Sep 10 11:50:58.914 INFO checking reproto-backend-doc-0.3.36 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 11:50:58.914 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 11:50:58.915 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 11:50:59.106 INFO blam! 8605b94f645d2d2bd7e410dadd4c4e215fa29e1ed8e4ba8bba5dbb0d934cac86
Sep 10 11:50:59.108 INFO running `"docker" "start" "-a" "8605b94f645d2d2bd7e410dadd4c4e215fa29e1ed8e4ba8bba5dbb0d934cac86"`
Sep 10 11:50:59.706 INFO kablam! usermod: no changes
Sep 10 11:50:59.971 INFO kablam!    Compiling pest v0.3.3
Sep 10 11:50:59.971 INFO kablam!    Compiling pulldown-cmark v0.0.14
Sep 10 11:50:59.977 INFO kablam!    Compiling toml v0.4.6
Sep 10 11:50:59.979 INFO kablam!     Checking yaml-rust v0.4.0
Sep 10 11:50:59.980 INFO kablam!    Compiling lalrpop-snap v0.15.2
Sep 10 11:51:01.683 INFO kablam!    Compiling handlebars v0.27.0
Sep 10 11:51:06.722 INFO kablam!     Checking syntect v2.1.0
Sep 10 11:51:27.218 INFO kablam!    Compiling reproto-backend-doc v0.3.36 (file:///source)
Sep 10 11:56:27.211 INFO error running command: process killed after not generating output for  300s
Sep 10 11:56:27.211 INFO running `"docker" "rm" "-f" "8605b94f645d2d2bd7e410dadd4c4e215fa29e1ed8e4ba8bba5dbb0d934cac86"`
Sep 10 11:56:27.854 INFO blam! 8605b94f645d2d2bd7e410dadd4c4e215fa29e1ed8e4ba8bba5dbb0d934cac86