Dec 18 10:51:48.405 INFO checking srv-shim-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:51:48.405 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/srv-shim/0.1.2:/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 10:51:48.782 INFO [stdout] 16e95e71a715c83fc1d1a5997dd0c43416205536fd875bfb43ac79527bf3ea0b
Dec 18 10:51:48.784 INFO running `"docker" "start" "-a" "16e95e71a715c83fc1d1a5997dd0c43416205536fd875bfb43ac79527bf3ea0b"`
Dec 18 10:51:49.930 INFO [stderr]     Checking plumber v0.0.6
Dec 18 10:51:50.322 INFO [stderr]     Checking srv-shim v0.1.2 (/opt/crater/workdir)
Dec 18 10:51:50.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:51:50.636 INFO [stderr]   --> src/srvhook.rs:57:13
Dec 18 10:51:50.636 INFO [stderr]    |
Dec 18 10:51:50.636 INFO [stderr] 57 | /             srv_mapper(h).map( |(new_port, new_ip)| {
Dec 18 10:51:50.636 INFO [stderr] 58 | |                 unsafe {
Dec 18 10:51:50.636 INFO [stderr] 59 | |                     // only override host and IP for AF_INET
Dec 18 10:51:50.636 INFO [stderr] 60 | |                     if (*address).sa_family == 2 {
Dec 18 10:51:50.636 INFO [stderr] ...  |
Dec 18 10:51:50.636 INFO [stderr] 67 | |                 Err(e)
Dec 18 10:51:50.636 INFO [stderr] 68 | |             });
Dec 18 10:51:50.636 INFO [stderr]    | |_______________^
Dec 18 10:51:50.636 INFO [stderr]    |
Dec 18 10:51:50.636 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 10:51:50.636 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:51:50.636 INFO [stderr] 
Dec 18 10:51:50.696 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 10:51:50.696 INFO [stderr]   --> src/srvhook.rs:57:13
Dec 18 10:51:50.696 INFO [stderr]    |
Dec 18 10:51:50.696 INFO [stderr] 57 | /             srv_mapper(h).map( |(new_port, new_ip)| {
Dec 18 10:51:50.696 INFO [stderr] 58 | |                 unsafe {
Dec 18 10:51:50.696 INFO [stderr] 59 | |                     // only override host and IP for AF_INET
Dec 18 10:51:50.696 INFO [stderr] 60 | |                     if (*address).sa_family == 2 {
Dec 18 10:51:50.696 INFO [stderr] ...  |
Dec 18 10:51:50.696 INFO [stderr] 67 | |                 Err(e)
Dec 18 10:51:50.696 INFO [stderr] 68 | |             });
Dec 18 10:51:50.696 INFO [stderr]    | |_______________^
Dec 18 10:51:50.696 INFO [stderr]    |
Dec 18 10:51:50.696 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 10:51:50.696 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 10:51:50.696 INFO [stderr] 
Dec 18 10:51:50.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 18 10:51:50.979 INFO running `"docker" "inspect" "16e95e71a715c83fc1d1a5997dd0c43416205536fd875bfb43ac79527bf3ea0b"`
Dec 18 10:51:51.081 INFO running `"docker" "rm" "-f" "16e95e71a715c83fc1d1a5997dd0c43416205536fd875bfb43ac79527bf3ea0b"`
Dec 18 10:51:51.219 INFO [stdout] 16e95e71a715c83fc1d1a5997dd0c43416205536fd875bfb43ac79527bf3ea0b