Dec 12 17:19:04.013 INFO checking cache-macro-0.4.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:19:04.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:19:04.476 INFO [stdout] 35f353c18417903b15f2e21f05e61f6626b31b5784c7ad7af66e41c52277f467
Dec 12 17:19:04.482 INFO running `"docker" "start" "-a" "35f353c18417903b15f2e21f05e61f6626b31b5784c7ad7af66e41c52277f467"`
Dec 12 17:19:05.726 INFO [stderr] usermod: no changes
Dec 12 17:19:05.831 INFO [stderr]     Checking expiring_map v0.1.0
Dec 12 17:19:05.836 INFO [stderr]     Checking syn v0.15.22
Dec 12 17:19:05.836 INFO [stderr]    Compiling cache-macro v0.4.1 (/source)
Dec 12 17:19:07.512 INFO [stderr] warning: unused import: `proc_macro2`
Dec 12 17:19:07.513 INFO [stderr]  --> src/config.rs:4:5
Dec 12 17:19:07.513 INFO [stderr]   |
Dec 12 17:19:07.513 INFO [stderr] 4 | use proc_macro2;
Dec 12 17:19:07.513 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 17:19:07.514 INFO [stderr]   |
Dec 12 17:19:07.514 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:19:07.514 INFO [stderr] 
Dec 12 17:19:07.956 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 12 17:19:07.956 INFO [stderr]    --> src/lib.rs:170:12
Dec 12 17:19:07.956 INFO [stderr]     |
Dec 12 17:19:07.956 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 12 17:19:07.956 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:19:07.956 INFO [stderr]     |
Dec 12 17:19:07.956 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 17:19:07.956 INFO [stderr] 
Dec 12 17:19:22.212 INFO [stderr] warning: unused import: `proc_macro2`
Dec 12 17:19:22.212 INFO [stderr]  --> src/config.rs:4:5
Dec 12 17:19:22.212 INFO [stderr]   |
Dec 12 17:19:22.212 INFO [stderr] 4 | use proc_macro2;
Dec 12 17:19:22.212 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 17:19:22.212 INFO [stderr]   |
Dec 12 17:19:22.212 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:19:22.212 INFO [stderr] 
Dec 12 17:19:22.552 INFO [stderr] warning: unused import: `proc_macro2`
Dec 12 17:19:22.552 INFO [stderr]  --> src/config.rs:4:5
Dec 12 17:19:22.552 INFO [stderr]   |
Dec 12 17:19:22.552 INFO [stderr] 4 | use proc_macro2;
Dec 12 17:19:22.552 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 17:19:22.552 INFO [stderr]   |
Dec 12 17:19:22.552 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:19:22.552 INFO [stderr] 
Dec 12 17:19:22.592 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 12 17:19:22.592 INFO [stderr]    --> src/lib.rs:170:12
Dec 12 17:19:22.592 INFO [stderr]     |
Dec 12 17:19:22.592 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 12 17:19:22.592 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:19:22.592 INFO [stderr]     |
Dec 12 17:19:22.592 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 17:19:22.592 INFO [stderr] 
Dec 12 17:19:22.842 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 12 17:19:22.842 INFO [stderr]    --> src/lib.rs:170:12
Dec 12 17:19:22.842 INFO [stderr]     |
Dec 12 17:19:22.842 INFO [stderr] 170 | #![feature(extern_crate_item_prelude)]
Dec 12 17:19:22.842 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:19:22.842 INFO [stderr]     |
Dec 12 17:19:22.842 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 17:19:22.842 INFO [stderr] 
Dec 12 17:19:22.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.14s
Dec 12 17:19:22.900 INFO [stderr] su: No module specific data is present
Dec 12 17:19:23.404 INFO running `"docker" "inspect" "35f353c18417903b15f2e21f05e61f6626b31b5784c7ad7af66e41c52277f467"`
Dec 12 17:19:23.676 INFO running `"docker" "rm" "-f" "35f353c18417903b15f2e21f05e61f6626b31b5784c7ad7af66e41c52277f467"`
Dec 12 17:19:23.924 INFO [stdout] 35f353c18417903b15f2e21f05e61f6626b31b5784c7ad7af66e41c52277f467