[INFO] cloning repository https://github.com/mneumann/izhikevich-neurons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mneumann/izhikevich-neurons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fizhikevich-neurons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fizhikevich-neurons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 411798653535211cc605381564672436525ebe8d
[INFO] documenting mneumann/izhikevich-neurons against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fizhikevich-neurons" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/izhikevich-neurons on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/izhikevich-neurons
[INFO] finished tweaking git repo https://github.com/mneumann/izhikevich-neurons
[INFO] tweaked toml for git repo https://github.com/mneumann/izhikevich-neurons written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/izhikevich-neurons already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 844843d74fb8a04238c11941ad25a9d1003e9a8413df391e604c93746a954960
[INFO] running `Command { std: "docker" "start" "-a" "844843d74fb8a04238c11941ad25a9d1003e9a8413df391e604c93746a954960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "844843d74fb8a04238c11941ad25a9d1003e9a8413df391e604c93746a954960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844843d74fb8a04238c11941ad25a9d1003e9a8413df391e604c93746a954960", kill_on_drop: false }`
[INFO] [stdout] 844843d74fb8a04238c11941ad25a9d1003e9a8413df391e604c93746a954960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68862d320c8b4ee139b221c6d188777d181b16cd05f3bebe095e447846fa4598
[INFO] running `Command { std: "docker" "start" "-a" "68862d320c8b4ee139b221c6d188777d181b16cd05f3bebe095e447846fa4598", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting izhikevich-neurons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `reentry`
[INFO] [stdout]   --> src/model/neuron_config.rs:20:87
[INFO] [stdout]    |
[INFO] [stdout] 20 |     /// Generates an excitatory neuron configuration according to Izhikevich's paper [reentry]
[INFO] [stdout]    |                                                                                       ^^^^^^^ no item named `reentry` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "68862d320c8b4ee139b221c6d188777d181b16cd05f3bebe095e447846fa4598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68862d320c8b4ee139b221c6d188777d181b16cd05f3bebe095e447846fa4598", kill_on_drop: false }`
[INFO] [stdout] 68862d320c8b4ee139b221c6d188777d181b16cd05f3bebe095e447846fa4598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] cdba4f3b92f7a02f46f8fbeb2cb6800d9bdf598608b7987034c548c4ebe80a8e
[INFO] running `Command { std: "docker" "start" "-a" "cdba4f3b92f7a02f46f8fbeb2cb6800d9bdf598608b7987034c548c4ebe80a8e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting izhikevich-neurons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `reentry`
[INFO] [stdout]   --> src/model/neuron_config.rs:20:87
[INFO] [stdout]    |
[INFO] [stdout] 20 |     /// Generates an excitatory neuron configuration according to Izhikevich's paper [reentry]
[INFO] [stdout]    |                                                                                       ^^^^^^^ no item named `reentry` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "cdba4f3b92f7a02f46f8fbeb2cb6800d9bdf598608b7987034c548c4ebe80a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdba4f3b92f7a02f46f8fbeb2cb6800d9bdf598608b7987034c548c4ebe80a8e", kill_on_drop: false }`
[INFO] [stdout] cdba4f3b92f7a02f46f8fbeb2cb6800d9bdf598608b7987034c548c4ebe80a8e