Oct 13 16:36:45.379 INFO checking constrained-0.1.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 16:36:45.380 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 16:36:45.564 INFO blam! 1653eaae606b1e90cb6e04eda608fc940716e5e8e774c5a23e9e7c9ccb2e7a8d
Oct 13 16:36:45.565 INFO running `"docker" "start" "-a" "1653eaae606b1e90cb6e04eda608fc940716e5e8e774c5a23e9e7c9ccb2e7a8d"`
Oct 13 16:36:46.464 INFO kablam! usermod: no changes
Oct 13 16:36:46.608 INFO kablam!     Checking dense_mats v0.4.0
Oct 13 16:36:48.723 INFO kablam!     Checking sprs v0.3.3
Oct 13 16:36:51.364 INFO kablam!     Checking constrained v0.1.0 (/source)
Oct 13 16:36:53.436 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 16:36:53.436 INFO kablam!    --> src/lib.rs:297:35
Oct 13 16:36:53.436 INFO kablam!     |
Oct 13 16:36:53.436 INFO kablam! 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Oct 13 16:36:53.436 INFO kablam!     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 16:36:53.436 INFO kablam!     |
Oct 13 16:36:53.436 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 16:36:53.436 INFO kablam! 
Oct 13 16:36:53.896 INFO kablam! warning: unused import: `sprs::sparse::compressed::SpMatView`
Oct 13 16:36:53.897 INFO kablam!  --> src/lib.rs:5:5
Oct 13 16:36:53.897 INFO kablam!   |
Oct 13 16:36:53.897 INFO kablam! 5 | use sprs::sparse::compressed::SpMatView;
Oct 13 16:36:53.897 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:36:53.898 INFO kablam!   |
Oct 13 16:36:53.898 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 16:36:53.898 INFO kablam! 
Oct 13 16:36:53.904 INFO kablam! warning: unused import: `One`
Oct 13 16:36:53.904 INFO kablam!   --> src/lib.rs:19:11
Oct 13 16:36:53.904 INFO kablam!    |
Oct 13 16:36:53.904 INFO kablam! 19 | use num::{One, Zero, Float};
Oct 13 16:36:53.904 INFO kablam!    |           ^^^
Oct 13 16:36:53.904 INFO kablam! 
Oct 13 16:36:53.941 INFO kablam! warning: value assigned to `lower` is never read
Oct 13 16:36:53.941 INFO kablam!    --> src/lib.rs:373:17
Oct 13 16:36:53.941 INFO kablam!     |
Oct 13 16:36:53.941 INFO kablam! 373 |                 lower = zhis[iter];
Oct 13 16:36:53.941 INFO kablam!     |                 ^^^^^
Oct 13 16:36:53.941 INFO kablam!     |
Oct 13 16:36:53.941 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 13 16:36:53.944 INFO kablam! 
Oct 13 16:36:54.105 INFO kablam! warning: function is never used: `from_iter`
Oct 13 16:36:54.105 INFO kablam!    --> src/lib.rs:121:1
Oct 13 16:36:54.105 INFO kablam!     |
Oct 13 16:36:54.106 INFO kablam! 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Oct 13 16:36:54.106 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:36:54.106 INFO kablam!     |
Oct 13 16:36:54.106 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 16:36:54.107 INFO kablam! 
Oct 13 16:36:54.156 INFO kablam! warning: unnecessary parentheses around method argument
Oct 13 16:36:54.157 INFO kablam!    --> src/lib.rs:297:35
Oct 13 16:36:54.157 INFO kablam!     |
Oct 13 16:36:54.158 INFO kablam! 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Oct 13 16:36:54.158 INFO kablam!     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Oct 13 16:36:54.158 INFO kablam!     |
Oct 13 16:36:54.158 INFO kablam!     = note: #[warn(unused_parens)] on by default
Oct 13 16:36:54.159 INFO kablam! 
Oct 13 16:36:54.404 INFO kablam! warning: unused import: `sprs::sparse::compressed::SpMatView`
Oct 13 16:36:54.405 INFO kablam!  --> src/lib.rs:5:5
Oct 13 16:36:54.405 INFO kablam!   |
Oct 13 16:36:54.405 INFO kablam! 5 | use sprs::sparse::compressed::SpMatView;
Oct 13 16:36:54.406 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:36:54.406 INFO kablam!   |
Oct 13 16:36:54.406 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 16:36:54.406 INFO kablam! 
Oct 13 16:36:54.407 INFO kablam! warning: unused import: `One`
Oct 13 16:36:54.407 INFO kablam!   --> src/lib.rs:19:11
Oct 13 16:36:54.407 INFO kablam!    |
Oct 13 16:36:54.407 INFO kablam! 19 | use num::{One, Zero, Float};
Oct 13 16:36:54.408 INFO kablam!    |           ^^^
Oct 13 16:36:54.408 INFO kablam! 
Oct 13 16:36:54.424 INFO kablam! warning: value assigned to `lower` is never read
Oct 13 16:36:54.425 INFO kablam!    --> src/lib.rs:373:17
Oct 13 16:36:54.425 INFO kablam!     |
Oct 13 16:36:54.425 INFO kablam! 373 |                 lower = zhis[iter];
Oct 13 16:36:54.426 INFO kablam!     |                 ^^^^^
Oct 13 16:36:54.426 INFO kablam!     |
Oct 13 16:36:54.426 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Oct 13 16:36:54.427 INFO kablam! 
Oct 13 16:36:54.500 INFO kablam! warning: function is never used: `from_iter`
Oct 13 16:36:54.500 INFO kablam!    --> src/lib.rs:121:1
Oct 13 16:36:54.500 INFO kablam!     |
Oct 13 16:36:54.500 INFO kablam! 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Oct 13 16:36:54.500 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 16:36:54.500 INFO kablam!     |
Oct 13 16:36:54.500 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 13 16:36:54.500 INFO kablam! 
Oct 13 16:36:54.522 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
Oct 13 16:36:54.534 INFO kablam! su: No module specific data is present
Oct 13 16:36:55.170 INFO running `"docker" "rm" "-f" "1653eaae606b1e90cb6e04eda608fc940716e5e8e774c5a23e9e7c9ccb2e7a8d"`
Oct 13 16:36:55.501 INFO blam! 1653eaae606b1e90cb6e04eda608fc940716e5e8e774c5a23e9e7c9ccb2e7a8d