[INFO] fetching crate fmt-utils 0.1.0...
[INFO] building fmt-utils-0.1.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate fmt-utils 0.1.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate fmt-utils 0.1.0 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 fmt-utils 0.1.0
[INFO] finished tweaking crates.io crate fmt-utils 0.1.0
[INFO] tweaked toml for crates.io crate fmt-utils 0.1.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.0.7
[INFO] [stderr]   Downloaded fast_fmt v0.1.3
[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] 78e9ad8213ab2e7b78140039c536be0acaa28c6038ffd9efbfe3db34a6e477ee
[INFO] running `Command { std: "docker" "start" "-a" "78e9ad8213ab2e7b78140039c536be0acaa28c6038ffd9efbfe3db34a6e477ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78e9ad8213ab2e7b78140039c536be0acaa28c6038ffd9efbfe3db34a6e477ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e9ad8213ab2e7b78140039c536be0acaa28c6038ffd9efbfe3db34a6e477ee", kill_on_drop: false }`
[INFO] [stdout] 78e9ad8213ab2e7b78140039c536be0acaa28c6038ffd9efbfe3db34a6e477ee
[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] 15c09f8faeb0a8d99d9a045c39cc87c1b4e2b7df0e6f94746ffafedc7ded0c46
[INFO] running `Command { std: "docker" "start" "-a" "15c09f8faeb0a8d99d9a045c39cc87c1b4e2b7df0e6f94746ffafedc7ded0c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "15c09f8faeb0a8d99d9a045c39cc87c1b4e2b7df0e6f94746ffafedc7ded0c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c09f8faeb0a8d99d9a045c39cc87c1b4e2b7df0e6f94746ffafedc7ded0c46", kill_on_drop: false }`
[INFO] [stdout] 15c09f8faeb0a8d99d9a045c39cc87c1b4e2b7df0e6f94746ffafedc7ded0c46
[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] e62260e240343a486d7dc69212a42327136d174830927e8440aefc650bfb37fe
[INFO] running `Command { std: "docker" "start" "-a" "e62260e240343a486d7dc69212a42327136d174830927e8440aefc650bfb37fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt_utils-76cd264032be64ad)
[INFO] running `Command { std: "docker" "inspect" "e62260e240343a486d7dc69212a42327136d174830927e8440aefc650bfb37fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62260e240343a486d7dc69212a42327136d174830927e8440aefc650bfb37fe", kill_on_drop: false }`
[INFO] [stdout] e62260e240343a486d7dc69212a42327136d174830927e8440aefc650bfb37fe