[INFO] cloning repository https://github.com/kahirokunn/minimax_tic_tac_toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kahirokunn/minimax_tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahirokunn%2Fminimax_tic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahirokunn%2Fminimax_tic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c56f62d0b0700539f87d470f232e523024c1e4a9
[INFO] testing kahirokunn/minimax_tic_tac_toe against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahirokunn%2Fminimax_tic_tac_toe" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kahirokunn/minimax_tic_tac_toe on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kahirokunn/minimax_tic_tac_toe
[INFO] finished tweaking git repo https://github.com/kahirokunn/minimax_tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/kahirokunn/minimax_tic_tac_toe written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/kahirokunn/minimax_tic_tac_toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b427b1da190fdffbd6c383e0a10a33c090f05ed3605868ae244009dc65cc4d5a
[INFO] running `Command { std: "docker" "start" "-a" "b427b1da190fdffbd6c383e0a10a33c090f05ed3605868ae244009dc65cc4d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b427b1da190fdffbd6c383e0a10a33c090f05ed3605868ae244009dc65cc4d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b427b1da190fdffbd6c383e0a10a33c090f05ed3605868ae244009dc65cc4d5a", kill_on_drop: false }`
[INFO] [stdout] b427b1da190fdffbd6c383e0a10a33c090f05ed3605868ae244009dc65cc4d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3fd94bbe821aeac6ce140e92868f44a48548b252372fd445d903a370367df38
[INFO] running `Command { std: "docker" "start" "-a" "b3fd94bbe821aeac6ce140e92868f44a48548b252372fd445d903a370367df38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: The package `minimax_ttt` provides no linkable target. The compiler might raise an error while compiling `ttt`. Consider adding 'dylib' or 'rlib' to key `crate-type` in `minimax_ttt`'s Cargo.toml. This warning might turn into a hard error in the future.
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling serde_derive v1.0.93
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling minimax_ttt v0.1.0 (/opt/rustwide/workdir/minimax_ttt)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> minimax_ttt/src/lib.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     _ => panic!(format!("expected number type 0 or1 or 2 , got {}", num)),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 67 |     _ => panic!("expected number type 0 or1 or 2 , got {}", num),
[INFO] [stdout]    |                --                                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ttt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `minimax_ttt`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate minimax_ttt;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ttt` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b3fd94bbe821aeac6ce140e92868f44a48548b252372fd445d903a370367df38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fd94bbe821aeac6ce140e92868f44a48548b252372fd445d903a370367df38", kill_on_drop: false }`
[INFO] [stdout] b3fd94bbe821aeac6ce140e92868f44a48548b252372fd445d903a370367df38
