Sep 04 23:17:08.260 INFO checking bifrost-0.3.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 23:17:08.260 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 23:17:08.260 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 23:17:08.502 INFO blam! 4aa618fa4529b155e563f0663899317c5bf9f0f38bb67ed0ea7cc814894a5e2c
Sep 04 23:17:08.504 INFO running `"docker" "start" "-a" "4aa618fa4529b155e563f0663899317c5bf9f0f38bb67ed0ea7cc814894a5e2c"`
Sep 04 23:17:09.407 INFO kablam!     Checking bifrost v0.3.0 (file:///source)
Sep 04 23:17:11.590 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 04 23:17:11.590 INFO kablam!  --> tests/tests.rs:1:12
Sep 04 23:17:11.590 INFO kablam!   |
Sep 04 23:17:11.590 INFO kablam! 1 | #![feature(duration_extras)]
Sep 04 23:17:11.590 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 04 23:17:11.590 INFO kablam!   |
Sep 04 23:17:11.591 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 23:17:11.591 INFO kablam! 
Sep 04 23:17:11.621 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
Sep 04 23:17:11.626 INFO kablam! su: No module specific data is present
Sep 04 23:17:12.139 INFO running `"docker" "rm" "-f" "4aa618fa4529b155e563f0663899317c5bf9f0f38bb67ed0ea7cc814894a5e2c"`
Sep 04 23:17:12.236 INFO blam! 4aa618fa4529b155e563f0663899317c5bf9f0f38bb67ed0ea7cc814894a5e2c