Sep 06 03:50:09.724 INFO checking mhash-0.3.0 against master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6 for pr-53854
Sep 06 03:50:09.724 INFO running: cargo +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets
Sep 06 03:50:09.724 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/master#1c2e17f4e3a2070a7f703f51e29c1c388ef703b6:/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 +1c2e17f4e3a2070a7f703f51e29c1c388ef703b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:50:09.934 INFO blam! f9eedd585a4d888d0a96be83ca16b8f434f08adacabb51c2fe1f8886fa706182
Sep 06 03:50:09.936 INFO running `"docker" "start" "-a" "f9eedd585a4d888d0a96be83ca16b8f434f08adacabb51c2fe1f8886fa706182"`
Sep 06 03:50:10.493 INFO kablam! usermod: no changes
Sep 06 03:50:10.588 INFO kablam!     Checking varmint v0.1.3
Sep 06 03:50:10.918 INFO kablam!     Checking mhash v0.3.0 (file:///source)
Sep 06 03:50:10.975 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 06 03:50:10.975 INFO kablam!  --> src/lib.rs:4:9
Sep 06 03:50:10.975 INFO kablam!   |
Sep 06 03:50:10.975 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 06 03:50:10.975 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 06 03:50:10.975 INFO kablam!   |
Sep 06 03:50:10.975 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 06 03:50:10.975 INFO kablam! 
Sep 06 03:50:11.047 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 06 03:50:11.047 INFO kablam!  --> src/lib.rs:4:9
Sep 06 03:50:11.047 INFO kablam!   |
Sep 06 03:50:11.047 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 06 03:50:11.047 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.047 INFO kablam!   |
Sep 06 03:50:11.047 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 06 03:50:11.047 INFO kablam! 
Sep 06 03:50:11.614 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:50:11.614 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 06 03:50:11.614 INFO kablam!    |
Sep 06 03:50:11.614 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 06 03:50:11.614 INFO kablam!    |                 ----^^^^^^
Sep 06 03:50:11.614 INFO kablam!    |                 |
Sep 06 03:50:11.614 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:50:11.614 INFO kablam!    |
Sep 06 03:50:11.614 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:50:11.614 INFO kablam! 
Sep 06 03:50:11.774 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:50:11.774 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 06 03:50:11.774 INFO kablam!    |
Sep 06 03:50:11.774 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 06 03:50:11.774 INFO kablam!    |                 ----^^^^^^
Sep 06 03:50:11.774 INFO kablam!    |                 |
Sep 06 03:50:11.774 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:50:11.774 INFO kablam!    |
Sep 06 03:50:11.774 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:50:11.774 INFO kablam! 
Sep 06 03:50:11.821 INFO kablam! warning: unused result
Sep 06 03:50:11.821 INFO kablam!   --> src/read.rs:83:9
Sep 06 03:50:11.821 INFO kablam!    |
Sep 06 03:50:11.821 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.821 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.821 INFO kablam!    |
Sep 06 03:50:11.821 INFO kablam! note: lint level defined here
Sep 06 03:50:11.821 INFO kablam!   --> src/lib.rs:11:9
Sep 06 03:50:11.821 INFO kablam!    |
Sep 06 03:50:11.821 INFO kablam! 11 | #![warn(unused_results)]
Sep 06 03:50:11.821 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 06 03:50:11.821 INFO kablam! 
Sep 06 03:50:11.821 INFO kablam! warning: unused result
Sep 06 03:50:11.821 INFO kablam!   --> src/read.rs:89:9
Sep 06 03:50:11.821 INFO kablam!    |
Sep 06 03:50:11.821 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.821 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.821 INFO kablam! 
Sep 06 03:50:11.821 INFO kablam! warning: unused result
Sep 06 03:50:11.821 INFO kablam!   --> src/read.rs:95:9
Sep 06 03:50:11.821 INFO kablam!    |
Sep 06 03:50:11.821 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.821 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.821 INFO kablam! 
Sep 06 03:50:11.821 INFO kablam! warning: unused result
Sep 06 03:50:11.821 INFO kablam!    --> src/read.rs:101:9
Sep 06 03:50:11.821 INFO kablam!     |
Sep 06 03:50:11.821 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.821 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.821 INFO kablam! 
Sep 06 03:50:11.822 INFO kablam! warning: unused result
Sep 06 03:50:11.822 INFO kablam!    --> src/read.rs:113:9
Sep 06 03:50:11.822 INFO kablam!     |
Sep 06 03:50:11.822 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.822 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.822 INFO kablam! 
Sep 06 03:50:11.844 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Sep 06 03:50:11.848 INFO kablam! su: No module specific data is present
Sep 06 03:50:12.556 INFO running `"docker" "rm" "-f" "f9eedd585a4d888d0a96be83ca16b8f434f08adacabb51c2fe1f8886fa706182"`
Sep 06 03:50:12.701 INFO blam! f9eedd585a4d888d0a96be83ca16b8f434f08adacabb51c2fe1f8886fa706182