Sep 01 14:06:13.320 INFO checking mhash-0.3.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 14:06:13.320 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 14:06:13.320 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 14:06:13.478 INFO blam! 15c967fc493de305ff4271d62568088d01b064f8099f6fe71fa62bdc1f5ba16b
Sep 01 14:06:13.479 INFO running `"docker" "start" "-a" "15c967fc493de305ff4271d62568088d01b064f8099f6fe71fa62bdc1f5ba16b"`
Sep 01 14:06:14.131 INFO kablam!     Checking varmint v0.1.3
Sep 01 14:06:14.643 INFO kablam!     Checking mhash v0.3.0 (file:///source)
Sep 01 14:06:14.693 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 01 14:06:14.693 INFO kablam!  --> src/lib.rs:4:9
Sep 01 14:06:14.693 INFO kablam!   |
Sep 01 14:06:14.694 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 01 14:06:14.694 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 01 14:06:14.694 INFO kablam!   |
Sep 01 14:06:14.694 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 01 14:06:14.694 INFO kablam! 
Sep 01 14:06:14.696 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 01 14:06:14.696 INFO kablam!  --> src/lib.rs:4:9
Sep 01 14:06:14.696 INFO kablam!   |
Sep 01 14:06:14.696 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 01 14:06:14.696 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 01 14:06:14.696 INFO kablam!   |
Sep 01 14:06:14.696 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 01 14:06:14.696 INFO kablam! 
Sep 01 14:06:15.953 INFO kablam! warning: variable does not need to be mutable
Sep 01 14:06:15.953 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 01 14:06:15.953 INFO kablam!    |
Sep 01 14:06:15.954 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 01 14:06:15.954 INFO kablam!    |                 ----^^^^^^
Sep 01 14:06:15.954 INFO kablam!    |                 |
Sep 01 14:06:15.954 INFO kablam!    |                 help: remove this `mut`
Sep 01 14:06:15.954 INFO kablam!    |
Sep 01 14:06:15.954 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 14:06:15.954 INFO kablam! 
Sep 01 14:06:15.998 INFO kablam! warning: variable does not need to be mutable
Sep 01 14:06:15.998 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 01 14:06:15.998 INFO kablam!    |
Sep 01 14:06:15.998 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 01 14:06:15.998 INFO kablam!    |                 ----^^^^^^
Sep 01 14:06:15.998 INFO kablam!    |                 |
Sep 01 14:06:15.998 INFO kablam!    |                 help: remove this `mut`
Sep 01 14:06:15.998 INFO kablam!    |
Sep 01 14:06:15.998 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 01 14:06:15.998 INFO kablam! 
Sep 01 14:06:16.060 INFO kablam! warning: unused result
Sep 01 14:06:16.060 INFO kablam!   --> src/read.rs:83:9
Sep 01 14:06:16.060 INFO kablam!    |
Sep 01 14:06:16.060 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 01 14:06:16.060 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:06:16.060 INFO kablam!    |
Sep 01 14:06:16.060 INFO kablam! note: lint level defined here
Sep 01 14:06:16.060 INFO kablam!   --> src/lib.rs:11:9
Sep 01 14:06:16.060 INFO kablam!    |
Sep 01 14:06:16.060 INFO kablam! 11 | #![warn(unused_results)]
Sep 01 14:06:16.060 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 01 14:06:16.060 INFO kablam! 
Sep 01 14:06:16.060 INFO kablam! warning: unused result
Sep 01 14:06:16.060 INFO kablam!   --> src/read.rs:89:9
Sep 01 14:06:16.060 INFO kablam!    |
Sep 01 14:06:16.060 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 01 14:06:16.060 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:06:16.060 INFO kablam! 
Sep 01 14:06:16.060 INFO kablam! warning: unused result
Sep 01 14:06:16.060 INFO kablam!   --> src/read.rs:95:9
Sep 01 14:06:16.061 INFO kablam!    |
Sep 01 14:06:16.061 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 01 14:06:16.061 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:06:16.061 INFO kablam! 
Sep 01 14:06:16.061 INFO kablam! warning: unused result
Sep 01 14:06:16.061 INFO kablam!    --> src/read.rs:101:9
Sep 01 14:06:16.061 INFO kablam!     |
Sep 01 14:06:16.061 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 01 14:06:16.061 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:06:16.061 INFO kablam! 
Sep 01 14:06:16.061 INFO kablam! warning: unused result
Sep 01 14:06:16.061 INFO kablam!    --> src/read.rs:113:9
Sep 01 14:06:16.061 INFO kablam!     |
Sep 01 14:06:16.061 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 01 14:06:16.061 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 14:06:16.061 INFO kablam! 
Sep 01 14:06:16.121 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Sep 01 14:06:16.125 INFO kablam! su: No module specific data is present
Sep 01 14:06:16.594 INFO running `"docker" "rm" "-f" "15c967fc493de305ff4271d62568088d01b064f8099f6fe71fa62bdc1f5ba16b"`
Sep 01 14:06:16.691 INFO blam! 15c967fc493de305ff4271d62568088d01b064f8099f6fe71fa62bdc1f5ba16b