[INFO] fetching crate energy-monitor 0.2.1...
[INFO] testing energy-monitor-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate energy-monitor 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate energy-monitor 0.2.1 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 energy-monitor 0.2.1
[INFO] finished tweaking crates.io crate energy-monitor 0.2.1
[INFO] tweaked toml for crates.io crate energy-monitor 0.2.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 747f86d9d396ea36abe3c3af50a2a2cf3fcb2cf987785ee12bbe469afb69a1ad
[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" "747f86d9d396ea36abe3c3af50a2a2cf3fcb2cf987785ee12bbe469afb69a1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "747f86d9d396ea36abe3c3af50a2a2cf3fcb2cf987785ee12bbe469afb69a1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747f86d9d396ea36abe3c3af50a2a2cf3fcb2cf987785ee12bbe469afb69a1ad", kill_on_drop: false }`
[INFO] [stdout] 747f86d9d396ea36abe3c3af50a2a2cf3fcb2cf987785ee12bbe469afb69a1ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4540d49b8dd3112d3c9d6dcd6ac885082ad70a6439eaf0bfe595e3523b729ad4
[INFO] running `Command { std: "docker" "start" "-a" "4540d49b8dd3112d3c9d6dcd6ac885082ad70a6439eaf0bfe595e3523b729ad4", kill_on_drop: false }`
[INFO] [stderr]    Compiling energy-monitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "4540d49b8dd3112d3c9d6dcd6ac885082ad70a6439eaf0bfe595e3523b729ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4540d49b8dd3112d3c9d6dcd6ac885082ad70a6439eaf0bfe595e3523b729ad4", kill_on_drop: false }`
[INFO] [stdout] 4540d49b8dd3112d3c9d6dcd6ac885082ad70a6439eaf0bfe595e3523b729ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c8deaf401d3a26f70bbb07ae61428048465f6cf5616f6714d3c5166caa49a4cb
[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" "c8deaf401d3a26f70bbb07ae61428048465f6cf5616f6714d3c5166caa49a4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling energy-monitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "c8deaf401d3a26f70bbb07ae61428048465f6cf5616f6714d3c5166caa49a4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8deaf401d3a26f70bbb07ae61428048465f6cf5616f6714d3c5166caa49a4cb", kill_on_drop: false }`
[INFO] [stdout] c8deaf401d3a26f70bbb07ae61428048465f6cf5616f6714d3c5166caa49a4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7e3e3c4cb1315d7506cbc655c17603fd82acd62e21d78351952ee7b93be8bd8f
[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" "7e3e3c4cb1315d7506cbc655c17603fd82acd62e21d78351952ee7b93be8bd8f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/energy_monitor-ec092b23a9a1b1d0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test dummy::test::test ... 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] [stderr]    Doc-tests energy-monitor
[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" "7e3e3c4cb1315d7506cbc655c17603fd82acd62e21d78351952ee7b93be8bd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3e3c4cb1315d7506cbc655c17603fd82acd62e21d78351952ee7b93be8bd8f", kill_on_drop: false }`
[INFO] [stdout] 7e3e3c4cb1315d7506cbc655c17603fd82acd62e21d78351952ee7b93be8bd8f