[INFO] cloning repository https://github.com/Wardenfar/rs-coverage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wardenfar/rs-coverage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWardenfar%2Frs-coverage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWardenfar%2Frs-coverage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef68d9a3d1604574cdcd617b3e6addc34165af69
[INFO] documenting Wardenfar/rs-coverage 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%2FWardenfar%2Frs-coverage" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Wardenfar/rs-coverage 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/Wardenfar/rs-coverage
[INFO] finished tweaking git repo https://github.com/Wardenfar/rs-coverage
[INFO] tweaked toml for git repo https://github.com/Wardenfar/rs-coverage written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Wardenfar/rs-coverage 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9f193fb97712f08cccad4f2d20997e7c6bc627e2758838e1d2fced892f6643e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f193fb97712f08cccad4f2d20997e7c6bc627e2758838e1d2fced892f6643e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f193fb97712f08cccad4f2d20997e7c6bc627e2758838e1d2fced892f6643e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f193fb97712f08cccad4f2d20997e7c6bc627e2758838e1d2fced892f6643e6", kill_on_drop: false }`
[INFO] [stdout] 9f193fb97712f08cccad4f2d20997e7c6bc627e2758838e1d2fced892f6643e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b714e631df9ae8be354aab574351e67402d67f2be2042875b7c902b31a2e01e
[INFO] running `Command { std: "docker" "start" "-a" "5b714e631df9ae8be354aab574351e67402d67f2be2042875b7c902b31a2e01e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]  Documenting report v0.1.0 (/opt/rustwide/workdir/report)
[INFO] [stderr]  Documenting coverage v0.0.0 (/opt/rustwide/workdir/codegen)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> report/src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(stdin_forwarders)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> codegen/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `coverage`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name coverage codegen/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=144ddcf950d5c279 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d42c3018684f018f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-481932851e570459.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-47d3814f37885e5d.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `report`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name report report/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=dc41c036a9574c39 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-304ed2eff498e93f.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d42c3018684f018f.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-47d3814f37885e5d.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5b714e631df9ae8be354aab574351e67402d67f2be2042875b7c902b31a2e01e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b714e631df9ae8be354aab574351e67402d67f2be2042875b7c902b31a2e01e", kill_on_drop: false }`
[INFO] [stdout] 5b714e631df9ae8be354aab574351e67402d67f2be2042875b7c902b31a2e01e