Sep 21 13:01:06.185 INFO checking bifrost-0.3.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 13:01:06.185 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 13:01:06.185 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-1/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 13:01:06.335 INFO blam! 7029d97a414cf8f8c4bd01c2d5690c3f1670aa8a223139928795719d9cb6d750
Sep 21 13:01:06.337 INFO running `"docker" "start" "-a" "7029d97a414cf8f8c4bd01c2d5690c3f1670aa8a223139928795719d9cb6d750"`
Sep 21 13:01:07.410 INFO kablam! usermod: no changes
Sep 21 13:01:07.454 INFO kablam!     Checking bifrost v0.3.0 (/source)
Sep 21 13:01:08.458 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 21 13:01:08.458 INFO kablam!  --> tests/tests.rs:1:12
Sep 21 13:01:08.458 INFO kablam!   |
Sep 21 13:01:08.458 INFO kablam! 1 | #![feature(duration_extras)]
Sep 21 13:01:08.458 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 21 13:01:08.458 INFO kablam!   |
Sep 21 13:01:08.458 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 21 13:01:08.458 INFO kablam! 
Sep 21 13:01:08.487 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
Sep 21 13:01:08.489 INFO kablam! su: No module specific data is present
Sep 21 13:01:09.532 INFO running `"docker" "rm" "-f" "7029d97a414cf8f8c4bd01c2d5690c3f1670aa8a223139928795719d9cb6d750"`
Sep 21 13:01:09.662 INFO blam! 7029d97a414cf8f8c4bd01c2d5690c3f1670aa8a223139928795719d9cb6d750