Oct 27 12:34:52.084 INFO checking BookOwl/trusty against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 12:34:52.084 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 12:34:52.498 INFO blam! 32b5ba845e5f69e7f49add6177980397bedafa6cd3cb4dfb15dd8ca7168c59a6
Oct 27 12:34:52.502 INFO running `"docker" "start" "-a" "32b5ba845e5f69e7f49add6177980397bedafa6cd3cb4dfb15dd8ca7168c59a6"`
Oct 27 12:34:53.419 INFO kablam! usermod: no changes
Oct 27 12:34:53.487 INFO kablam!     Checking left-pad v1.0.1
Oct 27 12:34:53.495 INFO kablam!     Checking termion v1.1.4
Oct 27 12:34:55.047 INFO kablam!     Checking trusty v0.1.0 (/source)
Oct 27 12:34:56.439 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.440 INFO kablam!   --> src/backend.rs:62:17
Oct 27 12:34:56.440 INFO kablam!    |
Oct 27 12:34:56.441 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 27 12:34:56.441 INFO kablam!    |                 ----^^^
Oct 27 12:34:56.442 INFO kablam!    |                 |
Oct 27 12:34:56.442 INFO kablam!    |                 help: remove this `mut`
Oct 27 12:34:56.443 INFO kablam!    |
Oct 27 12:34:56.443 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 12:34:56.444 INFO kablam! 
Oct 27 12:34:56.444 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.445 INFO kablam!   --> src/backend.rs:66:13
Oct 27 12:34:56.445 INFO kablam!    |
Oct 27 12:34:56.446 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 27 12:34:56.446 INFO kablam!    |             ----^^^^^^
Oct 27 12:34:56.447 INFO kablam!    |             |
Oct 27 12:34:56.447 INFO kablam!    |             help: remove this `mut`
Oct 27 12:34:56.447 INFO kablam! 
Oct 27 12:34:56.547 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.547 INFO kablam!   --> src/backend.rs:62:17
Oct 27 12:34:56.547 INFO kablam!    |
Oct 27 12:34:56.547 INFO kablam! 62 |             let mut buf = self.current_buffer_mut();
Oct 27 12:34:56.547 INFO kablam!    |                 ----^^^
Oct 27 12:34:56.547 INFO kablam!    |                 |
Oct 27 12:34:56.547 INFO kablam!    |                 help: remove this `mut`
Oct 27 12:34:56.548 INFO kablam!    |
Oct 27 12:34:56.548 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 12:34:56.548 INFO kablam! 
Oct 27 12:34:56.548 INFO kablam! warning: variable does not need to be mutable
Oct 27 12:34:56.548 INFO kablam!   --> src/backend.rs:66:13
Oct 27 12:34:56.548 INFO kablam!    |
Oct 27 12:34:56.548 INFO kablam! 66 |         let mut cursor = self.cursor_mut();
Oct 27 12:34:56.548 INFO kablam!    |             ----^^^^^^
Oct 27 12:34:56.548 INFO kablam!    |             |
Oct 27 12:34:56.549 INFO kablam!    |             help: remove this `mut`
Oct 27 12:34:56.549 INFO kablam! 
Oct 27 12:34:57.947 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
Oct 27 12:34:57.952 INFO kablam! su: No module specific data is present
Oct 27 12:34:59.263 INFO running `"docker" "rm" "-f" "32b5ba845e5f69e7f49add6177980397bedafa6cd3cb4dfb15dd8ca7168c59a6"`
Oct 27 12:34:59.607 INFO blam! 32b5ba845e5f69e7f49add6177980397bedafa6cd3cb4dfb15dd8ca7168c59a6