Dec 18 11:44:29.205 INFO checking rustc-rayon-core-0.1.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:44:29.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rustc-rayon-core/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:44:29.405 INFO [stdout] 26d96cc95f4fdc89b2da3f4fce5cdc9a782ae4a43edfab4eff50045cf5cc253d
Dec 18 11:44:29.405 INFO running `"docker" "start" "-a" "26d96cc95f4fdc89b2da3f4fce5cdc9a782ae4a43edfab4eff50045cf5cc253d"`
Dec 18 11:44:30.408 INFO [stderr]    Compiling rustc-rayon-core v0.1.1 (/opt/crater/workdir)
Dec 18 11:44:32.084 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 11:44:32.084 INFO [stderr]   --> src/lib.rs:23:27
Dec 18 11:44:32.084 INFO [stderr]    |
Dec 18 11:44:32.084 INFO [stderr] 23 | #![cfg_attr(test, feature(conservative_impl_trait))]
Dec 18 11:44:32.084 INFO [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 11:44:32.084 INFO [stderr]    |
Dec 18 11:44:32.084 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 11:44:32.084 INFO [stderr] 
Dec 18 11:44:32.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
Dec 18 11:44:32.938 INFO running `"docker" "inspect" "26d96cc95f4fdc89b2da3f4fce5cdc9a782ae4a43edfab4eff50045cf5cc253d"`
Dec 18 11:44:33.084 INFO running `"docker" "rm" "-f" "26d96cc95f4fdc89b2da3f4fce5cdc9a782ae4a43edfab4eff50045cf5cc253d"`
Dec 18 11:44:33.305 INFO [stdout] 26d96cc95f4fdc89b2da3f4fce5cdc9a782ae4a43edfab4eff50045cf5cc253d