[INFO] crate duniter-rs-wotb 0.4.0 is already in cache
[INFO] extracting crate duniter-rs-wotb 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/duniter-rs-wotb/0.4.0
[INFO] extracting crate duniter-rs-wotb 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/duniter-rs-wotb/0.4.0
[INFO] validating manifest of duniter-rs-wotb-0.4.0 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 duniter-rs-wotb-0.4.0 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 duniter-rs-wotb-0.4.0
[INFO] finished frobbing duniter-rs-wotb-0.4.0
[INFO] frobbed toml for duniter-rs-wotb-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/duniter-rs-wotb/0.4.0/Cargo.toml
[INFO] started frobbing duniter-rs-wotb-0.4.0
[INFO] finished frobbing duniter-rs-wotb-0.4.0
[INFO] frobbed toml for duniter-rs-wotb-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/duniter-rs-wotb/0.4.0/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 duniter-rs-wotb-0.4.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/duniter-rs-wotb/0.4.0:/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] 22efb4dfb00ead24e8f7fd9897e09493f40ae16ba3bdeafd88a6d58203793d0f
[INFO] running `"docker" "start" "-a" "22efb4dfb00ead24e8f7fd9897e09493f40ae16ba3bdeafd88a6d58203793d0f"`
[INFO] [stderr]     Checking duniter-rs-wotb v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:298:20
[INFO] [stderr]     |
[INFO] [stderr] 298 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 299 | |                 if check {
[INFO] [stderr] 300 | |                     result.reached += 1;
[INFO] [stderr] 301 | |                 }
[INFO] [stderr] 302 | |             }
[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] 298 |             } else if check {
[INFO] [stderr] 299 |     result.reached += 1;
[INFO] [stderr] 300 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:466:16
[INFO] [stderr]     |
[INFO] [stderr] 466 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 467 | |             if *from < *to {
[INFO] [stderr] 468 | |                 // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 469 | |                 let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] ...   |
[INFO] [stderr] 475 | |             }
[INFO] [stderr] 476 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 466 |         } else if *from < *to {
[INFO] [stderr] 467 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 468 |     let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] 469 |     start[*from].link_to(&mut end[0], self.max_cert)
[INFO] [stderr] 470 | } else {
[INFO] [stderr] 471 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:485:16
[INFO] [stderr]     |
[INFO] [stderr] 485 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 486 | |             if *from < *to {
[INFO] [stderr] 487 | |                 // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 488 | |                 let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] ...   |
[INFO] [stderr] 494 | |             }
[INFO] [stderr] 495 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 485 |         } else if *from < *to {
[INFO] [stderr] 486 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 487 |     let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] 488 |     start[*from].unlink_to(&mut end[0])
[INFO] [stderr] 489 | } else {
[INFO] [stderr] 490 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:298:20
[INFO] [stderr]     |
[INFO] [stderr] 298 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 299 | |                 if check {
[INFO] [stderr] 300 | |                     result.reached += 1;
[INFO] [stderr] 301 | |                 }
[INFO] [stderr] 302 | |             }
[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] 298 |             } else if check {
[INFO] [stderr] 299 |     result.reached += 1;
[INFO] [stderr] 300 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:466:16
[INFO] [stderr]     |
[INFO] [stderr] 466 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 467 | |             if *from < *to {
[INFO] [stderr] 468 | |                 // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 469 | |                 let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] ...   |
[INFO] [stderr] 475 | |             }
[INFO] [stderr] 476 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 466 |         } else if *from < *to {
[INFO] [stderr] 467 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 468 |     let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] 469 |     start[*from].link_to(&mut end[0], self.max_cert)
[INFO] [stderr] 470 | } else {
[INFO] [stderr] 471 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:485:16
[INFO] [stderr]     |
[INFO] [stderr] 485 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 486 | |             if *from < *to {
[INFO] [stderr] 487 | |                 // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 488 | |                 let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] ...   |
[INFO] [stderr] 494 | |             }
[INFO] [stderr] 495 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[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] 485 |         } else if *from < *to {
[INFO] [stderr] 486 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr] 487 |     let (start, end) = self.nodes.split_at_mut(*to);
[INFO] [stderr] 488 |     start[*from].unlink_to(&mut end[0])
[INFO] [stderr] 489 | } else {
[INFO] [stderr] 490 |     // split `nodes` in two part to allow borrowing 2 nodes at the same time
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:204:16
[INFO] [stderr]     |
[INFO] [stderr] 204 |           if let Err(_) = file.read_to_end(&mut content) {
[INFO] [stderr]     |  _________-      ^^^^^^
[INFO] [stderr] 205 | |             return None;
[INFO] [stderr] 206 | |         }
[INFO] [stderr]     | |_________- help: try this: `if file.read_to_end(&mut content).is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:236:12
[INFO] [stderr]     |
[INFO] [stderr] 236 |         if self.nodes.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.nodes.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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:305:31
[INFO] [stderr]     |
[INFO] [stderr] 305 |         result.outdistanced = (result.success as f64) < x_percent * (result.sentries as f64);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(result.success)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:305:69
[INFO] [stderr]     |
[INFO] [stderr] 305 |         result.outdistanced = (result.success as f64) < x_percent * (result.sentries as f64);
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(result.sentries)`
[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: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/lib.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 | /     fn lookup(
[INFO] [stderr] 341 | |         &self,
[INFO] [stderr] 342 | |         source: NodeId,
[INFO] [stderr] 343 | |         target: NodeId,
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |         }
[INFO] [stderr] 386 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_err()`
[INFO] [stderr]    --> src/lib.rs:204:16
[INFO] [stderr]     |
[INFO] [stderr] 204 |           if let Err(_) = file.read_to_end(&mut content) {
[INFO] [stderr]     |  _________-      ^^^^^^
[INFO] [stderr] 205 | |             return None;
[INFO] [stderr] 206 | |         }
[INFO] [stderr]     | |_________- help: try this: `if file.read_to_end(&mut content).is_err()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/lib.rs:236:12
[INFO] [stderr]     |
[INFO] [stderr] 236 |         if self.nodes.len() > 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.nodes.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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:305:31
[INFO] [stderr]     |
[INFO] [stderr] 305 |         result.outdistanced = (result.success as f64) < x_percent * (result.sentries as f64);
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(result.success)`
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:305:69
[INFO] [stderr]     |
[INFO] [stderr] 305 |         result.outdistanced = (result.success as f64) < x_percent * (result.sentries as f64);
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(result.sentries)`
[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: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/lib.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 | /     fn lookup(
[INFO] [stderr] 341 | |         &self,
[INFO] [stderr] 342 | |         source: NodeId,
[INFO] [stderr] 343 | |         target: NodeId,
[INFO] [stderr] ...   |
[INFO] [stderr] 385 | |         }
[INFO] [stderr] 386 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 30
[INFO] [stderr]    --> src/lib.rs:531:5
[INFO] [stderr]     |
[INFO] [stderr] 531 | /     fn node_tests() {
[INFO] [stderr] 532 | |         // Correct node id
[INFO] [stderr] 533 | |         assert_eq!(*Node::new(1).id(), 1);
[INFO] [stderr] 534 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 586 | |         assert!(node2.has_link_from(&node1));
[INFO] [stderr] 587 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 112
[INFO] [stderr]    --> src/lib.rs:591:5
[INFO] [stderr]     |
[INFO] [stderr] 591 | /     fn wot_tests() {
[INFO] [stderr] 592 | |         let mut wot = WebOfTrust::new(3);
[INFO] [stderr] 593 | |
[INFO] [stderr] 594 | |         // should have an initial size of 0
[INFO] [stderr] ...   |
[INFO] [stderr] 825 | |
[INFO] [stderr] 826 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `"docker" "inspect" "22efb4dfb00ead24e8f7fd9897e09493f40ae16ba3bdeafd88a6d58203793d0f"`
[INFO] running `"docker" "rm" "-f" "22efb4dfb00ead24e8f7fd9897e09493f40ae16ba3bdeafd88a6d58203793d0f"`
[INFO] [stdout] 22efb4dfb00ead24e8f7fd9897e09493f40ae16ba3bdeafd88a6d58203793d0f