[INFO] crate un_algebra 0.1.6 is already in cache
[INFO] extracting crate un_algebra 0.1.6 into work/ex/clippy-test-run/sources/stable/reg/un_algebra/0.1.6
[INFO] extracting crate un_algebra 0.1.6 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/un_algebra/0.1.6
[INFO] validating manifest of un_algebra-0.1.6 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 un_algebra-0.1.6 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 un_algebra-0.1.6
[INFO] finished frobbing un_algebra-0.1.6
[INFO] frobbed toml for un_algebra-0.1.6 written to work/ex/clippy-test-run/sources/stable/reg/un_algebra/0.1.6/Cargo.toml
[INFO] started frobbing un_algebra-0.1.6
[INFO] finished frobbing un_algebra-0.1.6
[INFO] frobbed toml for un_algebra-0.1.6 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/un_algebra/0.1.6/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 un_algebra-0.1.6 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/un_algebra/0.1.6:/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] d77947ae87b2447673b28c705d7b832a393b29fbcc8f6d2cceed184af73a6c24
[INFO] running `"docker" "start" "-a" "d77947ae87b2447673b28c705d7b832a393b29fbcc8f6d2cceed184af73a6c24"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking wait-timeout v0.1.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking rusty-fork v0.2.1
[INFO] [stderr]     Checking proptest v0.8.7
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking un_algebra v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/numeric/equal.rs:189:25
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:189:28
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:197:28
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:205:28
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:213:28
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/magma.rs:86:25
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/magma.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:215:28
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:234:25
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:234:28
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:325:25
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:325:28
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:333:25
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:333:28
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:358:25
[INFO] [stderr]     |
[INFO] [stderr] 358 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:366:25
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:366:28
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:189:25
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:189:28
[INFO] [stderr]     |
[INFO] [stderr] 189 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:197:25
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:197:28
[INFO] [stderr]     |
[INFO] [stderr] 197 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:205:25
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:205:28
[INFO] [stderr]     |
[INFO] [stderr] 205 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:213:25
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/numeric/equal.rs:213:28
[INFO] [stderr]     |
[INFO] [stderr] 213 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/magma.rs:86:25
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/magma.rs:86:28
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:215:25
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:215:28
[INFO] [stderr]     |
[INFO] [stderr] 215 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:232:25
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/add_magma.rs:232:28
[INFO] [stderr]     |
[INFO] [stderr] 232 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:217:25
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:217:28
[INFO] [stderr]     |
[INFO] [stderr] 217 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:234:25
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/magma/mul_magma.rs:234:28
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:325:25
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:325:28
[INFO] [stderr]     |
[INFO] [stderr] 325 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:333:25
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:333:28
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:358:25
[INFO] [stderr]     |
[INFO] [stderr] 358 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:358:28
[INFO] [stderr]     |
[INFO] [stderr] 358 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:366:25
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let ((a, b, c), (x, y, z)) = (self, other);
[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/quasigroup/quasigroup.rs:366:28
[INFO] [stderr]     |
[INFO] [stderr] 366 |     let ((a, b, c), (x, y, z)) = (self, other);
[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] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(external_doc)]
[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 `un_algebra`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(external_doc)]
[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 `un_algebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d77947ae87b2447673b28c705d7b832a393b29fbcc8f6d2cceed184af73a6c24"`
[INFO] running `"docker" "rm" "-f" "d77947ae87b2447673b28c705d7b832a393b29fbcc8f6d2cceed184af73a6c24"`
[INFO] [stdout] d77947ae87b2447673b28c705d7b832a393b29fbcc8f6d2cceed184af73a6c24