[INFO] crate fpe 0.1.0 is already in cache
[INFO] extracting crate fpe 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/fpe/0.1.0
[INFO] extracting crate fpe 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fpe/0.1.0
[INFO] validating manifest of fpe-0.1.0 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 fpe-0.1.0 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 fpe-0.1.0
[INFO] finished frobbing fpe-0.1.0
[INFO] frobbed toml for fpe-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/fpe/0.1.0/Cargo.toml
[INFO] started frobbing fpe-0.1.0
[INFO] finished frobbing fpe-0.1.0
[INFO] frobbed toml for fpe-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fpe/0.1.0/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 fpe-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/fpe/0.1.0:/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] 12e7bf1030a00755b489d4bc2b26467f12c36595f94dd2b6a35529fe8a1cca9d
[INFO] running `"docker" "start" "-a" "12e7bf1030a00755b489d4bc2b26467f12c36595f94dd2b6a35529fe8a1cca9d"`
[INFO] [stderr]     Checking aes-soft v0.2.0
[INFO] [stderr]     Checking aes v0.2.0
[INFO] [stderr]     Checking fpe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let v = n - u;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:334:13
[INFO] [stderr]     |
[INFO] [stderr] 334 |         let b = self.radix.calculate_b(v);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:337:13
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let d = 4 * ((b + 3) / 4) + 4;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 |         let mut p = vec![1, 2, 1];
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:350:21
[INFO] [stderr]     |
[INFO] [stderr] 350 |             let mut q = Vec::from(tweak);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |             let mut q = q_base.clone();
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:364:17
[INFO] [stderr]     |
[INFO] [stderr] 364 |             let r = self.prf(&[&p[..], &q[..]].concat());
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:367:17
[INFO] [stderr]     |
[INFO] [stderr] 367 |             let s = generate_s(&self.ciph, &r[..], d);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 |             let y = BigUint::from_bytes_be(&s);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 13th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:373:17
[INFO] [stderr]     |
[INFO] [stderr] 373 |             let m = if i % 2 == 0 { u } else { v };
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 14th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 |             let c = (x_a.num_radix(&self.radix_bi) + y) % pow(&self.radix_bi, m);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |         let v = n - u;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |         let b = self.radix.calculate_b(v);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:414:13
[INFO] [stderr]     |
[INFO] [stderr] 414 |         let d = 4 * ((b + 3) / 4) + 4;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:417:17
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let mut p = vec![1, 2, 1];
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:427:21
[INFO] [stderr]     |
[INFO] [stderr] 427 |             let mut q = Vec::from(tweak);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:432:17
[INFO] [stderr]     |
[INFO] [stderr] 432 |             let i = 9 - i;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:433:21
[INFO] [stderr]     |
[INFO] [stderr] 433 |             let mut q = q_base.clone();
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:442:17
[INFO] [stderr]     |
[INFO] [stderr] 442 |             let r = self.prf(&[&p[..], &q[..]].concat());
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:445:17
[INFO] [stderr]     |
[INFO] [stderr] 445 |             let s = generate_s(&self.ciph, &r[..], d);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 13th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:448:17
[INFO] [stderr]     |
[INFO] [stderr] 448 |             let y = BigInt::from(BigUint::from_bytes_be(&s));
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 14th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let m = if i % 2 == 0 { u } else { v };
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 15th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:455:21
[INFO] [stderr]     |
[INFO] [stderr] 455 |             let mut c = (BigInt::from(x_b.num_radix(&self.radix_bi)) - y) % &modulus;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |         let v = n - u;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:334:13
[INFO] [stderr]     |
[INFO] [stderr] 334 |         let b = self.radix.calculate_b(v);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:337:13
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let d = 4 * ((b + 3) / 4) + 4;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:340:17
[INFO] [stderr]     |
[INFO] [stderr] 340 |         let mut p = vec![1, 2, 1];
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:350:21
[INFO] [stderr]     |
[INFO] [stderr] 350 |             let mut q = Vec::from(tweak);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:355:21
[INFO] [stderr]     |
[INFO] [stderr] 355 |             let mut q = q_base.clone();
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:364:17
[INFO] [stderr]     |
[INFO] [stderr] 364 |             let r = self.prf(&[&p[..], &q[..]].concat());
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:367:17
[INFO] [stderr]     |
[INFO] [stderr] 367 |             let s = generate_s(&self.ciph, &r[..], d);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:370:17
[INFO] [stderr]     |
[INFO] [stderr] 370 |             let y = BigUint::from_bytes_be(&s);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 13th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:373:17
[INFO] [stderr]     |
[INFO] [stderr] 373 |             let m = if i % 2 == 0 { u } else { v };
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 14th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 |             let c = (x_a.num_radix(&self.radix_bi) + y) % pow(&self.radix_bi, m);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 405 |         let v = n - u;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |         let b = self.radix.calculate_b(v);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:414:13
[INFO] [stderr]     |
[INFO] [stderr] 414 |         let d = 4 * ((b + 3) / 4) + 4;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:417:17
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let mut p = vec![1, 2, 1];
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:427:21
[INFO] [stderr]     |
[INFO] [stderr] 427 |             let mut q = Vec::from(tweak);
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:432:17
[INFO] [stderr]     |
[INFO] [stderr] 432 |             let i = 9 - i;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:433:21
[INFO] [stderr]     |
[INFO] [stderr] 433 |             let mut q = q_base.clone();
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:442:17
[INFO] [stderr]     |
[INFO] [stderr] 442 |             let r = self.prf(&[&p[..], &q[..]].concat());
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:445:17
[INFO] [stderr]     |
[INFO] [stderr] 445 |             let s = generate_s(&self.ciph, &r[..], d);
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 13th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:448:17
[INFO] [stderr]     |
[INFO] [stderr] 448 |             let y = BigInt::from(BigUint::from_bytes_be(&s));
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 14th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:451:17
[INFO] [stderr]     |
[INFO] [stderr] 451 |             let m = if i % 2 == 0 { u } else { v };
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 15th binding whose name is just one char
[INFO] [stderr]    --> src/ff1.rs:455:21
[INFO] [stderr]     |
[INFO] [stderr] 455 |             let mut c = (BigInt::from(x_b.num_radix(&self.radix_bi)) - y) % &modulus;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/ff1.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 radix: _,
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `PowerTwo { log_radix, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/ff1.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 log_radix: _,
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Try with `PowerTwo { radix, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/ff1.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | /         match self {
[INFO] [stderr] 53 | |             &Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr] 54 | |             &Radix::PowerTwo {
[INFO] [stderr] 55 | |                 radix: _,
[INFO] [stderr] 56 | |                 log_radix,
[INFO] [stderr] 57 | |             } => ((v * log_radix as usize) + 7) / 8,
[INFO] [stderr] 58 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 52 |         match *self {
[INFO] [stderr] 53 |             Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr] 54 |             Radix::PowerTwo {
[INFO] [stderr] 55 |                 radix: _,
[INFO] [stderr] 56 |                 log_radix,
[INFO] [stderr] 57 |             } => ((v * log_radix as usize) + 7) / 8,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/ff1.rs:53:43
[INFO] [stderr]    |
[INFO] [stderr] 53 |             &Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: try: `f64::from(r)`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/ff1.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         match self {
[INFO] [stderr] 67 | |             &Radix::Any(r) => r,
[INFO] [stderr] 68 | |             &Radix::PowerTwo {
[INFO] [stderr] 69 | |                 radix,
[INFO] [stderr] 70 | |                 log_radix: _,
[INFO] [stderr] 71 | |             } => radix,
[INFO] [stderr] 72 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 66 |         match *self {
[INFO] [stderr] 67 |             Radix::Any(r) => r,
[INFO] [stderr] 68 |             Radix::PowerTwo {
[INFO] [stderr] 69 |                 radix,
[INFO] [stderr] 70 |                 log_radix: _,
[INFO] [stderr] 71 |             } => radix,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait `NumeralString` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/ff1.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | / pub trait NumeralString: Sized {
[INFO] [stderr] 78 | |     /// Returns whether this numeral string is valid for the base radix.
[INFO] [stderr] 79 | |     fn is_valid(&self, radix: u32) -> bool;
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 98 | |     fn str_radix(x: BigUint, radix: &BigUint, m: usize) -> Self;
[INFO] [stderr] 99 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/ff1.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |               .iter()
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 120 | |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     | |______________________________________________________________^ help: try: `.all(|n| ((*n as u32) < radix))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/ff1.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `u32::from(*n)`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/ff1.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             x = x / radix;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `x /= radix`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/ff1.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |               .iter()
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 200 | |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     | |______________________________________________________________^ help: try: `.all(|n| ((*n as u32) < radix))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/ff1.rs:200:42
[INFO] [stderr]     |
[INFO] [stderr] 200 |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `u32::from(*n)`
[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 matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/ff1.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 radix: _,
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `PowerTwo { log_radix, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/ff1.rs:70:17
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 log_radix: _,
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Try with `PowerTwo { radix, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/ff1.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 | /         match self {
[INFO] [stderr] 53 | |             &Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr] 54 | |             &Radix::PowerTwo {
[INFO] [stderr] 55 | |                 radix: _,
[INFO] [stderr] 56 | |                 log_radix,
[INFO] [stderr] 57 | |             } => ((v * log_radix as usize) + 7) / 8,
[INFO] [stderr] 58 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 52 |         match *self {
[INFO] [stderr] 53 |             Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr] 54 |             Radix::PowerTwo {
[INFO] [stderr] 55 |                 radix: _,
[INFO] [stderr] 56 |                 log_radix,
[INFO] [stderr] 57 |             } => ((v * log_radix as usize) + 7) / 8,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/ff1.rs:53:43
[INFO] [stderr]    |
[INFO] [stderr] 53 |             &Radix::Any(r) => (v as f64 * (r as f64).log2() / 8f64).ceil() as usize,
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: try: `f64::from(r)`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/ff1.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 | /         match self {
[INFO] [stderr] 67 | |             &Radix::Any(r) => r,
[INFO] [stderr] 68 | |             &Radix::PowerTwo {
[INFO] [stderr] 69 | |                 radix,
[INFO] [stderr] 70 | |                 log_radix: _,
[INFO] [stderr] 71 | |             } => radix,
[INFO] [stderr] 72 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 66 |         match *self {
[INFO] [stderr] 67 |             Radix::Any(r) => r,
[INFO] [stderr] 68 |             Radix::PowerTwo {
[INFO] [stderr] 69 |                 radix,
[INFO] [stderr] 70 |                 log_radix: _,
[INFO] [stderr] 71 |             } => radix,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait `NumeralString` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/ff1.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | / pub trait NumeralString: Sized {
[INFO] [stderr] 78 | |     /// Returns whether this numeral string is valid for the base radix.
[INFO] [stderr] 79 | |     fn is_valid(&self, radix: u32) -> bool;
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 98 | |     fn str_radix(x: BigUint, radix: &BigUint, m: usize) -> Self;
[INFO] [stderr] 99 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/ff1.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |               .iter()
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 120 | |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     | |______________________________________________________________^ help: try: `.all(|n| ((*n as u32) < radix))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/ff1.rs:120:42
[INFO] [stderr]     |
[INFO] [stderr] 120 |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `u32::from(*n)`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/ff1.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             x = x / radix;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: replace it with: `x /= radix`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/ff1.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |               .iter()
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 200 | |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     | |______________________________________________________________^ help: try: `.all(|n| ((*n as u32) < radix))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/ff1.rs:200:42
[INFO] [stderr]     |
[INFO] [stderr] 200 |             .fold(true, |acc, n| acc && ((*n as u32) < radix))
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `u32::from(*n)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `"docker" "inspect" "12e7bf1030a00755b489d4bc2b26467f12c36595f94dd2b6a35529fe8a1cca9d"`
[INFO] running `"docker" "rm" "-f" "12e7bf1030a00755b489d4bc2b26467f12c36595f94dd2b6a35529fe8a1cca9d"`
[INFO] [stdout] 12e7bf1030a00755b489d4bc2b26467f12c36595f94dd2b6a35529fe8a1cca9d