[INFO] cloning repository https://github.com/echnobas/fenix-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/echnobas/fenix-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechnobas%2Ffenix-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechnobas%2Ffenix-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9b00c23e16f71555a9e86e6bb06ea18e879303f
[INFO] documenting echnobas/fenix-lang against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechnobas%2Ffenix-lang" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/echnobas/fenix-lang on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/echnobas/fenix-lang
[INFO] finished tweaking git repo https://github.com/echnobas/fenix-lang
[INFO] tweaked toml for git repo https://github.com/echnobas/fenix-lang written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/echnobas/fenix-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e6b9fd7c76df49f6ef4a31e8278a508b63f6f234338d21c58a9ed5a80c3420
[INFO] running `Command { std: "docker" "start" "-a" "68e6b9fd7c76df49f6ef4a31e8278a508b63f6f234338d21c58a9ed5a80c3420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e6b9fd7c76df49f6ef4a31e8278a508b63f6f234338d21c58a9ed5a80c3420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e6b9fd7c76df49f6ef4a31e8278a508b63f6f234338d21c58a9ed5a80c3420", kill_on_drop: false }`
[INFO] [stdout] 68e6b9fd7c76df49f6ef4a31e8278a508b63f6f234338d21c58a9ed5a80c3420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee0e903eaa89a3c28c07c884327faad88b91ecce1f022c932a42d653d501456
[INFO] running `Command { std: "docker" "start" "-a" "1ee0e903eaa89a3c28c07c884327faad88b91ecce1f022c932a42d653d501456", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `scanner` should have an upper camel case name
[INFO] [stdout]   --> src/scanner.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct scanner {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Scanner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust_interpreter`
[INFO] [stdout] error[E0072]: recursive type `expr::Stmt` has infinite size
[INFO] [stdout]   --> src/expr.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Stmt {
[INFO] [stdout]    | ^^^^^^^^^^^^^ recursive type has infinite size
[INFO] [stdout] ...
[INFO] [stdout] 54 |     If(Expr, Box<Stmt>, Option<Stmt>),
[INFO] [stdout]    |                         ------------ recursive without indirection
[INFO] [stdout]    |
[INFO] [stdout] help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `expr::Stmt` representable
[INFO] [stdout]    |
[INFO] [stdout] 54 |     If(Expr, Box<Stmt>, Option<Box<Stmt>>),
[INFO] [stdout]    |                                ++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0072`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rust_interpreter src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=91aa1cff7309d738 -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1ee0e903eaa89a3c28c07c884327faad88b91ecce1f022c932a42d653d501456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee0e903eaa89a3c28c07c884327faad88b91ecce1f022c932a42d653d501456", kill_on_drop: false }`
[INFO] [stdout] 1ee0e903eaa89a3c28c07c884327faad88b91ecce1f022c932a42d653d501456