[INFO] fetching crate py_pathfinding 0.1.5...
[INFO] documenting py_pathfinding-0.1.5 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate py_pathfinding 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate py_pathfinding 0.1.5 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate py_pathfinding 0.1.5
[INFO] finished tweaking crates.io crate py_pathfinding 0.1.5
[INFO] tweaked toml for crates.io crate py_pathfinding 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate py_pathfinding 0.1.5 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d1a4e555b11f3cd2f3d4fc923602de5367e1bbe24e0fd1eb15792a5ee848b2
[INFO] running `Command { std: "docker" "start" "-a" "43d1a4e555b11f3cd2f3d4fc923602de5367e1bbe24e0fd1eb15792a5ee848b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d1a4e555b11f3cd2f3d4fc923602de5367e1bbe24e0fd1eb15792a5ee848b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d1a4e555b11f3cd2f3d4fc923602de5367e1bbe24e0fd1eb15792a5ee848b2", kill_on_drop: false }`
[INFO] [stdout] 43d1a4e555b11f3cd2f3d4fc923602de5367e1bbe24e0fd1eb15792a5ee848b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4998fd82875fa23d0e71ec92cc4a87fdeab37742e43953471e3787559a543fd
[INFO] running `Command { std: "docker" "start" "-a" "b4998fd82875fa23d0e71ec92cc4a87fdeab37742e43953471e3787559a543fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]  Documenting py_pathfinding v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `x`
[INFO] [stdout]    --> src/algorithms/jps.rs:271:125
[INFO] [stdout]     |
[INFO] [stdout] 271 |     /// Checks if the point is in the grid. Careful, the 2d grid needs to be similar to numpy arrays, so row major. Grid[y][x]
[INFO] [stdout]     |                                                                                                                             ^ no item named `x` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `x`
[INFO] [stdout]    --> src/algorithms/jps.rs:279:125
[INFO] [stdout]     |
[INFO] [stdout] 279 |     /// Checks if the point is in the grid. Careful, the 2d grid needs to be similar to numpy arrays, so row major. Grid[y][x]
[INFO] [stdout]     |                                                                                                                             ^ no item named `x` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `py_pathfinding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name py_pathfinding src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b9041a13a34e7fff -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-a2fed59003ee189a.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-9250647621b76475.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b4998fd82875fa23d0e71ec92cc4a87fdeab37742e43953471e3787559a543fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4998fd82875fa23d0e71ec92cc4a87fdeab37742e43953471e3787559a543fd", kill_on_drop: false }`
[INFO] [stdout] b4998fd82875fa23d0e71ec92cc4a87fdeab37742e43953471e3787559a543fd
