Oct 13 16:58:33.999 INFO checking challenge-prompt-0.1.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 16:58:34.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 16:58:34.348 INFO blam! 01b7211c2c888155b6e090a44aec0132618ed9d0a842cd2082148d4e3cee86bd
Oct 13 16:58:34.364 INFO running `"docker" "start" "-a" "01b7211c2c888155b6e090a44aec0132618ed9d0a842cd2082148d4e3cee86bd"`
Oct 13 16:58:35.988 INFO kablam! usermod: no changes
Oct 13 16:58:36.158 INFO kablam!    Compiling escargot v0.3.1
Oct 13 16:58:36.158 INFO kablam!     Checking normalize-line-endings v0.2.2
Oct 13 16:58:36.161 INFO kablam!     Checking predicates-core v0.9.0
Oct 13 16:58:36.161 INFO kablam!     Checking treeline v0.1.0
Oct 13 16:58:36.176 INFO kablam!     Checking challenge-prompt v0.1.0 (/source)
Oct 13 16:58:39.652 INFO kablam!     Checking predicates v0.9.1
Oct 13 16:58:39.653 INFO kablam!     Checking predicates-tree v0.9.0
Oct 13 16:58:45.372 INFO kablam!     Checking assert_cmd v0.9.1
Oct 13 16:58:52.527 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.47s
Oct 13 16:58:52.547 INFO kablam! su: No module specific data is present
Oct 13 16:58:53.743 INFO running `"docker" "rm" "-f" "01b7211c2c888155b6e090a44aec0132618ed9d0a842cd2082148d4e3cee86bd"`
Oct 13 16:58:54.104 INFO blam! 01b7211c2c888155b6e090a44aec0132618ed9d0a842cd2082148d4e3cee86bd