[INFO] updating cached repository ukabuer/path-tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ukabuer/path-tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ukabuer/path-tracer" "work/ex/clippy-test-run/sources/stable/gh/ukabuer/path-tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ukabuer/path-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ukabuer/path-tracer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ukabuer/path-tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ukabuer/path-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a07e9837bd9edaa55e211f23a033cf3e6601c059
[INFO] sha for GitHub repo ukabuer/path-tracer: a07e9837bd9edaa55e211f23a033cf3e6601c059
[INFO] validating manifest of ukabuer/path-tracer 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 ukabuer/path-tracer 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 ukabuer/path-tracer
[INFO] finished frobbing ukabuer/path-tracer
[INFO] frobbed toml for ukabuer/path-tracer written to work/ex/clippy-test-run/sources/stable/gh/ukabuer/path-tracer/Cargo.toml
[INFO] started frobbing ukabuer/path-tracer
[INFO] finished frobbing ukabuer/path-tracer
[INFO] frobbed toml for ukabuer/path-tracer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ukabuer/path-tracer/Cargo.toml
[INFO] crate ukabuer/path-tracer 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 ukabuer/path-tracer against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ukabuer/path-tracer:/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] 29730441b3550608cdda8d497f199c150a242e01469a2623578d88363b873ce4
[INFO] running `"docker" "start" "-a" "29730441b3550608cdda8d497f199c150a242e01469a2623578d88363b873ce4"`
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking path-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/hitable.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let p = r.point_at_parameter(temp);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/hitable.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let p = r.point_at_parameter(temp);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/hitable.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let p = r.point_at_parameter(temp);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/hitable.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let p = r.point_at_parameter(temp);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `self`.
[INFO] [stderr]   --> src/hitable.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for i in 0..self.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for <item> in &self {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/hitable.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | /       match self[i].hit(r, tmin, closet_so_far) {
[INFO] [stderr] 25 | |         Some(record) => {
[INFO] [stderr] 26 | |           closet_so_far = record.t;
[INFO] [stderr] 27 | |           result = Some(record);
[INFO] [stderr] 28 | |         }
[INFO] [stderr] 29 | |         _ => (),
[INFO] [stderr] 30 | |       }
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 24 |       if let Some(record) = self[i].hit(r, tmin, closet_so_far) {
[INFO] [stderr] 25 |   closet_so_far = record.t;
[INFO] [stderr] 26 |   result = Some(record);
[INFO] [stderr] 27 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `self`.
[INFO] [stderr]   --> src/hitable.rs:23:14
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for i in 0..self.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 23 |     for <item> in &self {
[INFO] [stderr]    |         ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/hitable.rs:24:7
[INFO] [stderr]    |
[INFO] [stderr] 24 | /       match self[i].hit(r, tmin, closet_so_far) {
[INFO] [stderr] 25 | |         Some(record) => {
[INFO] [stderr] 26 | |           closet_so_far = record.t;
[INFO] [stderr] 27 | |           result = Some(record);
[INFO] [stderr] 28 | |         }
[INFO] [stderr] 29 | |         _ => (),
[INFO] [stderr] 30 | |       }
[INFO] [stderr]    | |_______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 24 |       if let Some(record) = self[i].hit(r, tmin, closet_so_far) {
[INFO] [stderr] 25 |   closet_so_far = record.t;
[INFO] [stderr] 26 |   result = Some(record);
[INFO] [stderr] 27 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.20s
[INFO] running `"docker" "inspect" "29730441b3550608cdda8d497f199c150a242e01469a2623578d88363b873ce4"`
[INFO] running `"docker" "rm" "-f" "29730441b3550608cdda8d497f199c150a242e01469a2623578d88363b873ce4"`
[INFO] [stdout] 29730441b3550608cdda8d497f199c150a242e01469a2623578d88363b873ce4