Oct 21 16:44:29.038 INFO checking jtdowney/b2sum-rs against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 16:44:29.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 16:44:29.484 INFO blam! 85e23fe019645deba293c56902b01d3ba9d52ade907cac23e6704c8c8fce9b38
Oct 21 16:44:29.486 INFO running `"docker" "start" "-a" "85e23fe019645deba293c56902b01d3ba9d52ade907cac23e6704c8c8fce9b38"`
Oct 21 16:44:30.780 INFO kablam! usermod: no changes
Oct 21 16:44:30.868 INFO kablam!    Compiling gcc v0.3.48
Oct 21 16:44:30.868 INFO kablam!     Checking constant_time_eq v0.1.2
Oct 21 16:44:30.876 INFO kablam!     Checking docopt v0.7.0
Oct 21 16:44:31.836 INFO kablam!     Checking blake2-rfc v0.2.17
Oct 21 16:44:35.300 INFO kablam!    Compiling backtrace-sys v0.1.11
Oct 21 16:44:50.652 INFO kablam!     Checking backtrace v0.3.2
Oct 21 16:44:51.280 INFO kablam!     Checking error-chain v0.10.0
Oct 21 16:44:52.260 INFO kablam!     Checking b2sum v0.2.0 (/source)
Oct 21 16:44:54.150 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.34s
Oct 21 16:44:54.155 INFO kablam! su: No module specific data is present
Oct 21 16:44:55.134 INFO running `"docker" "rm" "-f" "85e23fe019645deba293c56902b01d3ba9d52ade907cac23e6704c8c8fce9b38"`
Oct 21 16:44:55.465 INFO blam! 85e23fe019645deba293c56902b01d3ba9d52ade907cac23e6704c8c8fce9b38