Dec 12 11:47:54.808 INFO checking lru-cache-macros-0.3.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 11:47:54.808 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 11:47:54.968 INFO [stdout] 37cc283ad9181350648c653dbbc2143b93366761553aa0d6f6e367cb097ee1bf
Dec 12 11:47:54.970 INFO running `"docker" "start" "-a" "37cc283ad9181350648c653dbbc2143b93366761553aa0d6f6e367cb097ee1bf"`
Dec 12 11:47:55.364 INFO [stderr] usermod: no changes
Dec 12 11:47:55.424 INFO [stderr]    Compiling syn v0.15.22
Dec 12 11:48:03.522 INFO [stderr]     Checking lru-cache-macros v0.3.1 (/source)
Dec 12 11:48:05.549 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 11:48:05.549 INFO [stderr]    --> src/lib.rs:178:12
Dec 12 11:48:05.549 INFO [stderr]     |
Dec 12 11:48:05.549 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 12 11:48:05.549 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:48:05.549 INFO [stderr]     |
Dec 12 11:48:05.549 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 11:48:05.549 INFO [stderr] 
Dec 12 11:48:05.672 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 11:48:05.672 INFO [stderr]    --> src/lib.rs:178:12
Dec 12 11:48:05.672 INFO [stderr]     |
Dec 12 11:48:05.672 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 12 11:48:05.672 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:48:05.672 INFO [stderr]     |
Dec 12 11:48:05.672 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 11:48:05.672 INFO [stderr] 
Dec 12 11:48:14.880 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 12 11:48:14.880 INFO [stderr]    --> src/lib.rs:178:12
Dec 12 11:48:14.880 INFO [stderr]     |
Dec 12 11:48:14.880 INFO [stderr] 178 | #![feature(extern_crate_item_prelude)]
Dec 12 11:48:14.880 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 11:48:14.880 INFO [stderr]     |
Dec 12 11:48:14.880 INFO [stderr]     = note: #[warn(stable_features)] on by default
Dec 12 11:48:14.880 INFO [stderr] 
Dec 12 11:48:22.120 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.73s
Dec 12 11:48:22.128 INFO [stderr] su: No module specific data is present
Dec 12 11:48:22.852 INFO running `"docker" "inspect" "37cc283ad9181350648c653dbbc2143b93366761553aa0d6f6e367cb097ee1bf"`
Dec 12 11:48:23.122 INFO running `"docker" "rm" "-f" "37cc283ad9181350648c653dbbc2143b93366761553aa0d6f6e367cb097ee1bf"`
Dec 12 11:48:23.492 INFO [stdout] 37cc283ad9181350648c653dbbc2143b93366761553aa0d6f6e367cb097ee1bf