Nov 04 04:45:22.015 INFO checking jtdowney/b2sum-rs against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 04:45:22.016 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-2/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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"`
Nov 04 04:45:22.408 INFO blam! b39941f456727690c0ec2218f0141124a23e533a953e50c493a57da4fbd03199
Nov 04 04:45:22.413 INFO running `"docker" "start" "-a" "b39941f456727690c0ec2218f0141124a23e533a953e50c493a57da4fbd03199"`
Nov 04 04:45:23.830 INFO kablam! usermod: no changes
Nov 04 04:45:23.963 INFO kablam!    Compiling gcc v0.3.48
Nov 04 04:45:23.963 INFO kablam!     Checking constant_time_eq v0.1.2
Nov 04 04:45:23.979 INFO kablam!     Checking docopt v0.7.0
Nov 04 04:45:24.863 INFO kablam!     Checking blake2-rfc v0.2.17
Nov 04 04:45:28.771 INFO kablam!    Compiling backtrace-sys v0.1.11
Nov 04 04:45:42.791 INFO kablam!     Checking backtrace v0.3.2
Nov 04 04:45:43.412 INFO kablam!     Checking error-chain v0.10.0
Nov 04 04:45:44.040 INFO kablam!     Checking b2sum v0.2.0 (/source)
Nov 04 04:45:45.771 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
Nov 04 04:45:45.775 INFO kablam! su: No module specific data is present
Nov 04 04:45:46.883 INFO running `"docker" "rm" "-f" "b39941f456727690c0ec2218f0141124a23e533a953e50c493a57da4fbd03199"`
Nov 04 04:45:47.207 INFO blam! b39941f456727690c0ec2218f0141124a23e533a953e50c493a57da4fbd03199