[INFO] fetching crate maze-core 0.0.2...
[INFO] documenting maze-core-0.0.2 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate maze-core 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate maze-core 0.0.2 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 maze-core 0.0.2
[INFO] finished tweaking crates.io crate maze-core 0.0.2
[INFO] tweaked toml for crates.io crate maze-core 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deprecate-until v0.1.1
[INFO] [stderr]   Downloaded pathfinding v4.8.0
[INFO] [stderr]   Downloaded taxicab-map v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7a724a3826bf08e0a4e89b2d45c6722049360e3832c5334ae9cb32e55c591bf3
[INFO] running `Command { std: "docker" "start" "-a" "7a724a3826bf08e0a4e89b2d45c6722049360e3832c5334ae9cb32e55c591bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a724a3826bf08e0a4e89b2d45c6722049360e3832c5334ae9cb32e55c591bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a724a3826bf08e0a4e89b2d45c6722049360e3832c5334ae9cb32e55c591bf3", kill_on_drop: false }`
[INFO] [stdout] 7a724a3826bf08e0a4e89b2d45c6722049360e3832c5334ae9cb32e55c591bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 431294c240850f0f6da2d41e1a989a98bab95aa08efc7fa99e48d507f3c90f79
[INFO] running `Command { std: "docker" "start" "-a" "431294c240850f0f6da2d41e1a989a98bab95aa08efc7fa99e48d507f3c90f79", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]     Checking pathfinding v4.8.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking taxicab-map v0.1.3
[INFO] [stderr]  Documenting maze-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `maze-core`
[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=2021 --crate-type lib --crate-name maze_core src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=491ded5877bcb7b4 -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-f25f73f27b734245.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-dccf11d98845756c.rmeta --extern taxicab_map=/opt/rustwide/target/debug/deps/libtaxicab_map-ce61738ca368322c.rmeta --cap-lints=warn --crate-version 0.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "431294c240850f0f6da2d41e1a989a98bab95aa08efc7fa99e48d507f3c90f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431294c240850f0f6da2d41e1a989a98bab95aa08efc7fa99e48d507f3c90f79", kill_on_drop: false }`
[INFO] [stdout] 431294c240850f0f6da2d41e1a989a98bab95aa08efc7fa99e48d507f3c90f79
