[INFO] cloning repository https://github.com/snjax/nep4_nostd_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snjax/nep4_nostd_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fnep4_nostd_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnjax%2Fnep4_nostd_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e452a8bc114e43ed49680d89738fcade4a17303
[INFO] documenting snjax/nep4_nostd_example 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%2Fsnjax%2Fnep4_nostd_example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snjax/nep4_nostd_example 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/snjax/nep4_nostd_example
[INFO] finished tweaking git repo https://github.com/snjax/nep4_nostd_example
[INFO] tweaked toml for git repo https://github.com/snjax/nep4_nostd_example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/snjax/nep4_nostd_example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] c22cd65e9f87e370b74d2a6aabfa6844ecf4c79c9a38c92a00a8aa2461e3d964
[INFO] running `Command { std: "docker" "start" "-a" "c22cd65e9f87e370b74d2a6aabfa6844ecf4c79c9a38c92a00a8aa2461e3d964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c22cd65e9f87e370b74d2a6aabfa6844ecf4c79c9a38c92a00a8aa2461e3d964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22cd65e9f87e370b74d2a6aabfa6844ecf4c79c9a38c92a00a8aa2461e3d964", kill_on_drop: false }`
[INFO] [stdout] c22cd65e9f87e370b74d2a6aabfa6844ecf4c79c9a38c92a00a8aa2461e3d964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b5ee870a49b8ba58d00fa2017daf3182e95cb0d0e11c2735386db063539b214a
[INFO] running `Command { std: "docker" "start" "-a" "b5ee870a49b8ba58d00fa2017daf3182e95cb0d0e11c2735386db063539b214a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.1
[INFO] [stderr]    Compiling near-sdk-pure-core v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]    Compiling near-sdk-pure-macros v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.8.1
[INFO] [stderr]     Checking borsh v0.8.1
[INFO] [stderr]     Checking near-sdk-pure v2.0.0 (https://github.com/snjax/near-sdk-pure-rs?branch=main#5ba528d3)
[INFO] [stderr]  Documenting nep4-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, alloc_error_handler)]
[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 `nep4-rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-type rlib --crate-name nep4_rs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ced0decbb4e1c5bb -L dependency=/opt/rustwide/target/debug/deps --extern borsh=/opt/rustwide/target/debug/deps/libborsh-8360417b8e6283ab.rmeta --extern near_sdk_pure=/opt/rustwide/target/debug/deps/libnear_sdk_pure-327b5d57d55e50ac.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a16725ca30b23e6.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6ade20b456e38afa.rmeta --extern wee_alloc=/opt/rustwide/target/debug/deps/libwee_alloc-34354812c4e58bbc.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b5ee870a49b8ba58d00fa2017daf3182e95cb0d0e11c2735386db063539b214a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ee870a49b8ba58d00fa2017daf3182e95cb0d0e11c2735386db063539b214a", kill_on_drop: false }`
[INFO] [stdout] b5ee870a49b8ba58d00fa2017daf3182e95cb0d0e11c2735386db063539b214a