Aug 11 16:09:56.051 INFO checking difference-2.0.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 16:09:56.051 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:09:56.051 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:09:56.052 INFO running `"docker" "create" "-v" "/tmp/crater.IVCulN5vZzMt:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 16:09:56.291 INFO blam! 40889d088e0fd7077d058af6bdcfa800362353d7a0e843901ee4b13feae20765
Aug 11 16:09:56.293 INFO running `"docker" "start" "-a" "40889d088e0fd7077d058af6bdcfa800362353d7a0e843901ee4b13feae20765"`
Aug 11 16:09:57.290 INFO kablam!     Checking difference v2.0.0 (file:///source)
Aug 11 16:09:59.313 INFO kablam! warning: unknown lint: `needless_pass_by_value`
Aug 11 16:09:59.313 INFO kablam!    --> tests/quickcheck.rs:103:9
Aug 11 16:09:59.313 INFO kablam!     |
Aug 11 16:09:59.313 INFO kablam! 103 | #[allow(needless_pass_by_value)]
Aug 11 16:09:59.313 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Aug 11 16:09:59.313 INFO kablam!     |
Aug 11 16:09:59.313 INFO kablam!     = note: #[warn(unknown_lints)] on by default
Aug 11 16:09:59.313 INFO kablam! 
Aug 11 16:10:02.705 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Aug 11 16:10:02.714 INFO kablam! su: No module specific data is present
Aug 11 16:10:03.327 INFO running `"docker" "rm" "-f" "40889d088e0fd7077d058af6bdcfa800362353d7a0e843901ee4b13feae20765"`
Aug 11 16:10:03.485 INFO blam! 40889d088e0fd7077d058af6bdcfa800362353d7a0e843901ee4b13feae20765