Dec 17 20:13:36.234 INFO checking manfredlotz/checkutf8 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:13:36.235 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/manfredlotz/checkutf8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:13:36.747 INFO [stdout] bf4a5224c56ef3a6593ed47a3b79f9016c426014af049d7504e184aa4f46c557
Dec 17 20:13:36.749 INFO running `"docker" "start" "-a" "bf4a5224c56ef3a6593ed47a3b79f9016c426014af049d7504e184aa4f46c557"`
Dec 17 20:13:40.237 INFO [stderr]    Compiling syn v0.13.4
Dec 17 20:13:47.056 INFO [stderr]    Compiling structopt-derive v0.2.8
Dec 17 20:13:49.211 INFO [stderr]     Checking structopt v0.2.8
Dec 17 20:13:49.484 INFO [stderr]     Checking checkutf8 v0.9.0 (/opt/crater/workdir)
Dec 17 20:13:49.864 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 20:13:49.864 INFO [stderr]  --> src/main.rs:1:1
Dec 17 20:13:49.864 INFO [stderr]   |
Dec 17 20:13:49.864 INFO [stderr] 1 | #[macro_use]
Dec 17 20:13:49.864 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 20:13:49.864 INFO [stderr]   |
Dec 17 20:13:49.864 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:13:49.864 INFO [stderr] 
Dec 17 20:13:49.874 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 20:13:49.874 INFO [stderr]  --> src/main.rs:1:1
Dec 17 20:13:49.874 INFO [stderr]   |
Dec 17 20:13:49.874 INFO [stderr] 1 | #[macro_use]
Dec 17 20:13:49.874 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 20:13:49.874 INFO [stderr]   |
Dec 17 20:13:49.874 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 20:13:49.874 INFO [stderr] 
Dec 17 20:13:49.970 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.81s
Dec 17 20:13:50.606 INFO running `"docker" "inspect" "bf4a5224c56ef3a6593ed47a3b79f9016c426014af049d7504e184aa4f46c557"`
Dec 17 20:13:50.744 INFO running `"docker" "rm" "-f" "bf4a5224c56ef3a6593ed47a3b79f9016c426014af049d7504e184aa4f46c557"`
Dec 17 20:13:50.920 INFO [stdout] bf4a5224c56ef3a6593ed47a3b79f9016c426014af049d7504e184aa4f46c557