Sep 04 06:30:11.439 INFO checking shortcut-4.1.2 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 06:30:11.439 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 06:30:11.439 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 06:30:11.612 INFO blam! de7f4e87393ee2491725cf5ca6222866af71f2406fe5bc3b94a72b250aece861
Sep 04 06:30:11.616 INFO running `"docker" "start" "-a" "de7f4e87393ee2491725cf5ca6222866af71f2406fe5bc3b94a72b250aece861"`
Sep 04 06:30:12.312 INFO kablam!     Checking shortcut v4.1.2 (file:///source)
Sep 04 06:30:13.092 INFO kablam! warning: variable does not need to be mutable
Sep 04 06:30:13.092 INFO kablam!   --> src/idx.rs:55:21
Sep 04 06:30:13.092 INFO kablam!    |
Sep 04 06:30:13.092 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Sep 04 06:30:13.092 INFO kablam!    |                     ----^
Sep 04 06:30:13.092 INFO kablam!    |                     |
Sep 04 06:30:13.092 INFO kablam!    |                     help: remove this `mut`
Sep 04 06:30:13.093 INFO kablam!    |
Sep 04 06:30:13.093 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 06:30:13.093 INFO kablam! 
Sep 04 06:30:13.115 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 04 06:30:13.117 INFO kablam!   --> src/lib.rs:29:25
Sep 04 06:30:13.117 INFO kablam!    |
Sep 04 06:30:13.117 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 04 06:30:13.117 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Sep 04 06:30:13.117 INFO kablam!    |
Sep 04 06:30:13.117 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 04 06:30:13.117 INFO kablam! 
Sep 04 06:30:13.118 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 04 06:30:13.118 INFO kablam!   --> src/lib.rs:29:12
Sep 04 06:30:13.118 INFO kablam!    |
Sep 04 06:30:13.118 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 04 06:30:13.118 INFO kablam!    |            ^^^^^^^^^^^
Sep 04 06:30:13.118 INFO kablam! 
Sep 04 06:30:13.491 INFO kablam! warning: variable does not need to be mutable
Sep 04 06:30:13.491 INFO kablam!   --> src/idx.rs:55:21
Sep 04 06:30:13.491 INFO kablam!    |
Sep 04 06:30:13.491 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Sep 04 06:30:13.491 INFO kablam!    |                     ----^
Sep 04 06:30:13.491 INFO kablam!    |                     |
Sep 04 06:30:13.491 INFO kablam!    |                     help: remove this `mut`
Sep 04 06:30:13.491 INFO kablam!    |
Sep 04 06:30:13.491 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 04 06:30:13.491 INFO kablam! 
Sep 04 06:30:13.531 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 04 06:30:13.532 INFO kablam!   --> src/lib.rs:29:25
Sep 04 06:30:13.532 INFO kablam!    |
Sep 04 06:30:13.532 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 04 06:30:13.532 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Sep 04 06:30:13.532 INFO kablam!    |
Sep 04 06:30:13.532 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 04 06:30:13.532 INFO kablam! 
Sep 04 06:30:13.532 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 04 06:30:13.532 INFO kablam!   --> src/lib.rs:29:12
Sep 04 06:30:13.533 INFO kablam!    |
Sep 04 06:30:13.533 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 04 06:30:13.533 INFO kablam!    |            ^^^^^^^^^^^
Sep 04 06:30:13.533 INFO kablam! 
Sep 04 06:30:13.898 INFO kablam! error[E0308]: mismatched types
Sep 04 06:30:13.898 INFO kablam!   --> benches/bench.rs:62:59
Sep 04 06:30:13.898 INFO kablam!    |
Sep 04 06:30:13.898 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Sep 04 06:30:13.898 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Sep 04 06:30:13.898 INFO kablam!    |
Sep 04 06:30:13.898 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Sep 04 06:30:13.898 INFO kablam!               found type `std::string::String`
Sep 04 06:30:13.898 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)
Sep 04 06:30:13.899 INFO kablam! 
Sep 04 06:30:13.915 INFO kablam! error: aborting due to previous error
Sep 04 06:30:13.915 INFO kablam! 
Sep 04 06:30:13.915 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 04 06:30:13.923 INFO kablam! error: Could not compile `shortcut`.
Sep 04 06:30:13.925 INFO kablam! 
Sep 04 06:30:13.925 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 06:30:13.925 INFO kablam! su: No module specific data is present
Sep 04 06:30:14.354 INFO running `"docker" "rm" "-f" "de7f4e87393ee2491725cf5ca6222866af71f2406fe5bc3b94a72b250aece861"`
Sep 04 06:30:14.438 INFO blam! de7f4e87393ee2491725cf5ca6222866af71f2406fe5bc3b94a72b250aece861