[INFO] updating cached repository https://github.com/LouisJackman/sylan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d6ff074e3df6fb2a9b4adf0744812f9e5b96bce
[INFO] documenting LouisJackman/sylan against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouisJackman%2Fsylan" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LouisJackman/sylan on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LouisJackman/sylan
[INFO] finished tweaking git repo https://github.com/LouisJackman/sylan
[INFO] tweaked toml for git repo https://github.com/LouisJackman/sylan written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/LouisJackman/sylan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.rust
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 495d5fafa6a3389b21fd76bee4b42d6184de05f461610f6488b1736d9d4a0697
[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" "495d5fafa6a3389b21fd76bee4b42d6184de05f461610f6488b1736d9d4a0697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495d5fafa6a3389b21fd76bee4b42d6184de05f461610f6488b1736d9d4a0697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495d5fafa6a3389b21fd76bee4b42d6184de05f461610f6488b1736d9d4a0697", kill_on_drop: false }`
[INFO] [stdout] 495d5fafa6a3389b21fd76bee4b42d6184de05f461610f6488b1736d9d4a0697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cbd7ac7042b0e5c1e75e379e963b41fe7e5d06626e65eb0c5b5871db0f5d965
[INFO] running `Command { std: "docker" "start" "-a" "1cbd7ac7042b0e5c1e75e379e963b41fe7e5d06626e65eb0c5b5871db0f5d965", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.rust
[INFO] [stderr]  Documenting sylan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 12 | | //!                                                          ,-> interpreter -> runtime
[INFO] [stdout] 13 | | //! source -> lexing -> parsing -> simplification -> IL -> -<
[INFO] [stdout] 14 | | //!                                                          `-> compiler -> runtime
[INFO] [stdout] 15 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/main.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |   //! ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 45 | | //!                                                        ,-> Side Effects via Interpretation
[INFO] [stdout] 46 | | //!                                                       /    with the Runtime
[INFO] [stdout] 47 | | //! Source -> Tokens -> AST -> Kernel Sylan -> Sylan IL -<
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | | //!                                                                                     Runtime
[INFO] [stdout] 55 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 44 | //! ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/common/multiphase.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |   /// ```
[INFO] [stdout]     |  _____^
[INFO] [stdout] 121 | | /// fun public operator [||] (n Usize) { }`
[INFO] [stdout] 122 | | /// fun public operator [|:|] (slice ..Slice) { }`
[INFO] [stdout] 123 | | /// fun public operator [|:...|] (fragments ..SliceFragment) { }`
[INFO] [stdout] 124 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 120 | /// ```text
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "1cbd7ac7042b0e5c1e75e379e963b41fe7e5d06626e65eb0c5b5871db0f5d965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cbd7ac7042b0e5c1e75e379e963b41fe7e5d06626e65eb0c5b5871db0f5d965", kill_on_drop: false }`
[INFO] [stdout] 1cbd7ac7042b0e5c1e75e379e963b41fe7e5d06626e65eb0c5b5871db0f5d965