Sep 10 14:39:40.859 INFO checking mhash-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 14:39:40.859 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 14:39:40.859 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 14:39:41.040 INFO blam! 1030dc0fc518853eeef92ef8ee1d10eb118787b4cc659cd646abd0d574f7c7d0
Sep 10 14:39:41.042 INFO running `"docker" "start" "-a" "1030dc0fc518853eeef92ef8ee1d10eb118787b4cc659cd646abd0d574f7c7d0"`
Sep 10 14:39:41.740 INFO kablam! usermod: no changes
Sep 10 14:39:41.788 INFO kablam!     Checking varmint v0.1.3
Sep 10 14:39:41.791 INFO kablam!     Checking bs58 v0.2.1
Sep 10 14:39:42.182 INFO kablam!     Checking mhash v0.3.0 (file:///source)
Sep 10 14:39:42.238 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 10 14:39:42.238 INFO kablam!  --> src/lib.rs:4:9
Sep 10 14:39:42.238 INFO kablam!   |
Sep 10 14:39:42.238 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 10 14:39:42.238 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.238 INFO kablam!   |
Sep 10 14:39:42.238 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 10 14:39:42.238 INFO kablam! 
Sep 10 14:39:42.242 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 10 14:39:42.242 INFO kablam!  --> src/lib.rs:4:9
Sep 10 14:39:42.242 INFO kablam!   |
Sep 10 14:39:42.242 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 10 14:39:42.242 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.242 INFO kablam!   |
Sep 10 14:39:42.242 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 10 14:39:42.242 INFO kablam! 
Sep 10 14:39:42.898 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:39:42.898 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 10 14:39:42.898 INFO kablam!    |
Sep 10 14:39:42.898 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 10 14:39:42.898 INFO kablam!    |                 ----^^^^^^
Sep 10 14:39:42.898 INFO kablam!    |                 |
Sep 10 14:39:42.898 INFO kablam!    |                 help: remove this `mut`
Sep 10 14:39:42.898 INFO kablam!    |
Sep 10 14:39:42.898 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:39:42.898 INFO kablam! 
Sep 10 14:39:42.943 INFO kablam! warning: variable does not need to be mutable
Sep 10 14:39:42.943 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 10 14:39:42.943 INFO kablam!    |
Sep 10 14:39:42.943 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 10 14:39:42.943 INFO kablam!    |                 ----^^^^^^
Sep 10 14:39:42.943 INFO kablam!    |                 |
Sep 10 14:39:42.944 INFO kablam!    |                 help: remove this `mut`
Sep 10 14:39:42.944 INFO kablam!    |
Sep 10 14:39:42.944 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 10 14:39:42.944 INFO kablam! 
Sep 10 14:39:42.994 INFO kablam! warning: unused result
Sep 10 14:39:42.994 INFO kablam!   --> src/read.rs:83:9
Sep 10 14:39:42.994 INFO kablam!    |
Sep 10 14:39:42.994 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 10 14:39:42.994 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.995 INFO kablam!    |
Sep 10 14:39:42.995 INFO kablam! note: lint level defined here
Sep 10 14:39:42.995 INFO kablam!   --> src/lib.rs:11:9
Sep 10 14:39:42.995 INFO kablam!    |
Sep 10 14:39:42.995 INFO kablam! 11 | #![warn(unused_results)]
Sep 10 14:39:42.995 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 10 14:39:42.995 INFO kablam! 
Sep 10 14:39:42.997 INFO kablam! warning: unused result
Sep 10 14:39:42.997 INFO kablam!   --> src/read.rs:89:9
Sep 10 14:39:42.997 INFO kablam!    |
Sep 10 14:39:42.997 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 10 14:39:42.997 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.997 INFO kablam! 
Sep 10 14:39:42.997 INFO kablam! warning: unused result
Sep 10 14:39:42.997 INFO kablam!   --> src/read.rs:95:9
Sep 10 14:39:42.997 INFO kablam!    |
Sep 10 14:39:42.997 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 10 14:39:42.997 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.997 INFO kablam! 
Sep 10 14:39:42.997 INFO kablam! warning: unused result
Sep 10 14:39:42.997 INFO kablam!    --> src/read.rs:101:9
Sep 10 14:39:42.997 INFO kablam!     |
Sep 10 14:39:42.997 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 10 14:39:42.997 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.997 INFO kablam! 
Sep 10 14:39:42.997 INFO kablam! warning: unused result
Sep 10 14:39:42.997 INFO kablam!    --> src/read.rs:113:9
Sep 10 14:39:42.997 INFO kablam!     |
Sep 10 14:39:42.998 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 10 14:39:42.998 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 14:39:42.998 INFO kablam! 
Sep 10 14:39:43.053 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Sep 10 14:39:43.053 INFO kablam! su: No module specific data is present
Sep 10 14:39:44.048 INFO running `"docker" "rm" "-f" "1030dc0fc518853eeef92ef8ee1d10eb118787b4cc659cd646abd0d574f7c7d0"`
Sep 10 14:39:44.177 INFO blam! 1030dc0fc518853eeef92ef8ee1d10eb118787b4cc659cd646abd0d574f7c7d0