[INFO] cloning repository https://github.com/Ankizle/ChessNN
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ankizle/ChessNN" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnkizle%2FChessNN", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnkizle%2FChessNN'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 657326edbc79df0864c61729d4c8fdaee9725484
[INFO] testing Ankizle/ChessNN against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnkizle%2FChessNN" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ankizle/ChessNN on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ankizle/ChessNN
[INFO] finished tweaking git repo https://github.com/Ankizle/ChessNN
[INFO] tweaked toml for git repo https://github.com/Ankizle/ChessNN written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ankizle/ChessNN 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2453f939a0567ba87992a9912ff4540cca03f5a36d73e49c02c21af31d200d9c
[INFO] running `Command { std: "docker" "start" "-a" "2453f939a0567ba87992a9912ff4540cca03f5a36d73e49c02c21af31d200d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2453f939a0567ba87992a9912ff4540cca03f5a36d73e49c02c21af31d200d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2453f939a0567ba87992a9912ff4540cca03f5a36d73e49c02c21af31d200d9c", kill_on_drop: false }`
[INFO] [stdout] 2453f939a0567ba87992a9912ff4540cca03f5a36d73e49c02c21af31d200d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 267c77bde0f6a9b9b16dccced61d10a2a0476de5d1c3b44fd4f0f5013d772d3e
[INFO] running `Command { std: "docker" "start" "-a" "267c77bde0f6a9b9b16dccced61d10a2a0476de5d1c3b44fd4f0f5013d772d3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling gimli v0.27.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]    Compiling chess_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `generation` in this scope
[INFO] [stdout]   --> src/main.rs:16:59
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let _ = fs::create_dir(format!("models/generation{}", generation));
[INFO] [stdout]    |                                                           ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `generation` in this scope
[INFO] [stdout]   --> src/main.rs:19:70
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = p.save(&format!("models/generation{}/player{}.json", generation, k));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `generation_number` of struct `Pool` is private
[INFO] [stdout]   --> src/main.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     println!("Generation {}", pool.generation_number);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ private field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0616.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess_nn` (bin "chess_nn") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "267c77bde0f6a9b9b16dccced61d10a2a0476de5d1c3b44fd4f0f5013d772d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267c77bde0f6a9b9b16dccced61d10a2a0476de5d1c3b44fd4f0f5013d772d3e", kill_on_drop: false }`
[INFO] [stdout] 267c77bde0f6a9b9b16dccced61d10a2a0476de5d1c3b44fd4f0f5013d772d3e
