Dec 18 11:54:22.453 INFO checking ruru-0.9.3 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:54:22.453 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ruru/0.9.3:/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 18 11:54:22.731 INFO [stdout] 721e45b7da83a1517f45f0e096e5210e525d25fffd1b67ba812b4788dcdab7f2
Dec 18 11:54:22.736 INFO running `"docker" "start" "-a" "721e45b7da83a1517f45f0e096e5210e525d25fffd1b67ba812b4788dcdab7f2"`
Dec 18 11:54:23.377 INFO [stderr]    Compiling ruby-sys v0.2.20
Dec 18 11:54:25.026 INFO [stderr]     Checking ruru v0.9.3 (/opt/crater/workdir)
Dec 18 11:54:25.420 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:54:25.420 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 11:54:25.420 INFO [stderr]   |
Dec 18 11:54:25.420 INFO [stderr] 1 | #[macro_use]
Dec 18 11:54:25.420 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:54:25.420 INFO [stderr]   |
Dec 18 11:54:25.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:54:25.420 INFO [stderr] 
Dec 18 11:54:25.461 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:54:25.461 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 11:54:25.461 INFO [stderr]   |
Dec 18 11:54:25.461 INFO [stderr] 1 | #[macro_use]
Dec 18 11:54:25.461 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:54:25.461 INFO [stderr]   |
Dec 18 11:54:25.461 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:54:25.461 INFO [stderr] 
Dec 18 11:54:26.103 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Dec 18 11:54:26.694 INFO running `"docker" "inspect" "721e45b7da83a1517f45f0e096e5210e525d25fffd1b67ba812b4788dcdab7f2"`
Dec 18 11:54:26.924 INFO running `"docker" "rm" "-f" "721e45b7da83a1517f45f0e096e5210e525d25fffd1b67ba812b4788dcdab7f2"`
Dec 18 11:54:27.078 INFO [stdout] 721e45b7da83a1517f45f0e096e5210e525d25fffd1b67ba812b4788dcdab7f2