Dec 17 18:37:36.367 INFO checking notryanb/scrap_iron against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:37:36.367 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/notryanb/scrap_iron:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:37:36.788 INFO [stdout] bc50de8b51f879f0e66e43d7b5bb71c43b4cbc3887a440d581ed1b33a80217a3
Dec 17 18:37:36.794 INFO running `"docker" "start" "-a" "bc50de8b51f879f0e66e43d7b5bb71c43b4cbc3887a440d581ed1b33a80217a3"`
Dec 17 18:37:38.898 INFO [stderr]     Checking rust-server v0.1.0 (/opt/crater/workdir)
Dec 17 18:37:39.117 INFO [stderr] warning: unused import: `std::thread`
Dec 17 18:37:39.117 INFO [stderr]  --> src/main.rs:3:5
Dec 17 18:37:39.117 INFO [stderr]   |
Dec 17 18:37:39.117 INFO [stderr] 3 | use std::thread;
Dec 17 18:37:39.117 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 18:37:39.117 INFO [stderr]   |
Dec 17 18:37:39.117 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:39.117 INFO [stderr] 
Dec 17 18:37:39.117 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:37:39.117 INFO [stderr]  --> src/main.rs:5:5
Dec 17 18:37:39.117 INFO [stderr]   |
Dec 17 18:37:39.117 INFO [stderr] 5 | use std::env;
Dec 17 18:37:39.117 INFO [stderr]   |     ^^^^^^^^
Dec 17 18:37:39.117 INFO [stderr] 
Dec 17 18:37:39.138 INFO [stderr] warning: unused import: `std::thread`
Dec 17 18:37:39.139 INFO [stderr]  --> src/main.rs:3:5
Dec 17 18:37:39.139 INFO [stderr]   |
Dec 17 18:37:39.139 INFO [stderr] 3 | use std::thread;
Dec 17 18:37:39.139 INFO [stderr]   |     ^^^^^^^^^^^
Dec 17 18:37:39.139 INFO [stderr]   |
Dec 17 18:37:39.139 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:37:39.139 INFO [stderr] 
Dec 17 18:37:39.139 INFO [stderr] warning: unused import: `std::env`
Dec 17 18:37:39.139 INFO [stderr]  --> src/main.rs:5:5
Dec 17 18:37:39.139 INFO [stderr]   |
Dec 17 18:37:39.139 INFO [stderr] 5 | use std::env;
Dec 17 18:37:39.140 INFO [stderr]   |     ^^^^^^^^
Dec 17 18:37:39.140 INFO [stderr] 
Dec 17 18:37:39.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:39.200 INFO [stderr]   --> src/main.rs:34:5
Dec 17 18:37:39.200 INFO [stderr]    |
Dec 17 18:37:39.200 INFO [stderr] 34 |     f.read_to_string(&mut response);
Dec 17 18:37:39.200 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:37:39.201 INFO [stderr]    |
Dec 17 18:37:39.201 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:39.201 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:39.201 INFO [stderr] 
Dec 17 18:37:39.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 18:37:39.216 INFO [stderr]   --> src/main.rs:34:5
Dec 17 18:37:39.216 INFO [stderr]    |
Dec 17 18:37:39.216 INFO [stderr] 34 |     f.read_to_string(&mut response);
Dec 17 18:37:39.216 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:37:39.216 INFO [stderr]    |
Dec 17 18:37:39.216 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 18:37:39.216 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 18:37:39.216 INFO [stderr] 
Dec 17 18:37:39.252 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 17 18:37:40.048 INFO running `"docker" "inspect" "bc50de8b51f879f0e66e43d7b5bb71c43b4cbc3887a440d581ed1b33a80217a3"`
Dec 17 18:37:40.356 INFO running `"docker" "rm" "-f" "bc50de8b51f879f0e66e43d7b5bb71c43b4cbc3887a440d581ed1b33a80217a3"`
Dec 17 18:37:40.621 INFO [stdout] bc50de8b51f879f0e66e43d7b5bb71c43b4cbc3887a440d581ed1b33a80217a3