[INFO] updating cached repository pouya-gh/brainf_k [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pouya-gh/brainf_k [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pouya-gh/brainf_k" "work/ex/clippy-test-run/sources/stable/gh/pouya-gh/brainf_k"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/pouya-gh/brainf_k'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pouya-gh/brainf_k" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pouya-gh/brainf_k"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pouya-gh/brainf_k'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 43f8f9b9f584d5b096c9d1dfc6e37f8c2d1d7837 [INFO] sha for GitHub repo pouya-gh/brainf_k: 43f8f9b9f584d5b096c9d1dfc6e37f8c2d1d7837 [INFO] validating manifest of pouya-gh/brainf_k 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 pouya-gh/brainf_k 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 pouya-gh/brainf_k [INFO] finished frobbing pouya-gh/brainf_k [INFO] frobbed toml for pouya-gh/brainf_k written to work/ex/clippy-test-run/sources/stable/gh/pouya-gh/brainf_k/Cargo.toml [INFO] started frobbing pouya-gh/brainf_k [INFO] finished frobbing pouya-gh/brainf_k [INFO] frobbed toml for pouya-gh/brainf_k written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/pouya-gh/brainf_k/Cargo.toml [INFO] crate pouya-gh/brainf_k 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 pouya-gh/brainf_k against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/pouya-gh/brainf_k:/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] 0496c20e847751eec8b87e99a0df0abc6b546423354b638bebee46807acc3249 [INFO] running `"docker" "start" "-a" "0496c20e847751eec8b87e99a0df0abc6b546423354b638bebee46807acc3249"` [INFO] [stderr] Checking brainfuck v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] warning: using `println!("")` [INFO] [stderr] --> src/main.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] --> src/main.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | println!(""); [INFO] [stderr] | ^^^^^^^^^^^^ help: replace it with: `println!()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::println_empty_string)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:25:32 [INFO] [stderr] | [INFO] [stderr] 25 | self.tape.push('\0' as u8); // increase tape size, because in B.F. tape is infinite! [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::char_lit_as_u8)] on by default [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:31:54 [INFO] [stderr] | [INFO] [stderr] 31 | let tmp = self.tape[self.tapepos] == ('\0' as u8); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:36:51 [INFO] [stderr] | [INFO] [stderr] 36 | return self.tape[self.tapepos] != ('\0' as u8); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead [INFO] [stderr] --> src/main.rs:47:25 [INFO] [stderr] | [INFO] [stderr] 47 | std::io::stdin().read(&mut buf).unwrap(); [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] warning: Err(_) will match all errors, maybe not a good idea [INFO] [stderr] --> src/main.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | Err(_) => panic!("Could not open the file."), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_wild_err_arm)] on by default [INFO] [stderr] = note: to remove this warning, match each error separately or use unreachable macro [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `brainfuck`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:25:32 [INFO] [stderr] | [INFO] [stderr] 25 | self.tape.push('\0' as u8); // increase tape size, because in B.F. tape is infinite! [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::char_lit_as_u8)] on by default [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:31:54 [INFO] [stderr] | [INFO] [stderr] 31 | let tmp = self.tape[self.tapepos] == ('\0' as u8); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them [INFO] [stderr] --> src/main.rs:36:51 [INFO] [stderr] | [INFO] [stderr] 36 | return self.tape[self.tapepos] != ('\0' as u8); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: Consider using a byte literal instead: [INFO] [stderr] b'\0' [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8 [INFO] [stderr] [INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead [INFO] [stderr] --> src/main.rs:47:25 [INFO] [stderr] | [INFO] [stderr] 47 | std::io::stdin().read(&mut buf).unwrap(); [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] warning: Err(_) will match all errors, maybe not a good idea [INFO] [stderr] --> src/main.rs:72:13 [INFO] [stderr] | [INFO] [stderr] 72 | Err(_) => panic!("Could not open the file."), [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::match_wild_err_arm)] on by default [INFO] [stderr] = note: to remove this warning, match each error separately or use unreachable macro [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `brainfuck`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "0496c20e847751eec8b87e99a0df0abc6b546423354b638bebee46807acc3249"` [INFO] running `"docker" "rm" "-f" "0496c20e847751eec8b87e99a0df0abc6b546423354b638bebee46807acc3249"` [INFO] [stdout] 0496c20e847751eec8b87e99a0df0abc6b546423354b638bebee46807acc3249