Dec 04 17:13:42.111 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-expression against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:13:42.111 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17:13:42.260 INFO [stdout] 61d899ba305c1416a31eed402383360d49e78054908b7b1bc7f1abc53f197928
Dec 04 17:13:42.261 INFO running `"docker" "start" "-a" "61d899ba305c1416a31eed402383360d49e78054908b7b1bc7f1abc53f197928"`
Dec 04 17:13:42.610 INFO [stderr] usermod: no changes
Dec 04 17:13:42.642 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/source)
Dec 04 17:13:42.907 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 17:13:42.907 INFO [stderr]   --> src/main.rs:14:9
Dec 04 17:13:42.907 INFO [stderr]    |
Dec 04 17:13:42.907 INFO [stderr] 14 |         2 * x;
Dec 04 17:13:42.907 INFO [stderr]    |         ^^^^^
Dec 04 17:13:42.907 INFO [stderr]    |
Dec 04 17:13:42.907 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:13:42.907 INFO [stderr] 
Dec 04 17:13:42.951 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 04 17:13:42.951 INFO [stderr]   --> src/main.rs:14:9
Dec 04 17:13:42.951 INFO [stderr]    |
Dec 04 17:13:42.951 INFO [stderr] 14 |         2 * x;
Dec 04 17:13:42.951 INFO [stderr]    |         ^^^^^
Dec 04 17:13:42.951 INFO [stderr]    |
Dec 04 17:13:42.951 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 17:13:42.951 INFO [stderr] 
Dec 04 17:13:42.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Dec 04 17:13:42.966 INFO [stderr] su: No module specific data is present
Dec 04 17:13:43.252 INFO running `"docker" "inspect" "61d899ba305c1416a31eed402383360d49e78054908b7b1bc7f1abc53f197928"`
Dec 04 17:13:43.329 INFO running `"docker" "rm" "-f" "61d899ba305c1416a31eed402383360d49e78054908b7b1bc7f1abc53f197928"`
Dec 04 17:13:43.449 INFO [stdout] 61d899ba305c1416a31eed402383360d49e78054908b7b1bc7f1abc53f197928