Oct 22 03:41:23.597 INFO checking derive_type_level_lib-0.0.21 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 22 03:41:23.597 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 22 03:41:24.023 INFO blam! f9fba23fd736cbdc9e74f61882bf86a50de11586e7378084d0d03eda4ebdb28f
Oct 22 03:41:24.033 INFO running `"docker" "start" "-a" "f9fba23fd736cbdc9e74f61882bf86a50de11586e7378084d0d03eda4ebdb28f"`
Oct 22 03:41:24.616 INFO kablam! usermod: no changes
Oct 22 03:41:24.696 INFO kablam!    Compiling core_extensions v0.1.4
Oct 22 03:41:24.700 INFO kablam!    Compiling derive_type_level_lib v0.0.21 (/source)
Oct 22 03:41:24.700 INFO kablam!     Checking syn v0.14.9
Oct 22 03:41:43.192 INFO kablam! warning: struct is never constructed: `FilteredAttrs`
Oct 22 03:41:43.192 INFO kablam!   --> src/attribute_errors/mod.rs:24:1
Oct 22 03:41:43.192 INFO kablam!    |
Oct 22 03:41:43.192 INFO kablam! 24 | pub struct FilteredAttrs<'a,F>{
Oct 22 03:41:43.192 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:41:43.192 INFO kablam!    |
Oct 22 03:41:43.192 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 22 03:41:43.192 INFO kablam! 
Oct 22 03:41:43.192 INFO kablam! warning: method is never used: `with_filter`
Oct 22 03:41:43.192 INFO kablam!   --> src/attribute_errors/mod.rs:37:5
Oct 22 03:41:43.192 INFO kablam!    |
Oct 22 03:41:43.192 INFO kablam! 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Oct 22 03:41:43.192 INFO kablam! 38 | |     where 
Oct 22 03:41:43.193 INFO kablam! 39 | |         F:Fn(&str)->bool
Oct 22 03:41:43.193 INFO kablam! 40 | |     {
Oct 22 03:41:43.193 INFO kablam! ...  |
Oct 22 03:41:43.193 INFO kablam! 44 | |         }
Oct 22 03:41:43.193 INFO kablam! 45 | |     }
Oct 22 03:41:43.193 INFO kablam!    | |_____^
Oct 22 03:41:43.193 INFO kablam! 
Oct 22 03:41:43.700 INFO kablam! warning: struct is never constructed: `FilteredAttrs`
Oct 22 03:41:43.700 INFO kablam!   --> src/attribute_errors/mod.rs:24:1
Oct 22 03:41:43.700 INFO kablam!    |
Oct 22 03:41:43.700 INFO kablam! 24 | pub struct FilteredAttrs<'a,F>{
Oct 22 03:41:43.700 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:41:43.700 INFO kablam!    |
Oct 22 03:41:43.700 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 22 03:41:43.700 INFO kablam! 
Oct 22 03:41:43.700 INFO kablam! warning: method is never used: `with_filter`
Oct 22 03:41:43.700 INFO kablam!   --> src/attribute_errors/mod.rs:37:5
Oct 22 03:41:43.700 INFO kablam!    |
Oct 22 03:41:43.700 INFO kablam! 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Oct 22 03:41:43.700 INFO kablam! 38 | |     where 
Oct 22 03:41:43.700 INFO kablam! 39 | |         F:Fn(&str)->bool
Oct 22 03:41:43.700 INFO kablam! 40 | |     {
Oct 22 03:41:43.700 INFO kablam! ...  |
Oct 22 03:41:43.700 INFO kablam! 44 | |         }
Oct 22 03:41:43.700 INFO kablam! 45 | |     }
Oct 22 03:41:43.700 INFO kablam!    | |_____^
Oct 22 03:41:43.700 INFO kablam! 
Oct 22 03:41:43.920 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 19.28s
Oct 22 03:41:43.928 INFO kablam! su: No module specific data is present
Oct 22 03:41:44.572 INFO running `"docker" "rm" "-f" "f9fba23fd736cbdc9e74f61882bf86a50de11586e7378084d0d03eda4ebdb28f"`
Oct 22 03:41:44.848 INFO blam! f9fba23fd736cbdc9e74f61882bf86a50de11586e7378084d0d03eda4ebdb28f