Sep 20 03:32:53.898 INFO checking file_logger-0.1.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 03:32:53.898 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 03:32:53.898 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:32:54.078 INFO blam! be245cf8c1e753251b2c4c02428a90049898629da2b0f32ccdc29d36e92aa20c
Sep 20 03:32:54.079 INFO running `"docker" "start" "-a" "be245cf8c1e753251b2c4c02428a90049898629da2b0f32ccdc29d36e92aa20c"`
Sep 20 03:32:55.243 INFO kablam! usermod: no changes
Sep 20 03:32:55.296 INFO kablam!     Checking file_logger v0.1.0 (/source)
Sep 20 03:32:56.127 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:32:56.127 INFO kablam!   --> src/format.rs:71:40
Sep 20 03:32:56.127 INFO kablam!    |
Sep 20 03:32:56.127 INFO kablam! 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Sep 20 03:32:56.127 INFO kablam!    |                                        ----^
Sep 20 03:32:56.127 INFO kablam!    |                                        |
Sep 20 03:32:56.127 INFO kablam!    |                                        help: remove this `mut`
Sep 20 03:32:56.127 INFO kablam!    |
Sep 20 03:32:56.127 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:32:56.127 INFO kablam! 
Sep 20 03:32:56.129 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:32:56.129 INFO kablam!   --> src/format.rs:71:40
Sep 20 03:32:56.129 INFO kablam!    |
Sep 20 03:32:56.129 INFO kablam! 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Sep 20 03:32:56.129 INFO kablam!    |                                        ----^
Sep 20 03:32:56.129 INFO kablam!    |                                        |
Sep 20 03:32:56.129 INFO kablam!    |                                        help: remove this `mut`
Sep 20 03:32:56.129 INFO kablam!    |
Sep 20 03:32:56.129 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 03:32:56.129 INFO kablam! 
Sep 20 03:32:56.602 INFO kablam! warning: unused import: `OnError`
Sep 20 03:32:56.602 INFO kablam!  --> src/main.rs:6:40
Sep 20 03:32:56.602 INFO kablam!   |
Sep 20 03:32:56.602 INFO kablam! 6 | use self::file_logger::{LoggerBuilder, OnError};
Sep 20 03:32:56.602 INFO kablam!   |                                        ^^^^^^^
Sep 20 03:32:56.602 INFO kablam!   |
Sep 20 03:32:56.602 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 03:32:56.602 INFO kablam! 
Sep 20 03:32:56.635 INFO kablam! warning: unused variable: `regex`
Sep 20 03:32:56.635 INFO kablam!  --> src/main.rs:9:9
Sep 20 03:32:56.635 INFO kablam!   |
Sep 20 03:32:56.636 INFO kablam! 9 |     let regex = Regex::new("test").unwrap();
Sep 20 03:32:56.636 INFO kablam!   |         ^^^^^ help: consider using `_regex` instead
Sep 20 03:32:56.636 INFO kablam!   |
Sep 20 03:32:56.636 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 20 03:32:56.636 INFO kablam! 
Sep 20 03:32:56.776 INFO kablam! warning: unused import: `OnError`
Sep 20 03:32:56.776 INFO kablam!  --> src/main.rs:6:40
Sep 20 03:32:56.776 INFO kablam!   |
Sep 20 03:32:56.776 INFO kablam! 6 | use self::file_logger::{LoggerBuilder, OnError};
Sep 20 03:32:56.776 INFO kablam!   |                                        ^^^^^^^
Sep 20 03:32:56.776 INFO kablam!   |
Sep 20 03:32:56.776 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 20 03:32:56.776 INFO kablam! 
Sep 20 03:32:56.826 INFO kablam! warning: unused variable: `regex`
Sep 20 03:32:56.826 INFO kablam!  --> src/main.rs:9:9
Sep 20 03:32:56.826 INFO kablam!   |
Sep 20 03:32:56.826 INFO kablam! 9 |     let regex = Regex::new("test").unwrap();
Sep 20 03:32:56.826 INFO kablam!   |         ^^^^^ help: consider using `_regex` instead
Sep 20 03:32:56.826 INFO kablam!   |
Sep 20 03:32:56.826 INFO kablam!   = note: #[warn(unused_variables)] on by default
Sep 20 03:32:56.826 INFO kablam! 
Sep 20 03:32:56.848 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
Sep 20 03:32:56.854 INFO kablam! su: No module specific data is present
Sep 20 03:32:57.759 INFO running `"docker" "rm" "-f" "be245cf8c1e753251b2c4c02428a90049898629da2b0f32ccdc29d36e92aa20c"`
Sep 20 03:32:57.818 INFO blam! be245cf8c1e753251b2c4c02428a90049898629da2b0f32ccdc29d36e92aa20c