[INFO] fetching crate gc_derive 0.4.1...
[INFO] testing gc_derive-0.4.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate gc_derive 0.4.1 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate gc_derive 0.4.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc_derive 0.4.1
[INFO] finished tweaking crates.io crate gc_derive 0.4.1
[INFO] tweaked toml for crates.io crate gc_derive 0.4.1 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9ab1ea8ee235d87ba05ee0fa5c9077741dcea421a805fff8df34342eaddaab
[INFO] running `Command { std: "docker" "start" "-a" "ff9ab1ea8ee235d87ba05ee0fa5c9077741dcea421a805fff8df34342eaddaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9ab1ea8ee235d87ba05ee0fa5c9077741dcea421a805fff8df34342eaddaab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9ab1ea8ee235d87ba05ee0fa5c9077741dcea421a805fff8df34342eaddaab", kill_on_drop: false }`
[INFO] [stdout] ff9ab1ea8ee235d87ba05ee0fa5c9077741dcea421a805fff8df34342eaddaab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8526a4b3c664414852ce0118e96e177e9ed2528e00de6c81db8810ed14921a78
[INFO] running `Command { std: "docker" "start" "-a" "8526a4b3c664414852ce0118e96e177e9ed2528e00de6c81db8810ed14921a78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.06s
[INFO] running `Command { std: "docker" "inspect" "8526a4b3c664414852ce0118e96e177e9ed2528e00de6c81db8810ed14921a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8526a4b3c664414852ce0118e96e177e9ed2528e00de6c81db8810ed14921a78", kill_on_drop: false }`
[INFO] [stdout] 8526a4b3c664414852ce0118e96e177e9ed2528e00de6c81db8810ed14921a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d6cc7d407806710ff3c76ae414ebfc340ab15817ed7868d920a594dbd944659
[INFO] running `Command { std: "docker" "start" "-a" "3d6cc7d407806710ff3c76ae414ebfc340ab15817ed7868d920a594dbd944659", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc_derive v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "3d6cc7d407806710ff3c76ae414ebfc340ab15817ed7868d920a594dbd944659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6cc7d407806710ff3c76ae414ebfc340ab15817ed7868d920a594dbd944659", kill_on_drop: false }`
[INFO] [stdout] 3d6cc7d407806710ff3c76ae414ebfc340ab15817ed7868d920a594dbd944659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b5f57f0ac78de060747f6e49070f4a7a229c0d479a2a6dc6f8b3e0745f2b766a
[INFO] running `Command { std: "docker" "start" "-a" "b5f57f0ac78de060747f6e49070f4a7a229c0d479a2a6dc6f8b3e0745f2b766a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gc_derive-187621a974cb7e01)
[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] [stderr]    Doc-tests gc_derive
[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" "b5f57f0ac78de060747f6e49070f4a7a229c0d479a2a6dc6f8b3e0745f2b766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f57f0ac78de060747f6e49070f4a7a229c0d479a2a6dc6f8b3e0745f2b766a", kill_on_drop: false }`
[INFO] [stdout] b5f57f0ac78de060747f6e49070f4a7a229c0d479a2a6dc6f8b3e0745f2b766a