Sep 10 22:11:38.817 INFO checking bit_collection-0.2.3 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 22:11:38.817 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 22:11:38.817 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/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 22:11:39.066 INFO blam! b3d2b0bbd666f3d757467eee8247a802e64640d479fba1352189d39e6b4e1a8c
Sep 10 22:11:39.068 INFO running `"docker" "start" "-a" "b3d2b0bbd666f3d757467eee8247a802e64640d479fba1352189d39e6b4e1a8c"`
Sep 10 22:11:39.857 INFO kablam! usermod: no changes
Sep 10 22:11:39.910 INFO kablam!    Compiling bit_collection_derive v0.2.2
Sep 10 22:11:42.970 INFO kablam!     Checking bit_collection v0.2.3 (file:///source)
Sep 10 22:11:43.866 INFO kablam! warning: unused `#[macro_use]` import
Sep 10 22:11:43.866 INFO kablam!  --> tests/derive.rs:3:1
Sep 10 22:11:43.866 INFO kablam!   |
Sep 10 22:11:43.866 INFO kablam! 3 | #[macro_use]
Sep 10 22:11:43.866 INFO kablam!   | ^^^^^^^^^^^^
Sep 10 22:11:43.866 INFO kablam!   |
Sep 10 22:11:43.866 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 10 22:11:43.866 INFO kablam! 
Sep 10 22:11:44.245 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
Sep 10 22:11:44.248 INFO kablam! su: No module specific data is present
Sep 10 22:11:45.002 INFO running `"docker" "rm" "-f" "b3d2b0bbd666f3d757467eee8247a802e64640d479fba1352189d39e6b4e1a8c"`
Sep 10 22:11:45.067 INFO blam! b3d2b0bbd666f3d757467eee8247a802e64640d479fba1352189d39e6b4e1a8c