Sep 20 04:32:07.277 INFO checking bifrost-0.3.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 04:32:07.278 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 04:32:07.278 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-3/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:32:07.489 INFO blam! d4be8ce6d3c15bd0164492928bf6d9cea4145e51befe91f61e57257adc72a426
Sep 20 04:32:07.491 INFO running `"docker" "start" "-a" "d4be8ce6d3c15bd0164492928bf6d9cea4145e51befe91f61e57257adc72a426"`
Sep 20 04:32:08.369 INFO kablam! usermod: no changes
Sep 20 04:32:08.405 INFO kablam!     Checking bifrost v0.3.0 (/source)
Sep 20 04:32:09.102 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 20 04:32:09.103 INFO kablam!  --> tests/tests.rs:1:12
Sep 20 04:32:09.103 INFO kablam!   |
Sep 20 04:32:09.103 INFO kablam! 1 | #![feature(duration_extras)]
Sep 20 04:32:09.103 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 20 04:32:09.103 INFO kablam!   |
Sep 20 04:32:09.103 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 04:32:09.103 INFO kablam! 
Sep 20 04:32:09.127 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Sep 20 04:32:09.135 INFO kablam! su: No module specific data is present
Sep 20 04:32:09.824 INFO running `"docker" "rm" "-f" "d4be8ce6d3c15bd0164492928bf6d9cea4145e51befe91f61e57257adc72a426"`
Sep 20 04:32:09.965 INFO blam! d4be8ce6d3c15bd0164492928bf6d9cea4145e51befe91f61e57257adc72a426