Dec 19 13:12:37.151 INFO checking manfredlotz/checkutf8 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:12:37.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:12:37.679 INFO [stdout] 734c9b419b6ec3745205381c9138a60a185bc5a76d6cf8ae63bd5102d7c419c3
Dec 19 13:12:37.681 INFO running `"docker" "start" "-a" "734c9b419b6ec3745205381c9138a60a185bc5a76d6cf8ae63bd5102d7c419c3"`
Dec 19 13:12:40.194 INFO [stderr]    Compiling syn v0.13.4
Dec 19 13:12:46.804 INFO [stderr]    Compiling structopt-derive v0.2.8
Dec 19 13:12:49.881 INFO [stderr]     Checking structopt v0.2.8
Dec 19 13:12:50.224 INFO [stderr]     Checking checkutf8 v0.9.0 (/opt/crater/workdir)
Dec 19 13:12:50.648 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 13:12:50.648 INFO [stderr]  --> src/main.rs:1:1
Dec 19 13:12:50.648 INFO [stderr]   |
Dec 19 13:12:50.648 INFO [stderr] 1 | #[macro_use]
Dec 19 13:12:50.648 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 13:12:50.648 INFO [stderr]   |
Dec 19 13:12:50.648 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:12:50.648 INFO [stderr] 
Dec 19 13:12:50.784 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 13:12:50.784 INFO [stderr]  --> src/main.rs:1:1
Dec 19 13:12:50.784 INFO [stderr]   |
Dec 19 13:12:50.784 INFO [stderr] 1 | #[macro_use]
Dec 19 13:12:50.784 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 13:12:50.784 INFO [stderr]   |
Dec 19 13:12:50.784 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:12:50.784 INFO [stderr] 
Dec 19 13:12:51.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
Dec 19 13:12:51.744 INFO running `"docker" "inspect" "734c9b419b6ec3745205381c9138a60a185bc5a76d6cf8ae63bd5102d7c419c3"`
Dec 19 13:12:52.002 INFO running `"docker" "rm" "-f" "734c9b419b6ec3745205381c9138a60a185bc5a76d6cf8ae63bd5102d7c419c3"`
Dec 19 13:12:52.291 INFO [stdout] 734c9b419b6ec3745205381c9138a60a185bc5a76d6cf8ae63bd5102d7c419c3