[INFO] updating cached repository DavidDeprost/submod_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DavidDeprost/submod_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DavidDeprost/submod_rs" "work/ex/clippy-test-run/sources/stable/gh/DavidDeprost/submod_rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/DavidDeprost/submod_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DavidDeprost/submod_rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DavidDeprost/submod_rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DavidDeprost/submod_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cd5c42c1bed457a46019afb68f152c45aa61bc09
[INFO] sha for GitHub repo DavidDeprost/submod_rs: cd5c42c1bed457a46019afb68f152c45aa61bc09
[INFO] validating manifest of DavidDeprost/submod_rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DavidDeprost/submod_rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DavidDeprost/submod_rs
[INFO] finished frobbing DavidDeprost/submod_rs
[INFO] frobbed toml for DavidDeprost/submod_rs written to work/ex/clippy-test-run/sources/stable/gh/DavidDeprost/submod_rs/Cargo.toml
[INFO] started frobbing DavidDeprost/submod_rs
[INFO] finished frobbing DavidDeprost/submod_rs
[INFO] frobbed toml for DavidDeprost/submod_rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DavidDeprost/submod_rs/Cargo.toml
[INFO] crate DavidDeprost/submod_rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting DavidDeprost/submod_rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/DavidDeprost/submod_rs:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d08acec8dea0827a93d4dabe523fa89080416adfcf231c079d4f811cc8cb05a3
[INFO] running `"docker" "start" "-a" "d08acec8dea0827a93d4dabe523fa89080416adfcf231c079d4f811cc8cb05a3"`
[INFO] [stderr]     Checking submod v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     return output;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     return deleted_subs;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `deleted_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     return deleted_subs;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `deleted_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     return line;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `line`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     return time_string;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `time_string`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     return output;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: remove `return` as shown: `output`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:217:5
[INFO] [stderr]     |
[INFO] [stderr] 217 |     return deleted_subs;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `deleted_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     return deleted_subs;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `deleted_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:293:5
[INFO] [stderr]     |
[INFO] [stderr] 293 |     return line;
[INFO] [stderr]     |     ^^^^^^^^^^^^ help: remove `return` as shown: `line`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 |     return time_string;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `time_string`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `incr` is never read
[INFO] [stderr]    --> src/main.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut incr: f64 = 0.0;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `output` is never read
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut output = String::new();
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 | /     let mut output = String::new();
[INFO] [stderr] 125 | |
[INFO] [stderr] 126 | |     if processed {
[INFO] [stderr] 127 | |         // Regex for extracting the increment number from the inputfile:
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |         output = "{{abc.xy}_Sec}_".to_string() + input;
[INFO] [stderr] 144 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> output = if processed { ..; "{{abc.xy}_Sec}_".to_string() + &input[index.end()..] } else { ..; "{{abc.xy}_Sec}_".to_string() + input };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 | /         out.write((new_line + "\n").as_bytes())
[INFO] [stderr] 214 | |             .expect("error writing to outputfile");
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /         out.write((new_line + "\n").as_bytes())
[INFO] [stderr] 268 | |             .expect("error writing to outputfile");
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `submod`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: value assigned to `incr` is never read
[INFO] [stderr]    --> src/main.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut incr: f64 = 0.0;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `output` is never read
[INFO] [stderr]    --> src/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |     let mut output = String::new();
[INFO] [stderr]     |             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/main.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 | /     let mut output = String::new();
[INFO] [stderr] 125 | |
[INFO] [stderr] 126 | |     if processed {
[INFO] [stderr] 127 | |         // Regex for extracting the increment number from the inputfile:
[INFO] [stderr] ...   |
[INFO] [stderr] 143 | |         output = "{{abc.xy}_Sec}_".to_string() + input;
[INFO] [stderr] 144 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> output = if processed { ..; "{{abc.xy}_Sec}_".to_string() + &input[index.end()..] } else { ..; "{{abc.xy}_Sec}_".to_string() + input };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:213:9
[INFO] [stderr]     |
[INFO] [stderr] 213 | /         out.write((new_line + "\n").as_bytes())
[INFO] [stderr] 214 | |             .expect("error writing to outputfile");
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/main.rs:267:9
[INFO] [stderr]     |
[INFO] [stderr] 267 | /         out.write((new_line + "\n").as_bytes())
[INFO] [stderr] 268 | |             .expect("error writing to outputfile");
[INFO] [stderr]     | |__________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `submod`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d08acec8dea0827a93d4dabe523fa89080416adfcf231c079d4f811cc8cb05a3"`
[INFO] running `"docker" "rm" "-f" "d08acec8dea0827a93d4dabe523fa89080416adfcf231c079d4f811cc8cb05a3"`
[INFO] [stdout] d08acec8dea0827a93d4dabe523fa89080416adfcf231c079d4f811cc8cb05a3