[INFO] fetching crate gc-arena-derive 0.2.2...
[INFO] testing gc-arena-derive-0.2.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate gc-arena-derive 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gc-arena-derive 0.2.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc-arena-derive 0.2.2
[INFO] finished tweaking crates.io crate gc-arena-derive 0.2.2
[INFO] tweaked toml for crates.io crate gc-arena-derive 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 770ce0e15664674bb4b2fae4935b8bd95d7d33d359de63b5158a2752516221f1
[INFO] running `Command { std: "docker" "start" "-a" "770ce0e15664674bb4b2fae4935b8bd95d7d33d359de63b5158a2752516221f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "770ce0e15664674bb4b2fae4935b8bd95d7d33d359de63b5158a2752516221f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770ce0e15664674bb4b2fae4935b8bd95d7d33d359de63b5158a2752516221f1", kill_on_drop: false }`
[INFO] [stdout] 770ce0e15664674bb4b2fae4935b8bd95d7d33d359de63b5158a2752516221f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e247e8acdcc4eac58d1ccf3f4a7916e731535fcba0483c9a5cb04f0d63a9f7e
[INFO] running `Command { std: "docker" "start" "-a" "4e247e8acdcc4eac58d1ccf3f4a7916e731535fcba0483c9a5cb04f0d63a9f7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling gc-arena-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "4e247e8acdcc4eac58d1ccf3f4a7916e731535fcba0483c9a5cb04f0d63a9f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e247e8acdcc4eac58d1ccf3f4a7916e731535fcba0483c9a5cb04f0d63a9f7e", kill_on_drop: false }`
[INFO] [stdout] 4e247e8acdcc4eac58d1ccf3f4a7916e731535fcba0483c9a5cb04f0d63a9f7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03bdd7d9d3d02a757ceec113b46c063fd1f13d2e849bc6c9b997ae328421c0af
[INFO] running `Command { std: "docker" "start" "-a" "03bdd7d9d3d02a757ceec113b46c063fd1f13d2e849bc6c9b997ae328421c0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling gc-arena-derive v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "03bdd7d9d3d02a757ceec113b46c063fd1f13d2e849bc6c9b997ae328421c0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bdd7d9d3d02a757ceec113b46c063fd1f13d2e849bc6c9b997ae328421c0af", kill_on_drop: false }`
[INFO] [stdout] 03bdd7d9d3d02a757ceec113b46c063fd1f13d2e849bc6c9b997ae328421c0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8352a4757a6bdf7733906eb9d52560016c87f7acfb9aba89b4d633c1e9b8f93d
[INFO] running `Command { std: "docker" "start" "-a" "8352a4757a6bdf7733906eb9d52560016c87f7acfb9aba89b4d633c1e9b8f93d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gc_arena_derive-48acb4292135f04d)
[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-arena-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" "8352a4757a6bdf7733906eb9d52560016c87f7acfb9aba89b4d633c1e9b8f93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8352a4757a6bdf7733906eb9d52560016c87f7acfb9aba89b4d633c1e9b8f93d", kill_on_drop: false }`
[INFO] [stdout] 8352a4757a6bdf7733906eb9d52560016c87f7acfb9aba89b4d633c1e9b8f93d