Nov 01 12:56:21.764 INFO checking BookOwl/trusty against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 12:56:21.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 01 12:56:22.277 INFO blam! 5bedcbab22d1b2df49787c2477bfe3e0261728cae0b908a205ad984312972171
Nov 01 12:56:22.282 INFO running `"docker" "start" "-a" "5bedcbab22d1b2df49787c2477bfe3e0261728cae0b908a205ad984312972171"`
Nov 01 12:56:23.678 INFO kablam! usermod: no changes
Nov 01 12:56:23.755 INFO kablam!     Checking left-pad v1.0.1
Nov 01 12:56:24.267 INFO kablam!     Checking trusty v0.1.0 (/source)
Nov 01 12:56:25.048 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.048 INFO kablam!   --> src/backend.rs:62:17
Nov 01 12:56:25.048 INFO kablam!    |
Nov 01 12:56:25.048 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 01 12:56:25.048 INFO kablam!    |                 ----^^^
Nov 01 12:56:25.048 INFO kablam!    |                 |
Nov 01 12:56:25.048 INFO kablam!    |                 help: remove this `mut`
Nov 01 12:56:25.048 INFO kablam!    |
Nov 01 12:56:25.048 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 12:56:25.048 INFO kablam! 
Nov 01 12:56:25.048 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.048 INFO kablam!   --> src/backend.rs:66:13
Nov 01 12:56:25.048 INFO kablam!    |
Nov 01 12:56:25.048 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 01 12:56:25.048 INFO kablam!    |             ----^^^^^^
Nov 01 12:56:25.048 INFO kablam!    |             |
Nov 01 12:56:25.048 INFO kablam!    |             help: remove this `mut`
Nov 01 12:56:25.048 INFO kablam! 
Nov 01 12:56:25.527 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.527 INFO kablam!   --> src/backend.rs:62:17
Nov 01 12:56:25.527 INFO kablam!    |
Nov 01 12:56:25.527 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 01 12:56:25.527 INFO kablam!    |                 ----^^^
Nov 01 12:56:25.527 INFO kablam!    |                 |
Nov 01 12:56:25.527 INFO kablam!    |                 help: remove this `mut`
Nov 01 12:56:25.527 INFO kablam!    |
Nov 01 12:56:25.527 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 12:56:25.527 INFO kablam! 
Nov 01 12:56:25.527 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.527 INFO kablam!   --> src/backend.rs:66:13
Nov 01 12:56:25.527 INFO kablam!    |
Nov 01 12:56:25.527 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 01 12:56:25.527 INFO kablam!    |             ----^^^^^^
Nov 01 12:56:25.527 INFO kablam!    |             |
Nov 01 12:56:25.527 INFO kablam!    |             help: remove this `mut`
Nov 01 12:56:25.527 INFO kablam! 
Nov 01 12:56:26.560 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
Nov 01 12:56:26.568 INFO kablam! su: No module specific data is present
Nov 01 12:56:27.752 INFO running `"docker" "rm" "-f" "5bedcbab22d1b2df49787c2477bfe3e0261728cae0b908a205ad984312972171"`
Nov 01 12:56:28.032 INFO blam! 5bedcbab22d1b2df49787c2477bfe3e0261728cae0b908a205ad984312972171