Sep 18 01:39:54.395 INFO checking difference-2.0.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 18 01:39:54.395 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 18 01:39:54.395 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-7/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 01:39:54.857 INFO blam! bcd285f46a2b85cba38697dd9e9ccf7d1b9b9574566417a600697a8523d5def8
Sep 18 01:39:54.858 INFO running `"docker" "start" "-a" "bcd285f46a2b85cba38697dd9e9ccf7d1b9b9574566417a600697a8523d5def8"`
Sep 18 01:39:56.790 INFO kablam! usermod: no changes
Sep 18 01:39:57.017 INFO kablam!     Checking difference v2.0.0 (/source)
Sep 18 01:39:58.387 INFO kablam! warning: unknown lint: `needless_pass_by_value`
Sep 18 01:39:58.387 INFO kablam!    --> tests/quickcheck.rs:103:9
Sep 18 01:39:58.387 INFO kablam!     |
Sep 18 01:39:58.387 INFO kablam! 103 | #[allow(needless_pass_by_value)]
Sep 18 01:39:58.387 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 18 01:39:58.387 INFO kablam!     |
Sep 18 01:39:58.387 INFO kablam!     = note: #[warn(unknown_lints)] on by default
Sep 18 01:39:58.387 INFO kablam! 
Sep 18 01:40:00.125 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Sep 18 01:40:00.139 INFO kablam! su: No module specific data is present
Sep 18 01:40:01.147 INFO running `"docker" "rm" "-f" "bcd285f46a2b85cba38697dd9e9ccf7d1b9b9574566417a600697a8523d5def8"`
Sep 18 01:40:01.422 INFO blam! bcd285f46a2b85cba38697dd9e9ccf7d1b9b9574566417a600697a8523d5def8