[INFO] cloning repository https://github.com/mikasaurus2/miktactoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikasaurus2/miktactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7e205b54f5e47c18dc6021b64bc42446f479fbe
[INFO] testing mikasaurus2/miktactoe against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikasaurus2%2Fmiktactoe" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mikasaurus2/miktactoe on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mikasaurus2/miktactoe
[INFO] finished tweaking git repo https://github.com/mikasaurus2/miktactoe
[INFO] tweaked toml for git repo https://github.com/mikasaurus2/miktactoe written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/mikasaurus2/miktactoe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c41c5bc361f584a938a7f83fe5c103a944e2f4350a7488e09a17c8d092272e0e
[INFO] running `Command { std: "docker" "start" "-a" "c41c5bc361f584a938a7f83fe5c103a944e2f4350a7488e09a17c8d092272e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c41c5bc361f584a938a7f83fe5c103a944e2f4350a7488e09a17c8d092272e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c41c5bc361f584a938a7f83fe5c103a944e2f4350a7488e09a17c8d092272e0e", kill_on_drop: false }`
[INFO] [stdout] c41c5bc361f584a938a7f83fe5c103a944e2f4350a7488e09a17c8d092272e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f52be214e21ef85ddf37d96cbe682d56065ea1dd19feb3310afc05d452bce7
[INFO] running `Command { std: "docker" "start" "-a" "f0f52be214e21ef85ddf37d96cbe682d56065ea1dd19feb3310afc05d452bce7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tui v0.16.0
[INFO] [stderr]    Compiling miktactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "f0f52be214e21ef85ddf37d96cbe682d56065ea1dd19feb3310afc05d452bce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f52be214e21ef85ddf37d96cbe682d56065ea1dd19feb3310afc05d452bce7", kill_on_drop: false }`
[INFO] [stdout] f0f52be214e21ef85ddf37d96cbe682d56065ea1dd19feb3310afc05d452bce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f41347c0745bbe2a40d05c64b1317282e0cf06a09a01dd2e28710dededa68e
[INFO] running `Command { std: "docker" "start" "-a" "40f41347c0745bbe2a40d05c64b1317282e0cf06a09a01dd2e28710dededa68e", kill_on_drop: false }`
[INFO] [stderr]    Compiling miktactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0596]: cannot borrow `optimal_ai` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/player/ai_optimal.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let optimal_ai = OptimalAI::new("TestOptimal", marker);
[INFO] [stdout]     |             ---------- help: consider changing this to be mutable: `mut optimal_ai`
[INFO] [stdout] 178 |         assert_eq!(optimal_ai.get_valid_move(&board), CellCoord::new(0, 2));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `optimal_ai` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/player/ai_optimal.rs:189:20
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let optimal_ai = OptimalAI::new("TestOptimal", Marker::opposite(opponent));
[INFO] [stdout]     |             ---------- help: consider changing this to be mutable: `mut optimal_ai`
[INFO] [stdout] 189 |         assert_eq!(optimal_ai.get_valid_move(&board), CellCoord::new(0, 2));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miktactoe` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "40f41347c0745bbe2a40d05c64b1317282e0cf06a09a01dd2e28710dededa68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f41347c0745bbe2a40d05c64b1317282e0cf06a09a01dd2e28710dededa68e", kill_on_drop: false }`
[INFO] [stdout] 40f41347c0745bbe2a40d05c64b1317282e0cf06a09a01dd2e28710dededa68e