[INFO] fetching crate slash-formatter 3.1.2...
[INFO] building slash-formatter-3.1.2 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate slash-formatter 3.1.2 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate slash-formatter 3.1.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slash-formatter 3.1.2
[INFO] finished tweaking crates.io crate slash-formatter 3.1.2
[INFO] tweaked toml for crates.io crate slash-formatter 3.1.2 written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6140aa782045f0b3b80a2cdd916ba1e6f059cc3ccebb4d777cf930d24da383cf
[INFO] running `Command { std: "docker" "start" "-a" "6140aa782045f0b3b80a2cdd916ba1e6f059cc3ccebb4d777cf930d24da383cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6140aa782045f0b3b80a2cdd916ba1e6f059cc3ccebb4d777cf930d24da383cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6140aa782045f0b3b80a2cdd916ba1e6f059cc3ccebb4d777cf930d24da383cf", kill_on_drop: false }`
[INFO] [stdout] 6140aa782045f0b3b80a2cdd916ba1e6f059cc3ccebb4d777cf930d24da383cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0644fc3bf2be6c37ac67a17beec915e21dba57e6b5d6e0c85a1b99a29e19f8eb
[INFO] running `Command { std: "docker" "start" "-a" "0644fc3bf2be6c37ac67a17beec915e21dba57e6b5d6e0c85a1b99a29e19f8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling slash-formatter v3.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling concat-with v0.2.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "0644fc3bf2be6c37ac67a17beec915e21dba57e6b5d6e0c85a1b99a29e19f8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0644fc3bf2be6c37ac67a17beec915e21dba57e6b5d6e0c85a1b99a29e19f8eb", kill_on_drop: false }`
[INFO] [stdout] 0644fc3bf2be6c37ac67a17beec915e21dba57e6b5d6e0c85a1b99a29e19f8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca0973de4e7190d9d042c4c1cfbd5bc3318bef1a908cccff1bbc3e0eaabefdd
[INFO] running `Command { std: "docker" "start" "-a" "dca0973de4e7190d9d042c4c1cfbd5bc3318bef1a908cccff1bbc3e0eaabefdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling slash-formatter v3.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "dca0973de4e7190d9d042c4c1cfbd5bc3318bef1a908cccff1bbc3e0eaabefdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca0973de4e7190d9d042c4c1cfbd5bc3318bef1a908cccff1bbc3e0eaabefdd", kill_on_drop: false }`
[INFO] [stdout] dca0973de4e7190d9d042c4c1cfbd5bc3318bef1a908cccff1bbc3e0eaabefdd