[INFO] crate dual 0.2.0 is already in cache
[INFO] extracting crate dual 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/dual/0.2.0
[INFO] extracting crate dual 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dual/0.2.0
[INFO] validating manifest of dual-0.2.0 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 dual-0.2.0 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 dual-0.2.0
[INFO] finished frobbing dual-0.2.0
[INFO] frobbed toml for dual-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/dual/0.2.0/Cargo.toml
[INFO] started frobbing dual-0.2.0
[INFO] finished frobbing dual-0.2.0
[INFO] frobbed toml for dual-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dual/0.2.0/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 dual-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/dual/0.2.0:/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] c11b85d36abc6423ac9416024729d0a18f399c399bb60ee1a1e98c14edd4d20f
[INFO] running `"docker" "start" "-a" "c11b85d36abc6423ac9416024729d0a18f399c399bb60ee1a1e98c14edd4d20f"`
[INFO] [stderr] warning: path `/opt/crater/workdir/src/dual.rs` was erroneously implicitly accepted for library `dual`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking dual v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/dual.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let s:Vec<_> = str.split("?").collect();
[INFO] [stderr]    |                              ^^^ help: try using a char instead: `'?'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/dual.rs:117:2
[INFO] [stderr]     |
[INFO] [stderr] 117 | /  fn ne(&self, other:&Dual<T>) -> bool {
[INFO] [stderr] 118 | |   (self.val!=other.val) || (self.der!=other.der)
[INFO] [stderr] 119 | |  }
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/dual.rs:57:30
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let s:Vec<_> = str.split("?").collect();
[INFO] [stderr]    |                              ^^^ help: try using a char instead: `'?'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]    --> src/dual.rs:117:2
[INFO] [stderr]     |
[INFO] [stderr] 117 | /  fn ne(&self, other:&Dual<T>) -> bool {
[INFO] [stderr] 118 | |   (self.val!=other.val) || (self.der!=other.der)
[INFO] [stderr] 119 | |  }
[INFO] [stderr]     | |__^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "c11b85d36abc6423ac9416024729d0a18f399c399bb60ee1a1e98c14edd4d20f"`
[INFO] running `"docker" "rm" "-f" "c11b85d36abc6423ac9416024729d0a18f399c399bb60ee1a1e98c14edd4d20f"`
[INFO] [stdout] c11b85d36abc6423ac9416024729d0a18f399c399bb60ee1a1e98c14edd4d20f