Dec 05 00:02:56.560 INFO checking Sparkmasterflex/quad_videos against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:02:56.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 00:02:56.943 INFO [stdout] f01d5979912e7d59832770315290fcfd0cba973dd95db954023035c5a22d379d
Dec 05 00:02:56.949 INFO running `"docker" "start" "-a" "f01d5979912e7d59832770315290fcfd0cba973dd95db954023035c5a22d379d"`
Dec 05 00:02:57.847 INFO [stderr] usermod: no changes
Dec 05 00:02:57.971 INFO [stderr]     Checking memchr v1.0.1
Dec 05 00:02:57.971 INFO [stderr]     Checking termion v1.5.1
Dec 05 00:02:57.971 INFO [stderr]     Checking chrono v0.4.0
Dec 05 00:02:58.679 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 05 00:02:59.749 INFO [stderr]     Checking regex v0.2.2
Dec 05 00:03:02.195 INFO [stderr]     Checking quad_videos v0.1.0 (/source)
Dec 05 00:03:03.404 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:03:03.404 INFO [stderr]    --> src/main.rs:110:7
Dec 05 00:03:03.404 INFO [stderr]     |
Dec 05 00:03:03.405 INFO [stderr] 110 |       fs::rename(&display, &with_path);
Dec 05 00:03:03.405 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:03:03.405 INFO [stderr]     |
Dec 05 00:03:03.405 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:03:03.405 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:03:03.405 INFO [stderr] 
Dec 05 00:03:03.435 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:03:03.435 INFO [stderr]    --> src/main.rs:110:7
Dec 05 00:03:03.435 INFO [stderr]     |
Dec 05 00:03:03.435 INFO [stderr] 110 |       fs::rename(&display, &with_path);
Dec 05 00:03:03.435 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:03:03.435 INFO [stderr]     |
Dec 05 00:03:03.435 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:03:03.435 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:03:03.435 INFO [stderr] 
Dec 05 00:03:03.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
Dec 05 00:03:03.499 INFO [stderr] su: No module specific data is present
Dec 05 00:03:04.294 INFO running `"docker" "inspect" "f01d5979912e7d59832770315290fcfd0cba973dd95db954023035c5a22d379d"`
Dec 05 00:03:04.435 INFO running `"docker" "rm" "-f" "f01d5979912e7d59832770315290fcfd0cba973dd95db954023035c5a22d379d"`
Dec 05 00:03:04.667 INFO [stdout] f01d5979912e7d59832770315290fcfd0cba973dd95db954023035c5a22d379d