Dec 18 13:44:42.970 INFO checking nccl-0.4.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:44:42.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/nccl/0.4.3:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:44:43.178 INFO [stdout] 11afa24e234b1eb2aba6457b7d9cc08163ebeebd64e7d7ff47abbc7b140bbaea
Dec 18 13:44:43.180 INFO running `"docker" "start" "-a" "11afa24e234b1eb2aba6457b7d9cc08163ebeebd64e7d7ff47abbc7b140bbaea"`
Dec 18 13:44:43.776 INFO [stderr]     Checking nccl v0.4.3 (/opt/crater/workdir)
Dec 18 13:44:44.605 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 13:44:44.605 INFO [stderr]  --> tests/nccl.rs:2:1
Dec 18 13:44:44.605 INFO [stderr]   |
Dec 18 13:44:44.605 INFO [stderr] 2 | #[macro_use]
Dec 18 13:44:44.605 INFO [stderr]   | ^^^^^^^^^^^^
Dec 18 13:44:44.605 INFO [stderr]   |
Dec 18 13:44:44.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:44:44.605 INFO [stderr] 
Dec 18 13:44:44.734 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 18 13:44:45.041 INFO running `"docker" "inspect" "11afa24e234b1eb2aba6457b7d9cc08163ebeebd64e7d7ff47abbc7b140bbaea"`
Dec 18 13:44:45.194 INFO running `"docker" "rm" "-f" "11afa24e234b1eb2aba6457b7d9cc08163ebeebd64e7d7ff47abbc7b140bbaea"`
Dec 18 13:44:45.310 INFO [stdout] 11afa24e234b1eb2aba6457b7d9cc08163ebeebd64e7d7ff47abbc7b140bbaea