Sep 10 14:50:30.911 INFO checking mascheroni-0.2.0 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 14:50:30.911 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 14:50:30.911 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:50:31.082 INFO blam! b44622485af33d76f3c80785c0a1d667c058b37553b5e63af6027f1ea4bcac70
Sep 10 14:50:31.085 INFO running `"docker" "start" "-a" "b44622485af33d76f3c80785c0a1d667c058b37553b5e63af6027f1ea4bcac70"`
Sep 10 14:50:31.979 INFO kablam! usermod: no changes
Sep 10 14:50:32.035 INFO kablam!     Checking mascheroni v0.2.0 (file:///source)
Sep 10 14:50:32.386 INFO kablam! warning: unused variable: `ret`
Sep 10 14:50:32.386 INFO kablam!   --> src/lib.rs:40:13
Sep 10 14:50:32.386 INFO kablam!    |
Sep 10 14:50:32.386 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.386 INFO kablam!    |             ^^^ help: consider using `_ret` instead
Sep 10 14:50:32.386 INFO kablam!    |
Sep 10 14:50:32.386 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 14:50:32.386 INFO kablam! 
Sep 10 14:50:32.390 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:50:32.390 INFO kablam!   --> src/lib.rs:40:9
Sep 10 14:50:32.390 INFO kablam!    |
Sep 10 14:50:32.390 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.390 INFO kablam!    |         ----^^^
Sep 10 14:50:32.390 INFO kablam!    |         |
Sep 10 14:50:32.390 INFO kablam!    |         help: remove this `mut`
Sep 10 14:50:32.390 INFO kablam!    |
Sep 10 14:50:32.390 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:50:32.390 INFO kablam! 
Sep 10 14:50:32.402 INFO kablam! warning: function is never used: `test_is_not_palindrome`
Sep 10 14:50:32.402 INFO kablam!    --> src/lib.rs:112:1
Sep 10 14:50:32.402 INFO kablam!     |
Sep 10 14:50:32.402 INFO kablam! 112 | fn test_is_not_palindrome() {
Sep 10 14:50:32.402 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:50:32.402 INFO kablam!     |
Sep 10 14:50:32.402 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 14:50:32.402 INFO kablam! 
Sep 10 14:50:32.548 INFO kablam! warning: unused variable: `ret`
Sep 10 14:50:32.548 INFO kablam!   --> src/lib.rs:40:13
Sep 10 14:50:32.548 INFO kablam!    |
Sep 10 14:50:32.548 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.548 INFO kablam!    |             ^^^ help: consider using `_ret` instead
Sep 10 14:50:32.548 INFO kablam!    |
Sep 10 14:50:32.548 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 14:50:32.548 INFO kablam! 
Sep 10 14:50:32.555 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:50:32.555 INFO kablam!   --> src/lib.rs:40:9
Sep 10 14:50:32.555 INFO kablam!    |
Sep 10 14:50:32.555 INFO kablam! 40 |     let mut ret: u64 = 0;
Sep 10 14:50:32.555 INFO kablam!    |         ----^^^
Sep 10 14:50:32.555 INFO kablam!    |         |
Sep 10 14:50:32.555 INFO kablam!    |         help: remove this `mut`
Sep 10 14:50:32.555 INFO kablam!    |
Sep 10 14:50:32.555 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:50:32.555 INFO kablam! 
Sep 10 14:50:32.561 INFO kablam! warning: function is never used: `test_is_not_palindrome`
Sep 10 14:50:32.561 INFO kablam!    --> src/lib.rs:112:1
Sep 10 14:50:32.561 INFO kablam!     |
Sep 10 14:50:32.561 INFO kablam! 112 | fn test_is_not_palindrome() {
Sep 10 14:50:32.561 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:50:32.562 INFO kablam!     |
Sep 10 14:50:32.562 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 14:50:32.562 INFO kablam! 
Sep 10 14:50:32.588 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Sep 10 14:50:32.594 INFO kablam! su: No module specific data is present
Sep 10 14:50:33.671 INFO running `"docker" "rm" "-f" "b44622485af33d76f3c80785c0a1d667c058b37553b5e63af6027f1ea4bcac70"`
Sep 10 14:50:33.789 INFO blam! b44622485af33d76f3c80785c0a1d667c058b37553b5e63af6027f1ea4bcac70