Nov 07 08:49:51.715 INFO checking shortcut-4.1.2 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 08:49:51.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-7/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 08:49:52.160 INFO blam! 0e442da2ed541455053ad96f0216c905b9552ea7233c767277572ddf61f8a333
Nov 07 08:49:52.163 INFO running `"docker" "start" "-a" "0e442da2ed541455053ad96f0216c905b9552ea7233c767277572ddf61f8a333"`
Nov 07 08:49:53.319 INFO kablam! usermod: no changes
Nov 07 08:49:53.436 INFO kablam!     Checking shortcut v4.1.2 (/source)
Nov 07 08:49:54.622 INFO kablam! warning: variable does not need to be mutable
Nov 07 08:49:54.622 INFO kablam!   --> src/idx.rs:55:21
Nov 07 08:49:54.622 INFO kablam!    |
Nov 07 08:49:54.622 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Nov 07 08:49:54.622 INFO kablam!    |                     ----^
Nov 07 08:49:54.622 INFO kablam!    |                     |
Nov 07 08:49:54.622 INFO kablam!    |                     help: remove this `mut`
Nov 07 08:49:54.622 INFO kablam!    |
Nov 07 08:49:54.622 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 08:49:54.622 INFO kablam! 
Nov 07 08:49:54.640 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 07 08:49:54.640 INFO kablam!   --> src/lib.rs:29:25
Nov 07 08:49:54.640 INFO kablam!    |
Nov 07 08:49:54.640 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 07 08:49:54.640 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Nov 07 08:49:54.640 INFO kablam!    |
Nov 07 08:49:54.640 INFO kablam!    = note: #[warn(stable_features)] on by default
Nov 07 08:49:54.640 INFO kablam! 
Nov 07 08:49:54.641 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 07 08:49:54.641 INFO kablam!   --> src/lib.rs:29:12
Nov 07 08:49:54.641 INFO kablam!    |
Nov 07 08:49:54.641 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 07 08:49:54.641 INFO kablam!    |            ^^^^^^^^^^^
Nov 07 08:49:54.641 INFO kablam! 
Nov 07 08:49:55.094 INFO kablam! warning: variable does not need to be mutable
Nov 07 08:49:55.095 INFO kablam!   --> src/idx.rs:55:21
Nov 07 08:49:55.096 INFO kablam!    |
Nov 07 08:49:55.096 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Nov 07 08:49:55.097 INFO kablam!    |                     ----^
Nov 07 08:49:55.098 INFO kablam!    |                     |
Nov 07 08:49:55.098 INFO kablam!    |                     help: remove this `mut`
Nov 07 08:49:55.099 INFO kablam!    |
Nov 07 08:49:55.099 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 08:49:55.100 INFO kablam! 
Nov 07 08:49:55.146 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 07 08:49:55.147 INFO kablam!   --> src/lib.rs:29:25
Nov 07 08:49:55.148 INFO kablam!    |
Nov 07 08:49:55.149 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 07 08:49:55.149 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Nov 07 08:49:55.149 INFO kablam!    |
Nov 07 08:49:55.149 INFO kablam!    = note: #[warn(stable_features)] on by default
Nov 07 08:49:55.149 INFO kablam! 
Nov 07 08:49:55.149 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 07 08:49:55.149 INFO kablam!   --> src/lib.rs:29:12
Nov 07 08:49:55.149 INFO kablam!    |
Nov 07 08:49:55.149 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 07 08:49:55.149 INFO kablam!    |            ^^^^^^^^^^^
Nov 07 08:49:55.149 INFO kablam! 
Nov 07 08:49:56.200 INFO kablam! error[E0308]: mismatched types
Nov 07 08:49:56.200 INFO kablam!   --> benches/bench.rs:62:59
Nov 07 08:49:56.200 INFO kablam!    |
Nov 07 08:49:56.200 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Nov 07 08:49:56.200 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Nov 07 08:49:56.200 INFO kablam!    |
Nov 07 08:49:56.200 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Nov 07 08:49:56.200 INFO kablam!               found type `std::string::String`
Nov 07 08:49:56.200 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)
Nov 07 08:49:56.200 INFO kablam! 
Nov 07 08:49:56.200 INFO kablam! error: aborting due to previous error
Nov 07 08:49:56.200 INFO kablam! 
Nov 07 08:49:56.200 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Nov 07 08:49:56.206 INFO kablam! error: Could not compile `shortcut`.
Nov 07 08:49:56.206 INFO kablam! 
Nov 07 08:49:56.206 INFO kablam! To learn more, run the command again with --verbose.
Nov 07 08:49:56.208 INFO kablam! su: No module specific data is present
Nov 07 08:49:56.823 INFO running `"docker" "rm" "-f" "0e442da2ed541455053ad96f0216c905b9552ea7233c767277572ddf61f8a333"`
Nov 07 08:49:57.113 INFO blam! 0e442da2ed541455053ad96f0216c905b9552ea7233c767277572ddf61f8a333