Sep 06 04:00:46.910 INFO checking matcha-0.1.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 04:00:46.910 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 04:00:46.910 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-2/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 04:00:47.028 INFO blam! 6ce6067d6c7a51201b91c5fc9e45cf42a10e1d3551ac9559c388d0110e0e735b
Sep 06 04:00:47.029 INFO running `"docker" "start" "-a" "6ce6067d6c7a51201b91c5fc9e45cf42a10e1d3551ac9559c388d0110e0e735b"`
Sep 06 04:00:48.207 INFO kablam! usermod: no changes
Sep 06 04:00:48.231 INFO kablam!     Checking memcmp v0.0.6
Sep 06 04:00:48.427 INFO kablam!     Checking matcha v0.1.1 (file:///source)
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `std::str`
Sep 06 04:00:48.668 INFO kablam!  --> src/simple.rs:2:5
Sep 06 04:00:48.668 INFO kablam!   |
Sep 06 04:00:48.668 INFO kablam! 2 | use std::str;
Sep 06 04:00:48.668 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.668 INFO kablam!   |
Sep 06 04:00:48.668 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `std::cmp`
Sep 06 04:00:48.668 INFO kablam!  --> src/tbm.rs:1:5
Sep 06 04:00:48.668 INFO kablam!   |
Sep 06 04:00:48.668 INFO kablam! 1 | use std::cmp;
Sep 06 04:00:48.668 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `std::mem`
Sep 06 04:00:48.668 INFO kablam!  --> src/tbm.rs:2:5
Sep 06 04:00:48.668 INFO kablam!   |
Sep 06 04:00:48.668 INFO kablam! 2 | use std::mem;
Sep 06 04:00:48.668 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `self::test::Bencher`
Sep 06 04:00:48.668 INFO kablam!   --> src/lib.rs:16:9
Sep 06 04:00:48.668 INFO kablam!    |
Sep 06 04:00:48.668 INFO kablam! 16 |     use self::test::Bencher;
Sep 06 04:00:48.668 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `super::Match`
Sep 06 04:00:48.668 INFO kablam!   --> src/lib.rs:18:9
Sep 06 04:00:48.668 INFO kablam!    |
Sep 06 04:00:48.668 INFO kablam! 18 |     use super::Match;
Sep 06 04:00:48.668 INFO kablam!    |         ^^^^^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `super::simple::SimpleMatcher`
Sep 06 04:00:48.668 INFO kablam!   --> src/lib.rs:19:9
Sep 06 04:00:48.668 INFO kablam!    |
Sep 06 04:00:48.668 INFO kablam! 19 |     use super::simple::SimpleMatcher;
Sep 06 04:00:48.668 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.668 INFO kablam! warning: unused import: `super::tbm::TBMMatcher`
Sep 06 04:00:48.668 INFO kablam!   --> src/lib.rs:20:9
Sep 06 04:00:48.668 INFO kablam!    |
Sep 06 04:00:48.668 INFO kablam! 20 |     use super::tbm::TBMMatcher;
Sep 06 04:00:48.668 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 06 04:00:48.668 INFO kablam! 
Sep 06 04:00:48.679 INFO kablam! warning: unused import: `std::str`
Sep 06 04:00:48.679 INFO kablam!  --> src/simple.rs:2:5
Sep 06 04:00:48.679 INFO kablam!   |
Sep 06 04:00:48.679 INFO kablam! 2 | use std::str;
Sep 06 04:00:48.679 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.679 INFO kablam!   |
Sep 06 04:00:48.679 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 06 04:00:48.679 INFO kablam! 
Sep 06 04:00:48.680 INFO kablam! warning: unused import: `std::cmp`
Sep 06 04:00:48.680 INFO kablam!  --> src/tbm.rs:1:5
Sep 06 04:00:48.680 INFO kablam!   |
Sep 06 04:00:48.680 INFO kablam! 1 | use std::cmp;
Sep 06 04:00:48.680 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.680 INFO kablam! 
Sep 06 04:00:48.680 INFO kablam! warning: unused import: `std::mem`
Sep 06 04:00:48.680 INFO kablam!  --> src/tbm.rs:2:5
Sep 06 04:00:48.680 INFO kablam!   |
Sep 06 04:00:48.680 INFO kablam! 2 | use std::mem;
Sep 06 04:00:48.680 INFO kablam!   |     ^^^^^^^^
Sep 06 04:00:48.680 INFO kablam! 
Sep 06 04:00:48.680 INFO kablam! warning: unused import: `super::Match`
Sep 06 04:00:48.680 INFO kablam!   --> src/lib.rs:18:9
Sep 06 04:00:48.680 INFO kablam!    |
Sep 06 04:00:48.680 INFO kablam! 18 |     use super::Match;
Sep 06 04:00:48.680 INFO kablam!    |         ^^^^^^^^^^^^
Sep 06 04:00:48.680 INFO kablam! 
Sep 06 04:00:48.737 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:00:48.738 INFO kablam!   --> src/tbm.rs:22:9
Sep 06 04:00:48.738 INFO kablam!    |
Sep 06 04:00:48.738 INFO kablam! 22 |     let mut y: usize = x - 1;
Sep 06 04:00:48.738 INFO kablam!    |         ----^
Sep 06 04:00:48.738 INFO kablam!    |         |
Sep 06 04:00:48.738 INFO kablam!    |         help: remove this `mut`
Sep 06 04:00:48.738 INFO kablam!    |
Sep 06 04:00:48.738 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 04:00:48.738 INFO kablam! 
Sep 06 04:00:48.738 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:00:48.738 INFO kablam!   --> src/tbm.rs:47:13
Sep 06 04:00:48.738 INFO kablam!    |
Sep 06 04:00:48.738 INFO kablam! 47 |         let mut r: Vec<usize> = bad_character_table(&needle, needle_len);
Sep 06 04:00:48.738 INFO kablam!    |             ----^
Sep 06 04:00:48.739 INFO kablam!    |             |
Sep 06 04:00:48.739 INFO kablam!    |             help: remove this `mut`
Sep 06 04:00:48.739 INFO kablam! 
Sep 06 04:00:48.739 INFO kablam! warning: constant item is never used: `SM_S`
Sep 06 04:00:48.739 INFO kablam!   --> src/lib.rs:22:5
Sep 06 04:00:48.739 INFO kablam!    |
Sep 06 04:00:48.739 INFO kablam! 22 | /     const SM_S: &'static str = r#"let s = String::from("use memcmp::Memcmp;
Sep 06 04:00:48.739 INFO kablam! 23 | |         use super::Match;
Sep 06 04:00:48.739 INFO kablam! 24 | |
Sep 06 04:00:48.739 INFO kablam! 25 | |         /// The main BruteForceMatcher type for setting configuration and running BruteForceMatcher.
Sep 06 04:00:48.739 INFO kablam! ...  |
Sep 06 04:00:48.739 INFO kablam! 47 | |         }
Sep 06 04:00:48.739 INFO kablam! 48 | |         ");"#;
Sep 06 04:00:48.739 INFO kablam!    | |______________^
Sep 06 04:00:48.739 INFO kablam!    |
Sep 06 04:00:48.739 INFO kablam!    = note: #[warn(dead_code)] on by default
Sep 06 04:00:48.739 INFO kablam! 
Sep 06 04:00:48.739 INFO kablam! warning: comparison is useless due to type limits
Sep 06 04:00:48.739 INFO kablam!   --> src/tbm.rs:24:11
Sep 06 04:00:48.739 INFO kablam!    |
Sep 06 04:00:48.739 INFO kablam! 24 |     while x >= 0 {
Sep 06 04:00:48.739 INFO kablam!    |           ^^^^^^
Sep 06 04:00:48.739 INFO kablam!    |
Sep 06 04:00:48.739 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Sep 06 04:00:48.739 INFO kablam! 
Sep 06 04:00:48.782 INFO kablam! warning: unused variable: `matches`
Sep 06 04:00:48.782 INFO kablam!   --> src/simple.rs:84:9
Sep 06 04:00:48.782 INFO kablam!    |
Sep 06 04:00:48.782 INFO kablam! 84 |     let matches: Vec<Match> = SimpleMatcher::matches("suki".as_bytes(), &b);
Sep 06 04:00:48.782 INFO kablam!    |         ^^^^^^^ help: consider using `_matches` instead
Sep 06 04:00:48.782 INFO kablam!    |
Sep 06 04:00:48.782 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 04:00:48.782 INFO kablam! 
Sep 06 04:00:48.783 INFO kablam! warning: unused variable: `matches`
Sep 06 04:00:48.783 INFO kablam!    --> src/tbm.rs:104:9
Sep 06 04:00:48.783 INFO kablam!     |
Sep 06 04:00:48.783 INFO kablam! 104 |     let matches: Vec<Match> = TBMMatcher::matches("suki".as_bytes(), &b);
Sep 06 04:00:48.783 INFO kablam!     |         ^^^^^^^ help: consider using `_matches` instead
Sep 06 04:00:48.783 INFO kablam! 
Sep 06 04:00:48.805 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:00:48.805 INFO kablam!   --> src/tbm.rs:22:9
Sep 06 04:00:48.805 INFO kablam!    |
Sep 06 04:00:48.805 INFO kablam! 22 |     let mut y: usize = x - 1;
Sep 06 04:00:48.805 INFO kablam!    |         ----^
Sep 06 04:00:48.805 INFO kablam!    |         |
Sep 06 04:00:48.805 INFO kablam!    |         help: remove this `mut`
Sep 06 04:00:48.805 INFO kablam!    |
Sep 06 04:00:48.805 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 04:00:48.806 INFO kablam! 
Sep 06 04:00:48.806 INFO kablam! warning: variable does not need to be mutable
Sep 06 04:00:48.806 INFO kablam!   --> src/tbm.rs:47:13
Sep 06 04:00:48.806 INFO kablam!    |
Sep 06 04:00:48.806 INFO kablam! 47 |         let mut r: Vec<usize> = bad_character_table(&needle, needle_len);
Sep 06 04:00:48.806 INFO kablam!    |             ----^
Sep 06 04:00:48.806 INFO kablam!    |             |
Sep 06 04:00:48.806 INFO kablam!    |             help: remove this `mut`
Sep 06 04:00:48.806 INFO kablam! 
Sep 06 04:00:48.808 INFO kablam! warning: comparison is useless due to type limits
Sep 06 04:00:48.808 INFO kablam!   --> src/tbm.rs:24:11
Sep 06 04:00:48.808 INFO kablam!    |
Sep 06 04:00:48.808 INFO kablam! 24 |     while x >= 0 {
Sep 06 04:00:48.808 INFO kablam!    |           ^^^^^^
Sep 06 04:00:48.808 INFO kablam!    |
Sep 06 04:00:48.808 INFO kablam!    = note: #[warn(unused_comparisons)] on by default
Sep 06 04:00:48.808 INFO kablam! 
Sep 06 04:00:48.823 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Sep 06 04:00:48.827 INFO kablam! su: No module specific data is present
Sep 06 04:00:49.683 INFO running `"docker" "rm" "-f" "6ce6067d6c7a51201b91c5fc9e45cf42a10e1d3551ac9559c388d0110e0e735b"`
Sep 06 04:00:49.737 INFO blam! 6ce6067d6c7a51201b91c5fc9e45cf42a10e1d3551ac9559c388d0110e0e735b