[INFO] cloning repository https://github.com/WunschUnreif/ChineseChess-CLI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WunschUnreif/ChineseChess-CLI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWunschUnreif%2FChineseChess-CLI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWunschUnreif%2FChineseChess-CLI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e34a0913722c8b78412d1f6debf8454eb72159ab
[INFO] documenting WunschUnreif/ChineseChess-CLI against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWunschUnreif%2FChineseChess-CLI" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WunschUnreif/ChineseChess-CLI 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/WunschUnreif/ChineseChess-CLI
[INFO] finished tweaking git repo https://github.com/WunschUnreif/ChineseChess-CLI
[INFO] tweaked toml for git repo https://github.com/WunschUnreif/ChineseChess-CLI written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/WunschUnreif/ChineseChess-CLI 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 21d36d8b55cb7e89113d433897bb078bf5476cf83491fa6568c37278b01d70fe
[INFO] running `Command { std: "docker" "start" "-a" "21d36d8b55cb7e89113d433897bb078bf5476cf83491fa6568c37278b01d70fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21d36d8b55cb7e89113d433897bb078bf5476cf83491fa6568c37278b01d70fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d36d8b55cb7e89113d433897bb078bf5476cf83491fa6568c37278b01d70fe", kill_on_drop: false }`
[INFO] [stdout] 21d36d8b55cb7e89113d433897bb078bf5476cf83491fa6568c37278b01d70fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8de4c5f64551016022e186b0ae213a201b0579f5b7a970dcc286ee5f9858fd
[INFO] running `Command { std: "docker" "start" "-a" "2d8de4c5f64551016022e186b0ae213a201b0579f5b7a970dcc286ee5f9858fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking chess_model v0.1.0 (/opt/rustwide/workdir/chess_model)
[INFO] [stderr]  Documenting chess_model v0.1.0 (/opt/rustwide/workdir/chess_model)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> chess_model/src/board/board_position.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |       panic!(msg);
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[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: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 80 |       panic!("{}", msg);
[INFO] [stdout]    |              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chess_datagram v0.1.0 (/opt/rustwide/workdir/chess_datagram)
[INFO] [stderr]  Documenting chess_datagram v0.1.0 (/opt/rustwide/workdir/chess_datagram)
[INFO] [stderr]  Documenting chess_server v0.1.0 (/opt/rustwide/workdir/chess_server)
[INFO] [stderr]  Documenting chess_client v0.1.0 (/opt/rustwide/workdir/chess_client)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.57s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chess_client/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chess_datagram/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chess_model/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/chess_server/index.html
[INFO] running `Command { std: "docker" "inspect" "2d8de4c5f64551016022e186b0ae213a201b0579f5b7a970dcc286ee5f9858fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8de4c5f64551016022e186b0ae213a201b0579f5b7a970dcc286ee5f9858fd", kill_on_drop: false }`
[INFO] [stdout] 2d8de4c5f64551016022e186b0ae213a201b0579f5b7a970dcc286ee5f9858fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5314caaeb747234eed882ae9ca466d20e1114398b59f0d509fa27536310339
[INFO] running `Command { std: "docker" "start" "-a" "8a5314caaeb747234eed882ae9ca466d20e1114398b59f0d509fa27536310339", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "8a5314caaeb747234eed882ae9ca466d20e1114398b59f0d509fa27536310339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5314caaeb747234eed882ae9ca466d20e1114398b59f0d509fa27536310339", kill_on_drop: false }`
[INFO] [stdout] 8a5314caaeb747234eed882ae9ca466d20e1114398b59f0d509fa27536310339
