[INFO] fetching crate mutex-watersheds 0.1.1...
[INFO] testing mutex-watersheds-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mutex-watersheds 0.1.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate mutex-watersheds 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutex-watersheds 0.1.1
[INFO] finished tweaking crates.io crate mutex-watersheds 0.1.1
[INFO] tweaked toml for crates.io crate mutex-watersheds 0.1.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded disjoint-sets v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2b199a3bd1cbbb8d3f5be287a4ae8d02e6a66c489c5b6b7fd0c389a9a13fbfb
[INFO] running `Command { std: "docker" "start" "-a" "f2b199a3bd1cbbb8d3f5be287a4ae8d02e6a66c489c5b6b7fd0c389a9a13fbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2b199a3bd1cbbb8d3f5be287a4ae8d02e6a66c489c5b6b7fd0c389a9a13fbfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b199a3bd1cbbb8d3f5be287a4ae8d02e6a66c489c5b6b7fd0c389a9a13fbfb", kill_on_drop: false }`
[INFO] [stdout] f2b199a3bd1cbbb8d3f5be287a4ae8d02e6a66c489c5b6b7fd0c389a9a13fbfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8068827f685a54d254217b8902e9aeba4f5b12e77bd1122991f3bb912256676
[INFO] running `Command { std: "docker" "start" "-a" "c8068827f685a54d254217b8902e9aeba4f5b12e77bd1122991f3bb912256676", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling disjoint-sets v0.4.2
[INFO] [stderr]    Compiling mutex-watersheds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `Command { std: "docker" "inspect" "c8068827f685a54d254217b8902e9aeba4f5b12e77bd1122991f3bb912256676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8068827f685a54d254217b8902e9aeba4f5b12e77bd1122991f3bb912256676", kill_on_drop: false }`
[INFO] [stdout] c8068827f685a54d254217b8902e9aeba4f5b12e77bd1122991f3bb912256676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b4223df3cfc7eecc97a2bb15b6c78a0b72add3616a8bf871d2e02c132aeedc2
[INFO] running `Command { std: "docker" "start" "-a" "7b4223df3cfc7eecc97a2bb15b6c78a0b72add3616a8bf871d2e02c132aeedc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling mutex-watersheds v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "7b4223df3cfc7eecc97a2bb15b6c78a0b72add3616a8bf871d2e02c132aeedc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4223df3cfc7eecc97a2bb15b6c78a0b72add3616a8bf871d2e02c132aeedc2", kill_on_drop: false }`
[INFO] [stdout] 7b4223df3cfc7eecc97a2bb15b6c78a0b72add3616a8bf871d2e02c132aeedc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0be206db706df66998e2496950b1a645496f4475aa1466eab945740c2fd83858
[INFO] running `Command { std: "docker" "start" "-a" "0be206db706df66998e2496950b1a645496f4475aa1466eab945740c2fd83858", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutex_watersheds-6f3986ae4c439f7d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::mutex_ws ... ok
[INFO] [stdout] test tests::mutex_ws_variable_edge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutex-watersheds
[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" "0be206db706df66998e2496950b1a645496f4475aa1466eab945740c2fd83858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be206db706df66998e2496950b1a645496f4475aa1466eab945740c2fd83858", kill_on_drop: false }`
[INFO] [stdout] 0be206db706df66998e2496950b1a645496f4475aa1466eab945740c2fd83858