[INFO] fetching crate submerge 0.1.0...
[INFO] testing submerge-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate submerge 0.1.0 into /workspace/builds/worker-100/source
[INFO] validating manifest of crates.io crate submerge 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 submerge 0.1.0
[INFO] finished tweaking crates.io crate submerge 0.1.0
[INFO] tweaked toml for crates.io crate submerge 0.1.0 written to /workspace/builds/worker-100/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 4a8b66e6518a3f316777e0de61cca640bc14c28732d8332dadb69e25984effde
[INFO] running `Command { std: "docker" "start" "-a" "4a8b66e6518a3f316777e0de61cca640bc14c28732d8332dadb69e25984effde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a8b66e6518a3f316777e0de61cca640bc14c28732d8332dadb69e25984effde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8b66e6518a3f316777e0de61cca640bc14c28732d8332dadb69e25984effde", kill_on_drop: false }`
[INFO] [stdout] 4a8b66e6518a3f316777e0de61cca640bc14c28732d8332dadb69e25984effde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 6031e6d0e91cf17038a6504ed009f3f3344dab7c8426bbf4c8c35072029f972e
[INFO] running `Command { std: "docker" "start" "-a" "6031e6d0e91cf17038a6504ed009f3f3344dab7c8426bbf4c8c35072029f972e", kill_on_drop: false }`
[INFO] [stderr]    Compiling submerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "6031e6d0e91cf17038a6504ed009f3f3344dab7c8426bbf4c8c35072029f972e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6031e6d0e91cf17038a6504ed009f3f3344dab7c8426bbf4c8c35072029f972e", kill_on_drop: false }`
[INFO] [stdout] 6031e6d0e91cf17038a6504ed009f3f3344dab7c8426bbf4c8c35072029f972e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] d97a8c1250c1d0099a817b925bb86fd5e706de97270b5b040b0e47c6b80c75de
[INFO] running `Command { std: "docker" "start" "-a" "d97a8c1250c1d0099a817b925bb86fd5e706de97270b5b040b0e47c6b80c75de", kill_on_drop: false }`
[INFO] [stderr]    Compiling submerge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "d97a8c1250c1d0099a817b925bb86fd5e706de97270b5b040b0e47c6b80c75de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97a8c1250c1d0099a817b925bb86fd5e706de97270b5b040b0e47c6b80c75de", kill_on_drop: false }`
[INFO] [stdout] d97a8c1250c1d0099a817b925bb86fd5e706de97270b5b040b0e47c6b80c75de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 3509e2088820e6d674ae4a06f6d468595730127947558102b0eec40af3534db5
[INFO] running `Command { std: "docker" "start" "-a" "3509e2088820e6d674ae4a06f6d468595730127947558102b0eec40af3534db5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/submerge-005932ee3843400c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests submerge
[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" "3509e2088820e6d674ae4a06f6d468595730127947558102b0eec40af3534db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3509e2088820e6d674ae4a06f6d468595730127947558102b0eec40af3534db5", kill_on_drop: false }`
[INFO] [stdout] 3509e2088820e6d674ae4a06f6d468595730127947558102b0eec40af3534db5