Oct 27 14:20:16.516 INFO checking traverse-0.0.12 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 14:20:16.516 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 27 14:20:16.995 INFO blam! 75ce399994398baf880ea6d828ea90c56a5737747bf57e452faed922aa3f2adc
Oct 27 14:20:17.007 INFO running `"docker" "start" "-a" "75ce399994398baf880ea6d828ea90c56a5737747bf57e452faed922aa3f2adc"`
Oct 27 14:20:18.651 INFO kablam! usermod: no changes
Oct 27 14:20:18.683 INFO kablam! warning: dependency (num) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
Oct 27 14:20:18.823 INFO kablam!     Checking num-integer v0.1.39
Oct 27 14:20:18.835 INFO kablam!     Checking num-complex v0.2.1
Oct 27 14:20:20.747 INFO kablam!     Checking num-bigint v0.2.0
Oct 27 14:20:20.747 INFO kablam!     Checking num-iter v0.1.37
Oct 27 14:20:23.650 INFO kablam!     Checking num-rational v0.2.1
Oct 27 14:20:24.815 INFO kablam!     Checking num v0.2.0
Oct 27 14:20:25.523 INFO kablam!     Checking traverse v0.0.12 (/source)
Oct 27 14:20:30.424 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
Oct 27 14:20:30.429 INFO kablam! su: No module specific data is present
Oct 27 14:20:31.067 INFO running `"docker" "rm" "-f" "75ce399994398baf880ea6d828ea90c56a5737747bf57e452faed922aa3f2adc"`
Oct 27 14:20:31.216 INFO blam! 75ce399994398baf880ea6d828ea90c56a5737747bf57e452faed922aa3f2adc