Sep 19 20:14:42.840 INFO checking shortcut-4.1.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 20:14:42.840 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 20:14:42.840 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:14:43.920 INFO blam! 6dd89d0d8ac97df279f8d55370f2eec14919fe15f1d9a8a02a92ab4a4ea058e5
Sep 19 20:14:43.921 INFO running `"docker" "start" "-a" "6dd89d0d8ac97df279f8d55370f2eec14919fe15f1d9a8a02a92ab4a4ea058e5"`
Sep 19 20:14:44.451 INFO kablam! usermod: no changes
Sep 19 20:14:44.509 INFO kablam!     Checking shortcut v4.1.2 (/source)
Sep 19 20:14:44.810 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:14:44.810 INFO kablam!   --> src/idx.rs:55:21
Sep 19 20:14:44.810 INFO kablam!    |
Sep 19 20:14:44.810 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Sep 19 20:14:44.810 INFO kablam!    |                     ----^
Sep 19 20:14:44.810 INFO kablam!    |                     |
Sep 19 20:14:44.810 INFO kablam!    |                     help: remove this `mut`
Sep 19 20:14:44.810 INFO kablam!    |
Sep 19 20:14:44.810 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 20:14:44.810 INFO kablam! 
Sep 19 20:14:44.823 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 19 20:14:44.823 INFO kablam!   --> src/lib.rs:29:25
Sep 19 20:14:44.823 INFO kablam!    |
Sep 19 20:14:44.823 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 19 20:14:44.823 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Sep 19 20:14:44.823 INFO kablam!    |
Sep 19 20:14:44.823 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 19 20:14:44.823 INFO kablam! 
Sep 19 20:14:44.823 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 19 20:14:44.823 INFO kablam!   --> src/lib.rs:29:12
Sep 19 20:14:44.823 INFO kablam!    |
Sep 19 20:14:44.823 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 19 20:14:44.823 INFO kablam!    |            ^^^^^^^^^^^
Sep 19 20:14:44.823 INFO kablam! 
Sep 19 20:14:45.032 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:14:45.032 INFO kablam!   --> src/idx.rs:55:21
Sep 19 20:14:45.032 INFO kablam!    |
Sep 19 20:14:45.032 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Sep 19 20:14:45.032 INFO kablam!    |                     ----^
Sep 19 20:14:45.032 INFO kablam!    |                     |
Sep 19 20:14:45.032 INFO kablam!    |                     help: remove this `mut`
Sep 19 20:14:45.032 INFO kablam!    |
Sep 19 20:14:45.032 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 19 20:14:45.032 INFO kablam! 
Sep 19 20:14:45.050 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 19 20:14:45.050 INFO kablam!   --> src/lib.rs:29:25
Sep 19 20:14:45.050 INFO kablam!    |
Sep 19 20:14:45.050 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 19 20:14:45.050 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Sep 19 20:14:45.051 INFO kablam!    |
Sep 19 20:14:45.051 INFO kablam!    = note: #[warn(stable_features)] on by default
Sep 19 20:14:45.051 INFO kablam! 
Sep 19 20:14:45.051 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Sep 19 20:14:45.051 INFO kablam!   --> src/lib.rs:29:12
Sep 19 20:14:45.051 INFO kablam!    |
Sep 19 20:14:45.051 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Sep 19 20:14:45.051 INFO kablam!    |            ^^^^^^^^^^^
Sep 19 20:14:45.051 INFO kablam! 
Sep 19 20:14:45.171 INFO kablam! error[E0308]: mismatched types
Sep 19 20:14:45.171 INFO kablam!   --> benches/bench.rs:62:59
Sep 19 20:14:45.171 INFO kablam!    |
Sep 19 20:14:45.171 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Sep 19 20:14:45.171 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Sep 19 20:14:45.171 INFO kablam!    |
Sep 19 20:14:45.171 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Sep 19 20:14:45.171 INFO kablam!               found type `std::string::String`
Sep 19 20:14:45.171 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 19 20:14:45.171 INFO kablam! 
Sep 19 20:14:45.183 INFO kablam! error: aborting due to previous error
Sep 19 20:14:45.183 INFO kablam! 
Sep 19 20:14:45.183 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Sep 19 20:14:45.192 INFO kablam! error: Could not compile `shortcut`.
Sep 19 20:14:45.192 INFO kablam! 
Sep 19 20:14:45.192 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 20:14:45.194 INFO kablam! su: No module specific data is present
Sep 19 20:14:46.075 INFO running `"docker" "rm" "-f" "6dd89d0d8ac97df279f8d55370f2eec14919fe15f1d9a8a02a92ab4a4ea058e5"`
Sep 19 20:14:46.190 INFO blam! 6dd89d0d8ac97df279f8d55370f2eec14919fe15f1d9a8a02a92ab4a4ea058e5