Aug 30 02:53:18.970 INFO checking shortcut-4.1.2 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 02:53:18.970 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 02:53:18.970 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 02:53:19.221 INFO blam! ca77dbfe621c15318bd5949959930ba08767d972e365a924931ff0cff63e12f5
Aug 30 02:53:19.226 INFO running `"docker" "start" "-a" "ca77dbfe621c15318bd5949959930ba08767d972e365a924931ff0cff63e12f5"`
Aug 30 02:53:20.149 INFO kablam!     Checking shortcut v4.1.2 (file:///source)
Aug 30 02:53:21.132 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:53:21.132 INFO kablam!   --> src/idx.rs:55:21
Aug 30 02:53:21.132 INFO kablam!    |
Aug 30 02:53:21.132 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Aug 30 02:53:21.132 INFO kablam!    |                     ----^
Aug 30 02:53:21.132 INFO kablam!    |                     |
Aug 30 02:53:21.132 INFO kablam!    |                     help: remove this `mut`
Aug 30 02:53:21.133 INFO kablam!    |
Aug 30 02:53:21.133 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 02:53:21.133 INFO kablam! 
Aug 30 02:53:21.164 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 30 02:53:21.164 INFO kablam!   --> src/lib.rs:29:25
Aug 30 02:53:21.164 INFO kablam!    |
Aug 30 02:53:21.164 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 30 02:53:21.164 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Aug 30 02:53:21.164 INFO kablam!    |
Aug 30 02:53:21.164 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 30 02:53:21.164 INFO kablam! 
Aug 30 02:53:21.164 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 30 02:53:21.164 INFO kablam!   --> src/lib.rs:29:12
Aug 30 02:53:21.165 INFO kablam!    |
Aug 30 02:53:21.165 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 30 02:53:21.165 INFO kablam!    |            ^^^^^^^^^^^
Aug 30 02:53:21.165 INFO kablam! 
Aug 30 02:53:21.364 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:53:21.365 INFO kablam!   --> src/idx.rs:55:21
Aug 30 02:53:21.365 INFO kablam!    |
Aug 30 02:53:21.365 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Aug 30 02:53:21.365 INFO kablam!    |                     ----^
Aug 30 02:53:21.365 INFO kablam!    |                     |
Aug 30 02:53:21.365 INFO kablam!    |                     help: remove this `mut`
Aug 30 02:53:21.365 INFO kablam!    |
Aug 30 02:53:21.365 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 30 02:53:21.365 INFO kablam! 
Aug 30 02:53:21.400 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 30 02:53:21.400 INFO kablam!   --> src/lib.rs:29:25
Aug 30 02:53:21.400 INFO kablam!    |
Aug 30 02:53:21.400 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 30 02:53:21.400 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Aug 30 02:53:21.400 INFO kablam!    |
Aug 30 02:53:21.400 INFO kablam!    = note: #[warn(stable_features)] on by default
Aug 30 02:53:21.400 INFO kablam! 
Aug 30 02:53:21.400 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Aug 30 02:53:21.400 INFO kablam!   --> src/lib.rs:29:12
Aug 30 02:53:21.400 INFO kablam!    |
Aug 30 02:53:21.400 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Aug 30 02:53:21.400 INFO kablam!    |            ^^^^^^^^^^^
Aug 30 02:53:21.401 INFO kablam! 
Aug 30 02:53:22.257 INFO kablam! error[E0308]: mismatched types
Aug 30 02:53:22.257 INFO kablam!   --> benches/bench.rs:62:59
Aug 30 02:53:22.257 INFO kablam!    |
Aug 30 02:53:22.257 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Aug 30 02:53:22.257 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Aug 30 02:53:22.257 INFO kablam!    |
Aug 30 02:53:22.257 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Aug 30 02:53:22.257 INFO kablam!               found type `std::string::String`
Aug 30 02:53:22.257 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Aug 30 02:53:22.257 INFO kablam! 
Aug 30 02:53:22.272 INFO kablam! error: aborting due to previous error
Aug 30 02:53:22.272 INFO kablam! 
Aug 30 02:53:22.272 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Aug 30 02:53:22.281 INFO kablam! error: Could not compile `shortcut`.
Aug 30 02:53:22.281 INFO kablam! 
Aug 30 02:53:22.281 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 02:53:22.283 INFO kablam! su: No module specific data is present
Aug 30 02:53:22.789 INFO running `"docker" "rm" "-f" "ca77dbfe621c15318bd5949959930ba08767d972e365a924931ff0cff63e12f5"`
Aug 30 02:53:22.891 INFO blam! ca77dbfe621c15318bd5949959930ba08767d972e365a924931ff0cff63e12f5