Sep 10 05:12:07.838 INFO checking RustPython/RustPython against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 05:12:07.838 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 05:12:07.838 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/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 05:12:08.140 INFO blam! 17d36db9bbac60c78239d746e5cbd4bfddbd7065819a178145f60202ff69cebf
Sep 10 05:12:08.143 INFO running `"docker" "start" "-a" "17d36db9bbac60c78239d746e5cbd4bfddbd7065819a178145f60202ff69cebf"`
Sep 10 05:12:09.474 INFO kablam! usermod: no changes
Sep 10 05:12:09.733 INFO kablam!    Compiling ryu v0.2.5
Sep 10 05:12:09.762 INFO kablam!    Compiling petgraph v0.4.13
Sep 10 05:12:09.783 INFO kablam!     Checking clap v2.31.2
Sep 10 05:12:09.783 INFO kablam!     Checking regex v1.0.0
Sep 10 05:12:09.783 INFO kablam!    Compiling docopt v0.8.3
Sep 10 05:12:09.783 INFO kablam!    Compiling string_cache v0.7.3
Sep 10 05:12:09.783 INFO kablam!    Compiling sha2 v0.7.1
Sep 10 05:12:16.114 INFO kablam!     Checking serde_json v1.0.26
Sep 10 05:12:28.039 INFO kablam!     Checking env_logger v0.5.10
Sep 10 05:12:30.726 INFO kablam!    Compiling lalrpop-snap v0.15.2
Sep 10 05:17:30.645 INFO error running command: process killed after not generating output for  300s
Sep 10 05:17:30.645 INFO running `"docker" "rm" "-f" "17d36db9bbac60c78239d746e5cbd4bfddbd7065819a178145f60202ff69cebf"`
Sep 10 05:17:31.724 INFO blam! 17d36db9bbac60c78239d746e5cbd4bfddbd7065819a178145f60202ff69cebf