Nov 01 12:56:21.573 INFO checking BookOwl/trusty against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 12:56:21.574 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 12:56:21.974 INFO blam! 599e79554a03b59b547c69946b85ce112577815e682e41a39a79335044d8f91b
Nov 01 12:56:21.976 INFO running `"docker" "start" "-a" "599e79554a03b59b547c69946b85ce112577815e682e41a39a79335044d8f91b"`
Nov 01 12:56:23.257 INFO kablam! usermod: no changes
Nov 01 12:56:23.326 INFO kablam!     Checking left-pad v1.0.1
Nov 01 12:56:23.352 INFO kablam!     Checking termion v1.1.4
Nov 01 12:56:24.724 INFO kablam!     Checking trusty v0.1.0 (/source)
Nov 01 12:56:25.937 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.938 INFO kablam!   --> src/backend.rs:62:17
Nov 01 12:56:25.938 INFO kablam!    |
Nov 01 12:56:25.939 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 01 12:56:25.940 INFO kablam!    |                 ----^^^
Nov 01 12:56:25.940 INFO kablam!    |                 |
Nov 01 12:56:25.941 INFO kablam!    |                 help: remove this `mut`
Nov 01 12:56:25.942 INFO kablam!    |
Nov 01 12:56:25.949 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 12:56:25.949 INFO kablam! 
Nov 01 12:56:25.950 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.950 INFO kablam!   --> src/backend.rs:66:13
Nov 01 12:56:25.950 INFO kablam!    |
Nov 01 12:56:25.950 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 01 12:56:25.951 INFO kablam!    |             ----^^^^^^
Nov 01 12:56:25.951 INFO kablam!    |             |
Nov 01 12:56:25.951 INFO kablam!    |             help: remove this `mut`
Nov 01 12:56:25.951 INFO kablam! 
Nov 01 12:56:25.951 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.952 INFO kablam!   --> src/backend.rs:62:17
Nov 01 12:56:25.952 INFO kablam!    |
Nov 01 12:56:25.952 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 01 12:56:25.953 INFO kablam!    |                 ----^^^
Nov 01 12:56:25.953 INFO kablam!    |                 |
Nov 01 12:56:25.953 INFO kablam!    |                 help: remove this `mut`
Nov 01 12:56:25.953 INFO kablam!    |
Nov 01 12:56:25.953 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 12:56:25.954 INFO kablam! 
Nov 01 12:56:25.954 INFO kablam! warning: variable does not need to be mutable
Nov 01 12:56:25.954 INFO kablam!   --> src/backend.rs:66:13
Nov 01 12:56:25.954 INFO kablam!    |
Nov 01 12:56:25.955 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 01 12:56:25.955 INFO kablam!    |             ----^^^^^^
Nov 01 12:56:25.955 INFO kablam!    |             |
Nov 01 12:56:25.955 INFO kablam!    |             help: remove this `mut`
Nov 01 12:56:25.956 INFO kablam! 
Nov 01 12:56:27.254 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
Nov 01 12:56:27.258 INFO kablam! su: No module specific data is present
Nov 01 12:56:28.002 INFO running `"docker" "rm" "-f" "599e79554a03b59b547c69946b85ce112577815e682e41a39a79335044d8f91b"`
Nov 01 12:56:28.280 INFO blam! 599e79554a03b59b547c69946b85ce112577815e682e41a39a79335044d8f91b