[INFO] fetching crate treediff 4.0.0...
[INFO] testing treediff-4.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate treediff 4.0.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate treediff 4.0.0 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] started tweaking crates.io crate treediff 4.0.0
[INFO] finished tweaking crates.io crate treediff 4.0.0
[INFO] tweaked toml for crates.io crate treediff 4.0.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] c1b75a98d32279614729c677382165c82f086f5a79e0baedc8b96a27090706ec
[INFO] running `Command { std: "docker" "start" "-a" "c1b75a98d32279614729c677382165c82f086f5a79e0baedc8b96a27090706ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b75a98d32279614729c677382165c82f086f5a79e0baedc8b96a27090706ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b75a98d32279614729c677382165c82f086f5a79e0baedc8b96a27090706ec", kill_on_drop: false }`
[INFO] [stdout] c1b75a98d32279614729c677382165c82f086f5a79e0baedc8b96a27090706ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 3548233df13cd8f836f7d05d2af3811c5a8b66389704e48d5497a4630895863c
[INFO] running `Command { std: "docker" "start" "-a" "3548233df13cd8f836f7d05d2af3811c5a8b66389704e48d5497a4630895863c", kill_on_drop: false }`
[INFO] [stderr]    Compiling treediff v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3548233df13cd8f836f7d05d2af3811c5a8b66389704e48d5497a4630895863c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3548233df13cd8f836f7d05d2af3811c5a8b66389704e48d5497a4630895863c", kill_on_drop: false }`
[INFO] [stdout] 3548233df13cd8f836f7d05d2af3811c5a8b66389704e48d5497a4630895863c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] f714c9f0f6cd99d757a215201f59d167c358acad1dd0bcbe69f665dd4a159918
[INFO] running `Command { std: "docker" "start" "-a" "f714c9f0f6cd99d757a215201f59d167c358acad1dd0bcbe69f665dd4a159918", kill_on_drop: false }`
[INFO] [stderr]    Compiling treediff v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "f714c9f0f6cd99d757a215201f59d167c358acad1dd0bcbe69f665dd4a159918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f714c9f0f6cd99d757a215201f59d167c358acad1dd0bcbe69f665dd4a159918", kill_on_drop: false }`
[INFO] [stdout] f714c9f0f6cd99d757a215201f59d167c358acad1dd0bcbe69f665dd4a159918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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] 7c13acc8d80cb28843405937e803d24670fecfb31bc3fbb8658c6c098594f3df
[INFO] running `Command { std: "docker" "start" "-a" "7c13acc8d80cb28843405937e803d24670fecfb31bc3fbb8658c6c098594f3df", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treediff-59358400852922bf)
[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] [stderr]    Doc-tests treediff
[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" "7c13acc8d80cb28843405937e803d24670fecfb31bc3fbb8658c6c098594f3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c13acc8d80cb28843405937e803d24670fecfb31bc3fbb8658c6c098594f3df", kill_on_drop: false }`
[INFO] [stdout] 7c13acc8d80cb28843405937e803d24670fecfb31bc3fbb8658c6c098594f3df