[INFO] updating cached repository paulkernfeld/bfgs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paulkernfeld/bfgs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paulkernfeld/bfgs" "work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/bfgs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/bfgs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paulkernfeld/bfgs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/bfgs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/bfgs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1245df306706d52cafe5449de1ea0c91cfdbe34d
[INFO] sha for GitHub repo paulkernfeld/bfgs: 1245df306706d52cafe5449de1ea0c91cfdbe34d
[INFO] validating manifest of paulkernfeld/bfgs 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 paulkernfeld/bfgs 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 paulkernfeld/bfgs
[INFO] finished frobbing paulkernfeld/bfgs
[INFO] frobbed toml for paulkernfeld/bfgs written to work/ex/clippy-test-run/sources/stable/gh/paulkernfeld/bfgs/Cargo.toml
[INFO] started frobbing paulkernfeld/bfgs
[INFO] finished frobbing paulkernfeld/bfgs
[INFO] frobbed toml for paulkernfeld/bfgs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/paulkernfeld/bfgs/Cargo.toml
[INFO] crate paulkernfeld/bfgs 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 paulkernfeld/bfgs 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/gh/paulkernfeld/bfgs:/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] 9c18adbde3ef09c54e296d7d2291b244e29ad368b0bf9e801c16b703ebfae651
[INFO] running `"docker" "start" "-a" "9c18adbde3ef09c54e296d7d2291b244e29ad368b0bf9e801c16b703ebfae651"`
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking bfgs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let y: Array2<f64> = (&g_x - &g_x_old).into_shape((p, 1)).expect("y into_shape failed");
[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/lib.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let s: Array2<f64> = (epsilon * search_dir).into_shape((p, 1)).expect("s into_shape failed");
[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/lib.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |         let y: Array2<f64> = (&g_x - &g_x_old).into_shape((p, 1)).expect("y into_shape failed");
[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/lib.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let s: Array2<f64> = (epsilon * search_dir).into_shape((p, 1)).expect("s into_shape failed");
[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[E0463]: can't find crate for `alloc_system`
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | extern crate alloc_system;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bfgs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `alloc_system`
[INFO] [stderr]   --> src/lib.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | extern crate alloc_system;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bfgs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c18adbde3ef09c54e296d7d2291b244e29ad368b0bf9e801c16b703ebfae651"`
[INFO] running `"docker" "rm" "-f" "9c18adbde3ef09c54e296d7d2291b244e29ad368b0bf9e801c16b703ebfae651"`
[INFO] [stdout] 9c18adbde3ef09c54e296d7d2291b244e29ad368b0bf9e801c16b703ebfae651