[INFO] cloning repository https://github.com/Szczurowski/rust-example-hero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Szczurowski/rust-example-hero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzczurowski%2Frust-example-hero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzczurowski%2Frust-example-hero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db5b60b1109b1fbae2531d7568717bb77b4c28fc
[INFO] documenting Szczurowski/rust-example-hero against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSzczurowski%2Frust-example-hero" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Szczurowski/rust-example-hero on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Szczurowski/rust-example-hero
[INFO] finished tweaking git repo https://github.com/Szczurowski/rust-example-hero
[INFO] tweaked toml for git repo https://github.com/Szczurowski/rust-example-hero written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Szczurowski/rust-example-hero already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches v0.1.7
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded scan_fmt v0.1.3
[INFO] [stderr]   Downloaded separator v0.3.1
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded try_from v0.2.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.12
[INFO] [stderr]   Downloaded walkdir v2.2.0
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded notify v4.0.4
[INFO] [stderr]   Downloaded textnonce v0.6.4
[INFO] [stderr]   Downloaded inotify v0.3.0
[INFO] [stderr]   Downloaded ryu v0.2.3
[INFO] [stderr]   Downloaded bson v0.12.3
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded mongodb v0.3.10
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9a3aaaaf3da6f6e66e43c17e2ec046f9c2ffb82fe7a913ba0ebeef235eb4421
[INFO] running `Command { std: "docker" "start" "-a" "f9a3aaaaf3da6f6e66e43c17e2ec046f9c2ffb82fe7a913ba0ebeef235eb4421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9a3aaaaf3da6f6e66e43c17e2ec046f9c2ffb82fe7a913ba0ebeef235eb4421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9a3aaaaf3da6f6e66e43c17e2ec046f9c2ffb82fe7a913ba0ebeef235eb4421", kill_on_drop: false }`
[INFO] [stdout] f9a3aaaaf3da6f6e66e43c17e2ec046f9c2ffb82fe7a913ba0ebeef235eb4421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89c64eb0e41501c7aff6e837bcc339a1d07eeec1da16fbbfad7579b7eeeb2275
[INFO] running `Command { std: "docker" "start" "-a" "89c64eb0e41501c7aff6e837bcc339a1d07eeec1da16fbbfad7579b7eeeb2275", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.12
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking byteorder v1.2.4
[INFO] [stderr]    Compiling matches v0.1.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=b475140#b4751403)
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-0.4.12/src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     feature(proc_macro_raw_ident, proc_macro_span)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-0.4.12/src/lib.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     feature(proc_macro_raw_ident, proc_macro_span)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-0.4.12/src/unstable.rs:346:27
[INFO] [stdout]     |
[INFO] [stdout] 346 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89c64eb0e41501c7aff6e837bcc339a1d07eeec1da16fbbfad7579b7eeeb2275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c64eb0e41501c7aff6e837bcc339a1d07eeec1da16fbbfad7579b7eeeb2275", kill_on_drop: false }`
[INFO] [stdout] 89c64eb0e41501c7aff6e837bcc339a1d07eeec1da16fbbfad7579b7eeeb2275
