[INFO] fetching crate gc-arena-derive 0.5.3...
[INFO] checking gc-arena-derive-0.5.3 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate gc-arena-derive 0.5.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate gc-arena-derive 0.5.3 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gc-arena-derive 0.5.3
[INFO] finished tweaking crates.io crate gc-arena-derive 0.5.3
[INFO] tweaked toml for crates.io crate gc-arena-derive 0.5.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d8232b682363eed22de4a9452d673aa5ee605053e75136cb7214a62116297c
[INFO] running `Command { std: "docker" "start" "-a" "55d8232b682363eed22de4a9452d673aa5ee605053e75136cb7214a62116297c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d8232b682363eed22de4a9452d673aa5ee605053e75136cb7214a62116297c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d8232b682363eed22de4a9452d673aa5ee605053e75136cb7214a62116297c", kill_on_drop: false }`
[INFO] [stdout] 55d8232b682363eed22de4a9452d673aa5ee605053e75136cb7214a62116297c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3a2d909fc2dabc66493851253dcd5b49731e5b74d0293c3680c005ce3eed79b
[INFO] running `Command { std: "docker" "start" "-a" "b3a2d909fc2dabc66493851253dcd5b49731e5b74d0293c3680c005ce3eed79b", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.79
[INFO] [stderr]     Checking synstructure v0.13.1
[INFO] [stderr]     Checking gc-arena-derive v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "b3a2d909fc2dabc66493851253dcd5b49731e5b74d0293c3680c005ce3eed79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a2d909fc2dabc66493851253dcd5b49731e5b74d0293c3680c005ce3eed79b", kill_on_drop: false }`
[INFO] [stdout] b3a2d909fc2dabc66493851253dcd5b49731e5b74d0293c3680c005ce3eed79b