Oct 13 12:05:42.027 INFO checking mhash-0.3.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 12:05:42.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 13 12:05:42.416 INFO blam! 5e7cf42d5b875b6e6aed80a6e9ff5ce6e5f30614893c8bf3b7f0a3257f90a7d3
Oct 13 12:05:42.421 INFO running `"docker" "start" "-a" "5e7cf42d5b875b6e6aed80a6e9ff5ce6e5f30614893c8bf3b7f0a3257f90a7d3"`
Oct 13 12:05:43.933 INFO kablam! usermod: no changes
Oct 13 12:05:44.088 INFO kablam!     Checking varmint v0.1.3
Oct 13 12:05:44.089 INFO kablam!     Checking error-chain v0.5.0
Oct 13 12:05:45.637 INFO kablam!     Checking mhash v0.3.0 (/source)
Oct 13 12:05:45.694 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Oct 13 12:05:45.694 INFO kablam!  --> src/lib.rs:4:9
Oct 13 12:05:45.694 INFO kablam!   |
Oct 13 12:05:45.695 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Oct 13 12:05:45.695 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Oct 13 12:05:45.695 INFO kablam!   |
Oct 13 12:05:45.695 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Oct 13 12:05:45.696 INFO kablam! 
Oct 13 12:05:45.749 INFO kablam! warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Oct 13 12:05:45.749 INFO kablam!  --> src/lib.rs:4:9
Oct 13 12:05:45.749 INFO kablam!   |
Oct 13 12:05:45.750 INFO kablam! 4 | #![warn(fat_ptr_transmutes)]
Oct 13 12:05:45.750 INFO kablam!   |         ^^^^^^^^^^^^^^^^^^
Oct 13 12:05:45.750 INFO kablam!   |
Oct 13 12:05:45.750 INFO kablam!   = note: #[warn(renamed_and_removed_lints)] on by default
Oct 13 12:05:45.751 INFO kablam! 
Oct 13 12:05:47.453 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:05:47.453 INFO kablam!   --> src/multihash_vec.rs:23:17
Oct 13 12:05:47.453 INFO kablam!    |
Oct 13 12:05:47.454 INFO kablam! 23 |             let mut writer = &mut bytes;
Oct 13 12:05:47.454 INFO kablam!    |                 ----^^^^^^
Oct 13 12:05:47.454 INFO kablam!    |                 |
Oct 13 12:05:47.455 INFO kablam!    |                 help: remove this `mut`
Oct 13 12:05:47.455 INFO kablam!    |
Oct 13 12:05:47.455 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 12:05:47.456 INFO kablam! 
Oct 13 12:05:47.817 INFO kablam! warning: variable does not need to be mutable
Oct 13 12:05:47.817 INFO kablam!   --> src/multihash_vec.rs:23:17
Oct 13 12:05:47.818 INFO kablam!    |
Oct 13 12:05:47.818 INFO kablam! 23 |             let mut writer = &mut bytes;
Oct 13 12:05:47.818 INFO kablam!    |                 ----^^^^^^
Oct 13 12:05:47.819 INFO kablam!    |                 |
Oct 13 12:05:47.819 INFO kablam!    |                 help: remove this `mut`
Oct 13 12:05:47.819 INFO kablam!    |
Oct 13 12:05:47.820 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 12:05:47.820 INFO kablam! 
Oct 13 12:05:47.864 INFO kablam! warning: unused result
Oct 13 12:05:47.864 INFO kablam!   --> src/read.rs:83:9
Oct 13 12:05:47.864 INFO kablam!    |
Oct 13 12:05:47.864 INFO kablam! 83 |         buffer.read_multihash().is_err();
Oct 13 12:05:47.864 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:05:47.864 INFO kablam!    |
Oct 13 12:05:47.864 INFO kablam! note: lint level defined here
Oct 13 12:05:47.864 INFO kablam!   --> src/lib.rs:11:9
Oct 13 12:05:47.864 INFO kablam!    |
Oct 13 12:05:47.864 INFO kablam! 11 | #![warn(unused_results)]
Oct 13 12:05:47.864 INFO kablam!    |         ^^^^^^^^^^^^^^
Oct 13 12:05:47.864 INFO kablam! 
Oct 13 12:05:47.864 INFO kablam! warning: unused result
Oct 13 12:05:47.864 INFO kablam!   --> src/read.rs:89:9
Oct 13 12:05:47.864 INFO kablam!    |
Oct 13 12:05:47.864 INFO kablam! 89 |         buffer.read_multihash().is_err();
Oct 13 12:05:47.864 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:05:47.865 INFO kablam! 
Oct 13 12:05:47.865 INFO kablam! warning: unused result
Oct 13 12:05:47.865 INFO kablam!   --> src/read.rs:95:9
Oct 13 12:05:47.865 INFO kablam!    |
Oct 13 12:05:47.865 INFO kablam! 95 |         buffer.read_multihash().is_err();
Oct 13 12:05:47.865 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:05:47.865 INFO kablam! 
Oct 13 12:05:47.865 INFO kablam! warning: unused result
Oct 13 12:05:47.865 INFO kablam!    --> src/read.rs:101:9
Oct 13 12:05:47.865 INFO kablam!     |
Oct 13 12:05:47.865 INFO kablam! 101 |         buffer.read_multihash().is_err();
Oct 13 12:05:47.865 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:05:47.865 INFO kablam! 
Oct 13 12:05:47.865 INFO kablam! warning: unused result
Oct 13 12:05:47.865 INFO kablam!    --> src/read.rs:113:9
Oct 13 12:05:47.865 INFO kablam!     |
Oct 13 12:05:47.865 INFO kablam! 113 |         buffer.read_multihash().is_err();
Oct 13 12:05:47.865 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 12:05:47.865 INFO kablam! 
Oct 13 12:05:47.896 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Oct 13 12:05:47.905 INFO kablam! su: No module specific data is present
Oct 13 12:05:48.722 INFO running `"docker" "rm" "-f" "5e7cf42d5b875b6e6aed80a6e9ff5ce6e5f30614893c8bf3b7f0a3257f90a7d3"`
Oct 13 12:05:48.997 INFO blam! 5e7cf42d5b875b6e6aed80a6e9ff5ce6e5f30614893c8bf3b7f0a3257f90a7d3