Dec 12 16:22:35.129 INFO checking constrained-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:22:35.129 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 16:22:35.484 INFO [stdout] 11fd9a30b0e66986ca6b21deb93b478555ebdb49058caf6e0ebbe5e0cce75ea2
Dec 12 16:22:35.486 INFO running `"docker" "start" "-a" "11fd9a30b0e66986ca6b21deb93b478555ebdb49058caf6e0ebbe5e0cce75ea2"`
Dec 12 16:22:36.611 INFO [stderr] usermod: no changes
Dec 12 16:22:36.674 INFO [stderr]     Checking dense_mats v0.4.0
Dec 12 16:22:38.631 INFO [stderr]     Checking sprs v0.3.3
Dec 12 16:22:41.012 INFO [stderr]     Checking constrained v0.1.0 (/source)
Dec 12 16:22:42.800 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 16:22:42.800 INFO [stderr]    --> src/lib.rs:297:35
Dec 12 16:22:42.800 INFO [stderr]     |
Dec 12 16:22:42.800 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 12 16:22:42.800 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 16:22:42.800 INFO [stderr]     |
Dec 12 16:22:42.800 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 16:22:42.800 INFO [stderr] 
Dec 12 16:22:42.956 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 12 16:22:42.956 INFO [stderr]  --> src/lib.rs:5:5
Dec 12 16:22:42.956 INFO [stderr]   |
Dec 12 16:22:42.956 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 12 16:22:42.956 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:42.956 INFO [stderr]   |
Dec 12 16:22:42.956 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:22:42.956 INFO [stderr] 
Dec 12 16:22:42.956 INFO [stderr] warning: unused import: `One`
Dec 12 16:22:42.956 INFO [stderr]   --> src/lib.rs:19:11
Dec 12 16:22:42.956 INFO [stderr]    |
Dec 12 16:22:42.969 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 12 16:22:42.969 INFO [stderr]    |           ^^^
Dec 12 16:22:42.969 INFO [stderr] 
Dec 12 16:22:42.984 INFO [stderr] warning: value assigned to `lower` is never read
Dec 12 16:22:42.984 INFO [stderr]    --> src/lib.rs:373:17
Dec 12 16:22:42.984 INFO [stderr]     |
Dec 12 16:22:42.984 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 12 16:22:42.984 INFO [stderr]     |                 ^^^^^
Dec 12 16:22:42.984 INFO [stderr]     |
Dec 12 16:22:42.984 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 12 16:22:42.984 INFO [stderr] 
Dec 12 16:22:43.124 INFO [stderr] warning: function is never used: `from_iter`
Dec 12 16:22:43.124 INFO [stderr]    --> src/lib.rs:121:1
Dec 12 16:22:43.124 INFO [stderr]     |
Dec 12 16:22:43.124 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 12 16:22:43.124 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:43.124 INFO [stderr]     |
Dec 12 16:22:43.124 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 16:22:43.124 INFO [stderr] 
Dec 12 16:22:43.148 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 16:22:43.148 INFO [stderr]    --> src/lib.rs:297:35
Dec 12 16:22:43.148 INFO [stderr]     |
Dec 12 16:22:43.148 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 12 16:22:43.148 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 16:22:43.148 INFO [stderr]     |
Dec 12 16:22:43.148 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 16:22:43.148 INFO [stderr] 
Dec 12 16:22:43.328 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 12 16:22:43.328 INFO [stderr]  --> src/lib.rs:5:5
Dec 12 16:22:43.328 INFO [stderr]   |
Dec 12 16:22:43.328 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 12 16:22:43.328 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:43.328 INFO [stderr]   |
Dec 12 16:22:43.328 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:22:43.328 INFO [stderr] 
Dec 12 16:22:43.328 INFO [stderr] warning: unused import: `One`
Dec 12 16:22:43.328 INFO [stderr]   --> src/lib.rs:19:11
Dec 12 16:22:43.328 INFO [stderr]    |
Dec 12 16:22:43.328 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 12 16:22:43.328 INFO [stderr]    |           ^^^
Dec 12 16:22:43.328 INFO [stderr] 
Dec 12 16:22:43.341 INFO [stderr] warning: value assigned to `lower` is never read
Dec 12 16:22:43.341 INFO [stderr]    --> src/lib.rs:373:17
Dec 12 16:22:43.341 INFO [stderr]     |
Dec 12 16:22:43.341 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 12 16:22:43.341 INFO [stderr]     |                 ^^^^^
Dec 12 16:22:43.341 INFO [stderr]     |
Dec 12 16:22:43.341 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 12 16:22:43.341 INFO [stderr] 
Dec 12 16:22:43.416 INFO [stderr] warning: function is never used: `from_iter`
Dec 12 16:22:43.416 INFO [stderr]    --> src/lib.rs:121:1
Dec 12 16:22:43.416 INFO [stderr]     |
Dec 12 16:22:43.416 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 12 16:22:43.416 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:43.416 INFO [stderr]     |
Dec 12 16:22:43.416 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 16:22:43.416 INFO [stderr] 
Dec 12 16:22:43.450 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Dec 12 16:22:43.460 INFO [stderr] su: No module specific data is present
Dec 12 16:22:43.937 INFO running `"docker" "inspect" "11fd9a30b0e66986ca6b21deb93b478555ebdb49058caf6e0ebbe5e0cce75ea2"`
Dec 12 16:22:44.272 INFO running `"docker" "rm" "-f" "11fd9a30b0e66986ca6b21deb93b478555ebdb49058caf6e0ebbe5e0cce75ea2"`
Dec 12 16:22:44.569 INFO [stdout] 11fd9a30b0e66986ca6b21deb93b478555ebdb49058caf6e0ebbe5e0cce75ea2