[INFO] fetching crate ckb-pow 0.40.0...
[INFO] testing ckb-pow-0.40.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate ckb-pow 0.40.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ckb-pow 0.40.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-pow 0.40.0
[INFO] finished tweaking crates.io crate ckb-pow 0.40.0
[INFO] tweaked toml for crates.io crate ckb-pow 0.40.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd48383ee189df1743af2a81965cae1fd28a159b83fbec0faf1359787842c7e1
[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" "cd48383ee189df1743af2a81965cae1fd28a159b83fbec0faf1359787842c7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd48383ee189df1743af2a81965cae1fd28a159b83fbec0faf1359787842c7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd48383ee189df1743af2a81965cae1fd28a159b83fbec0faf1359787842c7e1", kill_on_drop: false }`
[INFO] [stdout] cd48383ee189df1743af2a81965cae1fd28a159b83fbec0faf1359787842c7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f7cb864a5408c2e17595c803613bf5bc1928308230a6b7c3b0702bdc0f0c8d
[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" "04f7cb864a5408c2e17595c803613bf5bc1928308230a6b7c3b0702bdc0f0c8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling ckb-hash v0.40.0
[INFO] [stderr]    Compiling ckb-channel v0.40.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling ckb-occupied-capacity-core v0.40.0
[INFO] [stderr]    Compiling ckb-fixed-hash-core v0.40.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling ckb-occupied-capacity-macros v0.40.0
[INFO] [stderr]    Compiling ckb-fixed-hash-macros v0.40.0
[INFO] [stderr]    Compiling molecule v0.6.0
[INFO] [stderr]    Compiling ckb-occupied-capacity v0.40.0
[INFO] [stderr]    Compiling ckb-error v0.40.0
[INFO] [stderr]    Compiling ckb-fixed-hash v0.40.0
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.6
[INFO] [stderr]    Compiling ckb-rational v0.40.0
[INFO] [stderr]    Compiling ckb-types v0.40.0
[INFO] [stderr]    Compiling ckb-pow v0.40.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.20s
[INFO] running `Command { std: "docker" "inspect" "04f7cb864a5408c2e17595c803613bf5bc1928308230a6b7c3b0702bdc0f0c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f7cb864a5408c2e17595c803613bf5bc1928308230a6b7c3b0702bdc0f0c8d", kill_on_drop: false }`
[INFO] [stdout] 04f7cb864a5408c2e17595c803613bf5bc1928308230a6b7c3b0702bdc0f0c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8813f049d3408206b732020e0879e6e1ea616ec3f5319de17bd879ae3e9d13b8
[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" "8813f049d3408206b732020e0879e6e1ea616ec3f5319de17bd879ae3e9d13b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ckb-pow v0.40.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "8813f049d3408206b732020e0879e6e1ea616ec3f5319de17bd879ae3e9d13b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8813f049d3408206b732020e0879e6e1ea616ec3f5319de17bd879ae3e9d13b8", kill_on_drop: false }`
[INFO] [stdout] 8813f049d3408206b732020e0879e6e1ea616ec3f5319de17bd879ae3e9d13b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8007e902d6c201fc75874e0c170781150dc98878d7a9aea61636c58569256797
[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" "8007e902d6c201fc75874e0c170781150dc98878d7a9aea61636c58569256797", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ckb_pow-31607c2303a437e0)
[INFO] [stdout] test test::test_pow_message ... ok
[INFO] [stderr]    Doc-tests ckb-pow
[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" "8007e902d6c201fc75874e0c170781150dc98878d7a9aea61636c58569256797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8007e902d6c201fc75874e0c170781150dc98878d7a9aea61636c58569256797", kill_on_drop: false }`
[INFO] [stdout] 8007e902d6c201fc75874e0c170781150dc98878d7a9aea61636c58569256797