Dec 04 20:30:10.384 INFO checking cssivision/http2socks against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:30:10.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 20:30:10.872 INFO [stdout] 2b22f908232594e37fba1de0a0c430d8a46f3dd5a5b8070091623668b85ccfc7
Dec 04 20:30:10.875 INFO running `"docker" "start" "-a" "2b22f908232594e37fba1de0a0c430d8a46f3dd5a5b8070091623668b85ccfc7"`
Dec 04 20:30:12.583 INFO [stderr] usermod: no changes
Dec 04 20:30:12.743 INFO [stderr]     Checking num-bigint v0.1.40
Dec 04 20:30:12.743 INFO [stderr]     Checking tokio-io v0.1.3
Dec 04 20:30:14.468 INFO [stderr]     Checking tokio-core v0.1.9
Dec 04 20:30:15.631 INFO [stderr]     Checking num-rational v0.1.39
Dec 04 20:30:16.823 INFO [stderr]     Checking num v0.1.40
Dec 04 20:30:17.471 INFO [stderr]     Checking http2socks v0.1.0 (/source)
Dec 04 20:30:18.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.37s
Dec 04 20:30:18.986 INFO [stderr] su: No module specific data is present
Dec 04 20:30:19.805 INFO running `"docker" "inspect" "2b22f908232594e37fba1de0a0c430d8a46f3dd5a5b8070091623668b85ccfc7"`
Dec 04 20:30:20.143 INFO running `"docker" "rm" "-f" "2b22f908232594e37fba1de0a0c430d8a46f3dd5a5b8070091623668b85ccfc7"`
Dec 04 20:30:20.369 INFO [stdout] 2b22f908232594e37fba1de0a0c430d8a46f3dd5a5b8070091623668b85ccfc7