Nov 03 01:53:14.525 INFO checking shortcut-4.1.2 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 01:53:14.526 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-7/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 03 01:53:14.972 INFO blam! 9d777c02760524148700f5124f8e9bbc917c36ccf1a7c377ebc3bf2a5129f9d2
Nov 03 01:53:14.975 INFO running `"docker" "start" "-a" "9d777c02760524148700f5124f8e9bbc917c36ccf1a7c377ebc3bf2a5129f9d2"`
Nov 03 01:53:16.364 INFO kablam! usermod: no changes
Nov 03 01:53:16.512 INFO kablam!     Checking shortcut v4.1.2 (/source)
Nov 03 01:53:16.512 INFO kablam!     Checking docopt v0.6.86
Nov 03 01:53:18.012 INFO kablam! warning: variable does not need to be mutable
Nov 03 01:53:18.012 INFO kablam!   --> src/idx.rs:55:21
Nov 03 01:53:18.012 INFO kablam!    |
Nov 03 01:53:18.012 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Nov 03 01:53:18.012 INFO kablam!    |                     ----^
Nov 03 01:53:18.012 INFO kablam!    |                     |
Nov 03 01:53:18.012 INFO kablam!    |                     help: remove this `mut`
Nov 03 01:53:18.012 INFO kablam!    |
Nov 03 01:53:18.012 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 01:53:18.012 INFO kablam! 
Nov 03 01:53:18.028 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 03 01:53:18.028 INFO kablam!   --> src/lib.rs:29:25
Nov 03 01:53:18.028 INFO kablam!    |
Nov 03 01:53:18.028 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 03 01:53:18.028 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Nov 03 01:53:18.030 INFO kablam!    |
Nov 03 01:53:18.030 INFO kablam!    = note: #[warn(stable_features)] on by default
Nov 03 01:53:18.030 INFO kablam! 
Nov 03 01:53:18.032 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 03 01:53:18.032 INFO kablam!   --> src/lib.rs:29:12
Nov 03 01:53:18.032 INFO kablam!    |
Nov 03 01:53:18.032 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 03 01:53:18.032 INFO kablam!    |            ^^^^^^^^^^^
Nov 03 01:53:18.032 INFO kablam! 
Nov 03 01:53:20.812 INFO kablam! warning: variable does not need to be mutable
Nov 03 01:53:20.812 INFO kablam!   --> src/idx.rs:55:21
Nov 03 01:53:20.812 INFO kablam!    |
Nov 03 01:53:20.812 INFO kablam! 55 |         if let Some(mut l) = self.map.get_mut(key) {
Nov 03 01:53:20.812 INFO kablam!    |                     ----^
Nov 03 01:53:20.812 INFO kablam!    |                     |
Nov 03 01:53:20.812 INFO kablam!    |                     help: remove this `mut`
Nov 03 01:53:20.812 INFO kablam!    |
Nov 03 01:53:20.812 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 03 01:53:20.812 INFO kablam! 
Nov 03 01:53:20.844 INFO kablam! warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 03 01:53:20.844 INFO kablam!   --> src/lib.rs:29:25
Nov 03 01:53:20.844 INFO kablam!    |
Nov 03 01:53:20.844 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 03 01:53:20.844 INFO kablam!    |                         ^^^^^^^^^^^^^^^^^
Nov 03 01:53:20.844 INFO kablam!    |
Nov 03 01:53:20.844 INFO kablam!    = note: #[warn(stable_features)] on by default
Nov 03 01:53:20.844 INFO kablam! 
Nov 03 01:53:20.844 INFO kablam! warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Nov 03 01:53:20.844 INFO kablam!   --> src/lib.rs:29:12
Nov 03 01:53:20.844 INFO kablam!    |
Nov 03 01:53:20.844 INFO kablam! 29 | #![feature(btree_range, collections_bound)]
Nov 03 01:53:20.844 INFO kablam!    |            ^^^^^^^^^^^
Nov 03 01:53:20.844 INFO kablam! 
Nov 03 01:53:21.160 INFO kablam! error[E0308]: mismatched types
Nov 03 01:53:21.160 INFO kablam!   --> benches/bench.rs:62:59
Nov 03 01:53:21.160 INFO kablam!    |
Nov 03 01:53:21.160 INFO kablam! 62 |             cmp: cmp::Comparison::Equal(cmp::Value::Const(format!("{}", i))),
Nov 03 01:53:21.160 INFO kablam!    |                                                           ^^^^^^^^^^^^^^^^ expected enum `std::borrow::Cow`, found struct `std::string::String`
Nov 03 01:53:21.160 INFO kablam!    |
Nov 03 01:53:21.160 INFO kablam!    = note: expected type `std::borrow::Cow<'_, _>`
Nov 03 01:53:21.160 INFO kablam!               found type `std::string::String`
Nov 03 01:53:21.160 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 03 01:53:21.160 INFO kablam! 
Nov 03 01:53:21.164 INFO kablam! error: aborting due to previous error
Nov 03 01:53:21.164 INFO kablam! 
Nov 03 01:53:21.164 INFO kablam! For more information about this error, try `rustc --explain E0308`.
Nov 03 01:53:21.176 INFO kablam! error: Could not compile `shortcut`.
Nov 03 01:53:21.176 INFO kablam! 
Nov 03 01:53:21.176 INFO kablam! To learn more, run the command again with --verbose.
Nov 03 01:53:21.184 INFO kablam! su: No module specific data is present
Nov 03 01:53:21.951 INFO running `"docker" "rm" "-f" "9d777c02760524148700f5124f8e9bbc917c36ccf1a7c377ebc3bf2a5129f9d2"`
Nov 03 01:53:22.356 INFO blam! 9d777c02760524148700f5124f8e9bbc917c36ccf1a7c377ebc3bf2a5129f9d2