[INFO] fetching crate cpu-monitor 0.1.1...
[INFO] checking cpu-monitor-0.1.1 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate cpu-monitor 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate cpu-monitor 0.1.1 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpu-monitor 0.1.1
[INFO] finished tweaking crates.io crate cpu-monitor 0.1.1
[INFO] tweaked toml for crates.io crate cpu-monitor 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 860c4f2917d1d629ea68371c4a8da6930aed4c85a522a1df22e1b824a5651b64
[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" "860c4f2917d1d629ea68371c4a8da6930aed4c85a522a1df22e1b824a5651b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860c4f2917d1d629ea68371c4a8da6930aed4c85a522a1df22e1b824a5651b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860c4f2917d1d629ea68371c4a8da6930aed4c85a522a1df22e1b824a5651b64", kill_on_drop: false }`
[INFO] [stdout] 860c4f2917d1d629ea68371c4a8da6930aed4c85a522a1df22e1b824a5651b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d040e32a2a8e1b898f5fbabbdb1b0d99a1e11df7088a2a98e6b3a0b4241e5953
[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" "d040e32a2a8e1b898f5fbabbdb1b0d99a1e11df7088a2a98e6b3a0b4241e5953", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking linux_proc v0.1.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking bytecount v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking cpu-monitor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.13s
[INFO] running `Command { std: "docker" "inspect" "d040e32a2a8e1b898f5fbabbdb1b0d99a1e11df7088a2a98e6b3a0b4241e5953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d040e32a2a8e1b898f5fbabbdb1b0d99a1e11df7088a2a98e6b3a0b4241e5953", kill_on_drop: false }`
[INFO] [stdout] d040e32a2a8e1b898f5fbabbdb1b0d99a1e11df7088a2a98e6b3a0b4241e5953