[INFO] cloning repository https://github.com/fdrinck/scope_graph_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fdrinck/scope_graph_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdrinck%2Fscope_graph_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdrinck%2Fscope_graph_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6865d08321c4cea290e19a685d1de5aa7891c076
[INFO] documenting fdrinck/scope_graph_experiment against 1.99.0-beta.1 for beta-rustdoc-1.99-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdrinck%2Fscope_graph_experiment" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdrinck/scope_graph_experiment
[INFO] finished tweaking git repo https://github.com/fdrinck/scope_graph_experiment
[INFO] tweaked toml for git repo https://github.com/fdrinck/scope_graph_experiment written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdrinck/scope_graph_experiment on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdrinck/scope_graph_experiment 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting fdrinck/scope_graph_experiment against 1.99.0-beta.1 for beta-rustdoc-1.99-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffdrinck%2Fscope_graph_experiment" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fdrinck/scope_graph_experiment
[INFO] finished tweaking git repo https://github.com/fdrinck/scope_graph_experiment
[INFO] tweaked toml for git repo https://github.com/fdrinck/scope_graph_experiment written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fdrinck/scope_graph_experiment on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fdrinck/scope_graph_experiment 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" "+1.99.0-beta.1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string-interner v0.20.0
[INFO] [stderr]   Downloaded rowan v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089
[INFO] running `Command { std: "docker" "start" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]     Checking rowan v0.17.0
[INFO] [stderr]     Checking string-interner v0.20.0
[INFO] [stderr]  Documenting compiledbtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/compiledbtest/index.html
[INFO] running `Command { std: "docker" "inspect" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089", kill_on_drop: false }`
[INFO] [stdout] 6e0b01e5148fa430bdfbb0850f02bf7358ee392845a93a17d84add4444056089
