[INFO] cloning repository https://github.com/brunoalfred/actix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brunoalfred/actix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoalfred%2Factix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrunoalfred%2Factix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eed9b6ec492777b2201a6707e7cfc9e21033500
[INFO] documenting brunoalfred/actix 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%2Fbrunoalfred%2Factix" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brunoalfred/actix 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/brunoalfred/actix
[INFO] finished tweaking git repo https://github.com/brunoalfred/actix
[INFO] tweaked toml for git repo https://github.com/brunoalfred/actix written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/brunoalfred/actix 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded buf-min v0.1.1
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded actix-tls v2.0.0-alpha.1
[INFO] [stderr]   Downloaded actix-web-codegen v0.3.0-beta.1
[INFO] [stderr]   Downloaded actix-connect v2.0.0-alpha.3
[INFO] [stderr]   Downloaded actix-web v3.0.0-beta.1
[INFO] [stderr]   Downloaded v_htmlescape v0.10.0
[INFO] [stderr]   Downloaded v_escape v0.12.1
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded actix-files v0.3.0-beta.1
[INFO] [stderr]   Downloaded h2 v0.2.5
[INFO] [stderr]   Downloaded actix-threadpool v0.3.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.5
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.5
[INFO] [stderr]   Downloaded awc v2.0.0-beta.2
[INFO] [stderr]   Downloaded cookie v0.14.2
[INFO] [stderr]   Downloaded sha-1 v0.9.1
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded v_escape_derive v0.8.1
[INFO] [stderr]   Downloaded chrono v0.4.12
[INFO] [stderr]   Downloaded actix-http v2.0.0-beta.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0fa5e3f85d7be9e011bb2205fbfa90363a0815a832554343e17da31ce93bac5d
[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" "0fa5e3f85d7be9e011bb2205fbfa90363a0815a832554343e17da31ce93bac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa5e3f85d7be9e011bb2205fbfa90363a0815a832554343e17da31ce93bac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa5e3f85d7be9e011bb2205fbfa90363a0815a832554343e17da31ce93bac5d", kill_on_drop: false }`
[INFO] [stdout] 0fa5e3f85d7be9e011bb2205fbfa90363a0815a832554343e17da31ce93bac5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 101012eab9720206f62a732a224b5200600d8ae5d95f440debd8af5db57abdda
[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" "101012eab9720206f62a732a224b5200600d8ae5d95f440debd8af5db57abdda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]    Compiling v_escape v0.12.1
[INFO] [stderr]    Compiling v_htmlescape v0.10.0
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr]     Checking buf-min v0.1.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking chrono v0.4.12
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling v_escape_derive v0.8.1
[INFO] [stderr]    Compiling actix-web-codegen v0.3.0-beta.1
[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr] error: could not compile `async-trait`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name async_trait --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-trait-0.1.36/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 -C metadata=2e5b627c24b5a735 -C extra-filename=-2e5b627c24b5a735 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-327cd92f1d94740b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-1342edecf3458939.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-59ab231a2308348c.rlib --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "101012eab9720206f62a732a224b5200600d8ae5d95f440debd8af5db57abdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101012eab9720206f62a732a224b5200600d8ae5d95f440debd8af5db57abdda", kill_on_drop: false }`
[INFO] [stdout] 101012eab9720206f62a732a224b5200600d8ae5d95f440debd8af5db57abdda