[INFO] fetching crate parse-variants-derive 0.1.0...
[INFO] testing parse-variants-derive-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate parse-variants-derive 0.1.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate parse-variants-derive 0.1.0 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 parse-variants-derive 0.1.0
[INFO] finished tweaking crates.io crate parse-variants-derive 0.1.0
[INFO] tweaked toml for crates.io crate parse-variants-derive 0.1.0 written to /workspace/builds/worker-71/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 63c672515a45097aa6cc46c72abe5a8c2b07d9e8048118ee42fe3178933d7fb1
[INFO] running `Command { std: "docker" "start" "-a" "63c672515a45097aa6cc46c72abe5a8c2b07d9e8048118ee42fe3178933d7fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c672515a45097aa6cc46c72abe5a8c2b07d9e8048118ee42fe3178933d7fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c672515a45097aa6cc46c72abe5a8c2b07d9e8048118ee42fe3178933d7fb1", kill_on_drop: false }`
[INFO] [stdout] 63c672515a45097aa6cc46c72abe5a8c2b07d9e8048118ee42fe3178933d7fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] b82c8264a4f3e2bb6472dcd0b3c9898209968ee43b8816bb780410fb86618a53
[INFO] running `Command { std: "docker" "start" "-a" "b82c8264a4f3e2bb6472dcd0b3c9898209968ee43b8816bb780410fb86618a53", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling parse-variants-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "b82c8264a4f3e2bb6472dcd0b3c9898209968ee43b8816bb780410fb86618a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82c8264a4f3e2bb6472dcd0b3c9898209968ee43b8816bb780410fb86618a53", kill_on_drop: false }`
[INFO] [stdout] b82c8264a4f3e2bb6472dcd0b3c9898209968ee43b8816bb780410fb86618a53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 19104277dac3f10404d8d026a4337ce4f33f1ff816c273e373d70a897307fc29
[INFO] running `Command { std: "docker" "start" "-a" "19104277dac3f10404d8d026a4337ce4f33f1ff816c273e373d70a897307fc29", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parse-variants-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "19104277dac3f10404d8d026a4337ce4f33f1ff816c273e373d70a897307fc29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19104277dac3f10404d8d026a4337ce4f33f1ff816c273e373d70a897307fc29", kill_on_drop: false }`
[INFO] [stdout] 19104277dac3f10404d8d026a4337ce4f33f1ff816c273e373d70a897307fc29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 7bfaa87bbb18736b9dfc47dd6cc8d4bda396bfd3adf5a0deba24074b5088edae
[INFO] running `Command { std: "docker" "start" "-a" "7bfaa87bbb18736b9dfc47dd6cc8d4bda396bfd3adf5a0deba24074b5088edae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/parse_variants_derive-c3249ebc64236258)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parse-variants-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" "7bfaa87bbb18736b9dfc47dd6cc8d4bda396bfd3adf5a0deba24074b5088edae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfaa87bbb18736b9dfc47dd6cc8d4bda396bfd3adf5a0deba24074b5088edae", kill_on_drop: false }`
[INFO] [stdout] 7bfaa87bbb18736b9dfc47dd6cc8d4bda396bfd3adf5a0deba24074b5088edae