Nov 03 00:56:20.155 INFO checking tap-0.3.0 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 00:56:20.157 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 00:56:20.737 INFO blam! af9e04e4659eab0a864a2a2ac5c3f14824d486a24f20b8d5d92c471c345caf84
Nov 03 00:56:20.739 INFO running `"docker" "start" "-a" "af9e04e4659eab0a864a2a2ac5c3f14824d486a24f20b8d5d92c471c345caf84"`
Nov 03 00:56:21.824 INFO kablam! usermod: no changes
Nov 03 00:56:21.908 INFO kablam!     Checking tap v0.3.0 (/source)
Nov 03 00:56:22.460 INFO kablam! warning: variable does not need to be mutable
Nov 03 00:56:22.460 INFO kablam!   --> src/lib.rs:78:21
Nov 03 00:56:22.460 INFO kablam!    |
Nov 03 00:56:22.460 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 03 00:56:22.460 INFO kablam!    |                     ----^^^
Nov 03 00:56:22.460 INFO kablam!    |                     |
Nov 03 00:56:22.460 INFO kablam!    |                     help: remove this `mut`
Nov 03 00:56:22.460 INFO kablam!    |
Nov 03 00:56:22.460 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 00:56:22.460 INFO kablam! 
Nov 03 00:56:22.699 INFO kablam! warning: unused `#[macro_use]` import
Nov 03 00:56:22.699 INFO kablam!   --> src/lib.rs:14:18
Nov 03 00:56:22.699 INFO kablam!    |
Nov 03 00:56:22.699 INFO kablam! 14 | #[cfg_attr(test, macro_use)]
Nov 03 00:56:22.699 INFO kablam!    |                  ^^^^^^^^^
Nov 03 00:56:22.699 INFO kablam!    |
Nov 03 00:56:22.699 INFO kablam!    = note: #[warn(unused_imports)] on by default
Nov 03 00:56:22.699 INFO kablam! 
Nov 03 00:56:22.830 INFO kablam! warning: variable does not need to be mutable
Nov 03 00:56:22.830 INFO kablam!   --> src/lib.rs:78:21
Nov 03 00:56:22.830 INFO kablam!    |
Nov 03 00:56:22.830 INFO kablam! 78 |         if let Some(mut val) = self.as_mut() {
Nov 03 00:56:22.830 INFO kablam!    |                     ----^^^
Nov 03 00:56:22.830 INFO kablam!    |                     |
Nov 03 00:56:22.830 INFO kablam!    |                     help: remove this `mut`
Nov 03 00:56:22.830 INFO kablam!    |
Nov 03 00:56:22.830 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 00:56:22.830 INFO kablam! 
Nov 03 00:56:22.844 INFO kablam! warning: variable does not need to be mutable
Nov 03 00:56:22.844 INFO kablam!    --> src/lib.rs:141:33
Nov 03 00:56:22.844 INFO kablam!     |
Nov 03 00:56:22.844 INFO kablam! 141 |         let mutated = base.tap(|mut arr| for elt in arr.iter_mut() {
Nov 03 00:56:22.844 INFO kablam!     |                                 ----^^^
Nov 03 00:56:22.844 INFO kablam!     |                                 |
Nov 03 00:56:22.844 INFO kablam!     |                                 help: remove this `mut`
Nov 03 00:56:22.844 INFO kablam! 
Nov 03 00:56:23.276 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
Nov 03 00:56:23.277 INFO kablam! su: No module specific data is present
Nov 03 00:56:23.954 INFO running `"docker" "rm" "-f" "af9e04e4659eab0a864a2a2ac5c3f14824d486a24f20b8d5d92c471c345caf84"`
Nov 03 00:56:24.188 INFO blam! af9e04e4659eab0a864a2a2ac5c3f14824d486a24f20b8d5d92c471c345caf84