Dec 04 18:24:00.880 INFO checking furuhama/epoll against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:24:00.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 18:24:01.231 INFO [stdout] 20a2cb74fab99a563a8158a97147fa1b503a03a822cb9f7fb0b28d73fcbcf2ac
Dec 04 18:24:01.239 INFO running `"docker" "start" "-a" "20a2cb74fab99a563a8158a97147fa1b503a03a822cb9f7fb0b28d73fcbcf2ac"`
Dec 04 18:24:02.445 INFO [stderr] usermod: no changes
Dec 04 18:24:02.497 INFO [stderr]     Checking epoll v0.1.0 (/source)
Dec 04 18:24:03.959 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:24:03.959 INFO [stderr]  --> src/main.rs:4:5
Dec 04 18:24:03.959 INFO [stderr]   |
Dec 04 18:24:03.959 INFO [stderr] 4 |     epoll::epoll();
Dec 04 18:24:03.959 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 18:24:03.959 INFO [stderr]   |
Dec 04 18:24:03.959 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 18:24:03.959 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:24:03.959 INFO [stderr] 
Dec 04 18:24:04.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:24:04.101 INFO [stderr]  --> src/main.rs:4:5
Dec 04 18:24:04.101 INFO [stderr]   |
Dec 04 18:24:04.101 INFO [stderr] 4 |     epoll::epoll();
Dec 04 18:24:04.101 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 18:24:04.101 INFO [stderr]   |
Dec 04 18:24:04.101 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 04 18:24:04.101 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:24:04.101 INFO [stderr] 
Dec 04 18:24:04.109 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 04 18:24:04.113 INFO [stderr] su: No module specific data is present
Dec 04 18:24:04.485 INFO running `"docker" "inspect" "20a2cb74fab99a563a8158a97147fa1b503a03a822cb9f7fb0b28d73fcbcf2ac"`
Dec 04 18:24:04.619 INFO running `"docker" "rm" "-f" "20a2cb74fab99a563a8158a97147fa1b503a03a822cb9f7fb0b28d73fcbcf2ac"`
Dec 04 18:24:04.803 INFO [stdout] 20a2cb74fab99a563a8158a97147fa1b503a03a822cb9f7fb0b28d73fcbcf2ac