[INFO] fetching crate mjb_gc_derive 0.2.0...
[INFO] testing mjb_gc_derive-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mjb_gc_derive 0.2.0 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate mjb_gc_derive 0.2.0 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 mjb_gc_derive 0.2.0
[INFO] finished tweaking crates.io crate mjb_gc_derive 0.2.0
[INFO] tweaked toml for crates.io crate mjb_gc_derive 0.2.0 written to /workspace/builds/worker-58/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-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] e0748de81a9da00b32a1225e0d06cd40fd45fe5d40020697354a7693bc4d0dec
[INFO] running `Command { std: "docker" "start" "-a" "e0748de81a9da00b32a1225e0d06cd40fd45fe5d40020697354a7693bc4d0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0748de81a9da00b32a1225e0d06cd40fd45fe5d40020697354a7693bc4d0dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0748de81a9da00b32a1225e0d06cd40fd45fe5d40020697354a7693bc4d0dec", kill_on_drop: false }`
[INFO] [stdout] e0748de81a9da00b32a1225e0d06cd40fd45fe5d40020697354a7693bc4d0dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 05e633b49159198d914f7aba334ab5e834a7e1a3924d6331b41cd434be0e97e5
[INFO] running `Command { std: "docker" "start" "-a" "05e633b49159198d914f7aba334ab5e834a7e1a3924d6331b41cd434be0e97e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling mjb_gc_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.08s
[INFO] running `Command { std: "docker" "inspect" "05e633b49159198d914f7aba334ab5e834a7e1a3924d6331b41cd434be0e97e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e633b49159198d914f7aba334ab5e834a7e1a3924d6331b41cd434be0e97e5", kill_on_drop: false }`
[INFO] [stdout] 05e633b49159198d914f7aba334ab5e834a7e1a3924d6331b41cd434be0e97e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 64efbe0df57eadd79301f2f42c79b78d85afa6e203e59c5f12356c0939429d38
[INFO] running `Command { std: "docker" "start" "-a" "64efbe0df57eadd79301f2f42c79b78d85afa6e203e59c5f12356c0939429d38", kill_on_drop: false }`
[INFO] [stderr]    Compiling mjb_gc_derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "64efbe0df57eadd79301f2f42c79b78d85afa6e203e59c5f12356c0939429d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efbe0df57eadd79301f2f42c79b78d85afa6e203e59c5f12356c0939429d38", kill_on_drop: false }`
[INFO] [stdout] 64efbe0df57eadd79301f2f42c79b78d85afa6e203e59c5f12356c0939429d38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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] 1a0e91ce0094c54f2654a60205d4d5454df0973fc9f9442e0423d691faf93210
[INFO] running `Command { std: "docker" "start" "-a" "1a0e91ce0094c54f2654a60205d4d5454df0973fc9f9442e0423d691faf93210", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mjb_gc_derive-7ab3e6b5ee0828b5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mjb_gc_derive
[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] [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" "1a0e91ce0094c54f2654a60205d4d5454df0973fc9f9442e0423d691faf93210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0e91ce0094c54f2654a60205d4d5454df0973fc9f9442e0423d691faf93210", kill_on_drop: false }`
[INFO] [stdout] 1a0e91ce0094c54f2654a60205d4d5454df0973fc9f9442e0423d691faf93210