[INFO] cloning repository https://github.com/YohananDiamond/rust-scripts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YohananDiamond/rust-scripts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYohananDiamond%2Frust-scripts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYohananDiamond%2Frust-scripts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f4ddb10666fed4e651aec5d836b9e0d40398a17
[INFO] documenting YohananDiamond/rust-scripts 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%2FYohananDiamond%2Frust-scripts" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YohananDiamond/rust-scripts 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/YohananDiamond/rust-scripts
[INFO] finished tweaking git repo https://github.com/YohananDiamond/rust-scripts
[INFO] tweaked toml for git repo https://github.com/YohananDiamond/rust-scripts written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/YohananDiamond/rust-scripts 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 select v0.5.0
[INFO] [stderr]   Downloaded curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]   Downloaded curl v0.4.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f88a0d696a12459f4f80540992923c962a1eafd5a19fc94d0dfa17d1842484e8
[INFO] running `Command { std: "docker" "start" "-a" "f88a0d696a12459f4f80540992923c962a1eafd5a19fc94d0dfa17d1842484e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88a0d696a12459f4f80540992923c962a1eafd5a19fc94d0dfa17d1842484e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88a0d696a12459f4f80540992923c962a1eafd5a19fc94d0dfa17d1842484e8", kill_on_drop: false }`
[INFO] [stdout] f88a0d696a12459f4f80540992923c962a1eafd5a19fc94d0dfa17d1842484e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0abda0cf29f8aed3d238599f6c0e86a275cc8ef844b4fb4a55b6b5eec3df8cae
[INFO] running `Command { std: "docker" "start" "-a" "0abda0cf29f8aed3d238599f6c0e86a275cc8ef844b4fb4a55b6b5eec3df8cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking rust-scripts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust-scripts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/core/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(termination_trait_lib)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `rust-scripts`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name core src/core/mod.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-8a0b5c306324b416.rmeta --extern curl=/opt/rustwide/target/debug/deps/libcurl-7b1c13e962b8c1c1.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern select=/opt/rustwide/target/debug/deps/libselect-0f3dab61bd422938.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9bc8bdcbd5028f0d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-0835725130ab2eef.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/core/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(termination_trait_lib)]
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "0abda0cf29f8aed3d238599f6c0e86a275cc8ef844b4fb4a55b6b5eec3df8cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abda0cf29f8aed3d238599f6c0e86a275cc8ef844b4fb4a55b6b5eec3df8cae", kill_on_drop: false }`
[INFO] [stdout] 0abda0cf29f8aed3d238599f6c0e86a275cc8ef844b4fb4a55b6b5eec3df8cae