[INFO] cloning repository https://github.com/Globidev/push-swap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Globidev/push-swap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlobidev%2Fpush-swap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlobidev%2Fpush-swap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3c6f1c7ab6b33d7281eff4895b3d0e4c291fe77
[INFO] documenting Globidev/push-swap 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%2FGlobidev%2Fpush-swap" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Globidev/push-swap 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/Globidev/push-swap
[INFO] finished tweaking git repo https://github.com/Globidev/push-swap
[INFO] tweaked toml for git repo https://github.com/Globidev/push-swap written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Globidev/push-swap 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 53e07cb4de55662bd62916ad2860a24c97cb0983022b405771a0ea54498a37cc
[INFO] running `Command { std: "docker" "start" "-a" "53e07cb4de55662bd62916ad2860a24c97cb0983022b405771a0ea54498a37cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e07cb4de55662bd62916ad2860a24c97cb0983022b405771a0ea54498a37cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e07cb4de55662bd62916ad2860a24c97cb0983022b405771a0ea54498a37cc", kill_on_drop: false }`
[INFO] [stdout] 53e07cb4de55662bd62916ad2860a24c97cb0983022b405771a0ea54498a37cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2744b60eb845009d6a1cdd1fce68a102ae859ef798114feccbfeadc24b93d126
[INFO] running `Command { std: "docker" "start" "-a" "2744b60eb845009d6a1cdd1fce68a102ae859ef798114feccbfeadc24b93d126", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]  Documenting push-swap 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(iterator_find_map)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `push-swap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name push_swap 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=a89bc2f54a2599dc -L dependency=/opt/rustwide/target/debug/deps --extern colored=/opt/rustwide/target/debug/deps/libcolored-febca75337fa69c1.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-569eaa64a240082a.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-85956745e840bb6c.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-ed40c61522ba9350.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-3d5c122d88619c34.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2744b60eb845009d6a1cdd1fce68a102ae859ef798114feccbfeadc24b93d126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2744b60eb845009d6a1cdd1fce68a102ae859ef798114feccbfeadc24b93d126", kill_on_drop: false }`
[INFO] [stdout] 2744b60eb845009d6a1cdd1fce68a102ae859ef798114feccbfeadc24b93d126