Dec 18 17:22:59.331 INFO checking constrained-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:22:59.331 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/constrained/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:22:59.541 INFO [stdout] 5beced8c4bd1a7a7e7c6aec029d71ed5b75416ddd2d6beace316b82b1a6bbdfd
Dec 18 17:22:59.546 INFO running `"docker" "start" "-a" "5beced8c4bd1a7a7e7c6aec029d71ed5b75416ddd2d6beace316b82b1a6bbdfd"`
Dec 18 17:23:00.223 INFO [stderr]     Checking dense_mats v0.4.0
Dec 18 17:23:01.288 INFO [stderr]     Checking sprs v0.3.3
Dec 18 17:23:02.966 INFO [stderr]     Checking constrained v0.1.0 (/opt/crater/workdir)
Dec 18 17:23:03.556 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 17:23:03.556 INFO [stderr]    --> src/lib.rs:297:35
Dec 18 17:23:03.556 INFO [stderr]     |
Dec 18 17:23:03.556 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 18 17:23:03.556 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 17:23:03.556 INFO [stderr]     |
Dec 18 17:23:03.556 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 17:23:03.556 INFO [stderr] 
Dec 18 17:23:03.564 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 17:23:03.564 INFO [stderr]    --> src/lib.rs:297:35
Dec 18 17:23:03.564 INFO [stderr]     |
Dec 18 17:23:03.564 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 18 17:23:03.564 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 17:23:03.564 INFO [stderr]     |
Dec 18 17:23:03.564 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 17:23:03.564 INFO [stderr] 
Dec 18 17:23:03.802 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 18 17:23:03.802 INFO [stderr]  --> src/lib.rs:5:5
Dec 18 17:23:03.802 INFO [stderr]   |
Dec 18 17:23:03.802 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 18 17:23:03.802 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:03.802 INFO [stderr]   |
Dec 18 17:23:03.802 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:23:03.802 INFO [stderr] 
Dec 18 17:23:03.805 INFO [stderr] warning: unused import: `One`
Dec 18 17:23:03.805 INFO [stderr]   --> src/lib.rs:19:11
Dec 18 17:23:03.805 INFO [stderr]    |
Dec 18 17:23:03.805 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 18 17:23:03.805 INFO [stderr]    |           ^^^
Dec 18 17:23:03.805 INFO [stderr] 
Dec 18 17:23:03.812 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 18 17:23:03.812 INFO [stderr]  --> src/lib.rs:5:5
Dec 18 17:23:03.812 INFO [stderr]   |
Dec 18 17:23:03.812 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 18 17:23:03.812 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:03.812 INFO [stderr]   |
Dec 18 17:23:03.812 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:23:03.812 INFO [stderr] 
Dec 18 17:23:03.812 INFO [stderr] warning: unused import: `One`
Dec 18 17:23:03.812 INFO [stderr]   --> src/lib.rs:19:11
Dec 18 17:23:03.812 INFO [stderr]    |
Dec 18 17:23:03.812 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 18 17:23:03.812 INFO [stderr]    |           ^^^
Dec 18 17:23:03.812 INFO [stderr] 
Dec 18 17:23:03.833 INFO [stderr] warning: value assigned to `lower` is never read
Dec 18 17:23:03.833 INFO [stderr]    --> src/lib.rs:373:17
Dec 18 17:23:03.833 INFO [stderr]     |
Dec 18 17:23:03.833 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 18 17:23:03.833 INFO [stderr]     |                 ^^^^^
Dec 18 17:23:03.833 INFO [stderr]     |
Dec 18 17:23:03.833 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 17:23:03.833 INFO [stderr] 
Dec 18 17:23:03.849 INFO [stderr] warning: value assigned to `lower` is never read
Dec 18 17:23:03.849 INFO [stderr]    --> src/lib.rs:373:17
Dec 18 17:23:03.849 INFO [stderr]     |
Dec 18 17:23:03.849 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 18 17:23:03.849 INFO [stderr]     |                 ^^^^^
Dec 18 17:23:03.849 INFO [stderr]     |
Dec 18 17:23:03.849 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 17:23:03.849 INFO [stderr] 
Dec 18 17:23:03.932 INFO [stderr] warning: function is never used: `from_iter`
Dec 18 17:23:03.932 INFO [stderr]    --> src/lib.rs:121:1
Dec 18 17:23:03.932 INFO [stderr]     |
Dec 18 17:23:03.932 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 18 17:23:03.932 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:03.932 INFO [stderr]     |
Dec 18 17:23:03.932 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 17:23:03.932 INFO [stderr] 
Dec 18 17:23:03.964 INFO [stderr] warning: function is never used: `from_iter`
Dec 18 17:23:03.964 INFO [stderr]    --> src/lib.rs:121:1
Dec 18 17:23:03.964 INFO [stderr]     |
Dec 18 17:23:03.964 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 18 17:23:03.964 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:03.964 INFO [stderr]     |
Dec 18 17:23:03.964 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 17:23:03.964 INFO [stderr] 
Dec 18 17:23:04.056 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
Dec 18 17:23:04.810 INFO running `"docker" "inspect" "5beced8c4bd1a7a7e7c6aec029d71ed5b75416ddd2d6beace316b82b1a6bbdfd"`
Dec 18 17:23:05.172 INFO running `"docker" "rm" "-f" "5beced8c4bd1a7a7e7c6aec029d71ed5b75416ddd2d6beace316b82b1a6bbdfd"`
Dec 18 17:23:05.484 INFO [stdout] 5beced8c4bd1a7a7e7c6aec029d71ed5b75416ddd2d6beace316b82b1a6bbdfd