Dec 12 21:58:42.599 INFO testing vti/rust-test against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 21:58:42.599 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:58:43.111 INFO [stdout] 489861dc8523a8ae2906c08b7579c4971c02854c71ca8a7ab855c711fad3e569
Dec 12 21:58:43.119 INFO running `"docker" "start" "-a" "489861dc8523a8ae2906c08b7579c4971c02854c71ca8a7ab855c711fad3e569"`
Dec 12 21:58:44.210 INFO [stderr] usermod: no changes
Dec 12 21:58:44.249 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 12 21:58:44.483 INFO [stderr] warning: value assigned to `a` is never read
Dec 12 21:58:44.483 INFO [stderr]  --> src/main.rs:7:5
Dec 12 21:58:44.483 INFO [stderr]   |
Dec 12 21:58:44.483 INFO [stderr] 7 |     a = a + b;
Dec 12 21:58:44.483 INFO [stderr]   |     ^
Dec 12 21:58:44.483 INFO [stderr]   |
Dec 12 21:58:44.483 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 12 21:58:44.483 INFO [stderr] 
Dec 12 21:58:44.483 INFO [stderr] warning: variable does not need to be mutable
Dec 12 21:58:44.483 INFO [stderr]  --> src/main.rs:5:9
Dec 12 21:58:44.483 INFO [stderr]   |
Dec 12 21:58:44.483 INFO [stderr] 5 |     let mut b = 0;
Dec 12 21:58:44.483 INFO [stderr]   |         ----^
Dec 12 21:58:44.483 INFO [stderr]   |         |
Dec 12 21:58:44.483 INFO [stderr]   |         help: remove this `mut`
Dec 12 21:58:44.483 INFO [stderr]   |
Dec 12 21:58:44.483 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 21:58:44.483 INFO [stderr] 
Dec 12 21:58:44.807 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 12 21:58:44.807 INFO [stderr] su: No module specific data is present
Dec 12 21:58:45.467 INFO running `"docker" "inspect" "489861dc8523a8ae2906c08b7579c4971c02854c71ca8a7ab855c711fad3e569"`
Dec 12 21:58:45.754 INFO running `"docker" "rm" "-f" "489861dc8523a8ae2906c08b7579c4971c02854c71ca8a7ab855c711fad3e569"`
Dec 12 21:58:46.063 INFO [stdout] 489861dc8523a8ae2906c08b7579c4971c02854c71ca8a7ab855c711fad3e569
Dec 12 21:58:46.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:58:46.482 INFO [stdout] 9f28336ad16e8586299fd78eb971906acc94ec691c13a3e59e50bd6358703c56
Dec 12 21:58:46.570 INFO running `"docker" "start" "-a" "9f28336ad16e8586299fd78eb971906acc94ec691c13a3e59e50bd6358703c56"`
Dec 12 21:58:47.971 INFO [stderr] usermod: no changes
Dec 12 21:58:48.035 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 12 21:58:48.296 INFO [stderr] warning: value assigned to `a` is never read
Dec 12 21:58:48.296 INFO [stderr]  --> src/main.rs:7:5
Dec 12 21:58:48.296 INFO [stderr]   |
Dec 12 21:58:48.296 INFO [stderr] 7 |     a = a + b;
Dec 12 21:58:48.296 INFO [stderr]   |     ^
Dec 12 21:58:48.296 INFO [stderr]   |
Dec 12 21:58:48.296 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 12 21:58:48.296 INFO [stderr] 
Dec 12 21:58:48.296 INFO [stderr] warning: variable does not need to be mutable
Dec 12 21:58:48.296 INFO [stderr]  --> src/main.rs:5:9
Dec 12 21:58:48.296 INFO [stderr]   |
Dec 12 21:58:48.296 INFO [stderr] 5 |     let mut b = 0;
Dec 12 21:58:48.296 INFO [stderr]   |         ----^
Dec 12 21:58:48.296 INFO [stderr]   |         |
Dec 12 21:58:48.296 INFO [stderr]   |         help: remove this `mut`
Dec 12 21:58:48.296 INFO [stderr]   |
Dec 12 21:58:48.296 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 21:58:48.296 INFO [stderr] 
Dec 12 21:58:48.682 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 12 21:58:48.685 INFO [stderr] su: No module specific data is present
Dec 12 21:58:49.514 INFO running `"docker" "inspect" "9f28336ad16e8586299fd78eb971906acc94ec691c13a3e59e50bd6358703c56"`
Dec 12 21:58:49.884 INFO running `"docker" "rm" "-f" "9f28336ad16e8586299fd78eb971906acc94ec691c13a3e59e50bd6358703c56"`
Dec 12 21:58:50.147 INFO [stdout] 9f28336ad16e8586299fd78eb971906acc94ec691c13a3e59e50bd6358703c56
Dec 12 21:58:50.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 12 21:58:50.772 INFO [stdout] 11fc7d3e588b13d155727b10b6d0d39adad34c35ddea6286908febe35b897631
Dec 12 21:58:50.774 INFO running `"docker" "start" "-a" "11fc7d3e588b13d155727b10b6d0d39adad34c35ddea6286908febe35b897631"`
Dec 12 21:58:51.811 INFO [stderr] usermod: no changes
Dec 12 21:58:51.880 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 12 21:58:51.880 INFO [stderr]      Running /target/debug/deps/rust_test-86bd076998bb1fdd
Dec 12 21:58:51.881 INFO [stdout] 
Dec 12 21:58:51.881 INFO [stdout] running 0 tests
Dec 12 21:58:51.883 INFO [stdout] 
Dec 12 21:58:51.883 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 21:58:51.883 INFO [stdout] 
Dec 12 21:58:51.887 INFO [stderr] su: No module specific data is present
Dec 12 21:58:52.701 INFO running `"docker" "inspect" "11fc7d3e588b13d155727b10b6d0d39adad34c35ddea6286908febe35b897631"`
Dec 12 21:58:52.897 INFO running `"docker" "rm" "-f" "11fc7d3e588b13d155727b10b6d0d39adad34c35ddea6286908febe35b897631"`
Dec 12 21:58:53.021 INFO [stdout] 11fc7d3e588b13d155727b10b6d0d39adad34c35ddea6286908febe35b897631