Oct 12 12:56:34.731 INFO checking stuartnelson3/rust_learning against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 12:56:34.732 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12:56:35.180 INFO blam! 8f83b14362c721e2b1f3437a1ab160ea0e3d6688fce7194236b977e4902986c0
Oct 12 12:56:35.184 INFO running `"docker" "start" "-a" "8f83b14362c721e2b1f3437a1ab160ea0e3d6688fce7194236b977e4902986c0"`
Oct 12 12:56:36.033 INFO kablam! usermod: no changes
Oct 12 12:56:36.129 INFO kablam!     Checking quick-error v0.2.2
Oct 12 12:56:36.131 INFO kablam!     Checking protobuf v1.4.1
Oct 12 12:56:36.131 INFO kablam!     Checking term_size v0.3.0
Oct 12 12:56:36.131 INFO kablam!     Checking atty v0.2.2
Oct 12 12:56:36.733 INFO kablam!     Checking textwrap v0.8.0
Oct 12 12:56:37.466 INFO kablam!     Checking clap v2.26.2
Oct 12 12:56:45.248 INFO kablam!     Checking prometheus v0.2.8
Oct 12 12:56:46.821 INFO kablam!     Checking rust_learning v0.1.0 (/source)
Oct 12 12:56:47.404 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.34s
Oct 12 12:56:47.412 INFO kablam! su: No module specific data is present
Oct 12 12:56:48.021 INFO running `"docker" "rm" "-f" "8f83b14362c721e2b1f3437a1ab160ea0e3d6688fce7194236b977e4902986c0"`
Oct 12 12:56:48.305 INFO blam! 8f83b14362c721e2b1f3437a1ab160ea0e3d6688fce7194236b977e4902986c0