Dec 07 16:51:32.970 INFO testing file_logger-0.1.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 16:51:32.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 07 16:51:33.362 INFO [stdout] 8e313308c608a4ae54949c44bd631594787dcb0c1eb4a24d4cb5e9010410579a
Dec 07 16:51:33.369 INFO running `"docker" "start" "-a" "8e313308c608a4ae54949c44bd631594787dcb0c1eb4a24d4cb5e9010410579a"`
Dec 07 16:51:34.126 INFO [stderr] usermod: no changes
Dec 07 16:51:34.229 INFO [stderr]    Compiling file_logger v0.1.0 (/source)
Dec 07 16:51:35.592 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:51:35.592 INFO [stderr]   --> src/format.rs:71:40
Dec 07 16:51:35.592 INFO [stderr]    |
Dec 07 16:51:35.592 INFO [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Dec 07 16:51:35.592 INFO [stderr]    |                                        ----^
Dec 07 16:51:35.592 INFO [stderr]    |                                        |
Dec 07 16:51:35.592 INFO [stderr]    |                                        help: remove this `mut`
Dec 07 16:51:35.592 INFO [stderr]    |
Dec 07 16:51:35.592 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 16:51:35.592 INFO [stderr] 
Dec 07 16:51:37.610 INFO [stderr] warning: unused import: `OnError`
Dec 07 16:51:37.610 INFO [stderr]  --> src/main.rs:6:40
Dec 07 16:51:37.610 INFO [stderr]   |
Dec 07 16:51:37.610 INFO [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
Dec 07 16:51:37.610 INFO [stderr]   |                                        ^^^^^^^
Dec 07 16:51:37.610 INFO [stderr]   |
Dec 07 16:51:37.610 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 16:51:37.610 INFO [stderr] 
Dec 07 16:51:37.640 INFO [stderr] warning: unused variable: `regex`
Dec 07 16:51:37.640 INFO [stderr]  --> src/main.rs:9:9
Dec 07 16:51:37.640 INFO [stderr]   |
Dec 07 16:51:37.640 INFO [stderr] 9 |     let regex = Regex::new("test").unwrap();
Dec 07 16:51:37.640 INFO [stderr]   |         ^^^^^ help: consider using `_regex` instead
Dec 07 16:51:37.640 INFO [stderr]   |
Dec 07 16:51:37.640 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 07 16:51:37.640 INFO [stderr] 
Dec 07 16:51:39.003 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
Dec 07 16:51:39.004 INFO [stderr] su: No module specific data is present
Dec 07 16:51:39.311 INFO running `"docker" "inspect" "8e313308c608a4ae54949c44bd631594787dcb0c1eb4a24d4cb5e9010410579a"`
Dec 07 16:51:39.408 INFO running `"docker" "rm" "-f" "8e313308c608a4ae54949c44bd631594787dcb0c1eb4a24d4cb5e9010410579a"`
Dec 07 16:51:39.557 INFO [stdout] 8e313308c608a4ae54949c44bd631594787dcb0c1eb4a24d4cb5e9010410579a
Dec 07 16:51:39.557 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 07 16:51:39.770 INFO [stdout] c16d76652e54893b69ef8c5aaac738d5924826fdff2b2305a478153b74133c82
Dec 07 16:51:39.826 INFO running `"docker" "start" "-a" "c16d76652e54893b69ef8c5aaac738d5924826fdff2b2305a478153b74133c82"`
Dec 07 16:51:40.220 INFO [stderr] usermod: no changes
Dec 07 16:51:40.276 INFO [stderr]    Compiling file_logger v0.1.0 (/source)
Dec 07 16:51:41.480 INFO [stderr] warning: variable does not need to be mutable
Dec 07 16:51:41.480 INFO [stderr]   --> src/format.rs:71:40
Dec 07 16:51:41.480 INFO [stderr]    |
Dec 07 16:51:41.480 INFO [stderr] 71 |     pub fn format<W: io::Write>(&self, mut w:  &mut W, record: &LogRecord, datetime: &Tm) -> Result<(), Error>{
Dec 07 16:51:41.480 INFO [stderr]    |                                        ----^
Dec 07 16:51:41.480 INFO [stderr]    |                                        |
Dec 07 16:51:41.480 INFO [stderr]    |                                        help: remove this `mut`
Dec 07 16:51:41.480 INFO [stderr]    |
Dec 07 16:51:41.480 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 07 16:51:41.480 INFO [stderr] 
Dec 07 16:51:41.641 INFO [stderr] warning: unused import: `OnError`
Dec 07 16:51:41.641 INFO [stderr]  --> src/main.rs:6:40
Dec 07 16:51:41.641 INFO [stderr]   |
Dec 07 16:51:41.641 INFO [stderr] 6 | use self::file_logger::{LoggerBuilder, OnError};
Dec 07 16:51:41.641 INFO [stderr]   |                                        ^^^^^^^
Dec 07 16:51:41.641 INFO [stderr]   |
Dec 07 16:51:41.641 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 07 16:51:41.641 INFO [stderr] 
Dec 07 16:51:41.676 INFO [stderr] warning: unused variable: `regex`
Dec 07 16:51:41.676 INFO [stderr]  --> src/main.rs:9:9
Dec 07 16:51:41.676 INFO [stderr]   |
Dec 07 16:51:41.676 INFO [stderr] 9 |     let regex = Regex::new("test").unwrap();
Dec 07 16:51:41.676 INFO [stderr]   |         ^^^^^ help: consider using `_regex` instead
Dec 07 16:51:41.676 INFO [stderr]   |
Dec 07 16:51:41.676 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 07 16:51:41.676 INFO [stderr] 
Dec 07 16:51:41.885 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Dec 07 16:51:41.889 INFO [stderr] su: No module specific data is present
Dec 07 16:51:42.238 INFO running `"docker" "inspect" "c16d76652e54893b69ef8c5aaac738d5924826fdff2b2305a478153b74133c82"`
Dec 07 16:51:42.310 INFO running `"docker" "rm" "-f" "c16d76652e54893b69ef8c5aaac738d5924826fdff2b2305a478153b74133c82"`
Dec 07 16:51:42.406 INFO [stdout] c16d76652e54893b69ef8c5aaac738d5924826fdff2b2305a478153b74133c82
Dec 07 16:51:42.410 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 07 16:51:42.629 INFO [stdout] 3f067fd928fe92e5b28890be0e7db7cee27a2153210f9a8e7a934e8f7b038de2
Dec 07 16:51:42.631 INFO running `"docker" "start" "-a" "3f067fd928fe92e5b28890be0e7db7cee27a2153210f9a8e7a934e8f7b038de2"`
Dec 07 16:51:43.040 INFO [stderr] usermod: no changes
Dec 07 16:51:43.088 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 07 16:51:43.100 INFO [stderr]      Running /target/debug/deps/file_logger-082b137c7dc71df9
Dec 07 16:51:43.103 INFO [stdout] 
Dec 07 16:51:43.103 INFO [stdout] running 0 tests
Dec 07 16:51:43.103 INFO [stdout] 
Dec 07 16:51:43.103 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:51:43.103 INFO [stdout] 
Dec 07 16:51:43.108 INFO [stdout] 
Dec 07 16:51:43.108 INFO [stderr]      Running /target/debug/deps/file_logger-9057b477342c0a81
Dec 07 16:51:43.108 INFO [stdout] running 0 tests
Dec 07 16:51:43.108 INFO [stderr]    Doc-tests file_logger
Dec 07 16:51:43.108 INFO [stdout] 
Dec 07 16:51:43.109 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:51:43.109 INFO [stdout] 
Dec 07 16:51:45.169 INFO [stdout] 
Dec 07 16:51:45.169 INFO [stdout] running 0 tests
Dec 07 16:51:45.169 INFO [stdout] 
Dec 07 16:51:45.169 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 16:51:45.169 INFO [stdout] 
Dec 07 16:51:45.179 INFO [stderr] su: No module specific data is present
Dec 07 16:51:45.430 INFO running `"docker" "inspect" "3f067fd928fe92e5b28890be0e7db7cee27a2153210f9a8e7a934e8f7b038de2"`
Dec 07 16:51:45.550 INFO running `"docker" "rm" "-f" "3f067fd928fe92e5b28890be0e7db7cee27a2153210f9a8e7a934e8f7b038de2"`
Dec 07 16:51:45.650 INFO [stdout] 3f067fd928fe92e5b28890be0e7db7cee27a2153210f9a8e7a934e8f7b038de2