[INFO] fetching crate object-rainbow-derive 0.0.0-a.4...
[INFO] checking object-rainbow-derive-0.0.0-a.4 against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] extracting crate object-rainbow-derive 0.0.0-a.4 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate object-rainbow-derive 0.0.0-a.4 on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate object-rainbow-derive 0.0.0-a.4
[INFO] finished tweaking crates.io crate object-rainbow-derive 0.0.0-a.4
[INFO] tweaked toml for crates.io crate object-rainbow-derive 0.0.0-a.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate object-rainbow-derive 0.0.0-a.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d236c54a102baf6018b28c2702e44ddaf6b4f7b53d7025e74a6e6abb63dcd92
[INFO] running `Command { std: "docker" "start" "-a" "7d236c54a102baf6018b28c2702e44ddaf6b4f7b53d7025e74a6e6abb63dcd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d236c54a102baf6018b28c2702e44ddaf6b4f7b53d7025e74a6e6abb63dcd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d236c54a102baf6018b28c2702e44ddaf6b4f7b53d7025e74a6e6abb63dcd92", kill_on_drop: false }`
[INFO] [stdout] 7d236c54a102baf6018b28c2702e44ddaf6b4f7b53d7025e74a6e6abb63dcd92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97491fc24d66afaf180f04587ae4860b14a294a32fcd8fc9b41118848f92b2d
[INFO] running `Command { std: "docker" "start" "-a" "d97491fc24d66afaf180f04587ae4860b14a294a32fcd8fc9b41118848f92b2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.16
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stderr]     Checking object-rainbow-derive v0.0.0-a.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "d97491fc24d66afaf180f04587ae4860b14a294a32fcd8fc9b41118848f92b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97491fc24d66afaf180f04587ae4860b14a294a32fcd8fc9b41118848f92b2d", kill_on_drop: false }`
[INFO] [stdout] d97491fc24d66afaf180f04587ae4860b14a294a32fcd8fc9b41118848f92b2d