Oct 12 14:11:00.405 INFO checking scottwillmoore/rust-primer against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:11:00.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 12 14:11:00.802 INFO blam! c6e4918960c9345e00085272b1d097284b644096bc4c763802eeefefa6ed8099
Oct 12 14:11:00.804 INFO running `"docker" "start" "-a" "c6e4918960c9345e00085272b1d097284b644096bc4c763802eeefefa6ed8099"`
Oct 12 14:11:02.820 INFO kablam! usermod: no changes
Oct 12 14:11:02.914 INFO kablam!     Checking libc v0.2.39
Oct 12 14:11:04.744 INFO kablam!     Checking memchr v2.0.1
Oct 12 14:11:05.089 INFO kablam!     Checking aho-corasick v0.6.4
Oct 12 14:11:05.963 INFO kablam!     Checking regex v0.2.10
Oct 12 14:11:08.226 INFO kablam!     Checking docopt v0.8.3
Oct 12 14:11:09.798 INFO kablam!     Checking primer v0.1.0 (/source)
Oct 12 14:11:10.289 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 14:11:10.290 INFO kablam!  --> src/lib.rs:1:12
Oct 12 14:11:10.290 INFO kablam!   |
Oct 12 14:11:10.291 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 12 14:11:10.292 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 14:11:10.292 INFO kablam!   |
Oct 12 14:11:10.293 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 14:11:10.293 INFO kablam! 
Oct 12 14:11:10.376 INFO kablam! warning: the feature `iterator_step_by` has been stable since 1.28.0 and no longer requires an attribute to enable
Oct 12 14:11:10.376 INFO kablam!  --> src/lib.rs:1:12
Oct 12 14:11:10.376 INFO kablam!   |
Oct 12 14:11:10.376 INFO kablam! 1 | #![feature(iterator_step_by)]
Oct 12 14:11:10.376 INFO kablam!   |            ^^^^^^^^^^^^^^^^
Oct 12 14:11:10.376 INFO kablam!   |
Oct 12 14:11:10.376 INFO kablam!   = note: #[warn(stable_features)] on by default
Oct 12 14:11:10.376 INFO kablam! 
Oct 12 14:11:11.649 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.81s
Oct 12 14:11:11.654 INFO kablam! su: No module specific data is present
Oct 12 14:11:13.470 INFO running `"docker" "rm" "-f" "c6e4918960c9345e00085272b1d097284b644096bc4c763802eeefefa6ed8099"`
Oct 12 14:11:13.748 INFO blam! c6e4918960c9345e00085272b1d097284b644096bc4c763802eeefefa6ed8099