Sep 06 03:50:09.376 INFO checking mhash-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 03:50:09.376 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 03:50:09.377 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-1/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 03:50:09.547 INFO blam! 7dc878fc8cb7d6d6d2139aaf1a25234427a88e6eecc9f00904ffc0541643cd02
Sep 06 03:50:09.549 INFO running `"docker" "start" "-a" "7dc878fc8cb7d6d6d2139aaf1a25234427a88e6eecc9f00904ffc0541643cd02"`
Sep 06 03:50:10.147 INFO kablam! usermod: no changes
Sep 06 03:50:10.198 INFO kablam!     Checking bs58 v0.2.1
Sep 06 03:50:10.198 INFO kablam!     Checking varmint v0.1.3
Sep 06 03:50:10.563 INFO kablam!     Checking mhash v0.3.0 (file:///source)
Sep 06 03:50:10.614 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 06 03:50:10.614 INFO kablam!  --> src/lib.rs:4:9
Sep 06 03:50:10.614 INFO kablam!   |
Sep 06 03:50:10.614 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 06 03:50:10.614 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 06 03:50:10.614 INFO kablam!   |
Sep 06 03:50:10.614 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 06 03:50:10.614 INFO kablam! 
Sep 06 03:50:10.618 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 06 03:50:10.618 INFO kablam!  --> src/lib.rs:4:9
Sep 06 03:50:10.618 INFO kablam!   |
Sep 06 03:50:10.618 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 06 03:50:10.618 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 06 03:50:10.618 INFO kablam!   |
Sep 06 03:50:10.618 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 06 03:50:10.618 INFO kablam! 
Sep 06 03:50:11.192 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:50:11.192 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 06 03:50:11.192 INFO kablam!    |
Sep 06 03:50:11.192 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 06 03:50:11.192 INFO kablam!    |                 ----^^^^^^
Sep 06 03:50:11.192 INFO kablam!    |                 |
Sep 06 03:50:11.192 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:50:11.192 INFO kablam!    |
Sep 06 03:50:11.193 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:50:11.193 INFO kablam! 
Sep 06 03:50:11.314 INFO kablam! warning: variable does not need to be mutable
Sep 06 03:50:11.314 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 06 03:50:11.314 INFO kablam!    |
Sep 06 03:50:11.314 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 06 03:50:11.314 INFO kablam!    |                 ----^^^^^^
Sep 06 03:50:11.314 INFO kablam!    |                 |
Sep 06 03:50:11.314 INFO kablam!    |                 help: remove this `mut`
Sep 06 03:50:11.314 INFO kablam!    |
Sep 06 03:50:11.314 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 06 03:50:11.314 INFO kablam! 
Sep 06 03:50:11.366 INFO kablam! warning: unused result
Sep 06 03:50:11.366 INFO kablam!   --> src/read.rs:83:9
Sep 06 03:50:11.366 INFO kablam!    |
Sep 06 03:50:11.366 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.366 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam!    |
Sep 06 03:50:11.366 INFO kablam! note: lint level defined here
Sep 06 03:50:11.366 INFO kablam!   --> src/lib.rs:11:9
Sep 06 03:50:11.366 INFO kablam!    |
Sep 06 03:50:11.366 INFO kablam! 11 | #![warn(unused_results)]
Sep 06 03:50:11.366 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam! 
Sep 06 03:50:11.366 INFO kablam! warning: unused result
Sep 06 03:50:11.366 INFO kablam!   --> src/read.rs:89:9
Sep 06 03:50:11.366 INFO kablam!    |
Sep 06 03:50:11.366 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.366 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam! 
Sep 06 03:50:11.366 INFO kablam! warning: unused result
Sep 06 03:50:11.366 INFO kablam!   --> src/read.rs:95:9
Sep 06 03:50:11.366 INFO kablam!    |
Sep 06 03:50:11.366 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.366 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam! 
Sep 06 03:50:11.366 INFO kablam! warning: unused result
Sep 06 03:50:11.366 INFO kablam!    --> src/read.rs:101:9
Sep 06 03:50:11.366 INFO kablam!     |
Sep 06 03:50:11.366 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.366 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam! 
Sep 06 03:50:11.366 INFO kablam! warning: unused result
Sep 06 03:50:11.366 INFO kablam!    --> src/read.rs:113:9
Sep 06 03:50:11.366 INFO kablam!     |
Sep 06 03:50:11.366 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 06 03:50:11.366 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 06 03:50:11.366 INFO kablam! 
Sep 06 03:50:11.418 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
Sep 06 03:50:11.418 INFO kablam! su: No module specific data is present
Sep 06 03:50:12.466 INFO running `"docker" "rm" "-f" "7dc878fc8cb7d6d6d2139aaf1a25234427a88e6eecc9f00904ffc0541643cd02"`
Sep 06 03:50:12.602 INFO blam! 7dc878fc8cb7d6d6d2139aaf1a25234427a88e6eecc9f00904ffc0541643cd02