[INFO] cloning repository https://github.com/7673502/rust-calculator-ast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7673502/rust-calculator-ast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7673502%2Frust-calculator-ast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7673502%2Frust-calculator-ast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 204a59ef0bd9f9403fa3f5d910e3d15822b3419d
[INFO] documenting 7673502/rust-calculator-ast against 1.90.0 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7673502%2Frust-calculator-ast" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/7673502/rust-calculator-ast
[INFO] finished tweaking git repo https://github.com/7673502/rust-calculator-ast
[INFO] tweaked toml for git repo https://github.com/7673502/rust-calculator-ast written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/7673502/rust-calculator-ast on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/7673502/rust-calculator-ast 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" "+1.90.0" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5affe1190d51b5be63f33bae5be2870bbfd08cab1482ae27e2d2bddc2a4764a
[INFO] running `Command { std: "docker" "start" "-a" "c5affe1190d51b5be63f33bae5be2870bbfd08cab1482ae27e2d2bddc2a4764a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5affe1190d51b5be63f33bae5be2870bbfd08cab1482ae27e2d2bddc2a4764a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5affe1190d51b5be63f33bae5be2870bbfd08cab1482ae27e2d2bddc2a4764a", kill_on_drop: false }`
[INFO] [stdout] c5affe1190d51b5be63f33bae5be2870bbfd08cab1482ae27e2d2bddc2a4764a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b0cd32b7c6b6c23da02f14827fef21deb99c55e406e754e3946f499cb0823c1
[INFO] running `Command { std: "docker" "start" "-a" "4b0cd32b7c6b6c23da02f14827fef21deb99c55e406e754e3946f499cb0823c1", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-calculator-ast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/ast.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |       /// ```
[INFO] [stdout]    |  _________^
[INFO] [stdout] 82 | |     /// +
[INFO] [stdout] 83 | |     /// ├── 2
[INFO] [stdout] 84 | |     /// └── 3
[INFO] [stdout] 85 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{251c}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2500}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2500}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2514}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2500}
[INFO] [stdout]    = note: error from rustc: unknown start of token: \u{2500}
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// ```text
[INFO] [stdout]    |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_calculator_ast/index.html
[INFO] running `Command { std: "docker" "inspect" "4b0cd32b7c6b6c23da02f14827fef21deb99c55e406e754e3946f499cb0823c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b0cd32b7c6b6c23da02f14827fef21deb99c55e406e754e3946f499cb0823c1", kill_on_drop: false }`
[INFO] [stdout] 4b0cd32b7c6b6c23da02f14827fef21deb99c55e406e754e3946f499cb0823c1
