2743da1189263b3cb5b84e3a35550144bb62c06cddbde", 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/mlang-ab0818fc24101c39)
[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" "3b05f18b1376c567ddf2743da1189263b3cb5b84e3a35550144bb62c06cddbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b05f18b1376c567ddf2743da1189263b3cb5b84e3a35550144bb62c06cddbde", kill_on_drop: false }`
[INFO] [stdout] 3b05f18b1376c567ddf2743da1189263b3cb5b84e3a35550144bb62c06cddbde