Sep 10 22:16:19.774 INFO checking bifrost-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 22:16:19.774 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 22:16:19.774 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-1/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:16:19.929 INFO blam! 34def72cac0dce7e59f2fc2fbc3b4e9f777059e251d2a22071ba4dfb82821e2a
Sep 10 22:16:19.929 INFO running `"docker" "start" "-a" "34def72cac0dce7e59f2fc2fbc3b4e9f777059e251d2a22071ba4dfb82821e2a"`
Sep 10 22:16:20.576 INFO kablam! usermod: no changes
Sep 10 22:16:20.610 INFO kablam!     Checking bifrost v0.3.0 (file:///source)
Sep 10 22:16:21.397 INFO kablam! warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
Sep 10 22:16:21.397 INFO kablam!  --> tests/tests.rs:1:12
Sep 10 22:16:21.397 INFO kablam!   |
Sep 10 22:16:21.397 INFO kablam! 1 | #![feature(duration_extras)]
Sep 10 22:16:21.397 INFO kablam!   |            ^^^^^^^^^^^^^^^
Sep 10 22:16:21.397 INFO kablam!   |
Sep 10 22:16:21.398 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 10 22:16:21.398 INFO kablam! 
Sep 10 22:16:21.414 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Sep 10 22:16:21.417 INFO kablam! su: No module specific data is present
Sep 10 22:16:21.797 INFO running `"docker" "rm" "-f" "34def72cac0dce7e59f2fc2fbc3b4e9f777059e251d2a22071ba4dfb82821e2a"`
Sep 10 22:16:21.892 INFO blam! 34def72cac0dce7e59f2fc2fbc3b4e9f777059e251d2a22071ba4dfb82821e2a