[INFO] cloning repository https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swiftaff/rust-learning-parser-combinators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftaff%2Frust-learning-parser-combinators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d892d8ab14330c61befaf439454c46c307b20345
[INFO] documenting Swiftaff/rust-learning-parser-combinators 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%2FSwiftaff%2Frust-learning-parser-combinators" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Swiftaff/rust-learning-parser-combinators 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/Swiftaff/rust-learning-parser-combinators
[INFO] finished tweaking git repo https://github.com/Swiftaff/rust-learning-parser-combinators
[INFO] tweaked toml for git repo https://github.com/Swiftaff/rust-learning-parser-combinators written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/Swiftaff/rust-learning-parser-combinators 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] c5706805b1586304b310652602a28fd74afce26e18ecf8b64343fbf7915355f3
[INFO] running `Command { std: "docker" "start" "-a" "c5706805b1586304b310652602a28fd74afce26e18ecf8b64343fbf7915355f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5706805b1586304b310652602a28fd74afce26e18ecf8b64343fbf7915355f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5706805b1586304b310652602a28fd74afce26e18ecf8b64343fbf7915355f3", kill_on_drop: false }`
[INFO] [stdout] c5706805b1586304b310652602a28fd74afce26e18ecf8b64343fbf7915355f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 8f7e0ff1bbf1ceb69f6cccf93d05dffbbb684e3ffb7c1405cddb7fd95bb96442
[INFO] running `Command { std: "docker" "start" "-a" "8f7e0ff1bbf1ceb69f6cccf93d05dffbbb684e3ffb7c1405cddb7fd95bb96442", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking indextree v4.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]  Documenting rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "8f7e0ff1bbf1ceb69f6cccf93d05dffbbb684e3ffb7c1405cddb7fd95bb96442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7e0ff1bbf1ceb69f6cccf93d05dffbbb684e3ffb7c1405cddb7fd95bb96442", kill_on_drop: false }`
[INFO] [stdout] 8f7e0ff1bbf1ceb69f6cccf93d05dffbbb684e3ffb7c1405cddb7fd95bb96442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 87b80d06514dd6bc452711f3f27f8d76e497a27b716f3893b98b4df9dd67f4a9
[INFO] running `Command { std: "docker" "start" "-a" "87b80d06514dd6bc452711f3f27f8d76e497a27b716f3893b98b4df9dd67f4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking indextree v4.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]  Documenting rust-learning-parser-combinators v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "87b80d06514dd6bc452711f3f27f8d76e497a27b716f3893b98b4df9dd67f4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b80d06514dd6bc452711f3f27f8d76e497a27b716f3893b98b4df9dd67f4a9", kill_on_drop: false }`
[INFO] [stdout] 87b80d06514dd6bc452711f3f27f8d76e497a27b716f3893b98b4df9dd67f4a9