Oct 13 09:48:50.738 INFO checking rotor-dns-0.4.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 09:48:50.738 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 13 09:48:51.201 INFO blam! 1334030d9c868584872cd159fcfb23604b4acb9f0e89f9c1547991df3c6e17f4
Oct 13 09:48:51.203 INFO running `"docker" "start" "-a" "1334030d9c868584872cd159fcfb23604b4acb9f0e89f9c1547991df3c6e17f4"`
Oct 13 09:48:52.003 INFO kablam! usermod: no changes
Oct 13 09:48:52.086 INFO kablam!     Checking net2 v0.2.33
Oct 13 09:48:52.089 INFO kablam!     Checking dns-parser v0.3.5
Oct 13 09:48:52.089 INFO kablam!     Checking resolv-conf v0.4.0
Oct 13 09:48:53.384 INFO kablam!     Checking miow v0.1.5
Oct 13 09:48:54.250 INFO kablam!     Checking mio v0.5.1
Oct 13 09:48:56.035 INFO kablam!     Checking rotor v0.6.3
Oct 13 09:48:57.556 INFO kablam!     Checking rotor-tools v0.3.2
Oct 13 09:48:57.557 INFO kablam!     Checking rotor-dns v0.4.0 (/source)
Oct 13 09:49:05.248 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
Oct 13 09:49:05.260 INFO kablam! su: No module specific data is present
Oct 13 09:49:06.184 INFO running `"docker" "rm" "-f" "1334030d9c868584872cd159fcfb23604b4acb9f0e89f9c1547991df3c6e17f4"`
Oct 13 09:49:06.352 INFO blam! 1334030d9c868584872cd159fcfb23604b4acb9f0e89f9c1547991df3c6e17f4