[INFO] cloning repository https://github.com/robbagott/rob-chess-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robbagott/rob-chess-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbagott%2Frob-chess-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbagott%2Frob-chess-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 485b1d73c9d3e283e166ba8fd41e477794d33e0c [INFO] checking robbagott/rob-chess-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbagott%2Frob-chess-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robbagott/rob-chess-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/robbagott/rob-chess-rust [INFO] finished tweaking git repo https://github.com/robbagott/rob-chess-rust [INFO] tweaked toml for git repo https://github.com/robbagott/rob-chess-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/robbagott/rob-chess-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 344eceda3cc0bbcecc8b240220ef493d438c4ea3862b7573df584c62f210dfc2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "344eceda3cc0bbcecc8b240220ef493d438c4ea3862b7573df584c62f210dfc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "344eceda3cc0bbcecc8b240220ef493d438c4ea3862b7573df584c62f210dfc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "344eceda3cc0bbcecc8b240220ef493d438c4ea3862b7573df584c62f210dfc2", kill_on_drop: false }` [INFO] [stdout] 344eceda3cc0bbcecc8b240220ef493d438c4ea3862b7573df584c62f210dfc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ca47dd56981b37034013fd085c79f92fd072fe2d2a7ee7d7f98e85549041df7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3ca47dd56981b37034013fd085c79f92fd072fe2d2a7ee7d7f98e85549041df7", kill_on_drop: false }` [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking rob_chess v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::tree::Tree` [INFO] [stdout] --> src/game/engine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::tree::Tree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::tree::Tree` [INFO] [stdout] --> src/game/engine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use super::tree::Tree; [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/game/engine.rs:46:65 [INFO] [stdout] | [INFO] [stdout] 46 | let eval = -calculate(&mut p, color.opp_color(), depth, -beta, -alpha, &mut child); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&mut f64`, found `f64` [INFO] [stdout] | help: consider mutably borrowing here: `&mut -beta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/game/engine.rs:46:72 [INFO] [stdout] | [INFO] [stdout] 46 | let eval = -calculate(&mut p, color.opp_color(), depth, -beta, -alpha, &mut child); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&mut f64`, found `f64` [INFO] [stdout] | help: consider mutably borrowing here: `&mut -alpha` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | -beta, [INFO] [stdout] | ^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | -alpha, [INFO] [stdout] | ^^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/game/engine.rs:100:31 [INFO] [stdout] | [INFO] [stdout] 100 | alpha = &mut f64::max(alpha, best_so_far); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `f64`, found `&mut f64` [INFO] [stdout] | help: consider dereferencing the borrow: `*alpha` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | if alpha > -beta { [INFO] [stdout] | ^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0600. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/game/engine.rs:46:65 [INFO] [stdout] | [INFO] [stdout] 46 | let eval = -calculate(&mut p, color.opp_color(), depth, -beta, -alpha, &mut child); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&mut f64`, found `f64` [INFO] [stdout] | help: consider mutably borrowing here: `&mut -beta` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/game/engine.rs:46:72 [INFO] [stdout] | [INFO] [stdout] 46 | let eval = -calculate(&mut p, color.opp_color(), depth, -beta, -alpha, &mut child); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `&mut f64`, found `f64` [INFO] [stdout] | help: consider mutably borrowing here: `&mut -alpha` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | -beta, [INFO] [stdout] | ^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | -alpha, [INFO] [stdout] | ^^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/game/engine.rs:100:31 [INFO] [stdout] | [INFO] [stdout] 100 | alpha = &mut f64::max(alpha, best_so_far); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `f64`, found `&mut f64` [INFO] [stdout] | help: consider dereferencing the borrow: `*alpha` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0600]: cannot apply unary operator `-` to type `&mut f64` [INFO] [stdout] --> src/game/engine.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | if alpha > -beta { [INFO] [stdout] | ^^^^^ cannot apply unary operator `-` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rob_chess` due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0600. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3ca47dd56981b37034013fd085c79f92fd072fe2d2a7ee7d7f98e85549041df7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ca47dd56981b37034013fd085c79f92fd072fe2d2a7ee7d7f98e85549041df7", kill_on_drop: false }` [INFO] [stdout] 3ca47dd56981b37034013fd085c79f92fd072fe2d2a7ee7d7f98e85549041df7