Dec 18 17:08:48.382 INFO checking debug_stub_derive-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 17:08:48.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/debug_stub_derive/0.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:08:48.602 INFO [stdout] 16e6458df2648895b822b701feb20f3e45c4f66508665782049fa9632e522efa
Dec 18 17:08:48.603 INFO running `"docker" "start" "-a" "16e6458df2648895b822b701feb20f3e45c4f66508665782049fa9632e522efa"`
Dec 18 17:08:49.270 INFO [stderr]    Compiling debug_stub_derive v0.3.0 (/opt/crater/workdir)
Dec 18 17:08:51.391 INFO [stderr] warning: unused variable: `f`
Dec 18 17:08:51.391 INFO [stderr]    --> tests/lib.rs:413:9
Dec 18 17:08:51.391 INFO [stderr]     |
Dec 18 17:08:51.391 INFO [stderr] 413 |     let f = {
Dec 18 17:08:51.391 INFO [stderr]     |         ^ help: consider using `_f` instead
Dec 18 17:08:51.391 INFO [stderr]     |
Dec 18 17:08:51.391 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 17:08:51.391 INFO [stderr] 
Dec 18 17:08:51.532 INFO [stderr] warning: field is never used: `string`
Dec 18 17:08:51.532 INFO [stderr]   --> tests/lib.rs:54:9
Dec 18 17:08:51.532 INFO [stderr]    |
Dec 18 17:08:51.532 INFO [stderr] 54 |         string: String
Dec 18 17:08:51.532 INFO [stderr]    |         ^^^^^^^^^^^^^^
Dec 18 17:08:51.532 INFO [stderr]    |
Dec 18 17:08:51.532 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 17:08:51.532 INFO [stderr] 
Dec 18 17:08:51.532 INFO [stderr] warning: field is never used: `b`
Dec 18 17:08:51.532 INFO [stderr]   --> tests/lib.rs:62:9
Dec 18 17:08:51.532 INFO [stderr]    |
Dec 18 17:08:51.532 INFO [stderr] 62 |         b: StructWithoutDebug
Dec 18 17:08:51.532 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:08:51.532 INFO [stderr] 
Dec 18 17:08:51.532 INFO [stderr] warning: field is never used: `string`
Dec 18 17:08:51.532 INFO [stderr]    --> tests/lib.rs:558:9
Dec 18 17:08:51.532 INFO [stderr]     |
Dec 18 17:08:51.532 INFO [stderr] 558 |         string: String
Dec 18 17:08:51.532 INFO [stderr]     |         ^^^^^^^^^^^^^^
Dec 18 17:08:51.532 INFO [stderr] 
Dec 18 17:08:51.532 INFO [stderr] warning: field is never used: `b`
Dec 18 17:08:51.532 INFO [stderr]    --> tests/lib.rs:572:13
Dec 18 17:08:51.532 INFO [stderr]     |
Dec 18 17:08:51.532 INFO [stderr] 572 |             b: StructWithoutDebug,
Dec 18 17:08:51.532 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Dec 18 17:08:51.532 INFO [stderr] 
Dec 18 17:08:51.567 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
Dec 18 17:08:51.789 INFO running `"docker" "inspect" "16e6458df2648895b822b701feb20f3e45c4f66508665782049fa9632e522efa"`
Dec 18 17:08:51.858 INFO running `"docker" "rm" "-f" "16e6458df2648895b822b701feb20f3e45c4f66508665782049fa9632e522efa"`
Dec 18 17:08:51.955 INFO [stdout] 16e6458df2648895b822b701feb20f3e45c4f66508665782049fa9632e522efa