[INFO] updating cached repository lgrz/grdeval
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lgrz/grdeval
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lgrz/grdeval" "work/ex/clippy-test-run/sources/stable/gh/lgrz/grdeval"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/lgrz/grdeval'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lgrz/grdeval" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lgrz/grdeval"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lgrz/grdeval'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 016cd1774ce27c10372b92be0b73aef1760970de
[INFO] sha for GitHub repo lgrz/grdeval: 016cd1774ce27c10372b92be0b73aef1760970de
[INFO] validating manifest of lgrz/grdeval 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 lgrz/grdeval 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 lgrz/grdeval
[INFO] finished frobbing lgrz/grdeval
[INFO] frobbed toml for lgrz/grdeval written to work/ex/clippy-test-run/sources/stable/gh/lgrz/grdeval/Cargo.toml
[INFO] started frobbing lgrz/grdeval
[INFO] finished frobbing lgrz/grdeval
[INFO] frobbed toml for lgrz/grdeval written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lgrz/grdeval/Cargo.toml
[INFO] crate lgrz/grdeval 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 lgrz/grdeval against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/lgrz/grdeval:/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 -Dclippy::into_iter_on_array" "-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] 11992d724d23eba33a8c90aa37ae6809bddf204be9af5acc9f0b64cabfd50548
[INFO] running `"docker" "start" "-a" "11992d724d23eba33a8c90aa37ae6809bddf204be9af5acc9f0b64cabfd50548"`
[INFO] [stderr]     Checking grdeval v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/lib.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |     println!("{},{},{:.*},{:.*}", runid, "amean", 5, ndcg_total / topics, 5, err_total / topics);
[INFO] [stderr]     |                                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/lib.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |     println!("{},{},{:.*},{:.*}", runid, "amean", 5, ndcg_total / topics, 5, err_total / topics);
[INFO] [stderr]     |                                          ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/lib.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 | /             if curr_topic != "" {
[INFO] [stderr] 77 | |                 if ideal_gain.contains_key(&curr_topic) {
[INFO] [stderr] 78 | |                 let curr_ideal = match ideal_gain.get(&curr_topic) {
[INFO] [stderr] 79 | |                     Some(&x) => x,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |                 }
[INFO] [stderr] 92 | |             }
[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] 76 |             if curr_topic != "" && ideal_gain.contains_key(&curr_topic) {
[INFO] [stderr] 77 | let curr_ideal = match ideal_gain.get(&curr_topic) {
[INFO] [stderr] 78 |     Some(&x) => x,
[INFO] [stderr] 79 |     None => 0.,
[INFO] [stderr] 80 | };
[INFO] [stderr] 81 | let mut curr_ndcg = 0.;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]   --> src/lib.rs:76:13
[INFO] [stderr]    |
[INFO] [stderr] 76 | /             if curr_topic != "" {
[INFO] [stderr] 77 | |                 if ideal_gain.contains_key(&curr_topic) {
[INFO] [stderr] 78 | |                 let curr_ideal = match ideal_gain.get(&curr_topic) {
[INFO] [stderr] 79 | |                     Some(&x) => x,
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |                 }
[INFO] [stderr] 92 | |             }
[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] 76 |             if curr_topic != "" && ideal_gain.contains_key(&curr_topic) {
[INFO] [stderr] 77 | let curr_ideal = match ideal_gain.get(&curr_topic) {
[INFO] [stderr] 78 |     Some(&x) => x,
[INFO] [stderr] 79 |     None => 0.,
[INFO] [stderr] 80 | };
[INFO] [stderr] 81 | let mut curr_ndcg = 0.;
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:281:28
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let dcg_expected = 9.392789260714371;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: consider: `9.392_789_260_714_371`
[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/lib.rs:289:28
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let dcg_expected = 9.392789260714371;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: consider: `9.392_789_260_714_371`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:315:28
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let err_expected = 0.9016927083333334;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: consider: `0.901_692_708_333_333_4`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:323:28
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let err_expected = 0.9016927083333334;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^ help: consider: `0.901_692_708_333_333_4`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let qentry = QrelEntry::new(s.split(" ").collect());
[INFO] [stderr]    |                                             ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:36:41
[INFO] [stderr]    |
[INFO] [stderr] 36 |         run.push(TrecEntry::new(s.split(" ").collect()));
[INFO] [stderr]    |                                         ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/lib.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                 let mut curr_ndcg = 0.;
[INFO] [stderr] 83 | |                 if curr_ideal > 0. {
[INFO] [stderr] 84 | |                     curr_ndcg = dcg(config.cutoff, &gain) / curr_ideal;
[INFO] [stderr] 85 | |                 }
[INFO] [stderr]    | |_________________^ help: it is more idiomatic to write: `let <mut> curr_ndcg = if curr_ideal > 0. { dcg(config.cutoff, &gain) / curr_ideal } else { 0. };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = note: you might not need `mut` at all
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/lib.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         let mut curr_ndcg = 0.;
[INFO] [stderr] 111 | |         if curr_ideal > 0. {
[INFO] [stderr] 112 | |             curr_ndcg = dcg(config.cutoff, &gain) / curr_ideal;
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> curr_ndcg = if curr_ideal > 0. { dcg(config.cutoff, &gain) / curr_ideal } else { 0. };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn dcg(k: usize, gain: &Vec<i32>) -> f64 {
[INFO] [stderr]     |                            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:233:8
[INFO] [stderr]     |
[INFO] [stderr] 233 |     if gain.len() < 1 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `gain.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] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:241:18
[INFO] [stderr]     |
[INFO] [stderr] 241 |         score += (2_i32.pow(n) - 1) as f64 / (i + 2.).log(2.0)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2_i32.pow(n) - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:247:28
[INFO] [stderr]     |
[INFO] [stderr] 247 | pub fn err(k: usize, gain: &Vec<i32>, max_judgment: u32) -> f64 {
[INFO] [stderr]     |                            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let r = (2_i32.pow(n) - 1) as f64 / (2_i32.pow(max_judgment)) as f64;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2_i32.pow(n) - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:254:45
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let r = (2_i32.pow(n) - 1) as f64 / (2_i32.pow(max_judgment)) as f64;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((2_i32.pow(max_judgment)))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:24:45
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let qentry = QrelEntry::new(s.split(" ").collect());
[INFO] [stderr]    |                                             ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/lib.rs:36:41
[INFO] [stderr]    |
[INFO] [stderr] 36 |         run.push(TrecEntry::new(s.split(" ").collect()));
[INFO] [stderr]    |                                         ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/lib.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                 let mut curr_ndcg = 0.;
[INFO] [stderr] 83 | |                 if curr_ideal > 0. {
[INFO] [stderr] 84 | |                     curr_ndcg = dcg(config.cutoff, &gain) / curr_ideal;
[INFO] [stderr] 85 | |                 }
[INFO] [stderr]    | |_________________^ help: it is more idiomatic to write: `let <mut> curr_ndcg = if curr_ideal > 0. { dcg(config.cutoff, &gain) / curr_ideal } else { 0. };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = note: you might not need `mut` at all
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/lib.rs:110:9
[INFO] [stderr]     |
[INFO] [stderr] 110 | /         let mut curr_ndcg = 0.;
[INFO] [stderr] 111 | |         if curr_ideal > 0. {
[INFO] [stderr] 112 | |             curr_ndcg = dcg(config.cutoff, &gain) / curr_ideal;
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> curr_ndcg = if curr_ideal > 0. { dcg(config.cutoff, &gain) / curr_ideal } else { 0. };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 | pub fn dcg(k: usize, gain: &Vec<i32>) -> f64 {
[INFO] [stderr]     |                            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:233:8
[INFO] [stderr]     |
[INFO] [stderr] 233 |     if gain.len() < 1 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `gain.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] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:241:18
[INFO] [stderr]     |
[INFO] [stderr] 241 |         score += (2_i32.pow(n) - 1) as f64 / (i + 2.).log(2.0)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2_i32.pow(n) - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/lib.rs:247:28
[INFO] [stderr]     |
[INFO] [stderr] 247 | pub fn err(k: usize, gain: &Vec<i32>, max_judgment: u32) -> f64 {
[INFO] [stderr]     |                            ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:254:17
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let r = (2_i32.pow(n) - 1) as f64 / (2_i32.pow(max_judgment)) as f64;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2_i32.pow(n) - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:254:45
[INFO] [stderr]     |
[INFO] [stderr] 254 |         let r = (2_i32.pow(n) - 1) as f64 / (2_i32.pow(max_judgment)) as f64;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from((2_i32.pow(max_judgment)))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: constant `dummy_max_judgement` should have an upper case name such as `DUMMY_MAX_JUDGEMENT`
[INFO] [stderr]    --> src/lib.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     const dummy_max_judgement: u32 = 3;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         assert_eq!(0., dcg(0, &vec![1]));
[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/lib.rs:271:9
[INFO] [stderr]     |
[INFO] [stderr] 271 |         assert_eq!(0., dcg(0, &vec![1]));
[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/lib.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         assert_eq!(0., dcg(10, &vec![]));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:276:9
[INFO] [stderr]     |
[INFO] [stderr] 276 |         assert_eq!(0., dcg(10, &vec![]));
[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/lib.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         assert_eq!(0., err(0, &vec![1], dummy_max_judgement));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 |         assert_eq!(0., err(0, &vec![1], dummy_max_judgement));
[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/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         assert_eq!(0., err(10, &vec![], dummy_max_judgement));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/lib.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         assert_eq!(0., err(10, &vec![], dummy_max_judgement));
[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 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `grdeval`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "11992d724d23eba33a8c90aa37ae6809bddf204be9af5acc9f0b64cabfd50548"`
[INFO] running `"docker" "rm" "-f" "11992d724d23eba33a8c90aa37ae6809bddf204be9af5acc9f0b64cabfd50548"`
[INFO] [stdout] 11992d724d23eba33a8c90aa37ae6809bddf204be9af5acc9f0b64cabfd50548