Sep 06 10:12:02.956 INFO checking ag-0.7.5 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 10:12:02.956 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 10:12:02.956 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 10:12:05.265 INFO blam! 72cdbad16f115c5cd02fac2064342ded20994afe436831edeccc99bbfdc7cca2
Sep 06 10:12:05.267 INFO running `"docker" "start" "-a" "72cdbad16f115c5cd02fac2064342ded20994afe436831edeccc99bbfdc7cca2"`
Sep 06 10:12:08.778 INFO kablam! usermod: no changes
Sep 06 10:12:09.054 INFO kablam!     Checking regex-syntax v0.2.6
Sep 06 10:12:09.054 INFO kablam!     Checking quantiles v0.7.1
Sep 06 10:12:09.054 INFO kablam!     Checking crossbeam-utils v0.3.2
Sep 06 10:12:09.070 INFO kablam!    Compiling skeptic v0.13.3
Sep 06 10:12:09.741 INFO kablam!     Checking crossbeam-epoch v0.4.3
Sep 06 10:12:11.165 INFO kablam!     Checking crossbeam-channel v0.1.3
Sep 06 10:12:13.015 INFO kablam!     Checking ag v0.7.5 (file:///source)
Sep 06 10:12:14.554 INFO kablam!    Compiling assert_cli v0.5.4
Sep 06 10:12:26.742 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 17.94s
Sep 06 10:12:26.753 INFO kablam! su: No module specific data is present
Sep 06 10:12:27.662 INFO running `"docker" "rm" "-f" "72cdbad16f115c5cd02fac2064342ded20994afe436831edeccc99bbfdc7cca2"`
Sep 06 10:12:27.774 INFO blam! 72cdbad16f115c5cd02fac2064342ded20994afe436831edeccc99bbfdc7cca2