[INFO] fetching crate dm 0.0.0...
[INFO] testing dm-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dm 0.0.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate dm 0.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dm 0.0.0
[INFO] finished tweaking crates.io crate dm 0.0.0
[INFO] tweaked toml for crates.io crate dm 0.0.0 written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate crates.io crate dm 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6cd900cb69e274d6140fe0923226f3812d1392c453a58a31247d3d1f3e42c49
[INFO] running `Command { std: "docker" "start" "-a" "c6cd900cb69e274d6140fe0923226f3812d1392c453a58a31247d3d1f3e42c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6cd900cb69e274d6140fe0923226f3812d1392c453a58a31247d3d1f3e42c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6cd900cb69e274d6140fe0923226f3812d1392c453a58a31247d3d1f3e42c49", kill_on_drop: false }`
[INFO] [stdout] c6cd900cb69e274d6140fe0923226f3812d1392c453a58a31247d3d1f3e42c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c58f027e829563cc52e83792e3c7c722dfdf1903acf6dafc150942be58de37
[INFO] running `Command { std: "docker" "start" "-a" "f3c58f027e829563cc52e83792e3c7c722dfdf1903acf6dafc150942be58de37", kill_on_drop: false }`
[INFO] [stderr]    Compiling dm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f3c58f027e829563cc52e83792e3c7c722dfdf1903acf6dafc150942be58de37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c58f027e829563cc52e83792e3c7c722dfdf1903acf6dafc150942be58de37", kill_on_drop: false }`
[INFO] [stdout] f3c58f027e829563cc52e83792e3c7c722dfdf1903acf6dafc150942be58de37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 281f6163c32c6c01ec85d3dc0d904f3502758056ab15a5c78e1310e36e7b66c5
[INFO] running `Command { std: "docker" "start" "-a" "281f6163c32c6c01ec85d3dc0d904f3502758056ab15a5c78e1310e36e7b66c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling dm v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "281f6163c32c6c01ec85d3dc0d904f3502758056ab15a5c78e1310e36e7b66c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281f6163c32c6c01ec85d3dc0d904f3502758056ab15a5c78e1310e36e7b66c5", kill_on_drop: false }`
[INFO] [stdout] 281f6163c32c6c01ec85d3dc0d904f3502758056ab15a5c78e1310e36e7b66c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ba95a635fb03a2256652c2f78a6ed309757d87093d35c35124c4f6c6cacedc3
[INFO] running `Command { std: "docker" "start" "-a" "2ba95a635fb03a2256652c2f78a6ed309757d87093d35c35124c4f6c6cacedc3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dm-4fbb6d9382c95bb4)
[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" "2ba95a635fb03a2256652c2f78a6ed309757d87093d35c35124c4f6c6cacedc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba95a635fb03a2256652c2f78a6ed309757d87093d35c35124c4f6c6cacedc3", kill_on_drop: false }`
[INFO] [stdout] 2ba95a635fb03a2256652c2f78a6ed309757d87093d35c35124c4f6c6cacedc3