[INFO] fetching crate slice-arena 1.0.0...
[INFO] building slice-arena-1.0.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate slice-arena 1.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate slice-arena 1.0.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice-arena 1.0.0
[INFO] finished tweaking crates.io crate slice-arena 1.0.0
[INFO] tweaked toml for crates.io crate slice-arena 1.0.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 823e78976113d83ca1dc88cde7c2b4e49c87246ea1266a0d9ce11ccf027fe330
[INFO] running `Command { std: "docker" "start" "-a" "823e78976113d83ca1dc88cde7c2b4e49c87246ea1266a0d9ce11ccf027fe330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "823e78976113d83ca1dc88cde7c2b4e49c87246ea1266a0d9ce11ccf027fe330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823e78976113d83ca1dc88cde7c2b4e49c87246ea1266a0d9ce11ccf027fe330", kill_on_drop: false }`
[INFO] [stdout] 823e78976113d83ca1dc88cde7c2b4e49c87246ea1266a0d9ce11ccf027fe330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8b824b3d50e46328e77cf960306643079ce62a35fa1a21fa242be83cd69623
[INFO] running `Command { std: "docker" "start" "-a" "eb8b824b3d50e46328e77cf960306643079ce62a35fa1a21fa242be83cd69623", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "eb8b824b3d50e46328e77cf960306643079ce62a35fa1a21fa242be83cd69623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8b824b3d50e46328e77cf960306643079ce62a35fa1a21fa242be83cd69623", kill_on_drop: false }`
[INFO] [stdout] eb8b824b3d50e46328e77cf960306643079ce62a35fa1a21fa242be83cd69623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4229a574e498004bc9fced2cb91d23dd4834f6488682c28e0f4df80824b4cd5
[INFO] running `Command { std: "docker" "start" "-a" "b4229a574e498004bc9fced2cb91d23dd4834f6488682c28e0f4df80824b4cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/slice_arena-58208186971aff3f)
[INFO] running `Command { std: "docker" "inspect" "b4229a574e498004bc9fced2cb91d23dd4834f6488682c28e0f4df80824b4cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4229a574e498004bc9fced2cb91d23dd4834f6488682c28e0f4df80824b4cd5", kill_on_drop: false }`
[INFO] [stdout] b4229a574e498004bc9fced2cb91d23dd4834f6488682c28e0f4df80824b4cd5