Sep 19 22:21:40.146 INFO checking mhash-0.3.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 22:21:40.146 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 22:21:40.146 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:21:40.329 INFO blam! e39a0ecb76e5e88fddf227b3c0a8de4e02026da1900b0b2043e924d307839c3a
Sep 19 22:21:40.331 INFO running `"docker" "start" "-a" "e39a0ecb76e5e88fddf227b3c0a8de4e02026da1900b0b2043e924d307839c3a"`
Sep 19 22:21:40.975 INFO kablam! usermod: no changes
Sep 19 22:21:41.051 INFO kablam!     Checking varmint v0.1.3
Sep 19 22:21:41.059 INFO kablam!     Checking error-chain v0.5.0
Sep 19 22:21:41.527 INFO kablam!     Checking mhash v0.3.0 (/source)
Sep 19 22:21:41.589 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 19 22:21:41.589 INFO kablam!  --> src/lib.rs:4:9
Sep 19 22:21:41.589 INFO kablam!   |
Sep 19 22:21:41.589 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 19 22:21:41.589 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 19 22:21:41.589 INFO kablam!   |
Sep 19 22:21:41.589 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 19 22:21:41.589 INFO kablam! 
Sep 19 22:21:41.598 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Sep 19 22:21:41.598 INFO kablam!  --> src/lib.rs:4:9
Sep 19 22:21:41.599 INFO kablam!   |
Sep 19 22:21:41.599 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Sep 19 22:21:41.599 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Sep 19 22:21:41.599 INFO kablam!   |
Sep 19 22:21:41.599 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Sep 19 22:21:41.599 INFO kablam! 
Sep 19 22:21:42.322 INFO kablam! warning: variable does not need to be mutable
Sep 19 22:21:42.323 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 19 22:21:42.323 INFO kablam!    |
Sep 19 22:21:42.323 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 19 22:21:42.323 INFO kablam!    |                 ----^^^^^^
Sep 19 22:21:42.323 INFO kablam!    |                 |
Sep 19 22:21:42.323 INFO kablam!    |                 help: remove this `mut`
Sep 19 22:21:42.323 INFO kablam!    |
Sep 19 22:21:42.323 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 22:21:42.323 INFO kablam! 
Sep 19 22:21:42.446 INFO kablam! warning: variable does not need to be mutable
Sep 19 22:21:42.446 INFO kablam!   --> src/multihash_vec.rs:23:17
Sep 19 22:21:42.446 INFO kablam!    |
Sep 19 22:21:42.446 INFO kablam! 23 |             let mut writer = &mut bytes;
Sep 19 22:21:42.446 INFO kablam!    |                 ----^^^^^^
Sep 19 22:21:42.446 INFO kablam!    |                 |
Sep 19 22:21:42.446 INFO kablam!    |                 help: remove this `mut`
Sep 19 22:21:42.446 INFO kablam!    |
Sep 19 22:21:42.446 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 22:21:42.446 INFO kablam! 
Sep 19 22:21:42.511 INFO kablam! warning: unused result
Sep 19 22:21:42.511 INFO kablam!   --> src/read.rs:83:9
Sep 19 22:21:42.511 INFO kablam!    |
Sep 19 22:21:42.511 INFO kablam! 83 |         buffer.read_multihash().is_err();
Sep 19 22:21:42.511 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:21:42.511 INFO kablam!    |
Sep 19 22:21:42.511 INFO kablam! note: lint level defined here
Sep 19 22:21:42.511 INFO kablam!   --> src/lib.rs:11:9
Sep 19 22:21:42.511 INFO kablam!    |
Sep 19 22:21:42.511 INFO kablam! 11 | #![warn(unused_results)]
Sep 19 22:21:42.511 INFO kablam!    |         ^^^^^^^^^^^^^^
Sep 19 22:21:42.511 INFO kablam! 
Sep 19 22:21:42.511 INFO kablam! warning: unused result
Sep 19 22:21:42.511 INFO kablam!   --> src/read.rs:89:9
Sep 19 22:21:42.511 INFO kablam!    |
Sep 19 22:21:42.511 INFO kablam! 89 |         buffer.read_multihash().is_err();
Sep 19 22:21:42.511 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:21:42.511 INFO kablam! 
Sep 19 22:21:42.511 INFO kablam! warning: unused result
Sep 19 22:21:42.511 INFO kablam!   --> src/read.rs:95:9
Sep 19 22:21:42.511 INFO kablam!    |
Sep 19 22:21:42.511 INFO kablam! 95 |         buffer.read_multihash().is_err();
Sep 19 22:21:42.511 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:21:42.511 INFO kablam! 
Sep 19 22:21:42.516 INFO kablam! warning: unused result
Sep 19 22:21:42.516 INFO kablam!    --> src/read.rs:101:9
Sep 19 22:21:42.516 INFO kablam!     |
Sep 19 22:21:42.516 INFO kablam! 101 |         buffer.read_multihash().is_err();
Sep 19 22:21:42.516 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:21:42.516 INFO kablam! 
Sep 19 22:21:42.516 INFO kablam! warning: unused result
Sep 19 22:21:42.516 INFO kablam!    --> src/read.rs:113:9
Sep 19 22:21:42.516 INFO kablam!     |
Sep 19 22:21:42.516 INFO kablam! 113 |         buffer.read_multihash().is_err();
Sep 19 22:21:42.516 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 22:21:42.516 INFO kablam! 
Sep 19 22:21:42.543 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
Sep 19 22:21:42.544 INFO kablam! su: No module specific data is present
Sep 19 22:21:43.333 INFO running `"docker" "rm" "-f" "e39a0ecb76e5e88fddf227b3c0a8de4e02026da1900b0b2043e924d307839c3a"`
Sep 19 22:21:43.478 INFO blam! e39a0ecb76e5e88fddf227b3c0a8de4e02026da1900b0b2043e924d307839c3a