[INFO] cloning repository https://github.com/aknuds1/decentralized-meetup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aknuds1/decentralized-meetup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faknuds1%2Fdecentralized-meetup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faknuds1%2Fdecentralized-meetup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602b627f32c04b47ce6be8a1562e42bb8a628cb2
[INFO] documenting aknuds1/decentralized-meetup against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faknuds1%2Fdecentralized-meetup" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aknuds1/decentralized-meetup on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aknuds1/decentralized-meetup
[INFO] finished tweaking git repo https://github.com/aknuds1/decentralized-meetup
[INFO] tweaked toml for git repo https://github.com/aknuds1/decentralized-meetup written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aknuds1/decentralized-meetup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/aknuds1/maud`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tide v0.2.0
[INFO] [stderr]   Downloaded literalext v0.1.1
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded http-service-hyper v0.2.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded http-service v0.2.0
[INFO] [stderr]   Downloaded buf_redux v0.8.1
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.15
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f30886f7651d981363d7dec1d033316747862b01bacef88bf0a4cad13da540e
[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" "4f30886f7651d981363d7dec1d033316747862b01bacef88bf0a4cad13da540e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f30886f7651d981363d7dec1d033316747862b01bacef88bf0a4cad13da540e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f30886f7651d981363d7dec1d033316747862b01bacef88bf0a4cad13da540e", kill_on_drop: false }`
[INFO] [stdout] 4f30886f7651d981363d7dec1d033316747862b01bacef88bf0a4cad13da540e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "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] fbe22c5b5280df8da60595c1b7adc561d861a157cf76bcbd1d24f9050491df52
[INFO] running `Command { std: "docker" "start" "-a" "fbe22c5b5280df8da60595c1b7adc561d861a157cf76bcbd1d24f9050491df52", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.15
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0 (https://github.com/aknuds1/maud?rev=69d25d0b9a3152008588de1eec00f452d1e68127#69d25d0b)
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking buf_redux v0.8.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking term v0.5.2
[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 compile `literalext`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fbe22c5b5280df8da60595c1b7adc561d861a157cf76bcbd1d24f9050491df52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe22c5b5280df8da60595c1b7adc561d861a157cf76bcbd1d24f9050491df52", kill_on_drop: false }`
[INFO] [stdout] fbe22c5b5280df8da60595c1b7adc561d861a157cf76bcbd1d24f9050491df52
