Dec 11 10:10:08.829 INFO checking sapphirecat/advent2017-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:10:08.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 11 10:10:09.186 INFO [stdout] 2685968cf88f706862a1353bdc06826bc6bdc784c4640a00181c16d8a4db7e2e
Dec 11 10:10:09.190 INFO running `"docker" "start" "-a" "2685968cf88f706862a1353bdc06826bc6bdc784c4640a00181c16d8a4db7e2e"`
Dec 11 10:10:09.625 INFO [stderr] usermod: no changes
Dec 11 10:10:09.694 INFO [stderr]     Checking memchr v2.0.1
Dec 11 10:10:09.933 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 11 10:10:10.480 INFO [stderr]     Checking regex v0.2.3
Dec 11 10:10:12.217 INFO [stderr]     Checking advent2017-rs v0.1.0 (/source)
Dec 11 10:10:12.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
Dec 11 10:10:12.728 INFO [stderr] su: No module specific data is present
Dec 11 10:10:12.978 INFO running `"docker" "inspect" "2685968cf88f706862a1353bdc06826bc6bdc784c4640a00181c16d8a4db7e2e"`
Dec 11 10:10:13.102 INFO running `"docker" "rm" "-f" "2685968cf88f706862a1353bdc06826bc6bdc784c4640a00181c16d8a4db7e2e"`
Dec 11 10:10:13.263 INFO [stdout] 2685968cf88f706862a1353bdc06826bc6bdc784c4640a00181c16d8a4db7e2e