[INFO] fetching crate power-warn 1.2.0...
[INFO] checking power-warn-1.2.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate power-warn 1.2.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate power-warn 1.2.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate power-warn 1.2.0
[INFO] finished tweaking crates.io crate power-warn 1.2.0
[INFO] tweaked toml for crates.io crate power-warn 1.2.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55399ae076ccb287547d103fd4eb70f21e8eb5829232ac3d88db267a1ea120cb
[INFO] running `Command { std: "docker" "start" "-a" "55399ae076ccb287547d103fd4eb70f21e8eb5829232ac3d88db267a1ea120cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55399ae076ccb287547d103fd4eb70f21e8eb5829232ac3d88db267a1ea120cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55399ae076ccb287547d103fd4eb70f21e8eb5829232ac3d88db267a1ea120cb", kill_on_drop: false }`
[INFO] [stdout] 55399ae076ccb287547d103fd4eb70f21e8eb5829232ac3d88db267a1ea120cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34cf14e8a73dafc54ba91bf410679ef411f3424f42028277c7d0964a7d2cc6d9
[INFO] running `Command { std: "docker" "start" "-a" "34cf14e8a73dafc54ba91bf410679ef411f3424f42028277c7d0964a7d2cc6d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking power-warn v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/main.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `power-warn` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34cf14e8a73dafc54ba91bf410679ef411f3424f42028277c7d0964a7d2cc6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cf14e8a73dafc54ba91bf410679ef411f3424f42028277c7d0964a7d2cc6d9", kill_on_drop: false }`
[INFO] [stdout] 34cf14e8a73dafc54ba91bf410679ef411f3424f42028277c7d0964a7d2cc6d9