[INFO] fetching crate cargo-rclean 1.2.0...
[INFO] testing cargo-rclean-1.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cargo-rclean 1.2.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate cargo-rclean 1.2.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-108/source/.cargo/config.toml
[INFO] started tweaking crates.io crate cargo-rclean 1.2.0
[INFO] finished tweaking crates.io crate cargo-rclean 1.2.0
[INFO] tweaked toml for crates.io crate cargo-rclean 1.2.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate cargo-rclean 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02caee4904fff6d946e93f4ff21f6094e507d3d81887c7ece77f3526d060294b
[INFO] running `Command { std: "docker" "start" "-a" "02caee4904fff6d946e93f4ff21f6094e507d3d81887c7ece77f3526d060294b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02caee4904fff6d946e93f4ff21f6094e507d3d81887c7ece77f3526d060294b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02caee4904fff6d946e93f4ff21f6094e507d3d81887c7ece77f3526d060294b", kill_on_drop: false }`
[INFO] [stdout] 02caee4904fff6d946e93f4ff21f6094e507d3d81887c7ece77f3526d060294b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be03df8f168622e20c8a1748f67b9ba45068dd0b1bd3db4b873dba343d7b4f46
[INFO] running `Command { std: "docker" "start" "-a" "be03df8f168622e20c8a1748f67b9ba45068dd0b1bd3db4b873dba343d7b4f46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cargo-rclean v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.76s
[INFO] running `Command { std: "docker" "inspect" "be03df8f168622e20c8a1748f67b9ba45068dd0b1bd3db4b873dba343d7b4f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be03df8f168622e20c8a1748f67b9ba45068dd0b1bd3db4b873dba343d7b4f46", kill_on_drop: false }`
[INFO] [stdout] be03df8f168622e20c8a1748f67b9ba45068dd0b1bd3db4b873dba343d7b4f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fdfffe0337b1b9d4d87b6368b49379ef28d8f7a8f7f9817eb710b41b28a2a90
[INFO] running `Command { std: "docker" "start" "-a" "1fdfffe0337b1b9d4d87b6368b49379ef28d8f7a8f7f9817eb710b41b28a2a90", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-rclean v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1fdfffe0337b1b9d4d87b6368b49379ef28d8f7a8f7f9817eb710b41b28a2a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fdfffe0337b1b9d4d87b6368b49379ef28d8f7a8f7f9817eb710b41b28a2a90", kill_on_drop: false }`
[INFO] [stdout] 1fdfffe0337b1b9d4d87b6368b49379ef28d8f7a8f7f9817eb710b41b28a2a90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b175b4f0b15216027523d326287c923d3f7b87125bad4274700175bf9e2499e4
[INFO] running `Command { std: "docker" "start" "-a" "b175b4f0b15216027523d326287c923d3f7b87125bad4274700175bf9e2499e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_rclean-a84c0be180d53fbe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b175b4f0b15216027523d326287c923d3f7b87125bad4274700175bf9e2499e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b175b4f0b15216027523d326287c923d3f7b87125bad4274700175bf9e2499e4", kill_on_drop: false }`
[INFO] [stdout] b175b4f0b15216027523d326287c923d3f7b87125bad4274700175bf9e2499e4