Dec 18 14:14:38.300 INFO checking lru-cache-macros-0.3.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:14:38.300 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/lru-cache-macros/0.3.1:/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 14:14:38.517 INFO [stdout] 1140a6901c61cc90868dc59b59c2d96c27a43eb49518695165ad0f818ceaa6bb
Dec 18 14:14:38.522 INFO running `"docker" "start" "-a" "1140a6901c61cc90868dc59b59c2d96c27a43eb49518695165ad0f818ceaa6bb"`
Dec 18 14:14:39.158 INFO [stderr]    Compiling syn v0.15.23
Dec 18 14:14:46.156 INFO [stderr]     Checking lru-cache-macros v0.3.1 (/opt/crater/workdir)
Dec 18 14:14:46.848 INFO [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 18 14:14:46.848 INFO [stderr]    --> src/lib.rs:178:12
Dec 18 14:14:46.848 INFO [stderr]     |
Dec 18 14:14:46.848 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 18 14:14:46.848 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:14:46.848 INFO [stderr]     |
Dec 18 14:14:46.848 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 14:14:46.848 INFO [stderr] 
Dec 18 14:14:46.876 INFO [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 18 14:14:46.876 INFO [stderr]    --> src/lib.rs:178:12
Dec 18 14:14:46.876 INFO [stderr]     |
Dec 18 14:14:46.876 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 18 14:14:46.876 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:14:46.876 INFO [stderr]     |
Dec 18 14:14:46.876 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 14:14:46.877 INFO [stderr] 
Dec 18 14:14:51.591 INFO [stderr] warning: the feature `extern_crate_item_prelude` has been stable since 1.31.0 and no longer requires an attribute to enable
Dec 18 14:14:51.591 INFO [stderr]    --> src/lib.rs:178:12
Dec 18 14:14:51.591 INFO [stderr]     |
Dec 18 14:14:51.591 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 18 14:14:51.591 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:14:51.591 INFO [stderr]     |
Dec 18 14:14:51.591 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 14:14:51.591 INFO [stderr] 
Dec 18 14:14:56.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.80s
Dec 18 14:14:57.819 INFO running `"docker" "inspect" "1140a6901c61cc90868dc59b59c2d96c27a43eb49518695165ad0f818ceaa6bb"`
Dec 18 14:14:58.174 INFO running `"docker" "rm" "-f" "1140a6901c61cc90868dc59b59c2d96c27a43eb49518695165ad0f818ceaa6bb"`
Dec 18 14:14:58.488 INFO [stdout] 1140a6901c61cc90868dc59b59c2d96c27a43eb49518695165ad0f818ceaa6bb