Dec 05 10:27:54.404 INFO checking mhash-0.3.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 10:27:54.404 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 10:27:54.891 INFO [stdout] bd4f296651ef83ca921f8fe6ab20ce960ba4ded19a7c582b11dfd5564d2db8cc
Dec 05 10:27:54.893 INFO running `"docker" "start" "-a" "bd4f296651ef83ca921f8fe6ab20ce960ba4ded19a7c582b11dfd5564d2db8cc"`
Dec 05 10:27:57.131 INFO [stderr] usermod: no changes
Dec 05 10:27:57.289 INFO [stderr]     Checking varmint v0.1.3
Dec 05 10:27:58.102 INFO [stderr]     Checking mhash v0.3.0 (/source)
Dec 05 10:27:58.187 INFO [stderr] warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Dec 05 10:27:58.187 INFO [stderr]  --> src/lib.rs:4:9
Dec 05 10:27:58.187 INFO [stderr]   |
Dec 05 10:27:58.187 INFO [stderr] 4 | #![warn(fat_ptr_transmutes)]
Dec 05 10:27:58.187 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^
Dec 05 10:27:58.187 INFO [stderr]   |
Dec 05 10:27:58.187 INFO [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
Dec 05 10:27:58.187 INFO [stderr] 
Dec 05 10:27:58.291 INFO [stderr] warning: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
Dec 05 10:27:58.291 INFO [stderr]  --> src/lib.rs:4:9
Dec 05 10:27:58.291 INFO [stderr]   |
Dec 05 10:27:58.291 INFO [stderr] 4 | #![warn(fat_ptr_transmutes)]
Dec 05 10:27:58.291 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^
Dec 05 10:27:58.291 INFO [stderr]   |
Dec 05 10:27:58.291 INFO [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
Dec 05 10:27:58.291 INFO [stderr] 
Dec 05 10:28:00.307 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:28:00.307 INFO [stderr]   --> src/multihash_vec.rs:23:17
Dec 05 10:28:00.307 INFO [stderr]    |
Dec 05 10:28:00.307 INFO [stderr] 23 |             let mut writer = &mut bytes;
Dec 05 10:28:00.307 INFO [stderr]    |                 ----^^^^^^
Dec 05 10:28:00.307 INFO [stderr]    |                 |
Dec 05 10:28:00.307 INFO [stderr]    |                 help: remove this `mut`
Dec 05 10:28:00.307 INFO [stderr]    |
Dec 05 10:28:00.307 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:28:00.307 INFO [stderr] 
Dec 05 10:28:00.307 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:28:00.307 INFO [stderr]   --> src/multihash_vec.rs:23:17
Dec 05 10:28:00.307 INFO [stderr]    |
Dec 05 10:28:00.307 INFO [stderr] 23 |             let mut writer = &mut bytes;
Dec 05 10:28:00.307 INFO [stderr]    |                 ----^^^^^^
Dec 05 10:28:00.307 INFO [stderr]    |                 |
Dec 05 10:28:00.307 INFO [stderr]    |                 help: remove this `mut`
Dec 05 10:28:00.307 INFO [stderr]    |
Dec 05 10:28:00.307 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:28:00.307 INFO [stderr] 
Dec 05 10:28:00.359 INFO [stderr] warning: unused result
Dec 05 10:28:00.359 INFO [stderr]   --> src/read.rs:83:9
Dec 05 10:28:00.359 INFO [stderr]    |
Dec 05 10:28:00.359 INFO [stderr] 83 |         buffer.read_multihash().is_err();
Dec 05 10:28:00.359 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:28:00.367 INFO [stderr]    |
Dec 05 10:28:00.367 INFO [stderr] note: lint level defined here
Dec 05 10:28:00.367 INFO [stderr]   --> src/lib.rs:11:9
Dec 05 10:28:00.367 INFO [stderr]    |
Dec 05 10:28:00.367 INFO [stderr] 11 | #![warn(unused_results)]
Dec 05 10:28:00.367 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 05 10:28:00.367 INFO [stderr] 
Dec 05 10:28:00.375 INFO [stderr] warning: unused result
Dec 05 10:28:00.375 INFO [stderr]   --> src/read.rs:89:9
Dec 05 10:28:00.375 INFO [stderr]    |
Dec 05 10:28:00.375 INFO [stderr] 89 |         buffer.read_multihash().is_err();
Dec 05 10:28:00.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:28:00.375 INFO [stderr] 
Dec 05 10:28:00.375 INFO [stderr] warning: unused result
Dec 05 10:28:00.375 INFO [stderr]   --> src/read.rs:95:9
Dec 05 10:28:00.375 INFO [stderr]    |
Dec 05 10:28:00.375 INFO [stderr] 95 |         buffer.read_multihash().is_err();
Dec 05 10:28:00.375 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:28:00.375 INFO [stderr] 
Dec 05 10:28:00.375 INFO [stderr] warning: unused result
Dec 05 10:28:00.375 INFO [stderr]    --> src/read.rs:101:9
Dec 05 10:28:00.375 INFO [stderr]     |
Dec 05 10:28:00.375 INFO [stderr] 101 |         buffer.read_multihash().is_err();
Dec 05 10:28:00.375 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:28:00.375 INFO [stderr] 
Dec 05 10:28:00.375 INFO [stderr] warning: unused result
Dec 05 10:28:00.375 INFO [stderr]    --> src/read.rs:113:9
Dec 05 10:28:00.375 INFO [stderr]     |
Dec 05 10:28:00.375 INFO [stderr] 113 |         buffer.read_multihash().is_err();
Dec 05 10:28:00.375 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:28:00.375 INFO [stderr] 
Dec 05 10:28:00.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
Dec 05 10:28:00.415 INFO [stderr] su: No module specific data is present
Dec 05 10:28:01.122 INFO running `"docker" "inspect" "bd4f296651ef83ca921f8fe6ab20ce960ba4ded19a7c582b11dfd5564d2db8cc"`
Dec 05 10:28:01.236 INFO running `"docker" "rm" "-f" "bd4f296651ef83ca921f8fe6ab20ce960ba4ded19a7c582b11dfd5564d2db8cc"`
Dec 05 10:28:01.402 INFO [stdout] bd4f296651ef83ca921f8fe6ab20ce960ba4ded19a7c582b11dfd5564d2db8cc