Dec 17 23:57:10.318 INFO checking garretttaco/rename against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:57:10.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/garretttaco/rename:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:57:10.738 INFO [stdout] ecfeda3562164cc6e022c31cb6335bbad3c1afb907592a94755f0abf9e5b3dff
Dec 17 23:57:10.740 INFO running `"docker" "start" "-a" "ecfeda3562164cc6e022c31cb6335bbad3c1afb907592a94755f0abf9e5b3dff"`
Dec 17 23:57:12.088 INFO [stderr]     Checking clap v2.29.0
Dec 17 23:57:20.514 INFO [stderr]     Checking rename v0.1.0 (/opt/crater/workdir)
Dec 17 23:57:20.840 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:57:20.840 INFO [stderr]   --> src/main.rs:20:9
Dec 17 23:57:20.840 INFO [stderr]    |
Dec 17 23:57:20.840 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 17 23:57:20.840 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:57:20.840 INFO [stderr]    |
Dec 17 23:57:20.840 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:57:20.840 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:57:20.840 INFO [stderr] 
Dec 17 23:57:20.950 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 23:57:20.950 INFO [stderr]   --> src/main.rs:20:9
Dec 17 23:57:20.951 INFO [stderr]    |
Dec 17 23:57:20.951 INFO [stderr] 20 |         fs::rename(&file_name, &updated_name);
Dec 17 23:57:20.951 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 23:57:20.951 INFO [stderr]    |
Dec 17 23:57:20.951 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 23:57:20.951 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 23:57:20.951 INFO [stderr] 
Dec 17 23:57:20.994 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
Dec 17 23:57:21.685 INFO running `"docker" "inspect" "ecfeda3562164cc6e022c31cb6335bbad3c1afb907592a94755f0abf9e5b3dff"`
Dec 17 23:57:22.010 INFO running `"docker" "rm" "-f" "ecfeda3562164cc6e022c31cb6335bbad3c1afb907592a94755f0abf9e5b3dff"`
Dec 17 23:57:22.167 INFO [stdout] ecfeda3562164cc6e022c31cb6335bbad3c1afb907592a94755f0abf9e5b3dff