Dec 18 17:58:58.364 INFO checking cache-macro-0.4.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:58:58.364 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/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:58:58.791 INFO [stdout] 6c724c0552c2e799938eccb27edd3aae1d979d2b88509efb41ad67d1f79b7c21
Dec 18 17:58:58.793 INFO running `"docker" "start" "-a" "6c724c0552c2e799938eccb27edd3aae1d979d2b88509efb41ad67d1f79b7c21"`
Dec 18 17:59:00.372 INFO [stderr]     Checking expiring_map v0.1.0
Dec 18 17:59:00.372 INFO [stderr]    Compiling syn v0.15.23
Dec 18 17:59:10.237 INFO [stderr]     Checking cache-macro v0.4.1 (/opt/crater/workdir)
Dec 18 17:59:10.563 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:10.563 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:10.564 INFO [stderr]   |
Dec 18 17:59:10.564 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:10.564 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:10.564 INFO [stderr]   |
Dec 18 17:59:10.564 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:10.564 INFO [stderr] 
Dec 18 17:59:10.612 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:10.612 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:10.612 INFO [stderr]   |
Dec 18 17:59:10.612 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:10.612 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:10.612 INFO [stderr]   |
Dec 18 17:59:10.612 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:10.612 INFO [stderr] 
Dec 18 17:59:10.765 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 17:59:10.765 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:10.765 INFO [stderr]     |
Dec 18 17:59:10.765 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:10.765 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:10.765 INFO [stderr]     |
Dec 18 17:59:10.765 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:10.765 INFO [stderr] 
Dec 18 17:59:10.880 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 17:59:10.880 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:10.880 INFO [stderr]     |
Dec 18 17:59:10.880 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:10.880 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:10.880 INFO [stderr]     |
Dec 18 17:59:10.880 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:10.880 INFO [stderr] 
Dec 18 17:59:16.553 INFO [stderr] warning: unused import: `proc_macro2`
Dec 18 17:59:16.553 INFO [stderr]  --> src/config.rs:4:5
Dec 18 17:59:16.553 INFO [stderr]   |
Dec 18 17:59:16.553 INFO [stderr] 4 | use proc_macro2;
Dec 18 17:59:16.553 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 17:59:16.553 INFO [stderr]   |
Dec 18 17:59:16.553 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:59:16.553 INFO [stderr] 
Dec 18 17:59:16.729 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 17:59:16.730 INFO [stderr]    --> src/lib.rs:170:12
Dec 18 17:59:16.730 INFO [stderr]     |
Dec 18 17:59:16.730 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 18 17:59:16.730 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:59:16.730 INFO [stderr]     |
Dec 18 17:59:16.730 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 18 17:59:16.730 INFO [stderr] 
Dec 18 17:59:19.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
Dec 18 17:59:19.552 INFO running `"docker" "inspect" "6c724c0552c2e799938eccb27edd3aae1d979d2b88509efb41ad67d1f79b7c21"`
Dec 18 17:59:19.648 INFO running `"docker" "rm" "-f" "6c724c0552c2e799938eccb27edd3aae1d979d2b88509efb41ad67d1f79b7c21"`
Dec 18 17:59:19.700 INFO [stdout] 6c724c0552c2e799938eccb27edd3aae1d979d2b88509efb41ad67d1f79b7c21