Sep 19 17:22:48.832 INFO checking superslice-0.1.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 17:22:48.832 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 17:22:48.832 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-4/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:22:49.236 INFO blam! 61375ea78935ef803e05816f055d2b5349a0997c154e0e6a095f6809481bbe56
Sep 19 17:22:49.254 INFO running `"docker" "start" "-a" "61375ea78935ef803e05816f055d2b5349a0997c154e0e6a095f6809481bbe56"`
Sep 19 17:22:50.742 INFO kablam! usermod: no changes
Sep 19 17:22:50.823 INFO kablam!     Checking superslice v0.1.0 (/source)
Sep 19 17:22:51.490 INFO kablam! warning: unused import: `superslice::Ext`
Sep 19 17:22:51.491 INFO kablam!   --> benches/bench.rs:23:5
Sep 19 17:22:51.491 INFO kablam!    |
Sep 19 17:22:51.491 INFO kablam! 23 | use superslice::Ext;
Sep 19 17:22:51.491 INFO kablam!    |     ^^^^^^^^^^^^^^^
Sep 19 17:22:51.491 INFO kablam!    |
Sep 19 17:22:51.491 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 19 17:22:51.491 INFO kablam! 
Sep 19 17:22:51.601 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Sep 19 17:22:51.603 INFO kablam! su: No module specific data is present
Sep 19 17:22:52.161 INFO running `"docker" "rm" "-f" "61375ea78935ef803e05816f055d2b5349a0997c154e0e6a095f6809481bbe56"`
Sep 19 17:22:52.306 INFO blam! 61375ea78935ef803e05816f055d2b5349a0997c154e0e6a095f6809481bbe56