Dec 18 17:27:32.544 INFO checking collection-0.1.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:27:32.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/collection/0.1.1:/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 17:27:32.747 INFO [stdout] f071193d6e4eb2c51b077a971048bc4638146adf0e340cb31a1fbf74f0248a58
Dec 18 17:27:32.750 INFO running `"docker" "start" "-a" "f071193d6e4eb2c51b077a971048bc4638146adf0e340cb31a1fbf74f0248a58"`
Dec 18 17:27:33.260 INFO [stderr]     Checking trait-group v0.1.0
Dec 18 17:27:33.521 INFO [stderr]     Checking collection v0.1.1 (/opt/crater/workdir)
Dec 18 17:27:33.900 INFO [stderr] warning: unused macro definition
Dec 18 17:27:33.900 INFO [stderr]    --> src/collection/mod.rs:271:1
Dec 18 17:27:33.900 INFO [stderr]     |
Dec 18 17:27:33.900 INFO [stderr] 271 | / macro_rules! collection {
Dec 18 17:27:33.900 INFO [stderr] 272 | |     ($collection:ident<$t:ident>
Dec 18 17:27:33.900 INFO [stderr] 273 | |      {
Dec 18 17:27:33.900 INFO [stderr] 274 | |          $( $slot:ident: $submeta:ident<$subtype:ty>, )*
Dec 18 17:27:33.900 INFO [stderr] ...   |
Dec 18 17:27:33.900 INFO [stderr] 327 | |     )
Dec 18 17:27:33.900 INFO [stderr] 328 | | }
Dec 18 17:27:33.900 INFO [stderr]     | |_^
Dec 18 17:27:33.900 INFO [stderr]     |
Dec 18 17:27:33.900 INFO [stderr]     = note: #[warn(unused_macros)] on by default
Dec 18 17:27:33.900 INFO [stderr] 
Dec 18 17:27:35.155 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Dec 18 17:27:35.658 INFO running `"docker" "inspect" "f071193d6e4eb2c51b077a971048bc4638146adf0e340cb31a1fbf74f0248a58"`
Dec 18 17:27:35.790 INFO running `"docker" "rm" "-f" "f071193d6e4eb2c51b077a971048bc4638146adf0e340cb31a1fbf74f0248a58"`
Dec 18 17:27:35.908 INFO [stdout] f071193d6e4eb2c51b077a971048bc4638146adf0e340cb31a1fbf74f0248a58