[INFO] crate replicante_util_iron 0.1.1 is already in cache
[INFO] extracting crate replicante_util_iron 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/replicante_util_iron/0.1.1
[INFO] extracting crate replicante_util_iron 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/replicante_util_iron/0.1.1
[INFO] validating manifest of replicante_util_iron-0.1.1 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 replicante_util_iron-0.1.1 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 replicante_util_iron-0.1.1
[INFO] finished frobbing replicante_util_iron-0.1.1
[INFO] frobbed toml for replicante_util_iron-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/replicante_util_iron/0.1.1/Cargo.toml
[INFO] started frobbing replicante_util_iron-0.1.1
[INFO] finished frobbing replicante_util_iron-0.1.1
[INFO] frobbed toml for replicante_util_iron-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/replicante_util_iron/0.1.1/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 replicante_util_iron-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/replicante_util_iron/0.1.1:/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] 110d7acb9b2c8f20aa367b361c5ae45f42b8c34190d24c6e13ce6bb34557f453
[INFO] running `"docker" "start" "-a" "110d7acb9b2c8f20aa367b361c5ae45f42b8c34190d24c6e13ce6bb34557f453"`
[INFO] [stderr]    Compiling protobuf v2.2.5
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking iron-test v0.6.0
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]     Checking opentracingrust v0.3.1
[INFO] [stderr]     Checking prometheus v0.4.2
[INFO] [stderr]     Checking replicante_util_iron v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/logging/middleware.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 | /         match request::put("http://host:16016/fail", Headers::new(), "", &chain) {
[INFO] [stderr] 137 | |             Ok(_) => panic!("Should have failed"),
[INFO] [stderr] 138 | |             _ => ()
[INFO] [stderr] 139 | |         };
[INFO] [stderr]     | |_________^ help: try this: `if let Ok(_) = request::put("http://host:16016/fail", Headers::new(), "", &chain) { panic!("Should have failed") }`
[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] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:338:17
[INFO] [stderr]     |
[INFO] [stderr] 338 |                 &vec!["method", "path"]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:348:17
[INFO] [stderr]     |
[INFO] [stderr] 348 |                 &vec!["method", "path"]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 |                 &vec!["method", "path", "status"]
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path", "status"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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/metrics/observe.rs:406:13
[INFO] [stderr]     |
[INFO] [stderr] 406 | /             match request::post("http://localhost:3000/error", Headers::new(), "", &handler) {
[INFO] [stderr] 407 | |                 Ok(_) => panic!("request should have failed!"),
[INFO] [stderr] 408 | |                 Err(_) => ()
[INFO] [stderr] 409 | |             };
[INFO] [stderr]     | |_____________^ help: try this: `if let Ok(_) = request::post("http://localhost:3000/error", Headers::new(), "", &handler) { panic!("request should have failed!") }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/metrics/observe.rs:411:31
[INFO] [stderr]     |
[INFO] [stderr] 411 |             assert_eq!(count, 1 as f64);
[INFO] [stderr]     |                               ^^^^^^^^ help: try: `f64::from(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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/metrics/observe.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |             assert_eq!(count, 1 as f64);
[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/metrics/observe.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |             assert_eq!(count, 1 as f64);
[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] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/metrics/observe.rs:424:27
[INFO] [stderr]     |
[INFO] [stderr] 424 |             assert!(sum < 1 as f64);
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `f64::from(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/metrics/observe.rs:425:27
[INFO] [stderr]     |
[INFO] [stderr] 425 |             assert!(sum > 0 as f64);
[INFO] [stderr]     |                           ^^^^^^^^ help: try: `f64::from(0)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/metrics/observe.rs:435:13
[INFO] [stderr]     |
[INFO] [stderr] 435 | /             match request::post("http://localhost:3000/error", Headers::new(), "", &handler) {
[INFO] [stderr] 436 | |                 Ok(_) => panic!("request should have failed!"),
[INFO] [stderr] 437 | |                 Err(_) => ()
[INFO] [stderr] 438 | |             };
[INFO] [stderr]     | |_____________^ help: try this: `if let Ok(_) = request::post("http://localhost:3000/error", Headers::new(), "", &handler) { panic!("request should have failed!") }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/metrics/observe.rs:441:24
[INFO] [stderr]     |
[INFO] [stderr] 441 |             assert_eq!(1 as f64, count_200);
[INFO] [stderr]     |                        ^^^^^^^^ help: try: `f64::from(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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/metrics/observe.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |             assert_eq!(1 as f64, count_200);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/metrics/observe.rs:441:13
[INFO] [stderr]     |
[INFO] [stderr] 441 |             assert_eq!(1 as f64, count_200);
[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] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/metrics/observe.rs:442:24
[INFO] [stderr]     |
[INFO] [stderr] 442 |             assert_eq!(1 as f64, count_400);
[INFO] [stderr]     |                        ^^^^^^^^ help: try: `f64::from(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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/metrics/observe.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |             assert_eq!(1 as f64, count_400);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/metrics/observe.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |             assert_eq!(1 as f64, count_400);
[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] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:458:78
[INFO] [stderr]     |
[INFO] [stderr] 458 |             let duration = HistogramVec::new(HistogramOpts::new("t1", "t1"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                              ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:459:66
[INFO] [stderr]     |
[INFO] [stderr] 459 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:460:67
[INFO] [stderr]     |
[INFO] [stderr] 460 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:469:49
[INFO] [stderr]     |
[INFO] [stderr] 469 |                 HistogramOpts::new("t1", "t1"), &vec!["abc", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["abc", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:471:66
[INFO] [stderr]     |
[INFO] [stderr] 471 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:472:67
[INFO] [stderr]     |
[INFO] [stderr] 472 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:481:49
[INFO] [stderr]     |
[INFO] [stderr] 481 |                 HistogramOpts::new("t1", "t1"), &vec!["path", "method"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["path", "method"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:483:66
[INFO] [stderr]     |
[INFO] [stderr] 483 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:484:67
[INFO] [stderr]     |
[INFO] [stderr] 484 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:493:79
[INFO] [stderr]     |
[INFO] [stderr] 493 |                 HistogramOpts::new("t1", "t1").const_label("method", "test"), &vec![]
[INFO] [stderr]     |                                                                               ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:495:66
[INFO] [stderr]     |
[INFO] [stderr] 495 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:496:67
[INFO] [stderr]     |
[INFO] [stderr] 496 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:505:77
[INFO] [stderr]     |
[INFO] [stderr] 505 |                 HistogramOpts::new("t1", "t1").const_label("path", "test"), &vec![]
[INFO] [stderr]     |                                                                             ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:507:66
[INFO] [stderr]     |
[INFO] [stderr] 507 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:508:67
[INFO] [stderr]     |
[INFO] [stderr] 508 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:517:49
[INFO] [stderr]     |
[INFO] [stderr] 517 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:519:66
[INFO] [stderr]     |
[INFO] [stderr] 519 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:520:67
[INFO] [stderr]     |
[INFO] [stderr] 520 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:529:49
[INFO] [stderr]     |
[INFO] [stderr] 529 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:531:66
[INFO] [stderr]     |
[INFO] [stderr] 531 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["a", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["a", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:532:67
[INFO] [stderr]     |
[INFO] [stderr] 532 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:541:49
[INFO] [stderr]     |
[INFO] [stderr] 541 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:544:70
[INFO] [stderr]     |
[INFO] [stderr] 544 |                 Opts::new("t2", "t2").const_label("method", "test"), &vec![]
[INFO] [stderr]     |                                                                      ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:546:67
[INFO] [stderr]     |
[INFO] [stderr] 546 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:555:49
[INFO] [stderr]     |
[INFO] [stderr] 555 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:558:68
[INFO] [stderr]     |
[INFO] [stderr] 558 |                 Opts::new("t2", "t2").const_label("path", "path"), &vec![]
[INFO] [stderr]     |                                                                    ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:560:67
[INFO] [stderr]     |
[INFO] [stderr] 560 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:569:49
[INFO] [stderr]     |
[INFO] [stderr] 569 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:571:66
[INFO] [stderr]     |
[INFO] [stderr] 571 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["path", "method"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["path", "method"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:572:67
[INFO] [stderr]     |
[INFO] [stderr] 572 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:581:49
[INFO] [stderr]     |
[INFO] [stderr] 581 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:583:66
[INFO] [stderr]     |
[INFO] [stderr] 583 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:584:67
[INFO] [stderr]     |
[INFO] [stderr] 584 |             let requests = CounterVec::new(Opts::new("t3", "t3"), &vec![]).unwrap();
[INFO] [stderr]     |                                                                   ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:593:49
[INFO] [stderr]     |
[INFO] [stderr] 593 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:595:66
[INFO] [stderr]     |
[INFO] [stderr] 595 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:597:40
[INFO] [stderr]     |
[INFO] [stderr] 597 |                 Opts::new("t3", "t3"), &vec!["a", "path", "status"]
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["a", "path", "status"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:607:49
[INFO] [stderr]     |
[INFO] [stderr] 607 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:609:66
[INFO] [stderr]     |
[INFO] [stderr] 609 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:611:70
[INFO] [stderr]     |
[INFO] [stderr] 611 |                 Opts::new("t3", "t3").const_label("method", "test"), &vec![]
[INFO] [stderr]     |                                                                      ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:621:49
[INFO] [stderr]     |
[INFO] [stderr] 621 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:623:66
[INFO] [stderr]     |
[INFO] [stderr] 623 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:625:68
[INFO] [stderr]     |
[INFO] [stderr] 625 |                 Opts::new("t3", "t3").const_label("path", "test"), &vec![]
[INFO] [stderr]     |                                                                    ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:635:49
[INFO] [stderr]     |
[INFO] [stderr] 635 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:637:66
[INFO] [stderr]     |
[INFO] [stderr] 637 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:639:70
[INFO] [stderr]     |
[INFO] [stderr] 639 |                 Opts::new("t3", "t3").const_label("status", "test"), &vec![]
[INFO] [stderr]     |                                                                      ^^^^^^^ help: you can use a slice directly: `&[]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:649:49
[INFO] [stderr]     |
[INFO] [stderr] 649 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:651:66
[INFO] [stderr]     |
[INFO] [stderr] 651 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:653:40
[INFO] [stderr]     |
[INFO] [stderr] 653 |                 Opts::new("t3", "t3"), &vec!["path", "status", "method"]
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["path", "status", "method"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:662:49
[INFO] [stderr]     |
[INFO] [stderr] 662 |                 HistogramOpts::new("t1", "t1"), &vec!["method", "path"]
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:664:66
[INFO] [stderr]     |
[INFO] [stderr] 664 |             let counter = CounterVec::new(Opts::new("t2", "t2"), &vec!["method", "path"]).unwrap();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]    --> src/metrics/observe.rs:666:40
[INFO] [stderr]     |
[INFO] [stderr] 666 |                 Opts::new("t3", "t3"), &vec!["method", "path", "status"]
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&["method", "path", "status"]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `replicante_util_iron`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "110d7acb9b2c8f20aa367b361c5ae45f42b8c34190d24c6e13ce6bb34557f453"`
[INFO] running `"docker" "rm" "-f" "110d7acb9b2c8f20aa367b361c5ae45f42b8c34190d24c6e13ce6bb34557f453"`
[INFO] [stdout] 110d7acb9b2c8f20aa367b361c5ae45f42b8c34190d24c6e13ce6bb34557f453