Nov 07 05:38:32.030 INFO checking BookOwl/trusty against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 05:38:32.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-0/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 05:38:32.446 INFO blam! 66e25e310fbba544e7038af243af71d2a47aa19c3ce7a4b5d1d909c62f88d8fd
Nov 07 05:38:32.448 INFO running `"docker" "start" "-a" "66e25e310fbba544e7038af243af71d2a47aa19c3ce7a4b5d1d909c62f88d8fd"`
Nov 07 05:38:34.437 INFO kablam! usermod: no changes
Nov 07 05:38:34.525 INFO kablam!     Checking left-pad v1.0.1
Nov 07 05:38:35.142 INFO kablam!     Checking trusty v0.1.0 (/source)
Nov 07 05:38:36.024 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:38:36.024 INFO kablam!   --> src/backend.rs:62:17
Nov 07 05:38:36.024 INFO kablam!    |
Nov 07 05:38:36.024 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 07 05:38:36.024 INFO kablam!    |                 ----^^^
Nov 07 05:38:36.024 INFO kablam!    |                 |
Nov 07 05:38:36.024 INFO kablam!    |                 help: remove this `mut`
Nov 07 05:38:36.024 INFO kablam!    |
Nov 07 05:38:36.024 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:38:36.024 INFO kablam! 
Nov 07 05:38:36.024 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:38:36.024 INFO kablam!   --> src/backend.rs:66:13
Nov 07 05:38:36.024 INFO kablam!    |
Nov 07 05:38:36.024 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 07 05:38:36.024 INFO kablam!    |             ----^^^^^^
Nov 07 05:38:36.024 INFO kablam!    |             |
Nov 07 05:38:36.024 INFO kablam!    |             help: remove this `mut`
Nov 07 05:38:36.024 INFO kablam! 
Nov 07 05:38:36.296 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:38:36.296 INFO kablam!   --> src/backend.rs:62:17
Nov 07 05:38:36.296 INFO kablam!    |
Nov 07 05:38:36.296 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Nov 07 05:38:36.296 INFO kablam!    |                 ----^^^
Nov 07 05:38:36.296 INFO kablam!    |                 |
Nov 07 05:38:36.296 INFO kablam!    |                 help: remove this `mut`
Nov 07 05:38:36.296 INFO kablam!    |
Nov 07 05:38:36.296 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 05:38:36.296 INFO kablam! 
Nov 07 05:38:36.297 INFO kablam! warning: variable does not need to be mutable
Nov 07 05:38:36.298 INFO kablam!   --> src/backend.rs:66:13
Nov 07 05:38:36.298 INFO kablam!    |
Nov 07 05:38:36.298 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Nov 07 05:38:36.298 INFO kablam!    |             ----^^^^^^
Nov 07 05:38:36.298 INFO kablam!    |             |
Nov 07 05:38:36.298 INFO kablam!    |             help: remove this `mut`
Nov 07 05:38:36.298 INFO kablam! 
Nov 07 05:38:37.216 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
Nov 07 05:38:37.225 INFO kablam! su: No module specific data is present
Nov 07 05:38:38.061 INFO running `"docker" "rm" "-f" "66e25e310fbba544e7038af243af71d2a47aa19c3ce7a4b5d1d909c62f88d8fd"`
Nov 07 05:38:38.355 INFO blam! 66e25e310fbba544e7038af243af71d2a47aa19c3ce7a4b5d1d909c62f88d8fd