Sep 10 14:50:30.625 INFO checking mascheroni-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:50:30.625 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:50:30.625 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:50:30.778 INFO blam! f6fde466a58182e65e5f9d8b687b369e552b9627951625b657e28824b4cd9cfe
Sep 10 14:50:30.780 INFO running `"docker" "start" "-a" "f6fde466a58182e65e5f9d8b687b369e552b9627951625b657e28824b4cd9cfe"`
Sep 10 14:50:31.686 INFO kablam! usermod: no changes
Sep 10 14:50:31.722 INFO kablam!     Checking mascheroni v0.2.0 (file:///source)
Sep 10 14:50:32.127 INFO kablam! warning: unused variable: `ret`
Sep 10 14:50:32.127 INFO kablam!   --> src/lib.rs:40:13
Sep 10 14:50:32.127 INFO kablam!    |
Sep 10 14:50:32.127 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.127 INFO kablam!    |             ^^^ help: consider using `_ret` instead
Sep 10 14:50:32.127 INFO kablam!    |
Sep 10 14:50:32.127 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 14:50:32.127 INFO kablam! 
Sep 10 14:50:32.139 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:50:32.139 INFO kablam!   --> src/lib.rs:40:9
Sep 10 14:50:32.139 INFO kablam!    |
Sep 10 14:50:32.139 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.139 INFO kablam!    |         ----^^^
Sep 10 14:50:32.139 INFO kablam!    |         |
Sep 10 14:50:32.139 INFO kablam!    |         help: remove this `mut`
Sep 10 14:50:32.139 INFO kablam!    |
Sep 10 14:50:32.139 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:50:32.139 INFO kablam! 
Sep 10 14:50:32.146 INFO kablam! warning: function is never used: `test_is_not_palindrome`
Sep 10 14:50:32.146 INFO kablam!    --> src/lib.rs:112:1
Sep 10 14:50:32.146 INFO kablam!     |
Sep 10 14:50:32.146 INFO kablam! 112 | fn test_is_not_palindrome() {
Sep 10 14:50:32.146 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:50:32.146 INFO kablam!     |
Sep 10 14:50:32.146 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 14:50:32.146 INFO kablam! 
Sep 10 14:50:32.166 INFO kablam! warning: unused variable: `ret`
Sep 10 14:50:32.166 INFO kablam!   --> src/lib.rs:40:13
Sep 10 14:50:32.166 INFO kablam!    |
Sep 10 14:50:32.166 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.166 INFO kablam!    |             ^^^ help: consider using `_ret` instead
Sep 10 14:50:32.166 INFO kablam!    |
Sep 10 14:50:32.166 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 14:50:32.166 INFO kablam! 
Sep 10 14:50:32.170 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:50:32.170 INFO kablam!   --> src/lib.rs:40:9
Sep 10 14:50:32.170 INFO kablam!    |
Sep 10 14:50:32.170 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.170 INFO kablam!    |         ----^^^
Sep 10 14:50:32.170 INFO kablam!    |         |
Sep 10 14:50:32.170 INFO kablam!    |         help: remove this `mut`
Sep 10 14:50:32.170 INFO kablam!    |
Sep 10 14:50:32.170 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:50:32.170 INFO kablam! 
Sep 10 14:50:32.178 INFO kablam! warning: function is never used: `test_is_not_palindrome`
Sep 10 14:50:32.178 INFO kablam!    --> src/lib.rs:112:1
Sep 10 14:50:32.178 INFO kablam!     |
Sep 10 14:50:32.178 INFO kablam! 112 | fn test_is_not_palindrome() {
Sep 10 14:50:32.178 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:50:32.178 INFO kablam!     |
Sep 10 14:50:32.178 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 14:50:32.178 INFO kablam! 
Sep 10 14:50:32.210 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Sep 10 14:50:32.210 INFO kablam! su: No module specific data is present
Sep 10 14:50:33.183 INFO running `"docker" "rm" "-f" "f6fde466a58182e65e5f9d8b687b369e552b9627951625b657e28824b4cd9cfe"`
Sep 10 14:50:33.298 INFO blam! f6fde466a58182e65e5f9d8b687b369e552b9627951625b657e28824b4cd9cfe