Dec 12 21:58:27.669 INFO testing vti/rust-test against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 12 21:58:27.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 21:58:28.121 INFO [stdout] a1760e39cbeeb37dfce875b81673b028f8ba9d811c368bdd1cdd8a7a8ee27a15
Dec 12 21:58:28.123 INFO running `"docker" "start" "-a" "a1760e39cbeeb37dfce875b81673b028f8ba9d811c368bdd1cdd8a7a8ee27a15"`
Dec 12 21:58:30.223 INFO [stderr] usermod: no changes
Dec 12 21:58:30.295 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 12 21:58:30.511 INFO [stderr] warning: value assigned to `a` is never read
Dec 12 21:58:30.511 INFO [stderr]  --> src/main.rs:7:5
Dec 12 21:58:30.511 INFO [stderr]   |
Dec 12 21:58:30.512 INFO [stderr] 7 |     a = a + b;
Dec 12 21:58:30.512 INFO [stderr]   |     ^
Dec 12 21:58:30.512 INFO [stderr]   |
Dec 12 21:58:30.512 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 12 21:58:30.512 INFO [stderr] 
Dec 12 21:58:30.515 INFO [stderr] warning: variable does not need to be mutable
Dec 12 21:58:30.515 INFO [stderr]  --> src/main.rs:5:9
Dec 12 21:58:30.515 INFO [stderr]   |
Dec 12 21:58:30.516 INFO [stderr] 5 |     let mut b = 0;
Dec 12 21:58:30.516 INFO [stderr]   |         ----^
Dec 12 21:58:30.516 INFO [stderr]   |         |
Dec 12 21:58:30.516 INFO [stderr]   |         help: remove this `mut`
Dec 12 21:58:30.516 INFO [stderr]   |
Dec 12 21:58:30.516 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 21:58:30.517 INFO [stderr] 
Dec 12 21:58:30.792 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 12 21:58:30.794 INFO [stderr] su: No module specific data is present
Dec 12 21:58:32.167 INFO running `"docker" "inspect" "a1760e39cbeeb37dfce875b81673b028f8ba9d811c368bdd1cdd8a7a8ee27a15"`
Dec 12 21:58:32.465 INFO running `"docker" "rm" "-f" "a1760e39cbeeb37dfce875b81673b028f8ba9d811c368bdd1cdd8a7a8ee27a15"`
Dec 12 21:58:32.799 INFO [stdout] a1760e39cbeeb37dfce875b81673b028f8ba9d811c368bdd1cdd8a7a8ee27a15
Dec 12 21:58:32.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 21:58:33.351 INFO [stdout] f24b699c40361643b0f9cc745630c2228e3059bdad36a5c534eef5e2528b72e4
Dec 12 21:58:33.353 INFO running `"docker" "start" "-a" "f24b699c40361643b0f9cc745630c2228e3059bdad36a5c534eef5e2528b72e4"`
Dec 12 21:58:35.370 INFO [stderr] usermod: no changes
Dec 12 21:58:35.439 INFO [stderr]    Compiling rust-test v0.1.0 (/source)
Dec 12 21:58:35.707 INFO [stderr] warning: value assigned to `a` is never read
Dec 12 21:58:35.707 INFO [stderr]  --> src/main.rs:7:5
Dec 12 21:58:35.707 INFO [stderr]   |
Dec 12 21:58:35.707 INFO [stderr] 7 |     a = a + b;
Dec 12 21:58:35.707 INFO [stderr]   |     ^
Dec 12 21:58:35.707 INFO [stderr]   |
Dec 12 21:58:35.707 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 12 21:58:35.707 INFO [stderr] 
Dec 12 21:58:35.707 INFO [stderr] warning: variable does not need to be mutable
Dec 12 21:58:35.707 INFO [stderr]  --> src/main.rs:5:9
Dec 12 21:58:35.707 INFO [stderr]   |
Dec 12 21:58:35.707 INFO [stderr] 5 |     let mut b = 0;
Dec 12 21:58:35.707 INFO [stderr]   |         ----^
Dec 12 21:58:35.707 INFO [stderr]   |         |
Dec 12 21:58:35.707 INFO [stderr]   |         help: remove this `mut`
Dec 12 21:58:35.707 INFO [stderr]   |
Dec 12 21:58:35.707 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 12 21:58:35.707 INFO [stderr] 
Dec 12 21:58:36.038 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 12 21:58:36.040 INFO [stderr] su: No module specific data is present
Dec 12 21:58:37.048 INFO running `"docker" "inspect" "f24b699c40361643b0f9cc745630c2228e3059bdad36a5c534eef5e2528b72e4"`
Dec 12 21:58:37.429 INFO running `"docker" "rm" "-f" "f24b699c40361643b0f9cc745630c2228e3059bdad36a5c534eef5e2528b72e4"`
Dec 12 21:58:37.835 INFO [stdout] f24b699c40361643b0f9cc745630c2228e3059bdad36a5c534eef5e2528b72e4
Dec 12 21:58:37.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 21:58:38.308 INFO [stdout] 674df5c683577d8f79aaa5a2d180309275ed568ee1f395d70298d72cfc8a7e6c
Dec 12 21:58:38.310 INFO running `"docker" "start" "-a" "674df5c683577d8f79aaa5a2d180309275ed568ee1f395d70298d72cfc8a7e6c"`
Dec 12 21:58:40.301 INFO [stderr] usermod: no changes
Dec 12 21:58:40.347 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 12 21:58:40.347 INFO [stderr]      Running /target/debug/deps/rust_test-f6d1d19a74fc9e72
Dec 12 21:58:40.347 INFO [stderr] su: No module specific data is present
Dec 12 21:58:40.347 INFO [stdout] 
Dec 12 21:58:40.347 INFO [stdout] running 0 tests
Dec 12 21:58:40.347 INFO [stdout] 
Dec 12 21:58:40.347 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 21:58:40.347 INFO [stdout] 
Dec 12 21:58:42.025 INFO running `"docker" "inspect" "674df5c683577d8f79aaa5a2d180309275ed568ee1f395d70298d72cfc8a7e6c"`
Dec 12 21:58:42.197 INFO running `"docker" "rm" "-f" "674df5c683577d8f79aaa5a2d180309275ed568ee1f395d70298d72cfc8a7e6c"`
Dec 12 21:58:42.523 INFO [stdout] 674df5c683577d8f79aaa5a2d180309275ed568ee1f395d70298d72cfc8a7e6c