Nov 09 23:03:49.925 INFO checking tap-0.3.0 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 09 23:03:49.926 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-3/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-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 09 23:03:50.417 INFO blam! 8730f8b5b2f46849e9bdbc5a6f1237ee096e8c4b69494ca2d3b03b9020820441
Nov 09 23:03:50.427 INFO running `"docker" "start" "-a" "8730f8b5b2f46849e9bdbc5a6f1237ee096e8c4b69494ca2d3b03b9020820441"`
Nov 09 23:03:51.319 INFO kablam! usermod: no changes
Nov 09 23:03:51.326 INFO kablam!     Checking tap v0.3.0 (/source)
Nov 09 23:03:51.911 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:51.911 INFO kablam!   --> src/lib.rs:78:21
Nov 09 23:03:51.911 INFO kablam!    |
Nov 09 23:03:51.911 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 09 23:03:51.911 INFO kablam!    |                     ----^^^
Nov 09 23:03:51.911 INFO kablam!    |                     |
Nov 09 23:03:51.911 INFO kablam!    |                     help: remove this `mut`
Nov 09 23:03:51.911 INFO kablam!    |
Nov 09 23:03:51.911 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 23:03:51.911 INFO kablam! 
Nov 09 23:03:52.109 INFO kablam! warning: unused `#[macro_use]` import
Nov 09 23:03:52.109 INFO kablam!   --> src/lib.rs:14:18
Nov 09 23:03:52.109 INFO kablam!    |
Nov 09 23:03:52.109 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Nov 09 23:03:52.109 INFO kablam!    |                  ^^^^^^^^^
Nov 09 23:03:52.109 INFO kablam!    |
Nov 09 23:03:52.109 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 09 23:03:52.109 INFO kablam! 
Nov 09 23:03:52.279 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:52.279 INFO kablam!   --> src/lib.rs:78:21
Nov 09 23:03:52.279 INFO kablam!    |
Nov 09 23:03:52.279 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 09 23:03:52.279 INFO kablam!    |                     ----^^^
Nov 09 23:03:52.280 INFO kablam!    |                     |
Nov 09 23:03:52.280 INFO kablam!    |                     help: remove this `mut`
Nov 09 23:03:52.283 INFO kablam!    |
Nov 09 23:03:52.283 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 09 23:03:52.284 INFO kablam! 
Nov 09 23:03:52.323 INFO kablam! warning: variable does not need to be mutable
Nov 09 23:03:52.323 INFO kablam!    --> src/lib.rs:141:33
Nov 09 23:03:52.324 INFO kablam!     |
Nov 09 23:03:52.324 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Nov 09 23:03:52.324 INFO kablam!     |                                 ----^^^
Nov 09 23:03:52.324 INFO kablam!     |                                 |
Nov 09 23:03:52.324 INFO kablam!     |                                 help: remove this `mut`
Nov 09 23:03:52.325 INFO kablam! 
Nov 09 23:03:52.753 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Nov 09 23:03:52.753 INFO kablam! su: No module specific data is present
Nov 09 23:03:53.323 INFO running `"docker" "rm" "-f" "8730f8b5b2f46849e9bdbc5a6f1237ee096e8c4b69494ca2d3b03b9020820441"`
Nov 09 23:03:53.647 INFO blam! 8730f8b5b2f46849e9bdbc5a6f1237ee096e8c4b69494ca2d3b03b9020820441