Dec 04 18:20:59.488 INFO checking garretttaco/rename against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 18:20:59.488 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 18:20:59.877 INFO [stdout] 5ce519cee1bbab9a50b069ef1d198a7ff92292159b2c977a121bd8f9198e77ac
Dec 04 18:20:59.885 INFO running `"docker" "start" "-a" "5ce519cee1bbab9a50b069ef1d198a7ff92292159b2c977a121bd8f9198e77ac"`
Dec 04 18:21:01.037 INFO [stderr] usermod: no changes
Dec 04 18:21:01.123 INFO [stderr]     Checking clap v2.29.0
Dec 04 18:21:09.272 INFO [stderr]     Checking rename v0.1.0 (/source)
Dec 04 18:21:10.203 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:21:10.203 INFO [stderr]   --> src/main.rs:20:9
Dec 04 18:21:10.203 INFO [stderr]    |
Dec 04 18:21:10.203 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 04 18:21:10.203 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:10.203 INFO [stderr]    |
Dec 04 18:21:10.203 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:21:10.203 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:21:10.203 INFO [stderr] 
Dec 04 18:21:10.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 18:21:10.395 INFO [stderr]   --> src/main.rs:20:9
Dec 04 18:21:10.395 INFO [stderr]    |
Dec 04 18:21:10.395 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 04 18:21:10.395 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 18:21:10.395 INFO [stderr]    |
Dec 04 18:21:10.395 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 18:21:10.395 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 18:21:10.395 INFO [stderr] 
Dec 04 18:21:10.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.36s
Dec 04 18:21:10.415 INFO [stderr] su: No module specific data is present
Dec 04 18:21:11.168 INFO running `"docker" "inspect" "5ce519cee1bbab9a50b069ef1d198a7ff92292159b2c977a121bd8f9198e77ac"`
Dec 04 18:21:11.459 INFO running `"docker" "rm" "-f" "5ce519cee1bbab9a50b069ef1d198a7ff92292159b2c977a121bd8f9198e77ac"`
Dec 04 18:21:11.690 INFO [stdout] 5ce519cee1bbab9a50b069ef1d198a7ff92292159b2c977a121bd8f9198e77ac