Dec 12 16:22:35.412 INFO checking constrained-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 16:22:35.412 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 16:22:35.656 INFO [stdout] 62a4fe21989115cba8bb56879a3c1a75cf7a58b810123d50f1e97b12002d9bc9
Dec 12 16:22:35.658 INFO running `"docker" "start" "-a" "62a4fe21989115cba8bb56879a3c1a75cf7a58b810123d50f1e97b12002d9bc9"`
Dec 12 16:22:36.524 INFO [stderr] usermod: no changes
Dec 12 16:22:36.594 INFO [stderr]     Checking dense_mats v0.4.0
Dec 12 16:22:38.443 INFO [stderr]     Checking sprs v0.3.3
Dec 12 16:22:40.912 INFO [stderr]     Checking constrained v0.1.0 (/source)
Dec 12 16:22:42.560 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 16:22:42.560 INFO [stderr]    --> src/lib.rs:297:35
Dec 12 16:22:42.560 INFO [stderr]     |
Dec 12 16:22:42.560 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 12 16:22:42.560 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 16:22:42.560 INFO [stderr]     |
Dec 12 16:22:42.560 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 16:22:42.560 INFO [stderr] 
Dec 12 16:22:42.734 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 12 16:22:42.734 INFO [stderr]    --> src/lib.rs:297:35
Dec 12 16:22:42.734 INFO [stderr]     |
Dec 12 16:22:42.734 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 12 16:22:42.734 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 12 16:22:42.734 INFO [stderr]     |
Dec 12 16:22:42.734 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 16:22:42.734 INFO [stderr] 
Dec 12 16:22:42.744 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 12 16:22:42.744 INFO [stderr]  --> src/lib.rs:5:5
Dec 12 16:22:42.744 INFO [stderr]   |
Dec 12 16:22:42.744 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 12 16:22:42.744 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:42.744 INFO [stderr]   |
Dec 12 16:22:42.744 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:22:42.744 INFO [stderr] 
Dec 12 16:22:42.744 INFO [stderr] warning: unused import: `One`
Dec 12 16:22:42.744 INFO [stderr]   --> src/lib.rs:19:11
Dec 12 16:22:42.744 INFO [stderr]    |
Dec 12 16:22:42.744 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 12 16:22:42.744 INFO [stderr]    |           ^^^
Dec 12 16:22:42.744 INFO [stderr] 
Dec 12 16:22:42.756 INFO [stderr] warning: value assigned to `lower` is never read
Dec 12 16:22:42.756 INFO [stderr]    --> src/lib.rs:373:17
Dec 12 16:22:42.756 INFO [stderr]     |
Dec 12 16:22:42.756 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 12 16:22:42.756 INFO [stderr]     |                 ^^^^^
Dec 12 16:22:42.756 INFO [stderr]     |
Dec 12 16:22:42.756 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 12 16:22:42.756 INFO [stderr] 
Dec 12 16:22:42.842 INFO [stderr] warning: function is never used: `from_iter`
Dec 12 16:22:42.842 INFO [stderr]    --> src/lib.rs:121:1
Dec 12 16:22:42.842 INFO [stderr]     |
Dec 12 16:22:42.842 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 12 16:22:42.842 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:42.842 INFO [stderr]     |
Dec 12 16:22:42.842 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 16:22:42.842 INFO [stderr] 
Dec 12 16:22:42.986 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 12 16:22:42.986 INFO [stderr]  --> src/lib.rs:5:5
Dec 12 16:22:42.986 INFO [stderr]   |
Dec 12 16:22:42.986 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 12 16:22:42.986 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:42.986 INFO [stderr]   |
Dec 12 16:22:42.986 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 16:22:42.986 INFO [stderr] 
Dec 12 16:22:42.986 INFO [stderr] warning: unused import: `One`
Dec 12 16:22:42.986 INFO [stderr]   --> src/lib.rs:19:11
Dec 12 16:22:42.986 INFO [stderr]    |
Dec 12 16:22:42.986 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 12 16:22:42.986 INFO [stderr]    |           ^^^
Dec 12 16:22:42.986 INFO [stderr] 
Dec 12 16:22:43.007 INFO [stderr] warning: value assigned to `lower` is never read
Dec 12 16:22:43.007 INFO [stderr]    --> src/lib.rs:373:17
Dec 12 16:22:43.007 INFO [stderr]     |
Dec 12 16:22:43.007 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 12 16:22:43.007 INFO [stderr]     |                 ^^^^^
Dec 12 16:22:43.007 INFO [stderr]     |
Dec 12 16:22:43.007 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 12 16:22:43.007 INFO [stderr] 
Dec 12 16:22:43.110 INFO [stderr] warning: function is never used: `from_iter`
Dec 12 16:22:43.110 INFO [stderr]    --> src/lib.rs:121:1
Dec 12 16:22:43.110 INFO [stderr]     |
Dec 12 16:22:43.110 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 12 16:22:43.110 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:22:43.110 INFO [stderr]     |
Dec 12 16:22:43.110 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 16:22:43.110 INFO [stderr] 
Dec 12 16:22:43.149 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
Dec 12 16:22:43.155 INFO [stderr] su: No module specific data is present
Dec 12 16:22:43.716 INFO running `"docker" "inspect" "62a4fe21989115cba8bb56879a3c1a75cf7a58b810123d50f1e97b12002d9bc9"`
Dec 12 16:22:43.954 INFO running `"docker" "rm" "-f" "62a4fe21989115cba8bb56879a3c1a75cf7a58b810123d50f1e97b12002d9bc9"`
Dec 12 16:22:44.226 INFO [stdout] 62a4fe21989115cba8bb56879a3c1a75cf7a58b810123d50f1e97b12002d9bc9