Nov 05 00:52:04.628 INFO checking derive_type_level_lib-0.0.21 against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 05 00:52:04.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-1/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 05 00:52:05.049 INFO blam! 8bb4bcd5ab5900c060fb1df20c73f6d1f6cf5e99565e7d403725f2c56c600894
Nov 05 00:52:05.049 INFO running `"docker" "start" "-a" "8bb4bcd5ab5900c060fb1df20c73f6d1f6cf5e99565e7d403725f2c56c600894"`
Nov 05 00:52:05.943 INFO kablam! usermod: no changes
Nov 05 00:52:06.051 INFO kablam!    Compiling core_extensions v0.1.4
Nov 05 00:52:06.059 INFO kablam!    Compiling derive_type_level_lib v0.0.21 (/source)
Nov 05 00:52:21.678 INFO kablam! warning: struct is never constructed: `FilteredAttrs`
Nov 05 00:52:21.678 INFO kablam!   --> src/attribute_errors/mod.rs:24:1
Nov 05 00:52:21.679 INFO kablam!    |
Nov 05 00:52:21.679 INFO kablam! 24 | pub struct FilteredAttrs<'a,F>{
Nov 05 00:52:21.679 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 00:52:21.679 INFO kablam!    |
Nov 05 00:52:21.679 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 05 00:52:21.679 INFO kablam! 
Nov 05 00:52:21.679 INFO kablam! warning: method is never used: `with_filter`
Nov 05 00:52:21.679 INFO kablam!   --> src/attribute_errors/mod.rs:37:5
Nov 05 00:52:21.679 INFO kablam!    |
Nov 05 00:52:21.679 INFO kablam! 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Nov 05 00:52:21.679 INFO kablam! 38 | |     where 
Nov 05 00:52:21.679 INFO kablam! 39 | |         F:Fn(&str)->bool
Nov 05 00:52:21.679 INFO kablam! 40 | |     {
Nov 05 00:52:21.679 INFO kablam! ...  |
Nov 05 00:52:21.679 INFO kablam! 44 | |         }
Nov 05 00:52:21.679 INFO kablam! 45 | |     }
Nov 05 00:52:21.679 INFO kablam!    | |_____^
Nov 05 00:52:21.679 INFO kablam! 
Nov 05 00:52:21.707 INFO kablam! warning: struct is never constructed: `FilteredAttrs`
Nov 05 00:52:21.707 INFO kablam!   --> src/attribute_errors/mod.rs:24:1
Nov 05 00:52:21.707 INFO kablam!    |
Nov 05 00:52:21.707 INFO kablam! 24 | pub struct FilteredAttrs<'a,F>{
Nov 05 00:52:21.707 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 05 00:52:21.707 INFO kablam!    |
Nov 05 00:52:21.707 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 05 00:52:21.709 INFO kablam! 
Nov 05 00:52:21.709 INFO kablam! warning: method is never used: `with_filter`
Nov 05 00:52:21.709 INFO kablam!   --> src/attribute_errors/mod.rs:37:5
Nov 05 00:52:21.709 INFO kablam!    |
Nov 05 00:52:21.709 INFO kablam! 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Nov 05 00:52:21.709 INFO kablam! 38 | |     where 
Nov 05 00:52:21.709 INFO kablam! 39 | |         F:Fn(&str)->bool
Nov 05 00:52:21.709 INFO kablam! 40 | |     {
Nov 05 00:52:21.709 INFO kablam! ...  |
Nov 05 00:52:21.709 INFO kablam! 44 | |         }
Nov 05 00:52:21.709 INFO kablam! 45 | |     }
Nov 05 00:52:21.709 INFO kablam!    | |_____^
Nov 05 00:52:21.709 INFO kablam! 
Nov 05 00:52:21.998 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 16.01s
Nov 05 00:52:22.004 INFO kablam! su: No module specific data is present
Nov 05 00:52:23.260 INFO running `"docker" "rm" "-f" "8bb4bcd5ab5900c060fb1df20c73f6d1f6cf5e99565e7d403725f2c56c600894"`
Nov 05 00:52:23.577 INFO blam! 8bb4bcd5ab5900c060fb1df20c73f6d1f6cf5e99565e7d403725f2c56c600894