[INFO] cloning repository https://github.com/Freax13/async-trait-ext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Freax13/async-trait-ext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreax13%2Fasync-trait-ext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreax13%2Fasync-trait-ext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbbef9908b8fec3bbed1302f89d493cdffc1a908
[INFO] documenting Freax13/async-trait-ext 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%2FFreax13%2Fasync-trait-ext" "/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/Freax13/async-trait-ext 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/Freax13/async-trait-ext
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Freax13/async-trait-ext
[INFO] tweaked toml for git repo https://github.com/Freax13/async-trait-ext written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 macro-compose v0.1.0
[INFO] [stderr]   Downloaded macro-input v0.1.0
[INFO] [stderr]   Downloaded macro-input-macros v0.1.0
[INFO] [stderr]   Downloaded macro-input-core v0.1.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1424b89d1c924b2f1a66a27f9731638683eceaf9dbfc809d733d856edb33c88
[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" "a1424b89d1c924b2f1a66a27f9731638683eceaf9dbfc809d733d856edb33c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1424b89d1c924b2f1a66a27f9731638683eceaf9dbfc809d733d856edb33c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1424b89d1c924b2f1a66a27f9731638683eceaf9dbfc809d733d856edb33c88", kill_on_drop: false }`
[INFO] [stdout] a1424b89d1c924b2f1a66a27f9731638683eceaf9dbfc809d733d856edb33c88
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7238c8882ce16646b15c027fde4f77ecd7816cb3e09fb6b77438a08fb667e170
[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" "7238c8882ce16646b15c027fde4f77ecd7816cb3e09fb6b77438a08fb667e170", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.39
[INFO] [stderr]    Compiling macro-compose v0.1.0
[INFO] [stderr]    Compiling macro-input-core v0.1.0
[INFO] [stderr]    Compiling macro-input-macros v0.1.0
[INFO] [stderr]     Checking macro-input v0.1.0
[INFO] [stderr]  Documenting async-trait-ext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "7238c8882ce16646b15c027fde4f77ecd7816cb3e09fb6b77438a08fb667e170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7238c8882ce16646b15c027fde4f77ecd7816cb3e09fb6b77438a08fb667e170", kill_on_drop: false }`
[INFO] [stdout] 7238c8882ce16646b15c027fde4f77ecd7816cb3e09fb6b77438a08fb667e170