Nov 28 11:20:32.113 INFO checking RobotDisco/rust_chat against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 11:20:32.114 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 11:20:32.524 INFO [stdout] 1096d0a60a2c0dacee4b1636b0c0415d79808abff18a65a0cfb3128ec7e755d6
Nov 28 11:20:32.526 INFO running `"docker" "start" "-a" "1096d0a60a2c0dacee4b1636b0c0415d79808abff18a65a0cfb3128ec7e755d6"`
Nov 28 11:20:33.641 INFO [stderr] usermod: no changes
Nov 28 11:20:33.792 INFO [stderr]    Compiling http-muncher v0.2.5
Nov 28 11:20:33.792 INFO [stderr]     Checking sha1 v0.1.1
Nov 28 11:20:33.796 INFO [stderr]     Checking mio v0.5.1
Nov 28 11:20:36.760 INFO [stderr]     Checking chat v0.1.0 (/source)
Nov 28 11:20:38.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
Nov 28 11:20:38.760 INFO [stderr] su: No module specific data is present
Nov 28 11:20:39.821 INFO running `"docker" "inspect" "1096d0a60a2c0dacee4b1636b0c0415d79808abff18a65a0cfb3128ec7e755d6"`
Nov 28 11:20:40.190 INFO running `"docker" "rm" "-f" "1096d0a60a2c0dacee4b1636b0c0415d79808abff18a65a0cfb3128ec7e755d6"`
Nov 28 11:20:40.556 INFO [stdout] 1096d0a60a2c0dacee4b1636b0c0415d79808abff18a65a0cfb3128ec7e755d6