Oct 12 10:36:57.927 INFO checking wridgers/wst against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:36:57.928 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/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 10:36:58.498 INFO blam! d088abe1ead9e97cdc4a9eb886131108f97d8eea790cea724233cf8541a28b13
Oct 12 10:36:58.500 INFO running `"docker" "start" "-a" "d088abe1ead9e97cdc4a9eb886131108f97d8eea790cea724233cf8541a28b13"`
Oct 12 10:37:00.828 INFO kablam! usermod: no changes
Oct 12 10:37:00.959 INFO kablam!     Checking getopts v0.2.15
Oct 12 10:37:00.972 INFO kablam!     Checking iovec v0.1.1
Oct 12 10:37:00.972 INFO kablam!     Checking rand v0.3.18
Oct 12 10:37:00.972 INFO kablam!     Checking net2 v0.2.31
Oct 12 10:37:00.976 INFO kablam!     Checking url v1.6.0
Oct 12 10:37:01.801 INFO kablam!     Checking bytes v0.4.5
Oct 12 10:37:03.302 INFO kablam!     Checking mio v0.6.11
Oct 12 10:37:07.220 INFO kablam!     Checking ws v0.7.3
Oct 12 10:37:09.250 INFO kablam!     Checking wst v0.2.0 (/source)
Oct 12 10:37:09.940 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
Oct 12 10:37:09.949 INFO kablam! su: No module specific data is present
Oct 12 10:37:11.592 INFO running `"docker" "rm" "-f" "d088abe1ead9e97cdc4a9eb886131108f97d8eea790cea724233cf8541a28b13"`
Oct 12 10:37:11.972 INFO blam! d088abe1ead9e97cdc4a9eb886131108f97d8eea790cea724233cf8541a28b13