Dec 17 16:40:43.981 INFO checking rrichardson/topiclab against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:40:43.981 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rrichardson/topiclab:/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 17 16:40:44.452 INFO [stdout] 6096fb6b82ce769b2849123228bc797a5c551d21547b8104164d7cf2a50484fb
Dec 17 16:40:44.460 INFO running `"docker" "start" "-a" "6096fb6b82ce769b2849123228bc797a5c551d21547b8104164d7cf2a50484fb"`
Dec 17 16:40:46.276 INFO [stderr]     Checking memchr v1.0.1
Dec 17 16:40:46.664 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 17 16:40:47.400 INFO [stderr]     Checking regex v0.2.2
Dec 17 16:40:49.467 INFO [stderr]     Checking topiclab v0.1.0 (/opt/crater/workdir)
Dec 17 16:40:49.754 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 17 16:40:49.755 INFO [stderr]  --> src/main.rs:9:5
Dec 17 16:40:49.755 INFO [stderr]   |
Dec 17 16:40:49.755 INFO [stderr] 9 | use std::collections::HashSet;
Dec 17 16:40:49.755 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:40:49.755 INFO [stderr]   |
Dec 17 16:40:49.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:40:49.755 INFO [stderr] 
Dec 17 16:40:49.772 INFO [stderr] warning: unused import: `std::collections::HashSet`
Dec 17 16:40:49.772 INFO [stderr]  --> src/main.rs:9:5
Dec 17 16:40:49.772 INFO [stderr]   |
Dec 17 16:40:49.773 INFO [stderr] 9 | use std::collections::HashSet;
Dec 17 16:40:49.773 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:40:49.773 INFO [stderr]   |
Dec 17 16:40:49.773 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 16:40:49.774 INFO [stderr] 
Dec 17 16:40:49.905 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
Dec 17 16:40:51.200 INFO running `"docker" "inspect" "6096fb6b82ce769b2849123228bc797a5c551d21547b8104164d7cf2a50484fb"`
Dec 17 16:40:51.451 INFO running `"docker" "rm" "-f" "6096fb6b82ce769b2849123228bc797a5c551d21547b8104164d7cf2a50484fb"`
Dec 17 16:40:51.688 INFO [stdout] 6096fb6b82ce769b2849123228bc797a5c551d21547b8104164d7cf2a50484fb