[INFO] cloning repository https://github.com/cjm00/rust-wfc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cjm00/rust-wfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm00%2Frust-wfc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm00%2Frust-wfc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76b262ba3707afe22f6a6d8a9699aa9413d91955
[INFO] documenting cjm00/rust-wfc against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcjm00%2Frust-wfc" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cjm00/rust-wfc on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cjm00/rust-wfc
[INFO] finished tweaking git repo https://github.com/cjm00/rust-wfc
[INFO] tweaked toml for git repo https://github.com/cjm00/rust-wfc written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/cjm00/rust-wfc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85308a4ac9b3aed39212b5e29d9c806f045c554932cf8682a763f83b8d72bde2
[INFO] running `Command { std: "docker" "start" "-a" "85308a4ac9b3aed39212b5e29d9c806f045c554932cf8682a763f83b8d72bde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85308a4ac9b3aed39212b5e29d9c806f045c554932cf8682a763f83b8d72bde2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85308a4ac9b3aed39212b5e29d9c806f045c554932cf8682a763f83b8d72bde2", kill_on_drop: false }`
[INFO] [stdout] 85308a4ac9b3aed39212b5e29d9c806f045c554932cf8682a763f83b8d72bde2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fad91200f0a4bd29ba67475e8e0e3988c932e1b481679ee56526679602f2c04
[INFO] running `Command { std: "docker" "start" "-a" "2fad91200f0a4bd29ba67475e8e0e3988c932e1b481679ee56526679602f2c04", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling ndarray v0.9.0
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking deflate v0.7.5
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]  Documenting rust-wfc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_from)]
[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 `rust-wfc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name rust_wfc src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-940572295ef9a6b6.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-9c768d4608197303.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-ea11bbd4887a2bf2.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-a54a50ce0dcb5978.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-1ed50e33eb55d481.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2fad91200f0a4bd29ba67475e8e0e3988c932e1b481679ee56526679602f2c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fad91200f0a4bd29ba67475e8e0e3988c932e1b481679ee56526679602f2c04", kill_on_drop: false }`
[INFO] [stdout] 2fad91200f0a4bd29ba67475e8e0e3988c932e1b481679ee56526679602f2c04
