Sep 20 04:32:05.615 INFO checking bifrost-0.3.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 20 04:32:05.615 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 20 04:32:05.615 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 04:32:05.868 INFO blam! d42a931776ac7dd5b616dd79877a3e82bbb1bc312205822bec94b82da508aac2
Sep 20 04:32:05.870 INFO running `"docker" "start" "-a" "d42a931776ac7dd5b616dd79877a3e82bbb1bc312205822bec94b82da508aac2"`
Sep 20 04:32:06.961 INFO kablam! usermod: no changes
Sep 20 04:32:07.023 INFO kablam!     Checking bifrost v0.3.0 (/source)
Sep 20 04:32:07.852 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 20 04:32:07.852 INFO kablam!  --> tests/tests.rs:1:12
Sep 20 04:32:07.852 INFO kablam!   |
Sep 20 04:32:07.852 INFO kablam! 1 | #![feature(duration_extras)]
Sep 20 04:32:07.852 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 20 04:32:07.852 INFO kablam!   |
Sep 20 04:32:07.852 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 04:32:07.852 INFO kablam! 
Sep 20 04:32:07.869 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Sep 20 04:32:07.872 INFO kablam! su: No module specific data is present
Sep 20 04:32:08.213 INFO running `"docker" "rm" "-f" "d42a931776ac7dd5b616dd79877a3e82bbb1bc312205822bec94b82da508aac2"`
Sep 20 04:32:08.294 INFO blam! d42a931776ac7dd5b616dd79877a3e82bbb1bc312205822bec94b82da508aac2