Dec 18 09:33:41.167 INFO checking vfilt-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:33:41.167 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/vfilt/0.1.0:/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 09:33:41.323 INFO [stdout] 87b23f402b077db5c253a46e01c97f190c4d4d4dbec26d278f40bfa4ce3372a4
Dec 18 09:33:41.324 INFO running `"docker" "start" "-a" "87b23f402b077db5c253a46e01c97f190c4d4d4dbec26d278f40bfa4ce3372a4"`
Dec 18 09:33:41.963 INFO [stderr]     Checking vfilt v0.1.0 (/opt/crater/workdir)
Dec 18 09:33:42.294 INFO [stderr] warning: unused variable: `conf_file`
Dec 18 09:33:42.294 INFO [stderr]   --> src/main.rs:21:9
Dec 18 09:33:42.294 INFO [stderr]    |
Dec 18 09:33:42.294 INFO [stderr] 21 |     let conf_file = matches.value_of("config").unwrap_or(default_conf_location);
Dec 18 09:33:42.294 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_conf_file` instead
Dec 18 09:33:42.294 INFO [stderr]    |
Dec 18 09:33:42.294 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:33:42.297 INFO [stderr] 
Dec 18 09:33:42.297 INFO [stderr] warning: missing documentation for crate
Dec 18 09:33:42.297 INFO [stderr]   --> src/main.rs:1:1
Dec 18 09:33:42.298 INFO [stderr]    |
Dec 18 09:33:42.298 INFO [stderr] 1  | / #![warn(missing_docs)]
Dec 18 09:33:42.298 INFO [stderr] 2  | |
Dec 18 09:33:42.298 INFO [stderr] 3  | | extern crate clap;
Dec 18 09:33:42.298 INFO [stderr] 4  | |
Dec 18 09:33:42.298 INFO [stderr] ...  |
Dec 18 09:33:42.298 INFO [stderr] 21 | |     let conf_file = matches.value_of("config").unwrap_or(default_conf_location);
Dec 18 09:33:42.298 INFO [stderr] 22 | | }
Dec 18 09:33:42.298 INFO [stderr]    | |_^
Dec 18 09:33:42.303 INFO [stderr]    |
Dec 18 09:33:42.303 INFO [stderr] note: lint level defined here
Dec 18 09:33:42.303 INFO [stderr]   --> src/main.rs:1:9
Dec 18 09:33:42.303 INFO [stderr]    |
Dec 18 09:33:42.303 INFO [stderr] 1  | #![warn(missing_docs)]
Dec 18 09:33:42.303 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 18 09:33:42.303 INFO [stderr] 
Dec 18 09:33:42.337 INFO [stderr] warning: unused variable: `conf_file`
Dec 18 09:33:42.338 INFO [stderr]   --> src/main.rs:21:9
Dec 18 09:33:42.338 INFO [stderr]    |
Dec 18 09:33:42.338 INFO [stderr] 21 |     let conf_file = matches.value_of("config").unwrap_or(default_conf_location);
Dec 18 09:33:42.338 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_conf_file` instead
Dec 18 09:33:42.338 INFO [stderr]    |
Dec 18 09:33:42.338 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:33:42.338 INFO [stderr] 
Dec 18 09:33:42.343 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 18 09:33:42.610 INFO running `"docker" "inspect" "87b23f402b077db5c253a46e01c97f190c4d4d4dbec26d278f40bfa4ce3372a4"`
Dec 18 09:33:42.691 INFO running `"docker" "rm" "-f" "87b23f402b077db5c253a46e01c97f190c4d4d4dbec26d278f40bfa4ce3372a4"`
Dec 18 09:33:42.801 INFO [stdout] 87b23f402b077db5c253a46e01c97f190c4d4d4dbec26d278f40bfa4ce3372a4