Dec 13 19:09:24.320 INFO testing fneddy/rat12 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 19:09:24.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 19:09:24.732 INFO [stdout] 15b7cd04342b828af159a82df43bb768b85d6f507992c7808b326f515c53fc9b
Dec 13 19:09:24.737 INFO running `"docker" "start" "-a" "15b7cd04342b828af159a82df43bb768b85d6f507992c7808b326f515c53fc9b"`
Dec 13 19:09:25.367 INFO [stderr] usermod: no changes
Dec 13 19:09:25.446 INFO [stderr]    Compiling rat12 v0.1.0 (/source)
Dec 13 19:09:25.955 INFO [stderr] warning: unused variable: `buf`
Dec 13 19:09:25.955 INFO [stderr]   --> src/cluster.rs:60:25
Dec 13 19:09:25.955 INFO [stderr]    |
Dec 13 19:09:25.955 INFO [stderr] 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Dec 13 19:09:25.955 INFO [stderr]    |                         ^^^ help: consider using `_buf` instead
Dec 13 19:09:25.955 INFO [stderr]    |
Dec 13 19:09:25.955 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 19:09:25.955 INFO [stderr] 
Dec 13 19:09:25.959 INFO [stderr] warning: variable does not need to be mutable
Dec 13 19:09:25.959 INFO [stderr]   --> src/cluster.rs:31:16
Dec 13 19:09:25.959 INFO [stderr]    |
Dec 13 19:09:25.959 INFO [stderr] 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
Dec 13 19:09:25.959 INFO [stderr]    |                ----^^^^^^^^^^
Dec 13 19:09:25.959 INFO [stderr]    |                |
Dec 13 19:09:25.959 INFO [stderr]    |                help: remove this `mut`
Dec 13 19:09:25.959 INFO [stderr]    |
Dec 13 19:09:25.959 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 19:09:25.959 INFO [stderr] 
Dec 13 19:09:26.978 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 13 19:09:26.982 INFO [stderr] su: No module specific data is present
Dec 13 19:09:27.359 INFO running `"docker" "inspect" "15b7cd04342b828af159a82df43bb768b85d6f507992c7808b326f515c53fc9b"`
Dec 13 19:09:27.507 INFO running `"docker" "rm" "-f" "15b7cd04342b828af159a82df43bb768b85d6f507992c7808b326f515c53fc9b"`
Dec 13 19:09:27.631 INFO [stdout] 15b7cd04342b828af159a82df43bb768b85d6f507992c7808b326f515c53fc9b
Dec 13 19:09:27.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 19:09:27.993 INFO [stdout] dc478ce7cde4918b8fb8eaaa431b868654e34e04453e288eb33110f6ba4df23f
Dec 13 19:09:28.000 INFO running `"docker" "start" "-a" "dc478ce7cde4918b8fb8eaaa431b868654e34e04453e288eb33110f6ba4df23f"`
Dec 13 19:09:29.047 INFO [stderr] usermod: no changes
Dec 13 19:09:29.083 INFO [stderr]    Compiling rat12 v0.1.0 (/source)
Dec 13 19:09:29.927 INFO [stderr] warning: unused variable: `buf`
Dec 13 19:09:29.927 INFO [stderr]   --> src/cluster.rs:60:25
Dec 13 19:09:29.927 INFO [stderr]    |
Dec 13 19:09:29.927 INFO [stderr] 60 |     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
Dec 13 19:09:29.927 INFO [stderr]    |                         ^^^ help: consider using `_buf` instead
Dec 13 19:09:29.927 INFO [stderr]    |
Dec 13 19:09:29.927 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 19:09:29.927 INFO [stderr] 
Dec 13 19:09:29.967 INFO [stderr] warning: variable does not need to be mutable
Dec 13 19:09:29.967 INFO [stderr]   --> src/cluster.rs:31:16
Dec 13 19:09:29.967 INFO [stderr]    |
Dec 13 19:09:29.967 INFO [stderr] 31 |     pub fn new(mut descriptor: Arc<RwLock<T>>,
Dec 13 19:09:29.967 INFO [stderr]    |                ----^^^^^^^^^^
Dec 13 19:09:29.967 INFO [stderr]    |                |
Dec 13 19:09:29.967 INFO [stderr]    |                help: remove this `mut`
Dec 13 19:09:29.967 INFO [stderr]    |
Dec 13 19:09:29.967 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 19:09:29.967 INFO [stderr] 
Dec 13 19:09:30.392 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Dec 13 19:09:30.392 INFO [stderr] su: No module specific data is present
Dec 13 19:09:31.633 INFO running `"docker" "inspect" "dc478ce7cde4918b8fb8eaaa431b868654e34e04453e288eb33110f6ba4df23f"`
Dec 13 19:09:31.879 INFO running `"docker" "rm" "-f" "dc478ce7cde4918b8fb8eaaa431b868654e34e04453e288eb33110f6ba4df23f"`
Dec 13 19:09:32.255 INFO [stdout] dc478ce7cde4918b8fb8eaaa431b868654e34e04453e288eb33110f6ba4df23f
Dec 13 19:09:32.255 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 19:09:32.806 INFO [stdout] c77b52c5d46fc24041da5c5863064b171d7aaa4f5b1784c4afe6da2415873062
Dec 13 19:09:32.918 INFO running `"docker" "start" "-a" "c77b52c5d46fc24041da5c5863064b171d7aaa4f5b1784c4afe6da2415873062"`
Dec 13 19:09:34.127 INFO [stderr] usermod: no changes
Dec 13 19:09:34.170 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 19:09:34.174 INFO [stderr]      Running /target/debug/deps/rat12-336f4eaa037a5960
Dec 13 19:09:34.175 INFO [stdout] 
Dec 13 19:09:34.175 INFO [stdout] running 0 tests
Dec 13 19:09:34.175 INFO [stdout] 
Dec 13 19:09:34.175 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 19:09:34.175 INFO [stdout] 
Dec 13 19:09:34.191 INFO [stdout] 
Dec 13 19:09:34.191 INFO [stderr]      Running /target/debug/deps/rat12-70ccaedc4f1fae32
Dec 13 19:09:34.191 INFO [stdout] running 0 tests
Dec 13 19:09:34.191 INFO [stderr]    Doc-tests rat12
Dec 13 19:09:34.191 INFO [stdout] 
Dec 13 19:09:34.191 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 19:09:34.191 INFO [stdout] 
Dec 13 19:09:34.773 INFO [stdout] 
Dec 13 19:09:34.773 INFO [stdout] running 0 tests
Dec 13 19:09:34.774 INFO [stdout] 
Dec 13 19:09:34.774 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 19:09:34.774 INFO [stdout] 
Dec 13 19:09:34.781 INFO [stderr] su: No module specific data is present
Dec 13 19:09:35.796 INFO running `"docker" "inspect" "c77b52c5d46fc24041da5c5863064b171d7aaa4f5b1784c4afe6da2415873062"`
Dec 13 19:09:36.111 INFO running `"docker" "rm" "-f" "c77b52c5d46fc24041da5c5863064b171d7aaa4f5b1784c4afe6da2415873062"`
Dec 13 19:09:36.411 INFO [stdout] c77b52c5d46fc24041da5c5863064b171d7aaa4f5b1784c4afe6da2415873062