[INFO] cloning repository https://github.com/rockysnow7/epq-chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rockysnow7/epq-chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockysnow7%2Fepq-chess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockysnow7%2Fepq-chess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bcc268ebeb6dc93492e21a815ff6c2271d41184
[INFO] checking rockysnow7/epq-chess-engine against try#e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frockysnow7%2Fepq-chess-engine" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rockysnow7/epq-chess-engine
[INFO] finished tweaking git repo https://github.com/rockysnow7/epq-chess-engine
[INFO] tweaked toml for git repo https://github.com/rockysnow7/epq-chess-engine written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rockysnow7/epq-chess-engine on toolchain e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rockysnow7/epq-chess-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.10
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded bincode v0.9.2
[INFO] [stderr]   Downloaded neuroflow v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adfb9df0212d7ee3af11c07fbb5572ffa5ca2405794618b88e5822afcffd178c
[INFO] running `Command { std: "docker" "start" "-a" "adfb9df0212d7ee3af11c07fbb5572ffa5ca2405794618b88e5822afcffd178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adfb9df0212d7ee3af11c07fbb5572ffa5ca2405794618b88e5822afcffd178c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfb9df0212d7ee3af11c07fbb5572ffa5ca2405794618b88e5822afcffd178c", kill_on_drop: false }`
[INFO] [stdout] adfb9df0212d7ee3af11c07fbb5572ffa5ca2405794618b88e5822afcffd178c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e784c10fc2dd34bf2bb7b1e51117e35d3f9c5837" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65158be2ff66b64f824991583bb65c4248f0520ca98a2b5c3b09b9729e782efe
[INFO] running `Command { std: "docker" "start" "-a" "65158be2ff66b64f824991583bb65c4248f0520ca98a2b5c3b09b9729e782efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking text_io v0.1.10
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking bincode v0.9.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking neuroflow v0.1.3
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chess::Color`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::Color`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::Color;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/engine.rs:215:119
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn evaluate_nonterminal_null_move_pruned(&mut self, board: &Board, depth: u8, alpha: &mut f64, beta: &mut f64) -> f64 {}
[INFO] [stdout]     |        ------------------------------------- implicitly returns `()` as its body has no tail or `return` expression   ^^^ expected `f64`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/engine.rs:215:119
[INFO] [stdout]     |
[INFO] [stdout] 215 |     fn evaluate_nonterminal_null_move_pruned(&mut self, board: &Board, depth: u8, alpha: &mut f64, beta: &mut f64) -> f64 {}
[INFO] [stdout]     |        ------------------------------------- implicitly returns `()` as its body has no tail or `return` expression   ^^^ expected `f64`, found `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `engine` (bin "engine") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `engine` (bin "engine" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "65158be2ff66b64f824991583bb65c4248f0520ca98a2b5c3b09b9729e782efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65158be2ff66b64f824991583bb65c4248f0520ca98a2b5c3b09b9729e782efe", kill_on_drop: false }`
[INFO] [stdout] 65158be2ff66b64f824991583bb65c4248f0520ca98a2b5c3b09b9729e782efe