Nov 30 23:01:30.426 INFO checking file_logger-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 23:01:30.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 23:01:30.703 INFO [stdout] 4ff7a175c18052d37402887ce42be9a517247db20a1a862af4b35deef76ae377
Nov 30 23:01:30.705 INFO running `"docker" "start" "-a" "4ff7a175c18052d37402887ce42be9a517247db20a1a862af4b35deef76ae377"`
Nov 30 23:01:31.045 INFO [stderr] usermod: no changes
Nov 30 23:01:31.091 INFO [stderr]     Checking file_logger v0.1.0 (/source)
Nov 30 23:01:32.400 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:01:32.400 INFO [stderr]   --> src/format.rs:71:40
Nov 30 23:01:32.400 INFO [stderr]    |
Nov 30 23:01:32.400 INFO [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Nov 30 23:01:32.400 INFO [stderr]    |                                        ----^
Nov 30 23:01:32.400 INFO [stderr]    |                                        |
Nov 30 23:01:32.400 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 23:01:32.400 INFO [stderr]    |
Nov 30 23:01:32.400 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 23:01:32.400 INFO [stderr] 
Nov 30 23:01:32.600 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:01:32.600 INFO [stderr]   --> src/format.rs:71:40
Nov 30 23:01:32.600 INFO [stderr]    |
Nov 30 23:01:32.600 INFO [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Nov 30 23:01:32.600 INFO [stderr]    |                                        ----^
Nov 30 23:01:32.600 INFO [stderr]    |                                        |
Nov 30 23:01:32.600 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 23:01:32.600 INFO [stderr]    |
Nov 30 23:01:32.600 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 23:01:32.600 INFO [stderr] 
Nov 30 23:01:33.947 INFO [stderr] warning: unused import: `OnError`
Nov 30 23:01:33.947 INFO [stderr]  --> src/main.rs:6:40
Nov 30 23:01:33.947 INFO [stderr]   |
Nov 30 23:01:33.947 INFO [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
Nov 30 23:01:33.947 INFO [stderr]   |                                        ^^^^^^^
Nov 30 23:01:33.947 INFO [stderr]   |
Nov 30 23:01:33.947 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 23:01:33.947 INFO [stderr] 
Nov 30 23:01:33.960 INFO [stderr] warning: unused variable: `regex`
Nov 30 23:01:33.960 INFO [stderr]  --> src/main.rs:9:9
Nov 30 23:01:33.960 INFO [stderr]   |
Nov 30 23:01:33.960 INFO [stderr] 9 |     let regex = Regex::new("test").unwrap();
Nov 30 23:01:33.960 INFO [stderr]   |         ^^^^^ help: consider using `_regex` instead
Nov 30 23:01:33.960 INFO [stderr]   |
Nov 30 23:01:33.960 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 23:01:33.960 INFO [stderr] 
Nov 30 23:01:34.084 INFO [stderr] warning: unused import: `OnError`
Nov 30 23:01:34.084 INFO [stderr]  --> src/main.rs:6:40
Nov 30 23:01:34.084 INFO [stderr]   |
Nov 30 23:01:34.084 INFO [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
Nov 30 23:01:34.084 INFO [stderr]   |                                        ^^^^^^^
Nov 30 23:01:34.084 INFO [stderr]   |
Nov 30 23:01:34.084 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 23:01:34.084 INFO [stderr] 
Nov 30 23:01:34.122 INFO [stderr] warning: unused variable: `regex`
Nov 30 23:01:34.122 INFO [stderr]  --> src/main.rs:9:9
Nov 30 23:01:34.122 INFO [stderr]   |
Nov 30 23:01:34.122 INFO [stderr] 9 |     let regex = Regex::new("test").unwrap();
Nov 30 23:01:34.122 INFO [stderr]   |         ^^^^^ help: consider using `_regex` instead
Nov 30 23:01:34.122 INFO [stderr]   |
Nov 30 23:01:34.122 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 23:01:34.122 INFO [stderr] 
Nov 30 23:01:34.140 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
Nov 30 23:01:34.145 INFO [stderr] su: No module specific data is present
Nov 30 23:01:34.492 INFO running `"docker" "inspect" "4ff7a175c18052d37402887ce42be9a517247db20a1a862af4b35deef76ae377"`
Nov 30 23:01:34.630 INFO running `"docker" "rm" "-f" "4ff7a175c18052d37402887ce42be9a517247db20a1a862af4b35deef76ae377"`
Nov 30 23:01:34.744 INFO [stdout] 4ff7a175c18052d37402887ce42be9a517247db20a1a862af4b35deef76ae377