Sep 10 19:04:56.580 INFO checking file_logger-0.1.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 19:04:56.580 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 19:04:56.580 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 19:04:56.876 INFO blam! cfbccdeb52238449787ff734b55151602023c4a0b919bd36d376f66952b91be5
Sep 10 19:04:56.878 INFO running `"docker" "start" "-a" "cfbccdeb52238449787ff734b55151602023c4a0b919bd36d376f66952b91be5"`
Sep 10 19:04:57.699 INFO kablam! usermod: no changes
Sep 10 19:04:57.766 INFO kablam!     Checking file_logger v0.1.0 (file:///source)
Sep 10 19:04:58.414 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:04:58.414 INFO kablam!   --> src/format.rs:71:40
Sep 10 19:04:58.414 INFO kablam!    |
Sep 10 19:04:58.414 INFO kablam! 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Sep 10 19:04:58.414 INFO kablam!    |                                        ----^
Sep 10 19:04:58.414 INFO kablam!    |                                        |
Sep 10 19:04:58.414 INFO kablam!    |                                        help: remove this `mut`
Sep 10 19:04:58.414 INFO kablam!    |
Sep 10 19:04:58.414 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:04:58.414 INFO kablam! 
Sep 10 19:04:58.473 INFO kablam! warning: variable does not need to be mutable
Sep 10 19:04:58.473 INFO kablam!   --> src/format.rs:71:40
Sep 10 19:04:58.473 INFO kablam!    |
Sep 10 19:04:58.473 INFO kablam! 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Sep 10 19:04:58.473 INFO kablam!    |                                        ----^
Sep 10 19:04:58.473 INFO kablam!    |                                        |
Sep 10 19:04:58.473 INFO kablam!    |                                        help: remove this `mut`
Sep 10 19:04:58.473 INFO kablam!    |
Sep 10 19:04:58.473 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 19:04:58.473 INFO kablam! 
Sep 10 19:04:59.060 INFO kablam! warning: unused import: `OnError`
Sep 10 19:04:59.060 INFO kablam!  --> src/main.rs:6:40
Sep 10 19:04:59.060 INFO kablam!   |
Sep 10 19:04:59.060 INFO kablam! 6 | use self::file_logger::{LoggerBuilder, OnError};
Sep 10 19:04:59.060 INFO kablam!   |                                        ^^^^^^^
Sep 10 19:04:59.060 INFO kablam!   |
Sep 10 19:04:59.060 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 19:04:59.060 INFO kablam! 
Sep 10 19:04:59.103 INFO kablam! warning: unused variable: `regex`
Sep 10 19:04:59.103 INFO kablam!  --> src/main.rs:9:9
Sep 10 19:04:59.103 INFO kablam!   |
Sep 10 19:04:59.103 INFO kablam! 9 |     let regex = Regex::new("test").unwrap();
Sep 10 19:04:59.103 INFO kablam!   |         ^^^^^ help: consider using `_regex` instead
Sep 10 19:04:59.103 INFO kablam!   |
Sep 10 19:04:59.103 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 10 19:04:59.103 INFO kablam! 
Sep 10 19:04:59.158 INFO kablam! warning: unused import: `OnError`
Sep 10 19:04:59.158 INFO kablam!  --> src/main.rs:6:40
Sep 10 19:04:59.158 INFO kablam!   |
Sep 10 19:04:59.158 INFO kablam! 6 | use self::file_logger::{LoggerBuilder, OnError};
Sep 10 19:04:59.158 INFO kablam!   |                                        ^^^^^^^
Sep 10 19:04:59.158 INFO kablam!   |
Sep 10 19:04:59.158 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 19:04:59.158 INFO kablam! 
Sep 10 19:04:59.206 INFO kablam! warning: unused variable: `regex`
Sep 10 19:04:59.206 INFO kablam!  --> src/main.rs:9:9
Sep 10 19:04:59.206 INFO kablam!   |
Sep 10 19:04:59.206 INFO kablam! 9 |     let regex = Regex::new("test").unwrap();
Sep 10 19:04:59.206 INFO kablam!   |         ^^^^^ help: consider using `_regex` instead
Sep 10 19:04:59.206 INFO kablam!   |
Sep 10 19:04:59.206 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 10 19:04:59.206 INFO kablam! 
Sep 10 19:04:59.224 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
Sep 10 19:04:59.232 INFO kablam! su: No module specific data is present
Sep 10 19:04:59.807 INFO running `"docker" "rm" "-f" "cfbccdeb52238449787ff734b55151602023c4a0b919bd36d376f66952b91be5"`
Sep 10 19:04:59.873 INFO blam! cfbccdeb52238449787ff734b55151602023c4a0b919bd36d376f66952b91be5