Oct 27 12:34:52.501 INFO checking BookOwl/trusty against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 12:34:52.501 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-6/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 27 12:34:52.857 INFO blam! f5ca11cdd239225252ac2be199878dc5423b4471852eff1ceb09fd13638e255e
Oct 27 12:34:52.867 INFO running `"docker" "start" "-a" "f5ca11cdd239225252ac2be199878dc5423b4471852eff1ceb09fd13638e255e"`
Oct 27 12:34:53.973 INFO kablam! usermod: no changes
Oct 27 12:34:54.021 INFO kablam!     Checking left-pad v1.0.1
Oct 27 12:34:54.027 INFO kablam!     Checking termion v1.1.4
Oct 27 12:34:55.255 INFO kablam!     Checking trusty v0.1.0 (/source)
Oct 27 12:34:56.614 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.614 INFO kablam!   --> src/backend.rs:62:17
Oct 27 12:34:56.614 INFO kablam!    |
Oct 27 12:34:56.614 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 27 12:34:56.614 INFO kablam!    |                 ----^^^
Oct 27 12:34:56.614 INFO kablam!    |                 |
Oct 27 12:34:56.614 INFO kablam!    |                 help: remove this `mut`
Oct 27 12:34:56.623 INFO kablam!    |
Oct 27 12:34:56.623 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 12:34:56.623 INFO kablam! 
Oct 27 12:34:56.623 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.623 INFO kablam!   --> src/backend.rs:66:13
Oct 27 12:34:56.623 INFO kablam!    |
Oct 27 12:34:56.623 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 27 12:34:56.623 INFO kablam!    |             ----^^^^^^
Oct 27 12:34:56.623 INFO kablam!    |             |
Oct 27 12:34:56.623 INFO kablam!    |             help: remove this `mut`
Oct 27 12:34:56.623 INFO kablam! 
Oct 27 12:34:56.763 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.763 INFO kablam!   --> src/backend.rs:62:17
Oct 27 12:34:56.763 INFO kablam!    |
Oct 27 12:34:56.763 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 27 12:34:56.763 INFO kablam!    |                 ----^^^
Oct 27 12:34:56.763 INFO kablam!    |                 |
Oct 27 12:34:56.764 INFO kablam!    |                 help: remove this `mut`
Oct 27 12:34:56.764 INFO kablam!    |
Oct 27 12:34:56.764 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 12:34:56.764 INFO kablam! 
Oct 27 12:34:56.764 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.764 INFO kablam!   --> src/backend.rs:66:13
Oct 27 12:34:56.764 INFO kablam!    |
Oct 27 12:34:56.764 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 27 12:34:56.764 INFO kablam!    |             ----^^^^^^
Oct 27 12:34:56.764 INFO kablam!    |             |
Oct 27 12:34:56.764 INFO kablam!    |             help: remove this `mut`
Oct 27 12:34:56.764 INFO kablam! 
Oct 27 12:34:58.243 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
Oct 27 12:34:58.246 INFO kablam! su: No module specific data is present
Oct 27 12:34:59.343 INFO running `"docker" "rm" "-f" "f5ca11cdd239225252ac2be199878dc5423b4471852eff1ceb09fd13638e255e"`
Oct 27 12:34:59.623 INFO blam! f5ca11cdd239225252ac2be199878dc5423b4471852eff1ceb09fd13638e255e