[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 master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkahirokunn%2Fminimax_tic_tac_toe" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kahirokunn/minimax_tic_tac_toe on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-40/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1616d50d1733e9b4743fe47a9eff2a271391f2a2bcacc045ed2dc27d12b6d21b
[INFO] running `Command { std: "docker" "start" "-a" "1616d50d1733e9b4743fe47a9eff2a271391f2a2bcacc045ed2dc27d12b6d21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1616d50d1733e9b4743fe47a9eff2a271391f2a2bcacc045ed2dc27d12b6d21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1616d50d1733e9b4743fe47a9eff2a271391f2a2bcacc045ed2dc27d12b6d21b", kill_on_drop: false }`
[INFO] [stdout] 1616d50d1733e9b4743fe47a9eff2a271391f2a2bcacc045ed2dc27d12b6d21b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f0571a094038266799938f762ee545698afd1b4a2ced36657eb7ac78415ac0b
[INFO] running `Command { std: "docker" "start" "-a" "1f0571a094038266799938f762ee545698afd1b4a2ced36657eb7ac78415ac0b", kill_on_drop: false }`
[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 proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde v1.0.93
[INFO] [stderr]    Compiling itoa v0.4.4
[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!(format!("expected number type 0 or1 or 2 , got {}", num)),
[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" "1f0571a094038266799938f762ee545698afd1b4a2ced36657eb7ac78415ac0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0571a094038266799938f762ee545698afd1b4a2ced36657eb7ac78415ac0b", kill_on_drop: false }`
[INFO] [stdout] 1f0571a094038266799938f762ee545698afd1b4a2ced36657eb7ac78415ac0b