Dec 11 21:04:35.021 INFO checking cerenali/multitetris against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 21:04:35.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-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 11 21:04:35.311 INFO [stdout] 4ea211c9f1e30f3361456ba160ca4a794112c71492bdf5ef46026f26f48af3d4
Dec 11 21:04:35.318 INFO running `"docker" "start" "-a" "4ea211c9f1e30f3361456ba160ca4a794112c71492bdf5ef46026f26f48af3d4"`
Dec 11 21:04:35.983 INFO [stderr] usermod: no changes
Dec 11 21:04:36.328 INFO [stderr]    Compiling serde_json v0.8.3
Dec 11 21:04:36.328 INFO [stderr]    Compiling openssl-sys-extras v0.7.14
Dec 11 21:04:36.328 INFO [stderr]    Compiling openssl v0.7.14
Dec 11 21:04:36.348 INFO [stderr]    Compiling phf_generator v0.7.20
Dec 11 21:04:36.348 INFO [stderr]     Checking openssl-sys v0.7.17
Dec 11 21:04:36.348 INFO [stderr]     Checking image v0.10.4
Dec 11 21:04:37.112 INFO [stderr]    Compiling phf_codegen v0.7.20
Dec 11 21:04:38.544 INFO [stderr]    Compiling target_build_utils v0.1.2
Dec 11 21:04:42.527 INFO [stderr]     Checking cookie v0.2.5
Dec 11 21:04:42.527 INFO [stderr]     Checking openssl-verify v0.1.0
Dec 11 21:04:44.952 INFO [stderr]     Checking hyper v0.9.13
Dec 11 21:04:46.340 INFO [stderr]     Checking piston2d-opengl_graphics v0.36.1
Dec 11 21:04:52.050 INFO [stderr]     Checking websocket v0.17.1
Dec 11 21:04:56.086 INFO [stderr]    Compiling libloading v0.3.1
Dec 11 21:04:58.544 INFO [stderr]     Checking dlib v0.3.1
Dec 11 21:04:58.982 INFO [stderr]     Checking wayland-sys v0.5.11
Dec 11 21:04:59.608 INFO [stderr]     Checking wayland-client v0.5.12
Dec 11 21:05:01.214 INFO [stderr]     Checking wayland-kbd v0.3.6
Dec 11 21:05:01.214 INFO [stderr]     Checking wayland-window v0.2.3
Dec 11 21:05:02.472 INFO [stderr]     Checking glutin v0.6.2
Dec 11 21:05:04.952 INFO [stderr]     Checking pistoncore-glutin_window v0.31.0
Dec 11 21:05:06.145 INFO [stderr]     Checking tetris v0.1.0 (/source)
Dec 11 21:05:09.888 INFO [stderr] warning: type alias is never used: `Result`
Dec 11 21:05:09.888 INFO [stderr]  --> src/block.rs:4:1
Dec 11 21:05:09.888 INFO [stderr]   |
Dec 11 21:05:09.888 INFO [stderr] 4 | pub type Result<T> = result::Result<T, String>;
Dec 11 21:05:09.888 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:05:09.888 INFO [stderr]   |
Dec 11 21:05:09.888 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 21:05:09.888 INFO [stderr] 
Dec 11 21:05:09.972 INFO [stderr] warning: type alias is never used: `Result`
Dec 11 21:05:09.972 INFO [stderr]  --> src/block.rs:4:1
Dec 11 21:05:09.972 INFO [stderr]   |
Dec 11 21:05:09.972 INFO [stderr] 4 | pub type Result<T> = result::Result<T, String>;
Dec 11 21:05:09.972 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:05:09.972 INFO [stderr]   |
Dec 11 21:05:09.972 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 21:05:09.972 INFO [stderr] 
Dec 11 21:05:10.001 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.00s
Dec 11 21:05:10.019 INFO [stderr] su: No module specific data is present
Dec 11 21:05:10.522 INFO running `"docker" "inspect" "4ea211c9f1e30f3361456ba160ca4a794112c71492bdf5ef46026f26f48af3d4"`
Dec 11 21:05:10.719 INFO running `"docker" "rm" "-f" "4ea211c9f1e30f3361456ba160ca4a794112c71492bdf5ef46026f26f48af3d4"`
Dec 11 21:05:10.901 INFO [stdout] 4ea211c9f1e30f3361456ba160ca4a794112c71492bdf5ef46026f26f48af3d4