Dec 18 17:22:59.527 INFO checking constrained-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:22:59.527 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:22:59.771 INFO [stdout] 693f4f68198d3e2742f734ab42bde168569782c8c61b7c334fe2aa5e3015de94
Dec 18 17:22:59.772 INFO running `"docker" "start" "-a" "693f4f68198d3e2742f734ab42bde168569782c8c61b7c334fe2aa5e3015de94"`
Dec 18 17:23:00.387 INFO [stderr]     Checking dense_mats v0.4.0
Dec 18 17:23:01.417 INFO [stderr]     Checking sprs v0.3.3
Dec 18 17:23:03.092 INFO [stderr]     Checking constrained v0.1.0 (/opt/crater/workdir)
Dec 18 17:23:03.800 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 17:23:03.800 INFO [stderr]    --> src/lib.rs:297:35
Dec 18 17:23:03.800 INFO [stderr]     |
Dec 18 17:23:03.800 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 18 17:23:03.800 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 17:23:03.800 INFO [stderr]     |
Dec 18 17:23:03.800 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 17:23:03.800 INFO [stderr] 
Dec 18 17:23:03.868 INFO [stderr] warning: unnecessary parentheses around method argument
Dec 18 17:23:03.868 INFO [stderr]    --> src/lib.rs:297:35
Dec 18 17:23:03.868 INFO [stderr]     |
Dec 18 17:23:03.868 INFO [stderr] 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Dec 18 17:23:03.868 INFO [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 18 17:23:03.868 INFO [stderr]     |
Dec 18 17:23:03.868 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 17:23:03.868 INFO [stderr] 
Dec 18 17:23:04.088 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 18 17:23:04.088 INFO [stderr]  --> src/lib.rs:5:5
Dec 18 17:23:04.088 INFO [stderr]   |
Dec 18 17:23:04.088 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 18 17:23:04.088 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:04.088 INFO [stderr]   |
Dec 18 17:23:04.088 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:23:04.088 INFO [stderr] 
Dec 18 17:23:04.088 INFO [stderr] warning: unused import: `One`
Dec 18 17:23:04.088 INFO [stderr]   --> src/lib.rs:19:11
Dec 18 17:23:04.088 INFO [stderr]    |
Dec 18 17:23:04.088 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 18 17:23:04.088 INFO [stderr]    |           ^^^
Dec 18 17:23:04.088 INFO [stderr] 
Dec 18 17:23:04.112 INFO [stderr] warning: value assigned to `lower` is never read
Dec 18 17:23:04.112 INFO [stderr]    --> src/lib.rs:373:17
Dec 18 17:23:04.112 INFO [stderr]     |
Dec 18 17:23:04.112 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 18 17:23:04.112 INFO [stderr]     |                 ^^^^^
Dec 18 17:23:04.112 INFO [stderr]     |
Dec 18 17:23:04.112 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 17:23:04.112 INFO [stderr] 
Dec 18 17:23:04.112 INFO [stderr] warning: unused import: `sprs::sparse::compressed::SpMatView`
Dec 18 17:23:04.112 INFO [stderr]  --> src/lib.rs:5:5
Dec 18 17:23:04.112 INFO [stderr]   |
Dec 18 17:23:04.112 INFO [stderr] 5 | use sprs::sparse::compressed::SpMatView;
Dec 18 17:23:04.112 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:04.112 INFO [stderr]   |
Dec 18 17:23:04.112 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 17:23:04.112 INFO [stderr] 
Dec 18 17:23:04.112 INFO [stderr] warning: unused import: `One`
Dec 18 17:23:04.112 INFO [stderr]   --> src/lib.rs:19:11
Dec 18 17:23:04.112 INFO [stderr]    |
Dec 18 17:23:04.112 INFO [stderr] 19 | use num::{One, Zero, Float};
Dec 18 17:23:04.112 INFO [stderr]    |           ^^^
Dec 18 17:23:04.112 INFO [stderr] 
Dec 18 17:23:04.120 INFO [stderr] warning: value assigned to `lower` is never read
Dec 18 17:23:04.120 INFO [stderr]    --> src/lib.rs:373:17
Dec 18 17:23:04.120 INFO [stderr]     |
Dec 18 17:23:04.120 INFO [stderr] 373 |                 lower = zhis[iter];
Dec 18 17:23:04.120 INFO [stderr]     |                 ^^^^^
Dec 18 17:23:04.120 INFO [stderr]     |
Dec 18 17:23:04.120 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 18 17:23:04.120 INFO [stderr] 
Dec 18 17:23:04.200 INFO [stderr] warning: function is never used: `from_iter`
Dec 18 17:23:04.200 INFO [stderr]    --> src/lib.rs:121:1
Dec 18 17:23:04.200 INFO [stderr]     |
Dec 18 17:23:04.200 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 18 17:23:04.200 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:04.200 INFO [stderr]     |
Dec 18 17:23:04.200 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 17:23:04.200 INFO [stderr] 
Dec 18 17:23:04.248 INFO [stderr] warning: function is never used: `from_iter`
Dec 18 17:23:04.248 INFO [stderr]    --> src/lib.rs:121:1
Dec 18 17:23:04.248 INFO [stderr]     |
Dec 18 17:23:04.248 INFO [stderr] 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Dec 18 17:23:04.248 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:23:04.248 INFO [stderr]     |
Dec 18 17:23:04.248 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 17:23:04.248 INFO [stderr] 
Dec 18 17:23:04.271 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
Dec 18 17:23:04.924 INFO running `"docker" "inspect" "693f4f68198d3e2742f734ab42bde168569782c8c61b7c334fe2aa5e3015de94"`
Dec 18 17:23:05.286 INFO running `"docker" "rm" "-f" "693f4f68198d3e2742f734ab42bde168569782c8c61b7c334fe2aa5e3015de94"`
Dec 18 17:23:05.532 INFO [stdout] 693f4f68198d3e2742f734ab42bde168569782c8c61b7c334fe2aa5e3015de94