[INFO] crate json_logger 0.0.2 is already in cache
[INFO] extracting crate json_logger 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/json_logger/0.0.2
[INFO] extracting crate json_logger 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/json_logger/0.0.2
[INFO] validating manifest of json_logger-0.0.2 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 json_logger-0.0.2 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 json_logger-0.0.2
[INFO] finished frobbing json_logger-0.0.2
[INFO] frobbed toml for json_logger-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/json_logger/0.0.2/Cargo.toml
[INFO] started frobbing json_logger-0.0.2
[INFO] finished frobbing json_logger-0.0.2
[INFO] frobbed toml for json_logger-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/json_logger/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 json_logger-0.0.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/json_logger/0.0.2:/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] 013b17702c7b26a9bfc21ca4419dd58120b8a2fa8d81e4a287486464689f6658
[INFO] running `"docker" "start" "-a" "013b17702c7b26a9bfc21ca4419dd58120b8a2fa8d81e4a287486464689f6658"`
[INFO] [stderr]     Checking json_logger v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         level: level,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `level`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         hostname: hostname,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         pid: pid
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `pid`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         level: level,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `level`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         hostname: hostname,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^ help: replace it with: `hostname`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         pid: pid
[INFO] [stderr]     |         ^^^^^^^^ help: replace it with: `pid`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:116:58
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let len = buf.iter().position(|byte| *byte == 0).unwrap_or(buf.len());
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/lib.rs:116:58
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let len = buf.iter().position(|byte| *byte == 0).unwrap_or(buf.len());
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| buf.len())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "013b17702c7b26a9bfc21ca4419dd58120b8a2fa8d81e4a287486464689f6658"`
[INFO] running `"docker" "rm" "-f" "013b17702c7b26a9bfc21ca4419dd58120b8a2fa8d81e4a287486464689f6658"`
[INFO] [stdout] 013b17702c7b26a9bfc21ca4419dd58120b8a2fa8d81e4a287486464689f6658