[INFO] updating cached repository blakehawkins/project-euler
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blakehawkins/project-euler
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blakehawkins/project-euler" "work/ex/clippy-test-run/sources/stable/gh/blakehawkins/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/blakehawkins/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blakehawkins/project-euler" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/blakehawkins/project-euler"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/blakehawkins/project-euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c36b2ff3265ae96a661e234d481b1f49264d705f
[INFO] sha for GitHub repo blakehawkins/project-euler: c36b2ff3265ae96a661e234d481b1f49264d705f
[INFO] validating manifest of blakehawkins/project-euler 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 blakehawkins/project-euler 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 blakehawkins/project-euler
[INFO] finished frobbing blakehawkins/project-euler
[INFO] frobbed toml for blakehawkins/project-euler written to work/ex/clippy-test-run/sources/stable/gh/blakehawkins/project-euler/Cargo.toml
[INFO] started frobbing blakehawkins/project-euler
[INFO] finished frobbing blakehawkins/project-euler
[INFO] frobbed toml for blakehawkins/project-euler written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/blakehawkins/project-euler/Cargo.toml
[INFO] crate blakehawkins/project-euler 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 blakehawkins/project-euler against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/blakehawkins/project-euler:/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] 5c060ba58eda51f02c662337a493008153b792d3b70a7b99eb9099771bd2f3c8
[INFO] running `"docker" "start" "-a" "5c060ba58eda51f02c662337a493008153b792d3b70a7b99eb9099771bd2f3c8"`
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.0
[INFO] [stderr]     Checking project-euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 | /             if repr == repr.chars().rev().collect::<String>() {
[INFO] [stderr] 92 | |                 if v > biggest {
[INFO] [stderr] 93 | |                     biggest = v;
[INFO] [stderr] 94 | |                 }
[INFO] [stderr] 95 | |             }
[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] 91 |             if repr == repr.chars().rev().collect::<String>() && v > biggest {
[INFO] [stderr] 92 |     biggest = v;
[INFO] [stderr] 93 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/main.rs:91:13
[INFO] [stderr]    |
[INFO] [stderr] 91 | /             if repr == repr.chars().rev().collect::<String>() {
[INFO] [stderr] 92 | |                 if v > biggest {
[INFO] [stderr] 93 | |                     biggest = v;
[INFO] [stderr] 94 | |                 }
[INFO] [stderr] 95 | |             }
[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] 91 |             if repr == repr.chars().rev().collect::<String>() && v > biggest {
[INFO] [stderr] 92 |     biggest = v;
[INFO] [stderr] 93 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | /     (3..n)
[INFO] [stderr] 33 | |         .into_iter()
[INFO] [stderr]    | |____________________^ help: consider removing `.into_iter()`: `(3..n)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:53:35
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut scratch: Vec<usize> = (2..z).into_iter().collect();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(2..z)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:107:39
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut scratch: Vec<usize> = (try..(try * 2)).into_iter().collect();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(try..(try * 2))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |         for sieve in 11..(upper + 1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use: `11..=upper`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |             soln = scratch.get(0).unwrap().clone();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*scratch.get(0).unwrap()`
[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: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |             soln = scratch.get(0).unwrap().clone();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&scratch[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:131:39
[INFO] [stderr]     |
[INFO] [stderr] 131 |         TriangleGenerator { nth, val: (1..(nth + 1)).sum() }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: use: `(1..=nth)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         for v in 2..(_val + 1) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: use: `2..=_val`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | /     (3..n)
[INFO] [stderr] 33 | |         .into_iter()
[INFO] [stderr]    | |____________________^ help: consider removing `.into_iter()`: `(3..n)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:53:35
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let mut scratch: Vec<usize> = (2..z).into_iter().collect();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(2..z)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/main.rs:107:39
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let mut scratch: Vec<usize> = (try..(try * 2)).into_iter().collect();
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `(try..(try * 2))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:108:22
[INFO] [stderr]     |
[INFO] [stderr] 108 |         for sieve in 11..(upper + 1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^ help: use: `11..=upper`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/main.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |             soln = scratch.get(0).unwrap().clone();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*scratch.get(0).unwrap()`
[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: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:113:20
[INFO] [stderr]     |
[INFO] [stderr] 113 |             soln = scratch.get(0).unwrap().clone();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&scratch[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:131:39
[INFO] [stderr]     |
[INFO] [stderr] 131 |         TriangleGenerator { nth, val: (1..(nth + 1)).sum() }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: use: `(1..=nth)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/main.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         for v in 2..(_val + 1) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: use: `2..=_val`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `"docker" "inspect" "5c060ba58eda51f02c662337a493008153b792d3b70a7b99eb9099771bd2f3c8"`
[INFO] running `"docker" "rm" "-f" "5c060ba58eda51f02c662337a493008153b792d3b70a7b99eb9099771bd2f3c8"`
[INFO] [stdout] 5c060ba58eda51f02c662337a493008153b792d3b70a7b99eb9099771bd2f3c8