[INFO] cloning repository https://github.com/kbknapp/cargo-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbknapp/cargo-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fcargo-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbknapp%2Fcargo-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d895af1b7840c7ae8eddaf4e990bfa594c22ba01
[INFO] documenting kbknapp/cargo-graph 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%2Fkbknapp%2Fcargo-graph" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kbknapp/cargo-graph 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/kbknapp/cargo-graph
[INFO] finished tweaking git repo https://github.com/kbknapp/cargo-graph
[INFO] tweaked toml for git repo https://github.com/kbknapp/cargo-graph written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kbknapp/cargo-graph 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 clap v2.11.3
[INFO] [stderr]   Downloaded clippy v0.0.88
[INFO] [stderr]   Downloaded clippy_lints v0.0.88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1c6ce39210b3896a6f4e2b2f48fc78647e7948bb9643442dbf91bfedcaa0592a
[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" "1c6ce39210b3896a6f4e2b2f48fc78647e7948bb9643442dbf91bfedcaa0592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6ce39210b3896a6f4e2b2f48fc78647e7948bb9643442dbf91bfedcaa0592a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6ce39210b3896a6f4e2b2f48fc78647e7948bb9643442dbf91bfedcaa0592a", kill_on_drop: false }`
[INFO] [stdout] 1c6ce39210b3896a6f4e2b2f48fc78647e7948bb9643442dbf91bfedcaa0592a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d04615cc96bc662732c9de5095a2af60aed7ebebe8fdbee5b9cf12ed98624f31
[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" "d04615cc96bc662732c9de5095a2af60aed7ebebe8fdbee5b9cf12ed98624f31", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking clap v2.11.3
[INFO] [stdout] error: missing fragment specifier
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.11.3/src/macros.rs:506:41
[INFO] [stdout]     |
[INFO] [stdout] 506 |     (@arg ($arg:expr) $modes:tt !$ident $($tail:tt)*) => {
[INFO] [stdout]     |                                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d04615cc96bc662732c9de5095a2af60aed7ebebe8fdbee5b9cf12ed98624f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04615cc96bc662732c9de5095a2af60aed7ebebe8fdbee5b9cf12ed98624f31", kill_on_drop: false }`
[INFO] [stdout] d04615cc96bc662732c9de5095a2af60aed7ebebe8fdbee5b9cf12ed98624f31