Sep 21 07:03:22.582 INFO checking mhash-0.3.0 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 07:03:22.582 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 07:03:22.582 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 07:03:22.815 INFO blam! b4bb7c8be744fa6b9f3b683d74240c2bbec3691c2d7705592a192ba715cef9d7
Sep 21 07:03:22.819 INFO running `"docker" "start" "-a" "b4bb7c8be744fa6b9f3b683d74240c2bbec3691c2d7705592a192ba715cef9d7"`
Sep 21 07:03:24.688 INFO kablam! usermod: no changes
Sep 21 07:03:24.790 INFO kablam!     Checking bs58 v0.2.2
Sep 21 07:03:24.790 INFO kablam!     Checking varmint v0.1.3
Sep 21 07:03:25.526 INFO kablam!     Checking mhash v0.3.0 (/source)
Sep 21 07:03:25.659 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 21 07:03:25.659 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 21 07:03:25.659 INFO kablam!  --> src/lib.rs:4:9
Sep 21 07:03:25.659 INFO kablam!   |
Sep 21 07:03:25.659 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 21 07:03:25.659 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 21 07:03:25.659 INFO kablam!   |
Sep 21 07:03:25.659 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 21 07:03:25.659 INFO kablam! 
Sep 21 07:03:25.659 INFO kablam!  --> src/lib.rs:4:9
Sep 21 07:03:25.659 INFO kablam!   |
Sep 21 07:03:25.659 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 21 07:03:25.659 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 21 07:03:25.659 INFO kablam!   |
Sep 21 07:03:25.659 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 21 07:03:25.660 INFO kablam! 
Sep 21 07:03:26.745 INFO kablam! warning: variable does not need to be mutable
Sep 21 07:03:26.745 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 21 07:03:26.745 INFO kablam!    |
Sep 21 07:03:26.745 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 21 07:03:26.745 INFO kablam!    |                 ----^^^^^^
Sep 21 07:03:26.746 INFO kablam!    |                 |
Sep 21 07:03:26.754 INFO kablam!    |                 help: remove this `mut`
Sep 21 07:03:26.754 INFO kablam!    |
Sep 21 07:03:26.754 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 07:03:26.754 INFO kablam! 
Sep 21 07:03:26.801 INFO kablam! warning: unused result
Sep 21 07:03:26.802 INFO kablam!   --> src/read.rs:83:9
Sep 21 07:03:26.802 INFO kablam!    |
Sep 21 07:03:26.802 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 21 07:03:26.804 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:03:26.804 INFO kablam!    |
Sep 21 07:03:26.805 INFO kablam! note: lint level defined here
Sep 21 07:03:26.805 INFO kablam!   --> src/lib.rs:11:9
Sep 21 07:03:26.806 INFO kablam!    |
Sep 21 07:03:26.806 INFO kablam! 11 | #![warn(unused_results)]
Sep 21 07:03:26.806 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 21 07:03:26.806 INFO kablam! 
Sep 21 07:03:26.807 INFO kablam! warning: unused result
Sep 21 07:03:26.808 INFO kablam!   --> src/read.rs:89:9
Sep 21 07:03:26.808 INFO kablam!    |
Sep 21 07:03:26.808 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 21 07:03:26.808 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:03:26.809 INFO kablam! 
Sep 21 07:03:26.809 INFO kablam! warning: unused result
Sep 21 07:03:26.810 INFO kablam!   --> src/read.rs:95:9
Sep 21 07:03:26.810 INFO kablam!    |
Sep 21 07:03:26.810 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 21 07:03:26.811 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:03:26.811 INFO kablam! 
Sep 21 07:03:26.812 INFO kablam! warning: unused result
Sep 21 07:03:26.812 INFO kablam!    --> src/read.rs:101:9
Sep 21 07:03:26.812 INFO kablam!     |
Sep 21 07:03:26.813 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 21 07:03:26.813 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:03:26.813 INFO kablam! 
Sep 21 07:03:26.814 INFO kablam! warning: unused result
Sep 21 07:03:26.814 INFO kablam!    --> src/read.rs:113:9
Sep 21 07:03:26.814 INFO kablam!     |
Sep 21 07:03:26.815 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 21 07:03:26.815 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 07:03:26.815 INFO kablam! 
Sep 21 07:03:26.863 INFO kablam! warning: variable does not need to be mutable
Sep 21 07:03:26.863 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 21 07:03:26.863 INFO kablam!    |
Sep 21 07:03:26.863 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 21 07:03:26.863 INFO kablam!    |                 ----^^^^^^
Sep 21 07:03:26.863 INFO kablam!    |                 |
Sep 21 07:03:26.863 INFO kablam!    |                 help: remove this `mut`
Sep 21 07:03:26.863 INFO kablam!    |
Sep 21 07:03:26.863 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 21 07:03:26.863 INFO kablam! 
Sep 21 07:03:26.992 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
Sep 21 07:03:27.005 INFO kablam! su: No module specific data is present
Sep 21 07:03:28.233 INFO running `"docker" "rm" "-f" "b4bb7c8be744fa6b9f3b683d74240c2bbec3691c2d7705592a192ba715cef9d7"`
Sep 21 07:03:28.347 INFO blam! b4bb7c8be744fa6b9f3b683d74240c2bbec3691c2d7705592a192ba715cef9d7