Oct 12 22:52:25.362 INFO checking dbchuck/hyper_stackoverflow against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 22:52:25.363 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 22:52:25.829 INFO blam! 3c6fa96eba30e28e777f475179769d8996dcc158fe9ad4dfb605885c810c34e8
Oct 12 22:52:25.837 INFO running `"docker" "start" "-a" "3c6fa96eba30e28e777f475179769d8996dcc158fe9ad4dfb605885c810c34e8"`
Oct 12 22:52:27.332 INFO kablam! usermod: no changes
Oct 12 22:52:27.701 INFO kablam!     Checking tokio-core v0.1.17
Oct 12 22:52:30.245 INFO kablam!     Checking tokio-proto v0.1.1
Oct 12 22:52:30.246 INFO kablam!     Checking tokio-tls v0.1.4
Oct 12 22:52:34.756 INFO kablam!     Checking hyper v0.11.27
Oct 12 22:52:41.012 INFO kablam!     Checking hyper-tls v0.1.3
Oct 12 22:52:43.438 INFO kablam!     Checking hyper-proxy v0.4.1
Oct 12 22:52:45.880 INFO kablam!     Checking hyper v0.1.0 (/source)
Oct 12 22:52:49.333 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.94s
Oct 12 22:52:49.353 INFO kablam! su: No module specific data is present
Oct 12 22:52:50.102 INFO running `"docker" "rm" "-f" "3c6fa96eba30e28e777f475179769d8996dcc158fe9ad4dfb605885c810c34e8"`
Oct 12 22:52:50.308 INFO blam! 3c6fa96eba30e28e777f475179769d8996dcc158fe9ad4dfb605885c810c34e8