[INFO] fetching crate ckb-spawn 0.100.0-rc5...
[INFO] testing ckb-spawn-0.100.0-rc5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ckb-spawn 0.100.0-rc5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ckb-spawn 0.100.0-rc5 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 ckb-spawn 0.100.0-rc5
[INFO] finished tweaking crates.io crate ckb-spawn 0.100.0-rc5
[INFO] tweaked toml for crates.io crate ckb-spawn 0.100.0-rc5 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 80a46fdf51b8d00def89aff8f40a18f26dc9b3665b78dcb8d448f7c36d29ed11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "80a46fdf51b8d00def89aff8f40a18f26dc9b3665b78dcb8d448f7c36d29ed11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80a46fdf51b8d00def89aff8f40a18f26dc9b3665b78dcb8d448f7c36d29ed11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a46fdf51b8d00def89aff8f40a18f26dc9b3665b78dcb8d448f7c36d29ed11", kill_on_drop: false }`
[INFO] [stdout] 80a46fdf51b8d00def89aff8f40a18f26dc9b3665b78dcb8d448f7c36d29ed11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abed3188b194e5b41dbd11df5935e79abe079e04f545ca578aceae4f5aecf813
[INFO] running `Command { std: "docker" "start" "-a" "abed3188b194e5b41dbd11df5935e79abe079e04f545ca578aceae4f5aecf813", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-spawn v0.100.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "abed3188b194e5b41dbd11df5935e79abe079e04f545ca578aceae4f5aecf813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abed3188b194e5b41dbd11df5935e79abe079e04f545ca578aceae4f5aecf813", kill_on_drop: false }`
[INFO] [stdout] abed3188b194e5b41dbd11df5935e79abe079e04f545ca578aceae4f5aecf813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 91b655c8efe9ca6e97f1558642963fa8296625c3d78960151a86f44a6acfad6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91b655c8efe9ca6e97f1558642963fa8296625c3d78960151a86f44a6acfad6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-spawn v0.100.0-rc5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "91b655c8efe9ca6e97f1558642963fa8296625c3d78960151a86f44a6acfad6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b655c8efe9ca6e97f1558642963fa8296625c3d78960151a86f44a6acfad6c", kill_on_drop: false }`
[INFO] [stdout] 91b655c8efe9ca6e97f1558642963fa8296625c3d78960151a86f44a6acfad6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6ef7c407511b700dbc5db8d0b3c3fbf8bbff4750ebdb2516cfc098b709e4ca90
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6ef7c407511b700dbc5db8d0b3c3fbf8bbff4750ebdb2516cfc098b709e4ca90", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ckb_spawn-d3b46c9f289ca176)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckb-spawn
[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" "6ef7c407511b700dbc5db8d0b3c3fbf8bbff4750ebdb2516cfc098b709e4ca90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef7c407511b700dbc5db8d0b3c3fbf8bbff4750ebdb2516cfc098b709e4ca90", kill_on_drop: false }`
[INFO] [stdout] 6ef7c407511b700dbc5db8d0b3c3fbf8bbff4750ebdb2516cfc098b709e4ca90