[INFO] fetching crate thread-id 4.0.0...
[INFO] testing thread-id-4.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate thread-id 4.0.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate thread-id 4.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread-id 4.0.0
[INFO] finished tweaking crates.io crate thread-id 4.0.0
[INFO] tweaked toml for crates.io crate thread-id 4.0.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b4982ef86da7977832011812f13c532f4d16f07125a8a4eb80c637af1a0aeca
[INFO] running `Command { std: "docker" "start" "-a" "6b4982ef86da7977832011812f13c532f4d16f07125a8a4eb80c637af1a0aeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b4982ef86da7977832011812f13c532f4d16f07125a8a4eb80c637af1a0aeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4982ef86da7977832011812f13c532f4d16f07125a8a4eb80c637af1a0aeca", kill_on_drop: false }`
[INFO] [stdout] 6b4982ef86da7977832011812f13c532f4d16f07125a8a4eb80c637af1a0aeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ff4dd88799b646fdfdc8265c971ad15936788b9e70c20686b0ab98c57e9c86
[INFO] running `Command { std: "docker" "start" "-a" "28ff4dd88799b646fdfdc8265c971ad15936788b9e70c20686b0ab98c57e9c86", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-id v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "28ff4dd88799b646fdfdc8265c971ad15936788b9e70c20686b0ab98c57e9c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ff4dd88799b646fdfdc8265c971ad15936788b9e70c20686b0ab98c57e9c86", kill_on_drop: false }`
[INFO] [stdout] 28ff4dd88799b646fdfdc8265c971ad15936788b9e70c20686b0ab98c57e9c86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 406d81e2d9d018c9c14a83a77e37b0ad4c71a6fc98a78a166d82faee0c838167
[INFO] running `Command { std: "docker" "start" "-a" "406d81e2d9d018c9c14a83a77e37b0ad4c71a6fc98a78a166d82faee0c838167", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thread-id v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "406d81e2d9d018c9c14a83a77e37b0ad4c71a6fc98a78a166d82faee0c838167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406d81e2d9d018c9c14a83a77e37b0ad4c71a6fc98a78a166d82faee0c838167", kill_on_drop: false }`
[INFO] [stdout] 406d81e2d9d018c9c14a83a77e37b0ad4c71a6fc98a78a166d82faee0c838167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14494abbe9c4eda673854bedf9f27114643c62944fdae2056e39519e5062c49e
[INFO] running `Command { std: "docker" "start" "-a" "14494abbe9c4eda673854bedf9f27114643c62944fdae2056e39519e5062c49e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thread_id-fca9ea77bed92a51)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests thread-id
[INFO] [stdout] test distinct_threads_have_distinct_ids ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14494abbe9c4eda673854bedf9f27114643c62944fdae2056e39519e5062c49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14494abbe9c4eda673854bedf9f27114643c62944fdae2056e39519e5062c49e", kill_on_drop: false }`
[INFO] [stdout] 14494abbe9c4eda673854bedf9f27114643c62944fdae2056e39519e5062c49e