[INFO] updating cached repository yytian/bignum
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yytian/bignum
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yytian/bignum" "work/ex/clippy-test-run/sources/stable/gh/yytian/bignum"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/yytian/bignum'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yytian/bignum" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yytian/bignum"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yytian/bignum'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37c385fe34cf457179194f70f21eaf3fcb5da381
[INFO] sha for GitHub repo yytian/bignum: 37c385fe34cf457179194f70f21eaf3fcb5da381
[INFO] validating manifest of yytian/bignum 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 yytian/bignum 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 yytian/bignum
[INFO] finished frobbing yytian/bignum
[INFO] frobbed toml for yytian/bignum written to work/ex/clippy-test-run/sources/stable/gh/yytian/bignum/Cargo.toml
[INFO] started frobbing yytian/bignum
[INFO] finished frobbing yytian/bignum
[INFO] frobbed toml for yytian/bignum written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/yytian/bignum/Cargo.toml
[INFO] crate yytian/bignum has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting yytian/bignum 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/gh/yytian/bignum:/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] bf450e1a3d3882d908c2554d07adaf018ee8c4fb70a7ba6a6c1da38ed2d51165
[INFO] running `"docker" "start" "-a" "bf450e1a3d3882d908c2554d07adaf018ee8c4fb70a7ba6a6c1da38ed2d51165"`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking num_cpus v1.1.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking bignum v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/types.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             parts: parts,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `parts`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/types.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             parts: parts,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `parts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/basic_ops.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         sign: sign,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `sign`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/karatsuba.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         sign: sign,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `sign`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let m = divide_round_up(cmp::max(p, q), 2);
[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/karatsuba.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut c;
[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/karatsuba.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let 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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut e;
[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/karatsuba.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let m = divide_round_up(cmp::max(p, q), 2);
[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/karatsuba.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut c;
[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/karatsuba.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let 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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut e;
[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: long literal lacking separators
[INFO] [stderr]   --> src/types.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const BASE: u32 = 2000000000;
[INFO] [stderr]    |                       ^^^^^^^^^^ help: consider: `2_000_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/types.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub const BASE_STR: &'static str = "2000000000";
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic_ops.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/types.rs:65:14
[INFO] [stderr]    |
[INFO] [stderr] 65 |     for i in 1..max+1 {
[INFO] [stderr]    |              ^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/types.rs:76:27
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let result: u64 = (l_digit + r_digit + carry) as u64;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(l_digit + r_digit + carry)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/types.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for i in 1..min+1 {
[INFO] [stderr]     |              ^^^^^^^^ help: use: `1..=min`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/types.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |         for j in 1..max+1 {
[INFO] [stderr]     |                  ^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:121:31
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let result: u64 = (top_digit * bot_digit + carry) as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(top_digit * bot_digit + carry)`
[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/types.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             carry = carry / 10;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `carry /= 10`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:148:35
[INFO] [stderr]     |
[INFO] [stderr] 148 |     else if input_str.starts_with("-") {
[INFO] [stderr]     |                                   ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:175:34
[INFO] [stderr]     |
[INFO] [stderr] 175 |             carry = carry * 10 + digit as u64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: try: `u64::from(digit)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:178:46
[INFO] [stderr]     |
[INFO] [stderr] 178 |             next.push(digit_to_char((carry / BASE as u64) as u32));
[INFO] [stderr]     |                                              ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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/types.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             carry = carry % BASE as u64;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `carry %= BASE as u64`
[INFO] [stderr]     |
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |             carry = carry % BASE as u64;
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:31
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(product.parts[a_i + b_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:65
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a.parts[a_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:87
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b.parts[b_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:191:30
[INFO] [stderr]     |
[INFO] [stderr] 191 |             carry = result / BASE as u64;
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:192:50
[INFO] [stderr]     |
[INFO] [stderr] 192 |             product.parts[a_i + b_i] = (result % BASE as u64) as u32;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> tests/integration_test.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         parts: parts,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `parts`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/types.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |             parts: parts,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `parts`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/types.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             parts: parts,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `parts`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/basic_ops.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |         sign: sign,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `sign`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/karatsuba.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |         sign: sign,
[INFO] [stderr]    |         ^^^^^^^^^^ help: replace it with: `sign`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let m = divide_round_up(cmp::max(p, q), 2);
[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/karatsuba.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut c;
[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/karatsuba.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let 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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let mut e;
[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/karatsuba.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let m = divide_round_up(cmp::max(p, q), 2);
[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/karatsuba.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let mut c;
[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/karatsuba.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     let 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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/karatsuba.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut e;
[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: #[test] attribute should not be used on macros. Use #[cfg(test)] instead.
[INFO] [stderr]   --> tests/quickcheck.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | / quickcheck! {
[INFO] [stderr] 35 | |     fn long_mult_same_as_karatsuba(
[INFO] [stderr] 36 | |         parts1: Vec<u32>,
[INFO] [stderr] 37 | |         parts2: Vec<u32>,
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     }
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/nines.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bignum`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/types.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const BASE: u32 = 2000000000;
[INFO] [stderr]    |                       ^^^^^^^^^^ help: consider: `2_000_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/types.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub const BASE_STR: &'static str = "2000000000";
[INFO] [stderr]    |                     -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/basic_ops.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/types.rs:65:14
[INFO] [stderr]    |
[INFO] [stderr] 65 |     for i in 1..max+1 {
[INFO] [stderr]    |              ^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/types.rs:76:27
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let result: u64 = (l_digit + r_digit + carry) as u64;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(l_digit + r_digit + carry)`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/types.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     for i in 1..min+1 {
[INFO] [stderr]     |              ^^^^^^^^ help: use: `1..=min`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/types.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |         for j in 1..max+1 {
[INFO] [stderr]     |                  ^^^^^^^^ help: use: `1..=max`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:121:31
[INFO] [stderr]     |
[INFO] [stderr] 121 |             let result: u64 = (top_digit * bot_digit + carry) as u64;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(top_digit * bot_digit + carry)`
[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/types.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             carry = carry / 10;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `carry /= 10`
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/types.rs:148:35
[INFO] [stderr]     |
[INFO] [stderr] 148 |     else if input_str.starts_with("-") {
[INFO] [stderr]     |                                   ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:175:34
[INFO] [stderr]     |
[INFO] [stderr] 175 |             carry = carry * 10 + digit as u64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ help: try: `u64::from(digit)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:178:46
[INFO] [stderr]     |
[INFO] [stderr] 178 |             next.push(digit_to_char((carry / BASE as u64) as u32));
[INFO] [stderr]     |                                              ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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/types.rs:179:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             carry = carry % BASE as u64;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `carry %= BASE as u64`
[INFO] [stderr]     |
[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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/types.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 |             carry = carry % BASE as u64;
[INFO] [stderr]     |                             ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:31
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(product.parts[a_i + b_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:65
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a.parts[a_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:190:87
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let result: u64 = product.parts[a_i + b_i] as u64 + a.parts[a_i] as u64 * b.parts[b_i] as u64 + carry;
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b.parts[b_i])`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:191:30
[INFO] [stderr]     |
[INFO] [stderr] 191 |             carry = result / BASE as u64;
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/basic_ops.rs:192:50
[INFO] [stderr]     |
[INFO] [stderr] 192 |             product.parts[a_i + b_i] = (result % BASE as u64) as u32;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^ help: try: `u64::from(BASE)`
[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: build failed
[INFO] running `"docker" "inspect" "bf450e1a3d3882d908c2554d07adaf018ee8c4fb70a7ba6a6c1da38ed2d51165"`
[INFO] running `"docker" "rm" "-f" "bf450e1a3d3882d908c2554d07adaf018ee8c4fb70a7ba6a6c1da38ed2d51165"`
[INFO] [stdout] bf450e1a3d3882d908c2554d07adaf018ee8c4fb70a7ba6a6c1da38ed2d51165