Nov 09 20:45:42.968 INFO checking BookOwl/trusty against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 20:45:42.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-6/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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"`
Nov 09 20:45:43.391 INFO blam! 92fd4e0a39cad4086bc16e9b859105511ae696df0d89cc56ab10e29a44196872
Nov 09 20:45:43.394 INFO running `"docker" "start" "-a" "92fd4e0a39cad4086bc16e9b859105511ae696df0d89cc56ab10e29a44196872"`
Nov 09 20:45:45.605 INFO kablam! usermod: no changes
Nov 09 20:45:45.667 INFO kablam!     Checking left-pad v1.0.1
Nov 09 20:45:45.668 INFO kablam!     Checking termion v1.1.4
Nov 09 20:45:46.943 INFO kablam!     Checking trusty v0.1.0 (/source)
Nov 09 20:45:48.227 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:45:48.227 INFO kablam!   --> src/backend.rs:62:17
Nov 09 20:45:48.227 INFO kablam!    |
Nov 09 20:45:48.227 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 09 20:45:48.227 INFO kablam!    |                 ----^^^
Nov 09 20:45:48.227 INFO kablam!    |                 |
Nov 09 20:45:48.227 INFO kablam!    |                 help: remove this `mut`
Nov 09 20:45:48.227 INFO kablam!    |
Nov 09 20:45:48.227 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:45:48.227 INFO kablam! 
Nov 09 20:45:48.227 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:45:48.227 INFO kablam!   --> src/backend.rs:66:13
Nov 09 20:45:48.227 INFO kablam!    |
Nov 09 20:45:48.227 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 09 20:45:48.227 INFO kablam!    |             ----^^^^^^
Nov 09 20:45:48.227 INFO kablam!    |             |
Nov 09 20:45:48.227 INFO kablam!    |             help: remove this `mut`
Nov 09 20:45:48.227 INFO kablam! 
Nov 09 20:45:48.460 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:45:48.460 INFO kablam!   --> src/backend.rs:62:17
Nov 09 20:45:48.460 INFO kablam!    |
Nov 09 20:45:48.461 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 09 20:45:48.461 INFO kablam!    |                 ----^^^
Nov 09 20:45:48.461 INFO kablam!    |                 |
Nov 09 20:45:48.461 INFO kablam!    |                 help: remove this `mut`
Nov 09 20:45:48.461 INFO kablam!    |
Nov 09 20:45:48.462 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 20:45:48.462 INFO kablam! 
Nov 09 20:45:48.462 INFO kablam! warning: variable does not need to be mutable
Nov 09 20:45:48.462 INFO kablam!   --> src/backend.rs:66:13
Nov 09 20:45:48.463 INFO kablam!    |
Nov 09 20:45:48.463 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 09 20:45:48.463 INFO kablam!    |             ----^^^^^^
Nov 09 20:45:48.464 INFO kablam!    |             |
Nov 09 20:45:48.464 INFO kablam!    |             help: remove this `mut`
Nov 09 20:45:48.464 INFO kablam! 
Nov 09 20:45:49.518 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Nov 09 20:45:49.534 INFO kablam! su: No module specific data is present
Nov 09 20:45:50.269 INFO running `"docker" "rm" "-f" "92fd4e0a39cad4086bc16e9b859105511ae696df0d89cc56ab10e29a44196872"`
Nov 09 20:45:50.424 INFO blam! 92fd4e0a39cad4086bc16e9b859105511ae696df0d89cc56ab10e29a44196872