[INFO] updating cached repository garretttaco/rename
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garretttaco/rename
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garretttaco/rename" "work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/garretttaco/rename"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/garretttaco/rename'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garretttaco/rename" "work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/garretttaco/rename"`
[INFO] [stderr] Cloning into 'work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/garretttaco/rename'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edc4917e2dade9af65b3fb96302aeac9a6f98c3c
[INFO] sha for GitHub repo garretttaco/rename: edc4917e2dade9af65b3fb96302aeac9a6f98c3c
[INFO] validating manifest of garretttaco/rename on toolchain master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of garretttaco/rename on toolchain try#097e26225c5cc28d3042ad4c80eac7c488f78ee7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing garretttaco/rename
[INFO] finished frobbing garretttaco/rename
[INFO] frobbed toml for garretttaco/rename written to work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/garretttaco/rename/Cargo.toml
[INFO] started frobbing garretttaco/rename
[INFO] finished frobbing garretttaco/rename
[INFO] frobbed toml for garretttaco/rename written to work/ex/pr-60932/sources/try#097e26225c5cc28d3042ad4c80eac7c488f78ee7/gh/garretttaco/rename/Cargo.toml
[INFO] crate garretttaco/rename already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+097e26225c5cc28d3042ad4c80eac7c488f78ee7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking garretttaco/rename against master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4 for pr-60932
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60932/worker-2/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60932/sources/master#548add7f61bfcbe3bea3f5ccefb53c84da8fefe4/gh/garretttaco/rename:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+548add7f61bfcbe3bea3f5ccefb53c84da8fefe4-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b735f5f39ee01c902632970451b1916d8c4092c9481ce8eb233c31c28984033
[INFO] running `"docker" "start" "-a" "1b735f5f39ee01c902632970451b1916d8c4092c9481ce8eb233c31c28984033"`
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking rename v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fs::rename(&file_name, &updated_name);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         fs::rename(&file_name, &updated_name);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `"docker" "inspect" "1b735f5f39ee01c902632970451b1916d8c4092c9481ce8eb233c31c28984033"`
[INFO] running `"docker" "rm" "-f" "1b735f5f39ee01c902632970451b1916d8c4092c9481ce8eb233c31c28984033"`
[INFO] [stdout] 1b735f5f39ee01c902632970451b1916d8c4092c9481ce8eb233c31c28984033