Dec 18 11:11:22.726 INFO checking singletonum-0.2.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:11:22.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/singletonum/0.2.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:11:22.958 INFO [stdout] 690a57eca0c831e70bfb2e1da888113d7d0321f32566c5690b0f56e913494093
Dec 18 11:11:22.961 INFO running `"docker" "start" "-a" "690a57eca0c831e70bfb2e1da888113d7d0321f32566c5690b0f56e913494093"`
Dec 18 11:11:23.702 INFO [stderr]     Checking parking_lot v0.6.4
Dec 18 11:11:23.702 INFO [stderr]    Compiling singletonum-derive v0.2.0
Dec 18 11:11:24.300 INFO [stderr]     Checking once_cell v0.1.6
Dec 18 11:11:24.944 INFO [stderr]     Checking singletonum v0.2.0 (/opt/crater/workdir)
Dec 18 11:11:25.303 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:25.303 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 11:11:25.303 INFO [stderr]   |
Dec 18 11:11:25.303 INFO [stderr] 1 | #[macro_use]
Dec 18 11:11:25.303 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:25.303 INFO [stderr]   |
Dec 18 11:11:25.303 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:25.303 INFO [stderr] 
Dec 18 11:11:25.312 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 11:11:25.312 INFO [stderr]  --> src/lib.rs:1:1
Dec 18 11:11:25.312 INFO [stderr]   |
Dec 18 11:11:25.312 INFO [stderr] 1 | #[macro_use]
Dec 18 11:11:25.312 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 11:11:25.312 INFO [stderr]   |
Dec 18 11:11:25.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:11:25.312 INFO [stderr] 
Dec 18 11:11:25.354 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
Dec 18 11:11:25.682 INFO running `"docker" "inspect" "690a57eca0c831e70bfb2e1da888113d7d0321f32566c5690b0f56e913494093"`
Dec 18 11:11:25.986 INFO running `"docker" "rm" "-f" "690a57eca0c831e70bfb2e1da888113d7d0321f32566c5690b0f56e913494093"`
Dec 18 11:11:26.242 INFO [stdout] 690a57eca0c831e70bfb2e1da888113d7d0321f32566c5690b0f56e913494093