[INFO] cloning repository https://github.com/mingyli/tictactoe-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mingyli/tictactoe-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ftictactoe-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ftictactoe-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56084fa66dabebd96d08024e54d17ab278614162
[INFO] documenting mingyli/tictactoe-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmingyli%2Ftictactoe-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mingyli/tictactoe-rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mingyli/tictactoe-rs
[INFO] finished tweaking git repo https://github.com/mingyli/tictactoe-rs
[INFO] tweaked toml for git repo https://github.com/mingyli/tictactoe-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mingyli/tictactoe-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d433e2f3789d1f214669d8c75ff77aa895ba09933d3246f2983b882827a402e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d433e2f3789d1f214669d8c75ff77aa895ba09933d3246f2983b882827a402e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d433e2f3789d1f214669d8c75ff77aa895ba09933d3246f2983b882827a402e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d433e2f3789d1f214669d8c75ff77aa895ba09933d3246f2983b882827a402e1", kill_on_drop: false }`
[INFO] [stdout] d433e2f3789d1f214669d8c75ff77aa895ba09933d3246f2983b882827a402e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d0a57a811c19ef045daed20dcf0fbfc3d66be4528bce7dcc0dcdf406ff81a70
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d0a57a811c19ef045daed20dcf0fbfc3d66be4528bce7dcc0dcdf406ff81a70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0437]: type `Ok` is not a member of trait `Try`
[INFO] [stdout]   --> src/phase.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     type Ok = State;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Error` is not a member of trait `Try`
[INFO] [stdout]   --> src/phase.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     type Error = (State, Option<Player>);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `into_result` is not a member of trait `Try`
[INFO] [stdout]   --> src/phase.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     fn into_result(self) -> Result<Self::Ok, Self::Error> {
[INFO] [stdout] 16 | |         match self {
[INFO] [stdout] 17 | |             Phase::InProgress(state) => Ok(state),
[INFO] [stdout] 18 | |             Phase::Win(state, winner) => Err((state, Some(winner))),
[INFO] [stdout] 19 | |             Phase::Tie(state) => Err((state, None)),
[INFO] [stdout] 20 | |         }
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_error` is not a member of trait `Try`
[INFO] [stdout]   --> src/phase.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     fn from_error((state, player): Self::Error) -> Self {
[INFO] [stdout] 24 | |         match player {
[INFO] [stdout] 25 | |             None => Phase::Tie(state),
[INFO] [stdout] 26 | |             Some(winner) => Phase::Win(state, winner),
[INFO] [stdout] 27 | |         }
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `from_ok` is not a member of trait `Try`
[INFO] [stdout]   --> src/phase.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn from_ok(v: Self::Ok) -> Self {
[INFO] [stdout] 31 | |         Phase::InProgress(v)
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Try`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0437, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tictactoe`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name tictactoe src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6d0a57a811c19ef045daed20dcf0fbfc3d66be4528bce7dcc0dcdf406ff81a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0a57a811c19ef045daed20dcf0fbfc3d66be4528bce7dcc0dcdf406ff81a70", kill_on_drop: false }`
[INFO] [stdout] 6d0a57a811c19ef045daed20dcf0fbfc3d66be4528bce7dcc0dcdf406ff81a70
