[INFO] crate vec3 0.2.1 is already in cache
[INFO] extracting crate vec3 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/vec3/0.2.1
[INFO] extracting crate vec3 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/vec3/0.2.1
[INFO] validating manifest of vec3-0.2.1 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 vec3-0.2.1 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 vec3-0.2.1
[INFO] finished frobbing vec3-0.2.1
[INFO] frobbed toml for vec3-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/vec3/0.2.1/Cargo.toml
[INFO] started frobbing vec3-0.2.1
[INFO] finished frobbing vec3-0.2.1
[INFO] frobbed toml for vec3-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/vec3/0.2.1/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 vec3-0.2.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/vec3/0.2.1:/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] 4a39a7a0914966c0775f059542af55c7ddb81377901309e5198c55c44241cd7f
[INFO] running `"docker" "start" "-a" "4a39a7a0914966c0775f059542af55c7ddb81377901309e5198c55c44241cd7f"`
[INFO] [stderr]     Checking cast_trait v0.1.2
[INFO] [stderr]     Checking vec3 v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/inv.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / pub fn inv_mut<'out, T>(out: &'out mut [T; 3]) -> &'out mut [T; 3]
[INFO] [stderr] 28 | | where
[INFO] [stderr] 29 | |     T: One + Neg<Output = T>,
[INFO] [stderr] 30 | |     for<'a> T: MulAssign<&'a T>,
[INFO] [stderr] 31 | | {
[INFO] [stderr] 32 | |     smul_mut(out, &-T::one())
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/norm.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let tmp = out.clone();
[INFO] [stderr]    |               ^^^^^^^^^^^ help: try dereferencing it: `*out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/inv.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | / pub fn inv_mut<'out, T>(out: &'out mut [T; 3]) -> &'out mut [T; 3]
[INFO] [stderr] 28 | | where
[INFO] [stderr] 29 | |     T: One + Neg<Output = T>,
[INFO] [stderr] 30 | |     for<'a> T: MulAssign<&'a T>,
[INFO] [stderr] 31 | | {
[INFO] [stderr] 32 | |     smul_mut(out, &-T::one())
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/norm.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     let tmp = out.clone();
[INFO] [stderr]    |               ^^^^^^^^^^^ help: try dereferencing it: `*out`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "4a39a7a0914966c0775f059542af55c7ddb81377901309e5198c55c44241cd7f"`
[INFO] running `"docker" "rm" "-f" "4a39a7a0914966c0775f059542af55c7ddb81377901309e5198c55c44241cd7f"`
[INFO] [stdout] 4a39a7a0914966c0775f059542af55c7ddb81377901309e5198c55c44241cd7f