[INFO] updating cached repository sombrastudios/mover
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sombrastudios/mover
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sombrastudios/mover" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sombrastudios/mover"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sombrastudios/mover'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sombrastudios/mover" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sombrastudios/mover"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sombrastudios/mover'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 67a534fa857bbc99b80cf4099847f014cfd87ba6
[INFO] sha for GitHub repo sombrastudios/mover: 67a534fa857bbc99b80cf4099847f014cfd87ba6
[INFO] validating manifest of sombrastudios/mover on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sombrastudios/mover on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sombrastudios/mover
[INFO] finished frobbing sombrastudios/mover
[INFO] frobbed toml for sombrastudios/mover written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sombrastudios/mover/Cargo.toml
[INFO] started frobbing sombrastudios/mover
[INFO] finished frobbing sombrastudios/mover
[INFO] frobbed toml for sombrastudios/mover written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sombrastudios/mover/Cargo.toml
[INFO] crate sombrastudios/mover already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sombrastudios/mover against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sombrastudios/mover:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fb68d259615b6990aa9c19b0e8521245364561b070c2f5f9e030364f8eaebe8d
[INFO] running `"docker" "start" "-a" "fb68d259615b6990aa9c19b0e8521245364561b070c2f5f9e030364f8eaebe8d"`
[INFO] [stderr]     Checking mover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         std::fs::rename(
[INFO] [stderr] 27 | |             file.file_name(),
[INFO] [stderr] 28 | |             &format!(
[INFO] [stderr] 29 | |                 "{}/{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             ),
[INFO] [stderr] 33 | |         );
[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:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 | /         std::fs::rename(
[INFO] [stderr] 27 | |             file.file_name(),
[INFO] [stderr] 28 | |             &format!(
[INFO] [stderr] 29 | |                 "{}/{}",
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |             ),
[INFO] [stderr] 33 | |         );
[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 0.66s
[INFO] running `"docker" "inspect" "fb68d259615b6990aa9c19b0e8521245364561b070c2f5f9e030364f8eaebe8d"`
[INFO] running `"docker" "rm" "-f" "fb68d259615b6990aa9c19b0e8521245364561b070c2f5f9e030364f8eaebe8d"`
[INFO] [stdout] fb68d259615b6990aa9c19b0e8521245364561b070c2f5f9e030364f8eaebe8d