Dec 18 17:58:57.612 INFO checking cache-macro-0.4.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:58:57.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/cache-macro/0.4.1:/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 17:58:58.024 INFO [stdout] 1c4c985c9967dc198bc8c696ed737e3523156134d2542c1b6ceaa4584cff1bf4
Dec 18 17:58:58.024 INFO running `"docker" "start" "-a" "1c4c985c9967dc198bc8c696ed737e3523156134d2542c1b6ceaa4584cff1bf4"`
Dec 18 17:58:59.724 INFO [stderr]     Checking expiring_map v0.1.0
Dec 18 17:58:59.756 INFO [stderr]    Compiling cache-macro v0.4.1 (/opt/crater/workdir)
Dec 18 17:59:00.320 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:00.320 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:00.320 INFO [stderr]   |
Dec 18 17:59:00.320 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:00.320 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:00.320 INFO [stderr]   |
Dec 18 17:59:00.320 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:00.320 INFO [stderr] 
Dec 18 17:59:00.492 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:00.492 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:00.492 INFO [stderr]   |
Dec 18 17:59:00.492 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:00.492 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:00.492 INFO [stderr]   |
Dec 18 17:59:00.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:00.492 INFO [stderr] 
Dec 18 17:59:00.617 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 17:59:00.617 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:00.624 INFO [stderr]     |
Dec 18 17:59:00.624 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:00.624 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:00.624 INFO [stderr]     |
Dec 18 17:59:00.624 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:00.624 INFO [stderr] 
Dec 18 17:59:00.760 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:00.760 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:00.760 INFO [stderr]   |
Dec 18 17:59:00.760 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:00.760 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:00.760 INFO [stderr]   |
Dec 18 17:59:00.760 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:00.760 INFO [stderr] 
Dec 18 17:59:00.940 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 17:59:00.940 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:00.940 INFO [stderr]     |
Dec 18 17:59:00.941 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:00.941 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:00.941 INFO [stderr]     |
Dec 18 17:59:00.944 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:00.944 INFO [stderr] 
Dec 18 17:59:00.979 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 17:59:00.979 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:00.979 INFO [stderr]     |
Dec 18 17:59:00.979 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:00.979 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:00.979 INFO [stderr]     |
Dec 18 17:59:00.979 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:00.979 INFO [stderr] 
Dec 18 17:59:07.262 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
Dec 18 17:59:08.264 INFO running `"docker" "inspect" "1c4c985c9967dc198bc8c696ed737e3523156134d2542c1b6ceaa4584cff1bf4"`
Dec 18 17:59:08.483 INFO running `"docker" "rm" "-f" "1c4c985c9967dc198bc8c696ed737e3523156134d2542c1b6ceaa4584cff1bf4"`
Dec 18 17:59:08.760 INFO [stdout] 1c4c985c9967dc198bc8c696ed737e3523156134d2542c1b6ceaa4584cff1bf4