[INFO] fetching crate owner-monad 0.1.0...
[INFO] testing owner-monad-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate owner-monad 0.1.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate owner-monad 0.1.0 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 owner-monad 0.1.0
[INFO] finished tweaking crates.io crate owner-monad 0.1.0
[INFO] tweaked toml for crates.io crate owner-monad 0.1.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 4ce5fa262faac3e4e35f28476938aab1a9c3bf853088f36f4918f83a2b33a878
[INFO] running `Command { std: "docker" "start" "-a" "4ce5fa262faac3e4e35f28476938aab1a9c3bf853088f36f4918f83a2b33a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce5fa262faac3e4e35f28476938aab1a9c3bf853088f36f4918f83a2b33a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce5fa262faac3e4e35f28476938aab1a9c3bf853088f36f4918f83a2b33a878", kill_on_drop: false }`
[INFO] [stdout] 4ce5fa262faac3e4e35f28476938aab1a9c3bf853088f36f4918f83a2b33a878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e5fcd611518cbd69d5f3dc0ed095d22b6e07a905fd75bed6f885eafdb44b0737
[INFO] running `Command { std: "docker" "start" "-a" "e5fcd611518cbd69d5f3dc0ed095d22b6e07a905fd75bed6f885eafdb44b0737", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling owner-monad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "e5fcd611518cbd69d5f3dc0ed095d22b6e07a905fd75bed6f885eafdb44b0737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fcd611518cbd69d5f3dc0ed095d22b6e07a905fd75bed6f885eafdb44b0737", kill_on_drop: false }`
[INFO] [stdout] e5fcd611518cbd69d5f3dc0ed095d22b6e07a905fd75bed6f885eafdb44b0737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 78cc08d0647d9591bc9568090ccc098e5d9c6bdceb9cd9ed4b82aa1d68b46704
[INFO] running `Command { std: "docker" "start" "-a" "78cc08d0647d9591bc9568090ccc098e5d9c6bdceb9cd9ed4b82aa1d68b46704", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling owner-monad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "78cc08d0647d9591bc9568090ccc098e5d9c6bdceb9cd9ed4b82aa1d68b46704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cc08d0647d9591bc9568090ccc098e5d9c6bdceb9cd9ed4b82aa1d68b46704", kill_on_drop: false }`
[INFO] [stdout] 78cc08d0647d9591bc9568090ccc098e5d9c6bdceb9cd9ed4b82aa1d68b46704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 41ab0e574519967f2f8f6123c818869aae8e6b5350c4a25b6d64a2124b8f9ef8
[INFO] running `Command { std: "docker" "start" "-a" "41ab0e574519967f2f8f6123c818869aae8e6b5350c4a25b6d64a2124b8f9ef8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/owner_monad-c86aca8454156ae7)
[INFO] [stderr]    Doc-tests owner-monad
[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] [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" "41ab0e574519967f2f8f6123c818869aae8e6b5350c4a25b6d64a2124b8f9ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41ab0e574519967f2f8f6123c818869aae8e6b5350c4a25b6d64a2124b8f9ef8", kill_on_drop: false }`
[INFO] [stdout] 41ab0e574519967f2f8f6123c818869aae8e6b5350c4a25b6d64a2124b8f9ef8