Dec 04 10:58:29.407 INFO checking ryota-sakamoto/scala against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:58:29.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 10:58:29.863 INFO [stdout] 3065891681f49b7f2e94ce545d49536b4e90c8a50b7d0373765545cd8ea8f0db
Dec 04 10:58:29.869 INFO running `"docker" "start" "-a" "3065891681f49b7f2e94ce545d49536b4e90c8a50b7d0373765545cd8ea8f0db"`
Dec 04 10:58:31.447 INFO [stderr] usermod: no changes
Dec 04 10:58:31.527 INFO [stderr]     Checking scala v0.1.0 (/source)
Dec 04 10:58:32.535 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 10:58:32.535 INFO [stderr]  --> src/main.rs:1:1
Dec 04 10:58:32.535 INFO [stderr]   |
Dec 04 10:58:32.535 INFO [stderr] 1 | #[macro_use]
Dec 04 10:58:32.535 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 10:58:32.535 INFO [stderr]   |
Dec 04 10:58:32.535 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:58:32.535 INFO [stderr] 
Dec 04 10:58:32.687 INFO [stderr] warning: function is never used: `e1`
Dec 04 10:58:32.687 INFO [stderr]   --> src/main.rs:27:1
Dec 04 10:58:32.687 INFO [stderr]    |
Dec 04 10:58:32.687 INFO [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
Dec 04 10:58:32.687 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:58:32.687 INFO [stderr]    |
Dec 04 10:58:32.687 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:58:32.687 INFO [stderr] 
Dec 04 10:58:32.743 INFO [stderr] warning: unused `#[macro_use]` import
Dec 04 10:58:32.743 INFO [stderr]  --> src/main.rs:1:1
Dec 04 10:58:32.743 INFO [stderr]   |
Dec 04 10:58:32.743 INFO [stderr] 1 | #[macro_use]
Dec 04 10:58:32.743 INFO [stderr]   | ^^^^^^^^^^^^
Dec 04 10:58:32.743 INFO [stderr]   |
Dec 04 10:58:32.743 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:58:32.743 INFO [stderr] 
Dec 04 10:58:32.847 INFO [stderr] warning: function is never used: `e1`
Dec 04 10:58:32.847 INFO [stderr]   --> src/main.rs:27:1
Dec 04 10:58:32.847 INFO [stderr]    |
Dec 04 10:58:32.847 INFO [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
Dec 04 10:58:32.847 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 10:58:32.847 INFO [stderr]    |
Dec 04 10:58:32.847 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 10:58:32.847 INFO [stderr] 
Dec 04 10:58:33.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Dec 04 10:58:33.019 INFO [stderr] su: No module specific data is present
Dec 04 10:58:34.240 INFO running `"docker" "inspect" "3065891681f49b7f2e94ce545d49536b4e90c8a50b7d0373765545cd8ea8f0db"`
Dec 04 10:58:34.581 INFO running `"docker" "rm" "-f" "3065891681f49b7f2e94ce545d49536b4e90c8a50b7d0373765545cd8ea8f0db"`
Dec 04 10:58:34.926 INFO [stdout] 3065891681f49b7f2e94ce545d49536b4e90c8a50b7d0373765545cd8ea8f0db