[INFO] updating cached repository EkardNT/external-sort
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EkardNT/external-sort
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EkardNT/external-sort" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/EkardNT/external-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/EkardNT/external-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EkardNT/external-sort" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/EkardNT/external-sort"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/EkardNT/external-sort'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3531ca6f4287a0fe197337e699ebcc1d89c1ef6f
[INFO] sha for GitHub repo EkardNT/external-sort: 3531ca6f4287a0fe197337e699ebcc1d89c1ef6f
[INFO] validating manifest of EkardNT/external-sort on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of EkardNT/external-sort on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing EkardNT/external-sort
[INFO] finished frobbing EkardNT/external-sort
[INFO] frobbed toml for EkardNT/external-sort written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/EkardNT/external-sort/Cargo.toml
[INFO] started frobbing EkardNT/external-sort
[INFO] finished frobbing EkardNT/external-sort
[INFO] frobbed toml for EkardNT/external-sort written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/EkardNT/external-sort/Cargo.toml
[INFO] crate EkardNT/external-sort already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking EkardNT/external-sort against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-2/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/EkardNT/external-sort:/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 39c898e17c9b427f3a6dc824dbbd2777c8ac42fe2b324e9c381d14430047544c
[INFO] running `"docker" "start" "-a" "39c898e17c9b427f3a6dc824dbbd2777c8ac42fe2b324e9c381d14430047544c"`
[INFO] [stderr]     Checking fine_grained v0.1.2
[INFO] [stderr]     Checking external-sort v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/validate.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut stdin = ::std::io::stdin();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/validate.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut stdin = ::std::io::stdin();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/generate.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut stdout = ::std::io::stdout();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/generate.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut stdout = ::std::io::stdout();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `entries`
[INFO] [stderr]    --> src/bin/sort.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     entries: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bytes`
[INFO] [stderr]    --> src/bin/sort.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     bytes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line_max_length`
[INFO] [stderr]    --> src/bin/sort.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     line_max_length: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line_min_length`
[INFO] [stderr]    --> src/bin/sort.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     line_min_length: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `chunk_index`
[INFO] [stderr]    --> src/bin/sort.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     chunk_index: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `entries`
[INFO] [stderr]    --> src/bin/sort.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     entries: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `bytes`
[INFO] [stderr]    --> src/bin/sort.rs:270:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     bytes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line_max_length`
[INFO] [stderr]    --> src/bin/sort.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     line_max_length: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line_min_length`
[INFO] [stderr]    --> src/bin/sort.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     line_min_length: usize
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `chunk_index`
[INFO] [stderr]    --> src/bin/sort.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     chunk_index: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `"docker" "inspect" "39c898e17c9b427f3a6dc824dbbd2777c8ac42fe2b324e9c381d14430047544c"`
[INFO] running `"docker" "rm" "-f" "39c898e17c9b427f3a6dc824dbbd2777c8ac42fe2b324e9c381d14430047544c"`
[INFO] [stdout] 39c898e17c9b427f3a6dc824dbbd2777c8ac42fe2b324e9c381d14430047544c