[INFO] updating cached repository stevesweetney/photomosaic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stevesweetney/photomosaic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stevesweetney/photomosaic" "work/ex/clippy-test-run/sources/stable/gh/stevesweetney/photomosaic"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/stevesweetney/photomosaic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevesweetney/photomosaic" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stevesweetney/photomosaic"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stevesweetney/photomosaic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 11c141a9ee4c4cd2695615361773cc6fc592659e
[INFO] sha for GitHub repo stevesweetney/photomosaic: 11c141a9ee4c4cd2695615361773cc6fc592659e
[INFO] validating manifest of stevesweetney/photomosaic 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 stevesweetney/photomosaic 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 stevesweetney/photomosaic
[INFO] finished frobbing stevesweetney/photomosaic
[INFO] frobbed toml for stevesweetney/photomosaic written to work/ex/clippy-test-run/sources/stable/gh/stevesweetney/photomosaic/Cargo.toml
[INFO] started frobbing stevesweetney/photomosaic
[INFO] finished frobbing stevesweetney/photomosaic
[INFO] frobbed toml for stevesweetney/photomosaic written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/stevesweetney/photomosaic/Cargo.toml
[INFO] crate stevesweetney/photomosaic 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 stevesweetney/photomosaic 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/gh/stevesweetney/photomosaic:/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] 6b890728b0b0816f22a0048e5808cf5e3be4541893913f05ab2f4b614446a6b8
[INFO] running `"docker" "start" "-a" "6b890728b0b0816f22a0048e5808cf5e3be4541893913f05ab2f4b614446a6b8"`
[INFO] [stderr]     Checking num-traits v0.2.0
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rayon v1.0.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking alga v0.5.3
[INFO] [stderr]     Checking rusttype v0.4.1
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking imageproc v0.14.0
[INFO] [stderr]     Checking photomosaic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:325:65
[INFO] [stderr]     |
[INFO] [stderr] 325 |         assert!(f64::abs(distance(black,white).floor() - square(441.672956)) <= 1.0);
[INFO] [stderr]     |                                                                 ^^^^^^^^^^ help: consider: `441.672_956`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:326:57
[INFO] [stderr]     |
[INFO] [stderr] 326 |         assert!(f64::abs(distance(p,q).floor() - square(146.427456)) <= 1.0);
[INFO] [stderr]     |                                                         ^^^^^^^^^^ help: consider: `146.427_456`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let (mut x,mut y) = (0,0);
[INFO] [stderr]    |              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]   --> src/main.rs:91:14
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let (mut x,mut y) = (0,0);
[INFO] [stderr]    |              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:334:9
[INFO] [stderr]     |
[INFO] [stderr] 334 |         assert_eq!(distance(p1,p1),0.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:334:9
[INFO] [stderr]     |
[INFO] [stderr] 334 |         assert_eq!(distance(p1,p1),0.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/main.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         assert_eq!(distance(p2,p2),0.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/main.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         assert_eq!(distance(p2,p2),0.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `photomosaic`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6b890728b0b0816f22a0048e5808cf5e3be4541893913f05ab2f4b614446a6b8"`
[INFO] running `"docker" "rm" "-f" "6b890728b0b0816f22a0048e5808cf5e3be4541893913f05ab2f4b614446a6b8"`
[INFO] [stdout] 6b890728b0b0816f22a0048e5808cf5e3be4541893913f05ab2f4b614446a6b8