[INFO] cloning repository https://github.com/AnyLeaf/ph-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AnyLeaf/ph-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyLeaf%2Fph-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyLeaf%2Fph-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8918de6c8a9f9aad9a2063e7d62d2d16576eb2c
[INFO] documenting AnyLeaf/ph-rust against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnyLeaf%2Fph-rust" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AnyLeaf/ph-rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AnyLeaf/ph-rust
[INFO] finished tweaking git repo https://github.com/AnyLeaf/ph-rust
[INFO] tweaked toml for git repo https://github.com/AnyLeaf/ph-rust written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/AnyLeaf/ph-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.1.2
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded filter v0.2.0
[INFO] [stderr]   Downloaded nalgebra v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23cfe3c10e5cf0056a6050cc3f011618dba95229e5a36138b47b3bc732b4da24
[INFO] running `Command { std: "docker" "start" "-a" "23cfe3c10e5cf0056a6050cc3f011618dba95229e5a36138b47b3bc732b4da24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23cfe3c10e5cf0056a6050cc3f011618dba95229e5a36138b47b3bc732b4da24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23cfe3c10e5cf0056a6050cc3f011618dba95229e5a36138b47b3bc732b4da24", kill_on_drop: false }`
[INFO] [stdout] 23cfe3c10e5cf0056a6050cc3f011618dba95229e5a36138b47b3bc732b4da24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de188a03f0a2e12850e2565f5adaf8cfc274242fcb5db68adff86c97514ae146
[INFO] running `Command { std: "docker" "start" "-a" "de188a03f0a2e12850e2565f5adaf8cfc274242fcb5db68adff86c97514ae146", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling paste-impl v0.1.15
[INFO] [stderr]     Checking paste v0.1.15
[INFO] [stderr]     Checking simba v0.1.2
[INFO] [stderr]     Checking nalgebra v0.21.0
[INFO] [stderr]     Checking filter v0.2.0
[INFO] [stderr]  Documenting anyleaf v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:64:1
[INFO] [stdout]    |
[INFO] [stdout] 64 | #![feature(unsize)] // Used by the `max31865` module.
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `anyleaf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name anyleaf src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-aa8c35ede96949b6.rmeta --extern filter=/opt/rustwide/target/debug/deps/libfilter-b56646d6e984ad9b.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-2fe190434f4e2ab1.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-71d765356b51fb99.rmeta --cap-lints=warn --crate-version 0.1.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "de188a03f0a2e12850e2565f5adaf8cfc274242fcb5db68adff86c97514ae146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de188a03f0a2e12850e2565f5adaf8cfc274242fcb5db68adff86c97514ae146", kill_on_drop: false }`
[INFO] [stdout] de188a03f0a2e12850e2565f5adaf8cfc274242fcb5db68adff86c97514ae146
