Dec 18 12:59:29.653 INFO checking pkg_impl-2.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:59:29.653 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/pkg_impl/2.0.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:59:30.120 INFO [stdout] 569357fb69c0e4c6676de4fd78bef74b71884a0e5bcd6d6a7db345c908afe517
Dec 18 12:59:30.128 INFO running `"docker" "start" "-a" "569357fb69c0e4c6676de4fd78bef74b71884a0e5bcd6d6a7db345c908afe517"`
Dec 18 12:59:31.805 INFO [stderr]     Checking pkg_impl v2.0.0 (/opt/crater/workdir)
Dec 18 12:59:32.109 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 12:59:32.110 INFO [stderr]  --> src/lib.rs:3:12
Dec 18 12:59:32.110 INFO [stderr]   |
Dec 18 12:59:32.110 INFO [stderr] 3 | #![feature(proc_macro)]
Dec 18 12:59:32.110 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 12:59:32.110 INFO [stderr]   |
Dec 18 12:59:32.110 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 12:59:32.110 INFO [stderr] 
Dec 18 12:59:32.187 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 18 12:59:32.187 INFO [stderr]  --> src/lib.rs:3:12
Dec 18 12:59:32.187 INFO [stderr]   |
Dec 18 12:59:32.187 INFO [stderr] 3 | #![feature(proc_macro)]
Dec 18 12:59:32.188 INFO [stderr]   |            ^^^^^^^^^^
Dec 18 12:59:32.188 INFO [stderr]   |
Dec 18 12:59:32.188 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 12:59:32.188 INFO [stderr] 
Dec 18 12:59:32.213 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 18 12:59:32.572 INFO running `"docker" "inspect" "569357fb69c0e4c6676de4fd78bef74b71884a0e5bcd6d6a7db345c908afe517"`
Dec 18 12:59:32.882 INFO running `"docker" "rm" "-f" "569357fb69c0e4c6676de4fd78bef74b71884a0e5bcd6d6a7db345c908afe517"`
Dec 18 12:59:33.080 INFO [stdout] 569357fb69c0e4c6676de4fd78bef74b71884a0e5bcd6d6a7db345c908afe517