[INFO] cloning repository https://github.com/Steffo99/lan-party-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Steffo99/lan-party-tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffo99%2Flan-party-tools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffo99%2Flan-party-tools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12e4bccc4158afa83ec0f07e0d615ae1b2d5d422
[INFO] documenting Steffo99/lan-party-tools against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSteffo99%2Flan-party-tools" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Steffo99/lan-party-tools on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Steffo99/lan-party-tools
[INFO] finished tweaking git repo https://github.com/Steffo99/lan-party-tools
[INFO] tweaked toml for git repo https://github.com/Steffo99/lan-party-tools written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Steffo99/lan-party-tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] [stderr]   Downloaded reqwest v0.10.2
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded pbr v1.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 710335cab07fe09e4e8f9e77b822eb3b29e713a1abab8b2ff11f49ffc78ecc52
[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" "710335cab07fe09e4e8f9e77b822eb3b29e713a1abab8b2ff11f49ffc78ecc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710335cab07fe09e4e8f9e77b822eb3b29e713a1abab8b2ff11f49ffc78ecc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710335cab07fe09e4e8f9e77b822eb3b29e713a1abab8b2ff11f49ffc78ecc52", kill_on_drop: false }`
[INFO] [stdout] 710335cab07fe09e4e8f9e77b822eb3b29e713a1abab8b2ff11f49ffc78ecc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05ffa9285e1871ebfa14d8b60ad337dcc5ad1058da012cd65285785fe7a49079
[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" "05ffa9285e1871ebfa14d8b60ad337dcc5ad1058da012cd65285785fe7a49079", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking pbr v1.0.2
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking systemstat v0.1.5
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.2
[INFO] [stderr]  Documenting lan-party-tools v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(str_strip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `lan-party-tools`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name lan_party_tools src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern clap=/opt/rustwide/target/debug/deps/libclap-babc12506b9cd856.rmeta --extern fs_extra=/opt/rustwide/target/debug/deps/libfs_extra-5a9380f3e35b2011.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern pbr=/opt/rustwide/target/debug/deps/libpbr-75fb746987b5f070.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-ccff24938cc47a5e.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-686430fffc8ca576.rmeta --extern systemstat=/opt/rustwide/target/debug/deps/libsystemstat-0b6612ceb052e38d.rmeta --cap-lints=warn --crate-version 0.3.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "05ffa9285e1871ebfa14d8b60ad337dcc5ad1058da012cd65285785fe7a49079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ffa9285e1871ebfa14d8b60ad337dcc5ad1058da012cd65285785fe7a49079", kill_on_drop: false }`
[INFO] [stdout] 05ffa9285e1871ebfa14d8b60ad337dcc5ad1058da012cd65285785fe7a49079