Aug 30 23:17:44.907 INFO checking bifrost-0.3.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 23:17:44.907 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 23:17:44.907 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 23:17:45.069 INFO blam! 1b9ebf4d0079287701244e5b01541161723890081d2f097fb2f352a46a2e27a0
Aug 30 23:17:45.071 INFO running `"docker" "start" "-a" "1b9ebf4d0079287701244e5b01541161723890081d2f097fb2f352a46a2e27a0"`
Aug 30 23:17:45.622 INFO kablam!     Checking bifrost v0.3.0 (file:///source)
Aug 30 23:17:47.371 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Aug 30 23:17:47.371 INFO kablam!  --> tests/tests.rs:1:12
Aug 30 23:17:47.372 INFO kablam!   |
Aug 30 23:17:47.372 INFO kablam! 1 | #![feature(duration_extras)]
Aug 30 23:17:47.372 INFO kablam!   |            ^^^^^^^^^^^^^^^
Aug 30 23:17:47.372 INFO kablam!   |
Aug 30 23:17:47.372 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 23:17:47.372 INFO kablam! 
Aug 30 23:17:47.401 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Aug 30 23:17:47.404 INFO kablam! su: No module specific data is present
Aug 30 23:17:47.930 INFO running `"docker" "rm" "-f" "1b9ebf4d0079287701244e5b01541161723890081d2f097fb2f352a46a2e27a0"`
Aug 30 23:17:48.091 INFO blam! 1b9ebf4d0079287701244e5b01541161723890081d2f097fb2f352a46a2e27a0