[INFO] crate polynomial 0.1.0 is already in cache
[INFO] extracting crate polynomial 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/polynomial/0.1.0
[INFO] extracting crate polynomial 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polynomial/0.1.0
[INFO] validating manifest of polynomial-0.1.0 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 polynomial-0.1.0 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 polynomial-0.1.0
[INFO] finished frobbing polynomial-0.1.0
[INFO] frobbed toml for polynomial-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/polynomial/0.1.0/Cargo.toml
[INFO] started frobbing polynomial-0.1.0
[INFO] finished frobbing polynomial-0.1.0
[INFO] frobbed toml for polynomial-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polynomial/0.1.0/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 polynomial-0.1.0 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/polynomial/0.1.0:/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] 90cb45630d2ff592626dc9d29445bc082948c8bf4264589ad35abf3954cfd3e8
[INFO] running `"docker" "start" "-a" "90cb45630d2ff592626dc9d29445bc082948c8bf4264589ad35abf3954cfd3e8"`
[INFO] [stderr]     Checking polynomial v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Polynomial { data: data }
[INFO] [stderr]    |                      ^^^^^^^^^^ help: replace it with: `data`
[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:38:22
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Polynomial { data: data }
[INFO] [stderr]    |                      ^^^^^^^^^^ help: replace it with: `data`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 101 | |                 if (*n) == one {
[INFO] [stderr] 102 | |                     format!("{}^{}", x, i)
[INFO] [stderr] 103 | |                 } else if (*n) == -one.clone() {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |                 }
[INFO] [stderr] 108 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |             } else if (*n) == one {
[INFO] [stderr] 101 |     format!("{}^{}", x, i)
[INFO] [stderr] 102 | } else if (*n) == -one.clone() {
[INFO] [stderr] 103 |     format!("-{}^{}", x, i)
[INFO] [stderr] 104 | } else {
[INFO] [stderr] 105 |     format!("{}*{}^{}", n.to_string(), x, i)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:100:20
[INFO] [stderr]     |
[INFO] [stderr] 100 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 101 | |                 if (*n) == one {
[INFO] [stderr] 102 | |                     format!("{}^{}", x, i)
[INFO] [stderr] 103 | |                 } else if (*n) == -one.clone() {
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |                 }
[INFO] [stderr] 108 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |             } else if (*n) == one {
[INFO] [stderr] 101 |     format!("{}^{}", x, i)
[INFO] [stderr] 102 | } else if (*n) == -one.clone() {
[INFO] [stderr] 103 |     format!("-{}^{}", x, i)
[INFO] [stderr] 104 | } else {
[INFO] [stderr] 105 |     format!("{}*{}^{}", n.to_string(), x, i)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:110:16
[INFO] [stderr]     |
[INFO] [stderr] 110 |             if s.len() > 0 && (*n) > Zero::zero() {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/lib.rs:283:27
[INFO] [stderr]     |
[INFO] [stderr] 283 |         if self.is_zero() || other.is_zero() {
[INFO] [stderr]     |                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/lib.rs:293:45
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 let kend = cmp::min(slen, i + 1);
[INFO] [stderr]     |                                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `polynomial`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:110:16
[INFO] [stderr]     |
[INFO] [stderr] 110 |             if s.len() > 0 && (*n) > Zero::zero() {
[INFO] [stderr]     |                ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/lib.rs:283:27
[INFO] [stderr]     |
[INFO] [stderr] 283 |         if self.is_zero() || other.is_zero() {
[INFO] [stderr]     |                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/lib.rs:293:45
[INFO] [stderr]     |
[INFO] [stderr] 293 |                 let kend = cmp::min(slen, i + 1);
[INFO] [stderr]     |                                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `polynomial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "90cb45630d2ff592626dc9d29445bc082948c8bf4264589ad35abf3954cfd3e8"`
[INFO] running `"docker" "rm" "-f" "90cb45630d2ff592626dc9d29445bc082948c8bf4264589ad35abf3954cfd3e8"`
[INFO] [stdout] 90cb45630d2ff592626dc9d29445bc082948c8bf4264589ad35abf3954cfd3e8