[INFO] cloning repository https://github.com/PMFU/PMFUMetaServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PMFU/PMFUMetaServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPMFU%2FPMFUMetaServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPMFU%2FPMFUMetaServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 371a3ee899c329e77d7a131b0b2c6fbedd713a42
[INFO] documenting PMFU/PMFUMetaServer 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%2FPMFU%2FPMFUMetaServer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PMFU/PMFUMetaServer 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/PMFU/PMFUMetaServer
[INFO] finished tweaking git repo https://github.com/PMFU/PMFUMetaServer
[INFO] tweaked toml for git repo https://github.com/PMFU/PMFUMetaServer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/PMFU/PMFUMetaServer 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 enet v0.2.3
[INFO] [stderr]   Downloaded bindgen v0.35.0
[INFO] [stderr]   Downloaded enet-sys v0.2.3
[INFO] [stderr]   Downloaded enum-utils-from-str v0.1.2
[INFO] [stderr]   Downloaded enum-utils v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ded137f5a41fa43e7a27fb329607dcebe7c6cb2c1cc6a61c3e0b45aadae878f2
[INFO] running `Command { std: "docker" "start" "-a" "ded137f5a41fa43e7a27fb329607dcebe7c6cb2c1cc6a61c3e0b45aadae878f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded137f5a41fa43e7a27fb329607dcebe7c6cb2c1cc6a61c3e0b45aadae878f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded137f5a41fa43e7a27fb329607dcebe7c6cb2c1cc6a61c3e0b45aadae878f2", kill_on_drop: false }`
[INFO] [stdout] ded137f5a41fa43e7a27fb329607dcebe7c6cb2c1cc6a61c3e0b45aadae878f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fde41c38d25288e843d2eb9383405aab8ca0c0410a50e53bcefbde1261debf70
[INFO] running `Command { std: "docker" "start" "-a" "fde41c38d25288e843d2eb9383405aab8ca0c0410a50e53bcefbde1261debf70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.35.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling clang-sys v0.22.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking wildmatch v1.1.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling enum-utils-from-str v0.1.2
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking xmltree v0.10.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]     Checking attohttpc v0.16.3
[INFO] [stderr]     Checking igd v0.12.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling enum-utils v0.1.2
[INFO] [stderr]    Compiling enet-sys v0.2.3
[INFO] [stderr]     Checking enet v0.2.3
[INFO] [stderr]  Documenting pmfumeta_server 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inherent_ascii_escape)]
[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 `pmfumeta_server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name pmfumeta_server 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=33a9060a1db78773 -L dependency=/opt/rustwide/target/debug/deps --extern enet=/opt/rustwide/target/debug/deps/libenet-b3196f1a65f74503.rmeta --extern enum_utils=/opt/rustwide/target/debug/deps/libenum_utils-0e3930c6c2c0c0eb.so --extern igd=/opt/rustwide/target/debug/deps/libigd-5a5355f28495ccb8.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-3828c31f626ec64f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fde41c38d25288e843d2eb9383405aab8ca0c0410a50e53bcefbde1261debf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde41c38d25288e843d2eb9383405aab8ca0c0410a50e53bcefbde1261debf70", kill_on_drop: false }`
[INFO] [stdout] fde41c38d25288e843d2eb9383405aab8ca0c0410a50e53bcefbde1261debf70
