Dec 13 15:28:25.513 INFO testing jinkaitoo/hello_world against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 15:28:25.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 15:28:25.899 INFO [stdout] 261d6a3d44d4476ae2d5086c8e3ba312d4edb0aac81d0daee3640a8db0ac781b
Dec 13 15:28:25.903 INFO running `"docker" "start" "-a" "261d6a3d44d4476ae2d5086c8e3ba312d4edb0aac81d0daee3640a8db0ac781b"`
Dec 13 15:28:26.754 INFO [stderr] usermod: no changes
Dec 13 15:28:26.784 INFO [stderr]    Compiling hello_world v0.1.0 (/source)
Dec 13 15:28:27.079 INFO [stderr] warning: value assigned to `x` is never read
Dec 13 15:28:27.079 INFO [stderr]  --> src/main.rs:2:13
Dec 13 15:28:27.079 INFO [stderr]   |
Dec 13 15:28:27.079 INFO [stderr] 2 |     let mut x: i32 = 1;
Dec 13 15:28:27.079 INFO [stderr]   |             ^
Dec 13 15:28:27.079 INFO [stderr]   |
Dec 13 15:28:27.079 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 13 15:28:27.079 INFO [stderr] 
Dec 13 15:28:27.079 INFO [stderr] warning: unused variable: `y`
Dec 13 15:28:27.079 INFO [stderr]  --> src/main.rs:6:9
Dec 13 15:28:27.079 INFO [stderr]   |
Dec 13 15:28:27.079 INFO [stderr] 6 |     let y = 4;
Dec 13 15:28:27.079 INFO [stderr]   |         ^ help: consider using `_y` instead
Dec 13 15:28:27.079 INFO [stderr]   |
Dec 13 15:28:27.079 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 15:28:27.079 INFO [stderr] 
Dec 13 15:28:27.315 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 13 15:28:27.322 INFO [stderr] su: No module specific data is present
Dec 13 15:28:27.620 INFO running `"docker" "inspect" "261d6a3d44d4476ae2d5086c8e3ba312d4edb0aac81d0daee3640a8db0ac781b"`
Dec 13 15:28:27.802 INFO running `"docker" "rm" "-f" "261d6a3d44d4476ae2d5086c8e3ba312d4edb0aac81d0daee3640a8db0ac781b"`
Dec 13 15:28:27.973 INFO [stdout] 261d6a3d44d4476ae2d5086c8e3ba312d4edb0aac81d0daee3640a8db0ac781b
Dec 13 15:28:27.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 15:28:28.251 INFO [stdout] 8b25908db7b97c68d14722a9169efd77316564dfb8272fd78be5299e902b3e83
Dec 13 15:28:28.253 INFO running `"docker" "start" "-a" "8b25908db7b97c68d14722a9169efd77316564dfb8272fd78be5299e902b3e83"`
Dec 13 15:28:28.645 INFO [stderr] usermod: no changes
Dec 13 15:28:28.712 INFO [stderr]    Compiling hello_world v0.1.0 (/source)
Dec 13 15:28:28.991 INFO [stderr] warning: value assigned to `x` is never read
Dec 13 15:28:28.991 INFO [stderr]  --> src/main.rs:2:13
Dec 13 15:28:28.991 INFO [stderr]   |
Dec 13 15:28:28.991 INFO [stderr] 2 |     let mut x: i32 = 1;
Dec 13 15:28:28.991 INFO [stderr]   |             ^
Dec 13 15:28:28.991 INFO [stderr]   |
Dec 13 15:28:28.991 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 13 15:28:28.991 INFO [stderr] 
Dec 13 15:28:28.991 INFO [stderr] warning: unused variable: `y`
Dec 13 15:28:28.991 INFO [stderr]  --> src/main.rs:6:9
Dec 13 15:28:29.140 INFO [stderr]   |
Dec 13 15:28:29.140 INFO [stderr] 6 |     let y = 4;
Dec 13 15:28:29.140 INFO [stderr]   |         ^ help: consider using `_y` instead
Dec 13 15:28:29.140 INFO [stderr]   |
Dec 13 15:28:29.140 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 13 15:28:29.140 INFO [stderr] 
Dec 13 15:28:29.170 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 13 15:28:29.171 INFO [stderr] su: No module specific data is present
Dec 13 15:28:29.434 INFO running `"docker" "inspect" "8b25908db7b97c68d14722a9169efd77316564dfb8272fd78be5299e902b3e83"`
Dec 13 15:28:29.532 INFO running `"docker" "rm" "-f" "8b25908db7b97c68d14722a9169efd77316564dfb8272fd78be5299e902b3e83"`
Dec 13 15:28:29.610 INFO [stdout] 8b25908db7b97c68d14722a9169efd77316564dfb8272fd78be5299e902b3e83
Dec 13 15:28:29.618 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 13 15:28:29.822 INFO [stdout] 04b6b31059357714e6a259fbd191dd98aa89c341bde57faea2ceb53a1d3fa949
Dec 13 15:28:29.824 INFO running `"docker" "start" "-a" "04b6b31059357714e6a259fbd191dd98aa89c341bde57faea2ceb53a1d3fa949"`
Dec 13 15:28:30.526 INFO [stderr] usermod: no changes
Dec 13 15:28:30.578 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 15:28:30.578 INFO [stderr]      Running /target/debug/deps/hello_world-2382f10fef237fcd
Dec 13 15:28:30.585 INFO [stdout] 
Dec 13 15:28:30.585 INFO [stdout] running 0 tests
Dec 13 15:28:30.585 INFO [stdout] 
Dec 13 15:28:30.585 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 15:28:30.585 INFO [stdout] 
Dec 13 15:28:30.599 INFO [stderr] su: No module specific data is present
Dec 13 15:28:31.088 INFO running `"docker" "inspect" "04b6b31059357714e6a259fbd191dd98aa89c341bde57faea2ceb53a1d3fa949"`
Dec 13 15:28:31.380 INFO running `"docker" "rm" "-f" "04b6b31059357714e6a259fbd191dd98aa89c341bde57faea2ceb53a1d3fa949"`
Dec 13 15:28:31.637 INFO [stdout] 04b6b31059357714e6a259fbd191dd98aa89c341bde57faea2ceb53a1d3fa949