Oct 13 05:25:56.411 INFO checking BookOwl/trusty against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 05:25:56.413 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 05:25:56.812 INFO blam! de4035a6973fe1c612196900c09c15b817c90bd2d55f4b2d3a752a4ec616b018
Oct 13 05:25:56.820 INFO running `"docker" "start" "-a" "de4035a6973fe1c612196900c09c15b817c90bd2d55f4b2d3a752a4ec616b018"`
Oct 13 05:25:57.976 INFO kablam! usermod: no changes
Oct 13 05:25:58.037 INFO kablam!     Checking left-pad v1.0.1
Oct 13 05:25:58.037 INFO kablam!     Checking termion v1.1.4
Oct 13 05:25:59.497 INFO kablam!     Checking trusty v0.1.0 (/source)
Oct 13 05:26:00.582 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:26:00.582 INFO kablam!   --> src/backend.rs:62:17
Oct 13 05:26:00.582 INFO kablam!    |
Oct 13 05:26:00.582 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 13 05:26:00.582 INFO kablam!    |                 ----^^^
Oct 13 05:26:00.582 INFO kablam!    |                 |
Oct 13 05:26:00.582 INFO kablam!    |                 help: remove this `mut`
Oct 13 05:26:00.582 INFO kablam!    |
Oct 13 05:26:00.582 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 05:26:00.582 INFO kablam! 
Oct 13 05:26:00.582 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:26:00.582 INFO kablam!   --> src/backend.rs:66:13
Oct 13 05:26:00.582 INFO kablam!    |
Oct 13 05:26:00.582 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 13 05:26:00.582 INFO kablam!    |             ----^^^^^^
Oct 13 05:26:00.582 INFO kablam!    |             |
Oct 13 05:26:00.583 INFO kablam!    |             help: remove this `mut`
Oct 13 05:26:00.583 INFO kablam! 
Oct 13 05:26:01.056 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:26:01.056 INFO kablam!   --> src/backend.rs:62:17
Oct 13 05:26:01.056 INFO kablam!    |
Oct 13 05:26:01.056 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 13 05:26:01.056 INFO kablam!    |                 ----^^^
Oct 13 05:26:01.056 INFO kablam!    |                 |
Oct 13 05:26:01.056 INFO kablam!    |                 help: remove this `mut`
Oct 13 05:26:01.056 INFO kablam!    |
Oct 13 05:26:01.056 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 05:26:01.056 INFO kablam! 
Oct 13 05:26:01.056 INFO kablam! warning: variable does not need to be mutable
Oct 13 05:26:01.056 INFO kablam!   --> src/backend.rs:66:13
Oct 13 05:26:01.056 INFO kablam!    |
Oct 13 05:26:01.056 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 13 05:26:01.056 INFO kablam!    |             ----^^^^^^
Oct 13 05:26:01.056 INFO kablam!    |             |
Oct 13 05:26:01.056 INFO kablam!    |             help: remove this `mut`
Oct 13 05:26:01.056 INFO kablam! 
Oct 13 05:26:02.061 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
Oct 13 05:26:02.068 INFO kablam! su: No module specific data is present
Oct 13 05:26:03.225 INFO running `"docker" "rm" "-f" "de4035a6973fe1c612196900c09c15b817c90bd2d55f4b2d3a752a4ec616b018"`
Oct 13 05:26:03.452 INFO blam! de4035a6973fe1c612196900c09c15b817c90bd2d55f4b2d3a752a4ec616b018