Dec 12 16:00:53.631 INFO checking debug_stub_derive-0.3.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 16:00:53.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 16:00:53.983 INFO [stdout] 3caf7189bc38cd4a296b5af706a5a0c8a4a6610eeb2463fe5d30a162c42baa3f
Dec 12 16:00:53.986 INFO running `"docker" "start" "-a" "3caf7189bc38cd4a296b5af706a5a0c8a4a6610eeb2463fe5d30a162c42baa3f"`
Dec 12 16:00:54.498 INFO [stderr] usermod: no changes
Dec 12 16:00:54.567 INFO [stderr]     Checking syn v0.11.11
Dec 12 16:00:54.567 INFO [stderr]    Compiling debug_stub_derive v0.3.0 (/source)
Dec 12 16:00:58.138 INFO [stderr] warning: unused variable: `f`
Dec 12 16:00:58.138 INFO [stderr]    --> tests/lib.rs:413:9
Dec 12 16:00:58.138 INFO [stderr]     |
Dec 12 16:00:58.138 INFO [stderr] 413 |     let f = {
Dec 12 16:00:58.138 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 12 16:00:58.138 INFO [stderr]     |
Dec 12 16:00:58.138 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 16:00:58.138 INFO [stderr] 
Dec 12 16:00:58.247 INFO [stderr] warning: field is never used: `string`
Dec 12 16:00:58.247 INFO [stderr]   --> tests/lib.rs:54:9
Dec 12 16:00:58.247 INFO [stderr]    |
Dec 12 16:00:58.247 INFO [stderr] 54 |         string: String
Dec 12 16:00:58.247 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 12 16:00:58.247 INFO [stderr]    |
Dec 12 16:00:58.247 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 16:00:58.247 INFO [stderr] 
Dec 12 16:00:58.247 INFO [stderr] warning: field is never used: `b`
Dec 12 16:00:58.247 INFO [stderr]   --> tests/lib.rs:62:9
Dec 12 16:00:58.247 INFO [stderr]    |
Dec 12 16:00:58.247 INFO [stderr] 62 |         b: StructWithoutDebug
Dec 12 16:00:58.247 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:00:58.247 INFO [stderr] 
Dec 12 16:00:58.247 INFO [stderr] warning: field is never used: `string`
Dec 12 16:00:58.247 INFO [stderr]    --> tests/lib.rs:558:9
Dec 12 16:00:58.247 INFO [stderr]     |
Dec 12 16:00:58.247 INFO [stderr] 558 |         string: String
Dec 12 16:00:58.247 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 12 16:00:58.247 INFO [stderr] 
Dec 12 16:00:58.247 INFO [stderr] warning: field is never used: `b`
Dec 12 16:00:58.247 INFO [stderr]    --> tests/lib.rs:572:13
Dec 12 16:00:58.247 INFO [stderr]     |
Dec 12 16:00:58.247 INFO [stderr] 572 |             b: StructWithoutDebug,
Dec 12 16:00:58.247 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Dec 12 16:00:58.247 INFO [stderr] 
Dec 12 16:00:58.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.75s
Dec 12 16:00:58.277 INFO [stderr] su: No module specific data is present
Dec 12 16:00:58.615 INFO running `"docker" "inspect" "3caf7189bc38cd4a296b5af706a5a0c8a4a6610eeb2463fe5d30a162c42baa3f"`
Dec 12 16:00:58.695 INFO running `"docker" "rm" "-f" "3caf7189bc38cd4a296b5af706a5a0c8a4a6610eeb2463fe5d30a162c42baa3f"`
Dec 12 16:00:58.795 INFO [stdout] 3caf7189bc38cd4a296b5af706a5a0c8a4a6610eeb2463fe5d30a162c42baa3f