[INFO] cloning repository https://github.com/syepes/dpingger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syepes/dpingger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyepes%2Fdpingger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyepes%2Fdpingger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c350c6eb7ef9f3cff9b7370198cebf3d71bb7c8
[INFO] documenting syepes/dpingger 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%2Fsyepes%2Fdpingger" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syepes/dpingger 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/syepes/dpingger
[INFO] finished tweaking git repo https://github.com/syepes/dpingger
[INFO] tweaked toml for git repo https://github.com/syepes/dpingger written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/syepes/dpingger 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7df4d76e9375bb91c353640c66ffeb1ea16349be19a8f089f0271e1f4d7d2279
[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" "7df4d76e9375bb91c353640c66ffeb1ea16349be19a8f089f0271e1f4d7d2279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7df4d76e9375bb91c353640c66ffeb1ea16349be19a8f089f0271e1f4d7d2279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df4d76e9375bb91c353640c66ffeb1ea16349be19a8f089f0271e1f4d7d2279", kill_on_drop: false }`
[INFO] [stdout] 7df4d76e9375bb91c353640c66ffeb1ea16349be19a8f089f0271e1f4d7d2279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 69b8ca06b42d56a39ae5ae42e670a0f6ca94ae1fdd50c5ff61a5de4db3213a2c
[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" "69b8ca06b42d56a39ae5ae42e670a0f6ca94ae1fdd50c5ff61a5de4db3213a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling standback v0.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stdout] error: expected identifier
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/time-macros-impl-0.1.0/src/lib.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |               pub fn $name(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 | / impl_macros! {
[INFO] [stdout] 91 | |     time: Time,
[INFO] [stdout] 92 | |     offset: Offset,
[INFO] [stdout] 93 | |     date: Date,
[INFO] [stdout] 94 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `time-macros-impl`.
[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" "69b8ca06b42d56a39ae5ae42e670a0f6ca94ae1fdd50c5ff61a5de4db3213a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b8ca06b42d56a39ae5ae42e670a0f6ca94ae1fdd50c5ff61a5de4db3213a2c", kill_on_drop: false }`
[INFO] [stdout] 69b8ca06b42d56a39ae5ae42e670a0f6ca94ae1fdd50c5ff61a5de4db3213a2c