Dec 13 08:23:13.089 INFO testing ohira-ryoji/ruststudy against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 08:23:13.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:23:13.616 INFO [stdout] 745c304140a19bab0223b2862340353784cbb41a9322c5ffbe924f73843046da
Dec 13 08:23:13.623 INFO running `"docker" "start" "-a" "745c304140a19bab0223b2862340353784cbb41a9322c5ffbe924f73843046da"`
Dec 13 08:23:15.443 INFO [stderr] usermod: no changes
Dec 13 08:23:15.507 INFO [stderr]    Compiling study v0.1.0 (/source)
Dec 13 08:23:16.199 INFO [stderr] warning: value assigned to `y` is never read
Dec 13 08:23:16.199 INFO [stderr]  --> src/sample01.rs:4:17
Dec 13 08:23:16.199 INFO [stderr]   |
Dec 13 08:23:16.199 INFO [stderr] 4 |         let mut y = x;
Dec 13 08:23:16.199 INFO [stderr]   |                 ^
Dec 13 08:23:16.199 INFO [stderr]   |
Dec 13 08:23:16.199 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 13 08:23:16.199 INFO [stderr] 
Dec 13 08:23:17.027 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
Dec 13 08:23:17.027 INFO [stderr] su: No module specific data is present
Dec 13 08:23:18.207 INFO running `"docker" "inspect" "745c304140a19bab0223b2862340353784cbb41a9322c5ffbe924f73843046da"`
Dec 13 08:23:18.563 INFO running `"docker" "rm" "-f" "745c304140a19bab0223b2862340353784cbb41a9322c5ffbe924f73843046da"`
Dec 13 08:23:18.918 INFO [stdout] 745c304140a19bab0223b2862340353784cbb41a9322c5ffbe924f73843046da
Dec 13 08:23:18.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:23:19.457 INFO [stdout] fc9ae012e4f1923bf17c1447932335c2914793a4804910929c49257174c30b39
Dec 13 08:23:19.460 INFO running `"docker" "start" "-a" "fc9ae012e4f1923bf17c1447932335c2914793a4804910929c49257174c30b39"`
Dec 13 08:23:21.334 INFO [stderr] usermod: no changes
Dec 13 08:23:21.411 INFO [stderr]    Compiling study v0.1.0 (/source)
Dec 13 08:23:22.339 INFO [stderr] warning: value assigned to `y` is never read
Dec 13 08:23:22.339 INFO [stderr]  --> src/sample01.rs:4:17
Dec 13 08:23:22.339 INFO [stderr]   |
Dec 13 08:23:22.339 INFO [stderr] 4 |         let mut y = x;
Dec 13 08:23:22.339 INFO [stderr]   |                 ^
Dec 13 08:23:22.339 INFO [stderr]   |
Dec 13 08:23:22.339 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 13 08:23:22.339 INFO [stderr] 
Dec 13 08:23:22.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 13 08:23:22.791 INFO [stderr] su: No module specific data is present
Dec 13 08:23:23.867 INFO running `"docker" "inspect" "fc9ae012e4f1923bf17c1447932335c2914793a4804910929c49257174c30b39"`
Dec 13 08:23:24.248 INFO running `"docker" "rm" "-f" "fc9ae012e4f1923bf17c1447932335c2914793a4804910929c49257174c30b39"`
Dec 13 08:23:24.503 INFO [stdout] fc9ae012e4f1923bf17c1447932335c2914793a4804910929c49257174c30b39
Dec 13 08:23:24.508 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:23:24.927 INFO [stdout] 79bb6baae07b1e1ae62101b2d54e8cf34bf6c3b15507f3123043c5d4f24f9e4c
Dec 13 08:23:24.929 INFO running `"docker" "start" "-a" "79bb6baae07b1e1ae62101b2d54e8cf34bf6c3b15507f3123043c5d4f24f9e4c"`
Dec 13 08:23:26.818 INFO [stderr] usermod: no changes
Dec 13 08:23:26.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 13 08:23:26.919 INFO [stderr]      Running /target/debug/deps/study-7f160fcdaa3d56ba
Dec 13 08:23:26.926 INFO [stdout] 
Dec 13 08:23:26.926 INFO [stdout] running 0 tests
Dec 13 08:23:26.926 INFO [stdout] 
Dec 13 08:23:26.926 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 08:23:26.926 INFO [stdout] 
Dec 13 08:23:26.927 INFO [stderr]      Running /target/debug/deps/study-8527bc03b8b7ea92
Dec 13 08:23:26.935 INFO [stdout] 
Dec 13 08:23:26.935 INFO [stdout] running 0 tests
Dec 13 08:23:26.935 INFO [stdout] 
Dec 13 08:23:26.935 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 08:23:26.935 INFO [stdout] 
Dec 13 08:23:26.939 INFO [stderr]    Doc-tests study
Dec 13 08:23:27.374 INFO [stdout] 
Dec 13 08:23:27.374 INFO [stdout] running 0 tests
Dec 13 08:23:27.374 INFO [stdout] 
Dec 13 08:23:27.374 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 08:23:27.374 INFO [stdout] 
Dec 13 08:23:27.387 INFO [stderr] su: No module specific data is present
Dec 13 08:23:28.647 INFO running `"docker" "inspect" "79bb6baae07b1e1ae62101b2d54e8cf34bf6c3b15507f3123043c5d4f24f9e4c"`
Dec 13 08:23:29.069 INFO running `"docker" "rm" "-f" "79bb6baae07b1e1ae62101b2d54e8cf34bf6c3b15507f3123043c5d4f24f9e4c"`
Dec 13 08:23:29.363 INFO [stdout] 79bb6baae07b1e1ae62101b2d54e8cf34bf6c3b15507f3123043c5d4f24f9e4c