Oct 27 15:48:24.545 INFO checking shortcut-4.1.2 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 15:48:24.547 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 15:48:24.897 INFO blam! 2120f2e02fc74132ab5e05c23291282de788b45eef933adc16c1b38c306f0947
Oct 27 15:48:24.911 INFO running `"docker" "start" "-a" "2120f2e02fc74132ab5e05c23291282de788b45eef933adc16c1b38c306f0947"`
Oct 27 15:48:25.991 INFO kablam! usermod: no changes
Oct 27 15:48:26.089 INFO kablam!     Checking shortcut v4.1.2 (/source)
Oct 27 15:48:27.403 INFO kablam! warning: variable does not need to be mutable
Oct 27 15:48:27.403 INFO kablam!   --> src/idx.rs:55:21
Oct 27 15:48:27.403 INFO kablam!    |
Oct 27 15:48:27.403 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Oct 27 15:48:27.403 INFO kablam!    |                     ----^
Oct 27 15:48:27.403 INFO kablam!    |                     |
Oct 27 15:48:27.403 INFO kablam!    |                     help: remove this `mut`
Oct 27 15:48:27.403 INFO kablam!    |
Oct 27 15:48:27.403 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 15:48:27.403 INFO kablam! 
Oct 27 15:48:27.419 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Oct 27 15:48:27.419 INFO kablam!   --> src/lib.rs:29:25
Oct 27 15:48:27.419 INFO kablam!    |
Oct 27 15:48:27.419 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Oct 27 15:48:27.419 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Oct 27 15:48:27.419 INFO kablam!    |
Oct 27 15:48:27.419 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 27 15:48:27.419 INFO kablam! 
Oct 27 15:48:27.419 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Oct 27 15:48:27.419 INFO kablam!   --> src/lib.rs:29:12
Oct 27 15:48:27.419 INFO kablam!    |
Oct 27 15:48:27.419 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Oct 27 15:48:27.419 INFO kablam!    |            ^^^^^^^^^^^
Oct 27 15:48:27.419 INFO kablam! 
Oct 27 15:48:27.867 INFO kablam! warning: variable does not need to be mutable
Oct 27 15:48:27.867 INFO kablam!   --> src/idx.rs:55:21
Oct 27 15:48:27.868 INFO kablam!    |
Oct 27 15:48:27.868 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Oct 27 15:48:27.868 INFO kablam!    |                     ----^
Oct 27 15:48:27.869 INFO kablam!    |                     |
Oct 27 15:48:27.869 INFO kablam!    |                     help: remove this `mut`
Oct 27 15:48:27.869 INFO kablam!    |
Oct 27 15:48:27.869 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 15:48:27.870 INFO kablam! 
Oct 27 15:48:27.899 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Oct 27 15:48:27.899 INFO kablam!   --> src/lib.rs:29:25
Oct 27 15:48:27.900 INFO kablam!    |
Oct 27 15:48:27.900 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Oct 27 15:48:27.900 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Oct 27 15:48:27.902 INFO kablam!    |
Oct 27 15:48:27.902 INFO kablam!    = note: #[warn(stable_features)] on by default
Oct 27 15:48:27.903 INFO kablam! 
Oct 27 15:48:27.904 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Oct 27 15:48:27.904 INFO kablam!   --> src/lib.rs:29:12
Oct 27 15:48:27.904 INFO kablam!    |
Oct 27 15:48:27.904 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Oct 27 15:48:27.905 INFO kablam!    |            ^^^^^^^^^^^
Oct 27 15:48:27.905 INFO kablam! 
Oct 27 15:48:29.331 INFO kablam! error[E0308]: mismatched types
Oct 27 15:48:29.331 INFO kablam!   --> benches/bench.rs:62:59
Oct 27 15:48:29.331 INFO kablam!    |
Oct 27 15:48:29.331 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Oct 27 15:48:29.331 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Oct 27 15:48:29.331 INFO kablam!    |
Oct 27 15:48:29.331 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Oct 27 15:48:29.331 INFO kablam!               found type `std::string::String`
Oct 27 15:48:29.331 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)
Oct 27 15:48:29.331 INFO kablam! 
Oct 27 15:48:29.347 INFO kablam! error: aborting due to previous error
Oct 27 15:48:29.347 INFO kablam! 
Oct 27 15:48:29.347 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Oct 27 15:48:29.356 INFO kablam! error: Could not compile `shortcut`.
Oct 27 15:48:29.356 INFO kablam! 
Oct 27 15:48:29.356 INFO kablam! To learn more, run the command again with --verbose.
Oct 27 15:48:29.358 INFO kablam! su: No module specific data is present
Oct 27 15:48:30.232 INFO running `"docker" "rm" "-f" "2120f2e02fc74132ab5e05c23291282de788b45eef933adc16c1b38c306f0947"`
Oct 27 15:48:30.550 INFO blam! 2120f2e02fc74132ab5e05c23291282de788b45eef933adc16c1b38c306f0947