[INFO] fetching crate gc-arena-derive 0.5.3...
[INFO] checking gc-arena-derive-0.5.3 against master#0f6e1ae67854c3c44726e8376144c16b465fe7c6 for pr-129392
[INFO] extracting crate gc-arena-derive 0.5.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gc-arena-derive 0.5.3 on toolchain 0f6e1ae67854c3c44726e8376144c16b465fe7c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dafc6e2d2884e9dd50a58c2f2e4c65f8ea5a96752d0981f7708707ce47c25c6c
[INFO] running `Command { std: "docker" "start" "-a" "dafc6e2d2884e9dd50a58c2f2e4c65f8ea5a96752d0981f7708707ce47c25c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dafc6e2d2884e9dd50a58c2f2e4c65f8ea5a96752d0981f7708707ce47c25c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafc6e2d2884e9dd50a58c2f2e4c65f8ea5a96752d0981f7708707ce47c25c6c", kill_on_drop: false }`
[INFO] [stdout] dafc6e2d2884e9dd50a58c2f2e4c65f8ea5a96752d0981f7708707ce47c25c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+0f6e1ae67854c3c44726e8376144c16b465fe7c6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2ba8b6d4cdc0ed8934baf4f2793ec0db622cf5d67a4868fdbd03399b39bd7af
[INFO] running `Command { std: "docker" "start" "-a" "e2ba8b6d4cdc0ed8934baf4f2793ec0db622cf5d67a4868fdbd03399b39bd7af", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v2.0.77
[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 2.60s
[INFO] running `Command { std: "docker" "inspect" "e2ba8b6d4cdc0ed8934baf4f2793ec0db622cf5d67a4868fdbd03399b39bd7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ba8b6d4cdc0ed8934baf4f2793ec0db622cf5d67a4868fdbd03399b39bd7af", kill_on_drop: false }`
[INFO] [stdout] e2ba8b6d4cdc0ed8934baf4f2793ec0db622cf5d67a4868fdbd03399b39bd7af