Dec 06 12:10:44.344 INFO testing LiteUnder/testing_rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 12:10:44.345 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 12:10:44.543 INFO [stdout] dd3b36e283da90421edd48af0d1fa3835e609030cb2074f71a750596a422d9d3
Dec 06 12:10:44.544 INFO running `"docker" "start" "-a" "dd3b36e283da90421edd48af0d1fa3835e609030cb2074f71a750596a422d9d3"`
Dec 06 12:10:44.916 INFO [stderr] usermod: no changes
Dec 06 12:10:44.940 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 06 12:10:45.210 INFO [stderr] warning: unused variable: `x`
Dec 06 12:10:45.210 INFO [stderr]   --> src/main.rs:12:9
Dec 06 12:10:45.210 INFO [stderr]    |
Dec 06 12:10:45.210 INFO [stderr] 12 |     let x = Some(5);
Dec 06 12:10:45.210 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 06 12:10:45.210 INFO [stderr]    |
Dec 06 12:10:45.210 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 12:10:45.210 INFO [stderr] 
Dec 06 12:10:45.210 INFO [stderr] warning: unused variable: `y`
Dec 06 12:10:45.210 INFO [stderr]   --> src/main.rs:13:9
Dec 06 12:10:45.210 INFO [stderr]    |
Dec 06 12:10:45.210 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 06 12:10:45.210 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 06 12:10:45.210 INFO [stderr] 
Dec 06 12:10:45.436 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 06 12:10:45.440 INFO [stderr] su: No module specific data is present
Dec 06 12:10:45.743 INFO running `"docker" "inspect" "dd3b36e283da90421edd48af0d1fa3835e609030cb2074f71a750596a422d9d3"`
Dec 06 12:10:45.862 INFO running `"docker" "rm" "-f" "dd3b36e283da90421edd48af0d1fa3835e609030cb2074f71a750596a422d9d3"`
Dec 06 12:10:45.969 INFO [stdout] dd3b36e283da90421edd48af0d1fa3835e609030cb2074f71a750596a422d9d3
Dec 06 12:10:45.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 12:10:46.196 INFO [stdout] bc4b8190185353bbf73747d2c6bc7ba52344919e84cab215b290d55a876ffaa3
Dec 06 12:10:46.202 INFO running `"docker" "start" "-a" "bc4b8190185353bbf73747d2c6bc7ba52344919e84cab215b290d55a876ffaa3"`
Dec 06 12:10:46.729 INFO [stderr] usermod: no changes
Dec 06 12:10:46.769 INFO [stderr]    Compiling testing_rust v0.1.0 (/source)
Dec 06 12:10:47.197 INFO [stderr] warning: unused variable: `x`
Dec 06 12:10:47.197 INFO [stderr]   --> src/main.rs:12:9
Dec 06 12:10:47.197 INFO [stderr]    |
Dec 06 12:10:47.197 INFO [stderr] 12 |     let x = Some(5);
Dec 06 12:10:47.197 INFO [stderr]    |         ^ help: consider using `_x` instead
Dec 06 12:10:47.197 INFO [stderr]    |
Dec 06 12:10:47.197 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 12:10:47.197 INFO [stderr] 
Dec 06 12:10:47.204 INFO [stderr] warning: unused variable: `y`
Dec 06 12:10:47.204 INFO [stderr]   --> src/main.rs:13:9
Dec 06 12:10:47.204 INFO [stderr]    |
Dec 06 12:10:47.204 INFO [stderr] 13 |     let y: Option<i8> = None;
Dec 06 12:10:47.204 INFO [stderr]    |         ^ help: consider using `_y` instead
Dec 06 12:10:47.204 INFO [stderr] 
Dec 06 12:10:47.462 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 06 12:10:47.462 INFO [stderr] su: No module specific data is present
Dec 06 12:10:47.745 INFO running `"docker" "inspect" "bc4b8190185353bbf73747d2c6bc7ba52344919e84cab215b290d55a876ffaa3"`
Dec 06 12:10:47.821 INFO running `"docker" "rm" "-f" "bc4b8190185353bbf73747d2c6bc7ba52344919e84cab215b290d55a876ffaa3"`
Dec 06 12:10:47.888 INFO [stdout] bc4b8190185353bbf73747d2c6bc7ba52344919e84cab215b290d55a876ffaa3
Dec 06 12:10:47.891 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 12:10:48.091 INFO [stdout] 59c8bc8acfe63602926a0f5add543043655009dbd7d1c992245019716825dac3
Dec 06 12:10:48.092 INFO running `"docker" "start" "-a" "59c8bc8acfe63602926a0f5add543043655009dbd7d1c992245019716825dac3"`
Dec 06 12:10:48.471 INFO [stderr] usermod: no changes
Dec 06 12:10:48.494 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 06 12:10:48.497 INFO [stderr]      Running /target/debug/deps/testing_rust-767add3ec05025fa
Dec 06 12:10:48.502 INFO [stdout] 
Dec 06 12:10:48.502 INFO [stdout] running 0 tests
Dec 06 12:10:48.502 INFO [stdout] 
Dec 06 12:10:48.502 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 12:10:48.502 INFO [stdout] 
Dec 06 12:10:48.504 INFO [stderr] su: No module specific data is present
Dec 06 12:10:48.729 INFO running `"docker" "inspect" "59c8bc8acfe63602926a0f5add543043655009dbd7d1c992245019716825dac3"`
Dec 06 12:10:48.799 INFO running `"docker" "rm" "-f" "59c8bc8acfe63602926a0f5add543043655009dbd7d1c992245019716825dac3"`
Dec 06 12:10:48.901 INFO [stdout] 59c8bc8acfe63602926a0f5add543043655009dbd7d1c992245019716825dac3