[INFO] cloning repository https://github.com/rajputrajat/proc_macro_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajputrajat/proc_macro_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fproc_macro_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fproc_macro_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab8a2a3c6c6f5dfeeb8153c6d56bf835af922527
[INFO] documenting rajputrajat/proc_macro_example against master#ef324565d071c6d7e2477a195648549e33d6a465 for pr-121659-bump-pulldown-cmark
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fproc_macro_example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajputrajat/proc_macro_example on toolchain ef324565d071c6d7e2477a195648549e33d6a465
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef324565d071c6d7e2477a195648549e33d6a465" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rajputrajat/proc_macro_example
[INFO] finished tweaking git repo https://github.com/rajputrajat/proc_macro_example
[INFO] tweaked toml for git repo https://github.com/rajputrajat/proc_macro_example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rajputrajat/proc_macro_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ef324565d071c6d7e2477a195648549e33d6a465" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] documenting rajputrajat/proc_macro_example against try#223112bf1ca31911a6475910c77b36bfa127d5f8 for pr-121659-bump-pulldown-cmark
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajputrajat%2Fproc_macro_example" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajputrajat/proc_macro_example on toolchain 223112bf1ca31911a6475910c77b36bfa127d5f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rajputrajat/proc_macro_example
[INFO] finished tweaking git repo https://github.com/rajputrajat/proc_macro_example
[INFO] tweaked toml for git repo https://github.com/rajputrajat/proc_macro_example written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rajputrajat/proc_macro_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e3db339f02d44b1179716900aa073dc0dc4fe1e2f1e77f1d088362b1338568
[INFO] running `Command { std: "docker" "start" "-a" "a0e3db339f02d44b1179716900aa073dc0dc4fe1e2f1e77f1d088362b1338568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e3db339f02d44b1179716900aa073dc0dc4fe1e2f1e77f1d088362b1338568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e3db339f02d44b1179716900aa073dc0dc4fe1e2f1e77f1d088362b1338568", kill_on_drop: false }`
[INFO] [stdout] a0e3db339f02d44b1179716900aa073dc0dc4fe1e2f1e77f1d088362b1338568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daa2dda35a5d8e7141a09f5f5e31cebdd91638cda199d3ce14977a374c562d3d
[INFO] running `Command { std: "docker" "start" "-a" "daa2dda35a5d8e7141a09f5f5e31cebdd91638cda199d3ce14977a374c562d3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking crate_for_bin v0.1.0 (/opt/rustwide/workdir/crate_for_bin)
[INFO] [stderr]  Documenting crate_for_bin v0.1.0 (/opt/rustwide/workdir/crate_for_bin)
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]  Documenting proc_macro_lib v0.1.0 (/opt/rustwide/workdir/proc_macro_lib)
[INFO] [stderr]    Compiling proc_macro_lib v0.1.0 (/opt/rustwide/workdir/proc_macro_lib)
[INFO] [stderr]  Documenting check v0.1.0 (/opt/rustwide/workdir/check)
[INFO] [stdout] attr: ""
[INFO] [stdout] item: "fn invoke1() {}"
[INFO] [stdout] attr: "bar"
[INFO] [stdout] item: "fn invoke2() {}"
[INFO] [stdout] attr: "multiple => tokens"
[INFO] [stdout] item: "fn invoke3() {}"
[INFO] [stdout] attr: "delimiters"
[INFO] [stdout] item: "fn invoke4() {}"
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/check/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/crate_for_bin/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/proc_macro_lib/index.html
[INFO] running `Command { std: "docker" "inspect" "daa2dda35a5d8e7141a09f5f5e31cebdd91638cda199d3ce14977a374c562d3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa2dda35a5d8e7141a09f5f5e31cebdd91638cda199d3ce14977a374c562d3d", kill_on_drop: false }`
[INFO] [stdout] daa2dda35a5d8e7141a09f5f5e31cebdd91638cda199d3ce14977a374c562d3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+223112bf1ca31911a6475910c77b36bfa127d5f8" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a325565d8dd4ccbaf76db5e4c04993b2549c9cc7707f384d2aad81e4a66a8f
[INFO] running `Command { std: "docker" "start" "-a" "64a325565d8dd4ccbaf76db5e4c04993b2549c9cc7707f384d2aad81e4a66a8f", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "64a325565d8dd4ccbaf76db5e4c04993b2549c9cc7707f384d2aad81e4a66a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a325565d8dd4ccbaf76db5e4c04993b2549c9cc7707f384d2aad81e4a66a8f", kill_on_drop: false }`
[INFO] [stdout] 64a325565d8dd4ccbaf76db5e4c04993b2549c9cc7707f384d2aad81e4a66a8f