[INFO] updating cached repository https://github.com/fabianvdW/ChessInRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/fabianvdW/ChessInRust
[INFO] [stderr]  * [new branch]      GeneralStuff -> GeneralStuff
[INFO] [stderr]    c20e76e..4f23863  master       -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f23863233ba6fb1410c1cfa69a1e869dd65506f
[INFO] checking fabianvdW/ChessInRust against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfabianvdW%2FChessInRust" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabianvdW/ChessInRust on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fabianvdW/ChessInRust
[INFO] finished tweaking git repo https://github.com/fabianvdW/ChessInRust
[INFO] tweaked toml for git repo https://github.com/fabianvdW/ChessInRust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fabianvdW/ChessInRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81fd768d6efb6becfe6e0b5ed127e0030cc0067ba9d36688f039df6a48512679
[INFO] running `"docker" "start" "-a" "81fd768d6efb6becfe6e0b5ed127e0030cc0067ba9d36688f039df6a48512679"`
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking FabChess v1.13.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pgn/pgn_reader.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |     type Item = (String);
[INFO] [stderr]     |                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/search/alphabeta.rs:545:6
[INFO] [stderr]     |
[INFO] [stderr] 545 | ) -> (i16) {
[INFO] [stderr]     |      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/pgn/pgn_reader.rs:295:17
[INFO] [stderr]     |
[INFO] [stderr] 295 |     type Item = (String);
[INFO] [stderr]     |                 ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/search/alphabeta.rs:545:6
[INFO] [stderr]     |
[INFO] [stderr] 545 | ) -> (i16) {
[INFO] [stderr]     |      ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/logging.rs:15:60
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(why) => panic!("Couldn't create file, {}", why.description()),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/logging.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!("Something went wrong, {}", why.description())
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/misc.rs:53:42
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Err(why) => panic!("{}", why.description()),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/logging.rs:15:60
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(why) => panic!("Couldn't create file, {}", why.description()),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/logging.rs:26:52
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!("Something went wrong, {}", why.description())
[INFO] [stderr]    |                                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/misc.rs:53:42
[INFO] [stderr]    |
[INFO] [stderr] 53 |             Err(why) => panic!("{}", why.description()),
[INFO] [stderr]    |                                          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pgn/pgn_reader.rs:325:22
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 if e.description()
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/pgn/pgn_reader.rs:325:22
[INFO] [stderr]     |
[INFO] [stderr] 325 |                 if e.description()
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:389:46
[INFO] [stderr]     |
[INFO] [stderr] 389 |                 Err(why) => panic!("{}", why.description()),
[INFO] [stderr]     |                                              ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OPTIMIZE_K`
[INFO] [stderr]   --> src/tuning/tuning.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | const OPTIMIZE_K: bool = false;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OPTIMIZE_K`
[INFO] [stderr]   --> src/tuning/tuning.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | const OPTIMIZE_K: bool = false;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.74s
[INFO] running `"docker" "inspect" "81fd768d6efb6becfe6e0b5ed127e0030cc0067ba9d36688f039df6a48512679"`
[INFO] running `"docker" "rm" "-f" "81fd768d6efb6becfe6e0b5ed127e0030cc0067ba9d36688f039df6a48512679"`
[INFO] [stdout] 81fd768d6efb6becfe6e0b5ed127e0030cc0067ba9d36688f039df6a48512679