[INFO] fetching crate rumbrella-rdk-core 0.1.0...
[INFO] testing rumbrella-rdk-core-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rumbrella-rdk-core 0.1.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate rumbrella-rdk-core 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 rumbrella-rdk-core 0.1.0
[INFO] finished tweaking crates.io crate rumbrella-rdk-core 0.1.0
[INFO] tweaked toml for crates.io crate rumbrella-rdk-core 0.1.0 written to /workspace/builds/worker-74/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 3e401108e157969242a6c689e60aaac74e780f907e4a8aecca66a0f224dcb92a
[INFO] running `Command { std: "docker" "start" "-a" "3e401108e157969242a6c689e60aaac74e780f907e4a8aecca66a0f224dcb92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e401108e157969242a6c689e60aaac74e780f907e4a8aecca66a0f224dcb92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e401108e157969242a6c689e60aaac74e780f907e4a8aecca66a0f224dcb92a", kill_on_drop: false }`
[INFO] [stdout] 3e401108e157969242a6c689e60aaac74e780f907e4a8aecca66a0f224dcb92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] c15a5e7092842f2d84768d1a01919c65311c70624917b8f1df1d6bdfbd2c6925
[INFO] running `Command { std: "docker" "start" "-a" "c15a5e7092842f2d84768d1a01919c65311c70624917b8f1df1d6bdfbd2c6925", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rumbrella-rdk-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "c15a5e7092842f2d84768d1a01919c65311c70624917b8f1df1d6bdfbd2c6925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15a5e7092842f2d84768d1a01919c65311c70624917b8f1df1d6bdfbd2c6925", kill_on_drop: false }`
[INFO] [stdout] c15a5e7092842f2d84768d1a01919c65311c70624917b8f1df1d6bdfbd2c6925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 08015837aca92d4c6f2be373109978834e61dcb6ab63699d311ea7757ec998b1
[INFO] running `Command { std: "docker" "start" "-a" "08015837aca92d4c6f2be373109978834e61dcb6ab63699d311ea7757ec998b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rumbrella-rdk-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "08015837aca92d4c6f2be373109978834e61dcb6ab63699d311ea7757ec998b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08015837aca92d4c6f2be373109978834e61dcb6ab63699d311ea7757ec998b1", kill_on_drop: false }`
[INFO] [stdout] 08015837aca92d4c6f2be373109978834e61dcb6ab63699d311ea7757ec998b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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] 3f0bdf90ec75dcc31f0ba0e29d41bd9e719e0259a38516bb6c4a846fe7391259
[INFO] running `Command { std: "docker" "start" "-a" "3f0bdf90ec75dcc31f0ba0e29d41bd9e719e0259a38516bb6c4a846fe7391259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rumbrella_rdk_core-8a62632bda7cb193)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rumbrella-rdk-core
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "3f0bdf90ec75dcc31f0ba0e29d41bd9e719e0259a38516bb6c4a846fe7391259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0bdf90ec75dcc31f0ba0e29d41bd9e719e0259a38516bb6c4a846fe7391259", kill_on_drop: false }`
[INFO] [stdout] 3f0bdf90ec75dcc31f0ba0e29d41bd9e719e0259a38516bb6c4a846fe7391259