[INFO] cloning repository https://github.com/edgarogh/automata-to-graphviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edgarogh/automata-to-graphviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgarogh%2Fautomata-to-graphviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgarogh%2Fautomata-to-graphviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6d19bd04115fb83b8abb6b2ac02fdb00a13df4c
[INFO] documenting edgarogh/automata-to-graphviz against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedgarogh%2Fautomata-to-graphviz" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edgarogh/automata-to-graphviz on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edgarogh/automata-to-graphviz
[INFO] finished tweaking git repo https://github.com/edgarogh/automata-to-graphviz
[INFO] tweaked toml for git repo https://github.com/edgarogh/automata-to-graphviz written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/edgarogh/automata-to-graphviz 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ed76ebcdc49b1b9ff56c711b26865b4d03f26032d6b0e1466d9c172f604183
[INFO] running `Command { std: "docker" "start" "-a" "c6ed76ebcdc49b1b9ff56c711b26865b4d03f26032d6b0e1466d9c172f604183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ed76ebcdc49b1b9ff56c711b26865b4d03f26032d6b0e1466d9c172f604183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ed76ebcdc49b1b9ff56c711b26865b4d03f26032d6b0e1466d9c172f604183", kill_on_drop: false }`
[INFO] [stdout] c6ed76ebcdc49b1b9ff56c711b26865b4d03f26032d6b0e1466d9c172f604183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71aefdce70b9e6f573ae92965a43cdbd404656947b3c961c6a2c0edd1928730b
[INFO] running `Command { std: "docker" "start" "-a" "71aefdce70b9e6f573ae92965a43cdbd404656947b3c961c6a2c0edd1928730b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.68
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.68
[INFO] [stderr]     Checking eoautomata-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting eoautomata-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/eoa.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 | /             automata.push_or_merge_connection(Connection {
[INFO] [stdout] 88 | |               id: 0,
[INFO] [stdout] 89 | |               from: prev_node.take().unwrap(),
[INFO] [stdout] 90 | |               to: id,
[INFO] [stdout] 91 | |               symbols: prev_arrow_symbols.take().unwrap(),
[INFO] [stdout] 92 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |             let _ = automata.push_or_merge_connection(Connection {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> core/src/eoa.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 | /             automata.push_or_merge_connection(Connection {
[INFO] [stdout] 104 | |               id: 0,
[INFO] [stdout] 105 | |               from: id,
[INFO] [stdout] 106 | |               to: id,
[INFO] [stdout] 107 | |               symbols: node.stay.into_iter().copied().map(Box::from).collect(),
[INFO] [stdout] 108 | |             });
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             let _ = automata.push_or_merge_connection(Connection {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     writeln!(&mut w, "digraph {{");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     writeln!(&mut w, "    rankdir = LR");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     writeln!(&mut w, "    splines = line");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     writeln!(&mut w, "    n0 [label=\"\",shape=none,height=.0,width=.0]");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     writeln!(&mut w, "    node [shape=\"doublecircle\"]");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |       writeln!(&mut w, "    \"{}\"", a);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     writeln!(&mut w, "    node [shape=\"circle\"]");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     writeln!(&mut w, "    n0 -> \"{}\"", self.nodes[0].name);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | /       writeln!(&mut w,
[INFO] [stdout] 91 | |         "    \"{}\" -> \"{}\" [label=\"{}\"]",
[INFO] [stdout] 92 | |         self.get_node(conn.from).name,
[INFO] [stdout] 93 | |         self.get_node(conn.to).name,
[INFO] [stdout] 94 | |         conn.symbols.join(","),
[INFO] [stdout] 95 | |       );
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> core/src/models.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     writeln!(&mut w, "}}");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.68
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]  Documenting eoautomata-web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "71aefdce70b9e6f573ae92965a43cdbd404656947b3c961c6a2c0edd1928730b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71aefdce70b9e6f573ae92965a43cdbd404656947b3c961c6a2c0edd1928730b", kill_on_drop: false }`
[INFO] [stdout] 71aefdce70b9e6f573ae92965a43cdbd404656947b3c961c6a2c0edd1928730b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "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] 3fe9f27d39f96713da9545d23cf4c2808b72c6170c0dcd2cabf6164de851596a
[INFO] running `Command { std: "docker" "start" "-a" "3fe9f27d39f96713da9545d23cf4c2808b72c6170c0dcd2cabf6164de851596a", 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" "3fe9f27d39f96713da9545d23cf4c2808b72c6170c0dcd2cabf6164de851596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe9f27d39f96713da9545d23cf4c2808b72c6170c0dcd2cabf6164de851596a", kill_on_drop: false }`
[INFO] [stdout] 3fe9f27d39f96713da9545d23cf4c2808b72c6170c0dcd2cabf6164de851596a
