Dec 05 02:23:13.946 INFO testing vti/rust-test against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 02:23:13.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 05 02:23:14.324 INFO [stdout] 81e7e43eee41a59907ac382c71fa0b490ba6a961fa607b6b2c82dbb2b98ab2ab
Dec 05 02:23:14.330 INFO running `"docker" "start" "-a" "81e7e43eee41a59907ac382c71fa0b490ba6a961fa607b6b2c82dbb2b98ab2ab"`
Dec 05 02:23:15.256 INFO [stderr] usermod: no changes
Dec 05 02:23:15.340 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 05 02:23:15.504 INFO [stderr] warning: value assigned to `a` is never read
Dec 05 02:23:15.504 INFO [stderr]  --> src/main.rs:7:5
Dec 05 02:23:15.504 INFO [stderr]   |
Dec 05 02:23:15.504 INFO [stderr] 7 |     a = a + b;
Dec 05 02:23:15.504 INFO [stderr]   |     ^
Dec 05 02:23:15.504 INFO [stderr]   |
Dec 05 02:23:15.512 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 05 02:23:15.512 INFO [stderr] 
Dec 05 02:23:15.512 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:23:15.512 INFO [stderr]  --> src/main.rs:5:9
Dec 05 02:23:15.512 INFO [stderr]   |
Dec 05 02:23:15.512 INFO [stderr] 5 |     let mut b = 0;
Dec 05 02:23:15.512 INFO [stderr]   |         ----^
Dec 05 02:23:15.512 INFO [stderr]   |         |
Dec 05 02:23:15.512 INFO [stderr]   |         help: remove this `mut`
Dec 05 02:23:15.512 INFO [stderr]   |
Dec 05 02:23:15.512 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 02:23:15.512 INFO [stderr] 
Dec 05 02:23:15.749 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 05 02:23:15.752 INFO [stderr] su: No module specific data is present
Dec 05 02:23:16.679 INFO running `"docker" "inspect" "81e7e43eee41a59907ac382c71fa0b490ba6a961fa607b6b2c82dbb2b98ab2ab"`
Dec 05 02:23:17.038 INFO running `"docker" "rm" "-f" "81e7e43eee41a59907ac382c71fa0b490ba6a961fa607b6b2c82dbb2b98ab2ab"`
Dec 05 02:23:17.352 INFO [stdout] 81e7e43eee41a59907ac382c71fa0b490ba6a961fa607b6b2c82dbb2b98ab2ab
Dec 05 02:23:17.358 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 05 02:23:17.977 INFO [stdout] 016b27b4deb099ac504fbf9c98535832508e4f284d42440e3a16759db9706818
Dec 05 02:23:17.988 INFO running `"docker" "start" "-a" "016b27b4deb099ac504fbf9c98535832508e4f284d42440e3a16759db9706818"`
Dec 05 02:23:18.956 INFO [stderr] usermod: no changes
Dec 05 02:23:19.030 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 05 02:23:19.236 INFO [stderr] warning: value assigned to `a` is never read
Dec 05 02:23:19.236 INFO [stderr]  --> src/main.rs:7:5
Dec 05 02:23:19.236 INFO [stderr]   |
Dec 05 02:23:19.236 INFO [stderr] 7 |     a = a + b;
Dec 05 02:23:19.236 INFO [stderr]   |     ^
Dec 05 02:23:19.236 INFO [stderr]   |
Dec 05 02:23:19.236 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 05 02:23:19.236 INFO [stderr] 
Dec 05 02:23:19.244 INFO [stderr] warning: variable does not need to be mutable
Dec 05 02:23:19.244 INFO [stderr]  --> src/main.rs:5:9
Dec 05 02:23:19.244 INFO [stderr]   |
Dec 05 02:23:19.244 INFO [stderr] 5 |     let mut b = 0;
Dec 05 02:23:19.244 INFO [stderr]   |         ----^
Dec 05 02:23:19.244 INFO [stderr]   |         |
Dec 05 02:23:19.244 INFO [stderr]   |         help: remove this `mut`
Dec 05 02:23:19.244 INFO [stderr]   |
Dec 05 02:23:19.244 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 02:23:19.244 INFO [stderr] 
Dec 05 02:23:19.575 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 05 02:23:19.580 INFO [stderr] su: No module specific data is present
Dec 05 02:23:20.164 INFO running `"docker" "inspect" "016b27b4deb099ac504fbf9c98535832508e4f284d42440e3a16759db9706818"`
Dec 05 02:23:20.410 INFO running `"docker" "rm" "-f" "016b27b4deb099ac504fbf9c98535832508e4f284d42440e3a16759db9706818"`
Dec 05 02:23:20.760 INFO [stdout] 016b27b4deb099ac504fbf9c98535832508e4f284d42440e3a16759db9706818
Dec 05 02:23:20.772 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 05 02:23:21.338 INFO [stdout] 3de257bd5ac7e0fe8f71ab6714a5446dac4b33e73c96b246881c4a4df6d9f909
Dec 05 02:23:21.342 INFO running `"docker" "start" "-a" "3de257bd5ac7e0fe8f71ab6714a5446dac4b33e73c96b246881c4a4df6d9f909"`
Dec 05 02:23:22.587 INFO [stderr] usermod: no changes
Dec 05 02:23:22.648 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 05 02:23:22.648 INFO [stderr]      Running /target/debug/deps/rust_test-d88d75488996d5d8
Dec 05 02:23:22.648 INFO [stdout] 
Dec 05 02:23:22.648 INFO [stdout] running 0 tests
Dec 05 02:23:22.648 INFO [stdout] 
Dec 05 02:23:22.648 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 02:23:22.648 INFO [stdout] 
Dec 05 02:23:22.656 INFO [stderr] su: No module specific data is present
Dec 05 02:23:23.264 INFO running `"docker" "inspect" "3de257bd5ac7e0fe8f71ab6714a5446dac4b33e73c96b246881c4a4df6d9f909"`
Dec 05 02:23:23.604 INFO running `"docker" "rm" "-f" "3de257bd5ac7e0fe8f71ab6714a5446dac4b33e73c96b246881c4a4df6d9f909"`
Dec 05 02:23:24.116 INFO [stdout] 3de257bd5ac7e0fe8f71ab6714a5446dac4b33e73c96b246881c4a4df6d9f909