Dec 05 14:41:46.972 INFO checking derive_type_level_lib-0.0.21 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 14:41:46.972 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 14:41:47.351 INFO [stdout] dc4bbcdbcb32b9f078aacffa852c98232f420cb9c48fd6fad49154812f936b9b
Dec 05 14:41:47.355 INFO running `"docker" "start" "-a" "dc4bbcdbcb32b9f078aacffa852c98232f420cb9c48fd6fad49154812f936b9b"`
Dec 05 14:41:48.562 INFO [stderr] usermod: no changes
Dec 05 14:41:48.674 INFO [stderr]    Compiling core_extensions v0.1.4
Dec 05 14:41:48.675 INFO [stderr]    Compiling derive_type_level_lib v0.0.21 (/source)
Dec 05 14:41:48.677 INFO [stderr]     Checking syn v0.14.9
Dec 05 14:42:02.281 INFO [stderr] warning: struct is never constructed: `FilteredAttrs`
Dec 05 14:42:02.281 INFO [stderr]   --> src/attribute_errors/mod.rs:24:1
Dec 05 14:42:02.281 INFO [stderr]    |
Dec 05 14:42:02.281 INFO [stderr] 24 | pub struct FilteredAttrs<'a,F>{
Dec 05 14:42:02.281 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:42:02.282 INFO [stderr]    |
Dec 05 14:42:02.282 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:42:02.282 INFO [stderr] 
Dec 05 14:42:02.282 INFO [stderr] warning: method is never used: `with_filter`
Dec 05 14:42:02.282 INFO [stderr]   --> src/attribute_errors/mod.rs:37:5
Dec 05 14:42:02.282 INFO [stderr]    |
Dec 05 14:42:02.282 INFO [stderr] 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Dec 05 14:42:02.282 INFO [stderr] 38 | |     where 
Dec 05 14:42:02.282 INFO [stderr] 39 | |         F:Fn(&str)->bool
Dec 05 14:42:02.282 INFO [stderr] 40 | |     {
Dec 05 14:42:02.282 INFO [stderr] ...  |
Dec 05 14:42:02.282 INFO [stderr] 44 | |         }
Dec 05 14:42:02.282 INFO [stderr] 45 | |     }
Dec 05 14:42:02.282 INFO [stderr]    | |_____^
Dec 05 14:42:02.287 INFO [stderr] 
Dec 05 14:42:02.523 INFO [stderr] warning: struct is never constructed: `FilteredAttrs`
Dec 05 14:42:02.523 INFO [stderr]   --> src/attribute_errors/mod.rs:24:1
Dec 05 14:42:02.523 INFO [stderr]    |
Dec 05 14:42:02.523 INFO [stderr] 24 | pub struct FilteredAttrs<'a,F>{
Dec 05 14:42:02.523 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 14:42:02.523 INFO [stderr]    |
Dec 05 14:42:02.523 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 14:42:02.523 INFO [stderr] 
Dec 05 14:42:02.523 INFO [stderr] warning: method is never used: `with_filter`
Dec 05 14:42:02.523 INFO [stderr]   --> src/attribute_errors/mod.rs:37:5
Dec 05 14:42:02.523 INFO [stderr]    |
Dec 05 14:42:02.523 INFO [stderr] 37 | /     pub fn with_filter<F>(&'a self,filter:F)->FilteredAttrs<'a,F>
Dec 05 14:42:02.523 INFO [stderr] 38 | |     where 
Dec 05 14:42:02.523 INFO [stderr] 39 | |         F:Fn(&str)->bool
Dec 05 14:42:02.523 INFO [stderr] 40 | |     {
Dec 05 14:42:02.523 INFO [stderr] ...  |
Dec 05 14:42:02.523 INFO [stderr] 44 | |         }
Dec 05 14:42:02.523 INFO [stderr] 45 | |     }
Dec 05 14:42:02.523 INFO [stderr]    | |_____^
Dec 05 14:42:02.523 INFO [stderr] 
Dec 05 14:42:02.667 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.08s
Dec 05 14:42:02.670 INFO [stderr] su: No module specific data is present
Dec 05 14:42:03.739 INFO running `"docker" "inspect" "dc4bbcdbcb32b9f078aacffa852c98232f420cb9c48fd6fad49154812f936b9b"`
Dec 05 14:42:04.079 INFO running `"docker" "rm" "-f" "dc4bbcdbcb32b9f078aacffa852c98232f420cb9c48fd6fad49154812f936b9b"`
Dec 05 14:42:04.387 INFO [stdout] dc4bbcdbcb32b9f078aacffa852c98232f420cb9c48fd6fad49154812f936b9b