Dec 19 15:47:51.007 INFO checking ilja4/test_keygen against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:47:51.007 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/ilja4/test_keygen:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:47:51.403 INFO [stdout] f8027285c982de014e776ffccef277d2f4e65eb9045eae22d60e6543be37d3cb
Dec 19 15:47:51.406 INFO running `"docker" "start" "-a" "f8027285c982de014e776ffccef277d2f4e65eb9045eae22d60e6543be37d3cb"`
Dec 19 15:47:53.280 INFO [stderr]    Compiling openssl v0.10.11
Dec 19 15:47:53.280 INFO [stderr]    Compiling openssl-src v110.0.7+1.1.0i
Dec 19 15:47:54.508 INFO [stderr]    Compiling openssl-sys v0.9.35
Dec 19 15:50:15.278 INFO [stderr]     Checking test_keygen v0.1.0 (/opt/crater/workdir)
Dec 19 15:50:15.532 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:15.532 INFO [stderr]   --> src/main.rs:75:5
Dec 19 15:50:15.532 INFO [stderr]    |
Dec 19 15:50:15.532 INFO [stderr] 75 |     file.read_to_end(&mut buffer);
Dec 19 15:50:15.532 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:15.532 INFO [stderr]    |
Dec 19 15:50:15.532 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:15.532 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:15.532 INFO [stderr] 
Dec 19 15:50:15.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:50:15.552 INFO [stderr]   --> src/main.rs:75:5
Dec 19 15:50:15.552 INFO [stderr]    |
Dec 19 15:50:15.553 INFO [stderr] 75 |     file.read_to_end(&mut buffer);
Dec 19 15:50:15.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:50:15.553 INFO [stderr]    |
Dec 19 15:50:15.553 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:50:15.553 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:50:15.553 INFO [stderr] 
Dec 19 15:50:15.572 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
Dec 19 15:50:15.926 INFO running `"docker" "inspect" "f8027285c982de014e776ffccef277d2f4e65eb9045eae22d60e6543be37d3cb"`
Dec 19 15:50:16.042 INFO running `"docker" "rm" "-f" "f8027285c982de014e776ffccef277d2f4e65eb9045eae22d60e6543be37d3cb"`
Dec 19 15:50:16.176 INFO [stdout] f8027285c982de014e776ffccef277d2f4e65eb9045eae22d60e6543be37d3cb