Aug 30 20:03:46.304 INFO checking difference-2.0.0 against master#ede55518431154bc761f7b2438cce9078c162700 for pr-53707
Aug 30 20:03:46.304 INFO running: cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets
Aug 30 20:03:46.304 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53707/master#ede55518431154bc761f7b2438cce9078c162700:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-0/master#ede55518431154bc761f7b2438cce9078c162700:/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=500" "-e" "CMD=cargo +ede55518431154bc761f7b2438cce9078c162700-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:03:46.542 INFO blam! f5a286c2446c8259747e20fc076081993f557e8885d19314cd8f658753a540ba
Aug 30 20:03:46.545 INFO running `"docker" "start" "-a" "f5a286c2446c8259747e20fc076081993f557e8885d19314cd8f658753a540ba"`
Aug 30 20:03:47.399 INFO kablam!     Checking difference v2.0.0 (file:///source)
Aug 30 20:03:48.787 INFO kablam! warning: unknown lint: `needless_pass_by_value`
Aug 30 20:03:48.787 INFO kablam!    --> tests/quickcheck.rs:103:9
Aug 30 20:03:48.787 INFO kablam!     |
Aug 30 20:03:48.787 INFO kablam! 103 | #[allow(needless_pass_by_value)]
Aug 30 20:03:48.787 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Aug 30 20:03:48.787 INFO kablam!     |
Aug 30 20:03:48.788 INFO kablam!     = note: #[warn(unknown_lints)] on by default
Aug 30 20:03:48.788 INFO kablam! 
Aug 30 20:03:52.263 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Aug 30 20:03:52.270 INFO kablam! su: No module specific data is present
Aug 30 20:03:52.880 INFO running `"docker" "rm" "-f" "f5a286c2446c8259747e20fc076081993f557e8885d19314cd8f658753a540ba"`
Aug 30 20:03:53.011 INFO blam! f5a286c2446c8259747e20fc076081993f557e8885d19314cd8f658753a540ba