Sep 21 11:57:05.082 INFO checking constrained-0.1.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 11:57:05.082 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 11:57:05.082 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 11:57:05.192 INFO blam! 399cd7a42ca5befde7a1e204ac9b2aa3221809362a1631dda57f0afb45116770
Sep 21 11:57:05.193 INFO running `"docker" "start" "-a" "399cd7a42ca5befde7a1e204ac9b2aa3221809362a1631dda57f0afb45116770"`
Sep 21 11:57:06.568 INFO kablam! usermod: no changes
Sep 21 11:57:06.613 INFO kablam!     Checking dense_mats v0.4.0
Sep 21 11:57:07.577 INFO kablam!     Checking sprs v0.3.3
Sep 21 11:57:09.563 INFO kablam!     Checking constrained v0.1.0 (/source)
Sep 21 11:57:10.610 INFO kablam! warning: unnecessary parentheses around method argument
Sep 21 11:57:10.610 INFO kablam!    --> src/lib.rs:297:35
Sep 21 11:57:10.611 INFO kablam!     |
Sep 21 11:57:10.611 INFO kablam! 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Sep 21 11:57:10.611 INFO kablam!     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 21 11:57:10.611 INFO kablam!     |
Sep 21 11:57:10.612 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 21 11:57:10.612 INFO kablam! 
Sep 21 11:57:10.878 INFO kablam! warning: unnecessary parentheses around method argument
Sep 21 11:57:10.878 INFO kablam!    --> src/lib.rs:297:35
Sep 21 11:57:10.878 INFO kablam!     |
Sep 21 11:57:10.878 INFO kablam! 297 |     let mut lambda = N::one().max((obvalue.abs() / N::from(n).unwrap().sqrt().sqrt()));
Sep 21 11:57:10.878 INFO kablam!     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Sep 21 11:57:10.878 INFO kablam!     |
Sep 21 11:57:10.878 INFO kablam!     = note: #[warn(unused_parens)] on by default
Sep 21 11:57:10.878 INFO kablam! 
Sep 21 11:57:10.930 INFO kablam! warning: unused import: `sprs::sparse::compressed::SpMatView`
Sep 21 11:57:10.930 INFO kablam!  --> src/lib.rs:5:5
Sep 21 11:57:10.930 INFO kablam!   |
Sep 21 11:57:10.930 INFO kablam! 5 | use sprs::sparse::compressed::SpMatView;
Sep 21 11:57:10.930 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 11:57:10.930 INFO kablam!   |
Sep 21 11:57:10.930 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 11:57:10.930 INFO kablam! 
Sep 21 11:57:10.930 INFO kablam! warning: unused import: `One`
Sep 21 11:57:10.930 INFO kablam!   --> src/lib.rs:19:11
Sep 21 11:57:10.930 INFO kablam!    |
Sep 21 11:57:10.930 INFO kablam! 19 | use num::{One, Zero, Float};
Sep 21 11:57:10.930 INFO kablam!    |           ^^^
Sep 21 11:57:10.930 INFO kablam! 
Sep 21 11:57:10.977 INFO kablam! warning: value assigned to `lower` is never read
Sep 21 11:57:10.977 INFO kablam!    --> src/lib.rs:373:17
Sep 21 11:57:10.977 INFO kablam!     |
Sep 21 11:57:10.977 INFO kablam! 373 |                 lower = zhis[iter];
Sep 21 11:57:10.977 INFO kablam!     |                 ^^^^^
Sep 21 11:57:10.977 INFO kablam!     |
Sep 21 11:57:10.977 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Sep 21 11:57:10.977 INFO kablam! 
Sep 21 11:57:11.066 INFO kablam! warning: function is never used: `from_iter`
Sep 21 11:57:11.066 INFO kablam!    --> src/lib.rs:121:1
Sep 21 11:57:11.066 INFO kablam!     |
Sep 21 11:57:11.066 INFO kablam! 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Sep 21 11:57:11.066 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 11:57:11.066 INFO kablam!     |
Sep 21 11:57:11.066 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 21 11:57:11.066 INFO kablam! 
Sep 21 11:57:11.254 INFO kablam! warning: unused import: `sprs::sparse::compressed::SpMatView`
Sep 21 11:57:11.254 INFO kablam!  --> src/lib.rs:5:5
Sep 21 11:57:11.254 INFO kablam!   |
Sep 21 11:57:11.254 INFO kablam! 5 | use sprs::sparse::compressed::SpMatView;
Sep 21 11:57:11.254 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 11:57:11.254 INFO kablam!   |
Sep 21 11:57:11.254 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 11:57:11.254 INFO kablam! 
Sep 21 11:57:11.254 INFO kablam! warning: unused import: `One`
Sep 21 11:57:11.254 INFO kablam!   --> src/lib.rs:19:11
Sep 21 11:57:11.254 INFO kablam!    |
Sep 21 11:57:11.254 INFO kablam! 19 | use num::{One, Zero, Float};
Sep 21 11:57:11.254 INFO kablam!    |           ^^^
Sep 21 11:57:11.254 INFO kablam! 
Sep 21 11:57:11.283 INFO kablam! warning: value assigned to `lower` is never read
Sep 21 11:57:11.283 INFO kablam!    --> src/lib.rs:373:17
Sep 21 11:57:11.283 INFO kablam!     |
Sep 21 11:57:11.283 INFO kablam! 373 |                 lower = zhis[iter];
Sep 21 11:57:11.283 INFO kablam!     |                 ^^^^^
Sep 21 11:57:11.283 INFO kablam!     |
Sep 21 11:57:11.283 INFO kablam!     = note: #[warn(unused_assignments)] on by default
Sep 21 11:57:11.283 INFO kablam! 
Sep 21 11:57:11.368 INFO kablam! warning: function is never used: `from_iter`
Sep 21 11:57:11.368 INFO kablam!    --> src/lib.rs:121:1
Sep 21 11:57:11.368 INFO kablam!     |
Sep 21 11:57:11.368 INFO kablam! 121 | fn from_iter<N: Copy, I: Iterator<Item=(usize, N)>>(itr: I, len: Option<usize>) -> CsVecOwned<N> {
Sep 21 11:57:11.368 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 11:57:11.368 INFO kablam!     |
Sep 21 11:57:11.372 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 21 11:57:11.372 INFO kablam! 
Sep 21 11:57:11.404 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
Sep 21 11:57:11.407 INFO kablam! su: No module specific data is present
Sep 21 11:57:12.356 INFO running `"docker" "rm" "-f" "399cd7a42ca5befde7a1e204ac9b2aa3221809362a1631dda57f0afb45116770"`
Sep 21 11:57:12.600 INFO blam! 399cd7a42ca5befde7a1e204ac9b2aa3221809362a1631dda57f0afb45116770