[INFO] cloning repository https://github.com/gosuwachu/latency-simulator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gosuwachu/latency-simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgosuwachu%2Flatency-simulator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgosuwachu%2Flatency-simulator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef056ffd9a7e9eecbb4a67301ba3fcd8f1b50d78 [INFO] documenting gosuwachu/latency-simulator against beta-2026-04-21 for beta-1.96-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgosuwachu%2Flatency-simulator" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gosuwachu/latency-simulator [INFO] finished tweaking git repo https://github.com/gosuwachu/latency-simulator [INFO] tweaked toml for git repo https://github.com/gosuwachu/latency-simulator written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gosuwachu/latency-simulator on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gosuwachu/latency-simulator 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" "+beta-2026-04-21" "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 gosuwachu/latency-simulator against beta-2026-04-21 for beta-1.96-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgosuwachu%2Flatency-simulator" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/gosuwachu/latency-simulator [INFO] finished tweaking git repo https://github.com/gosuwachu/latency-simulator [INFO] tweaked toml for git repo https://github.com/gosuwachu/latency-simulator written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/gosuwachu/latency-simulator on toolchain beta-2026-04-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/gosuwachu/latency-simulator 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" "+beta-2026-04-21" "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 ncurses v5.101.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fdf79d4b619c96968a6bfb8e01dbab9feb421a3fc1ceaa398e57db13c8b9e701 [INFO] running `Command { std: "docker" "start" "-a" "fdf79d4b619c96968a6bfb8e01dbab9feb421a3fc1ceaa398e57db13c8b9e701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fdf79d4b619c96968a6bfb8e01dbab9feb421a3fc1ceaa398e57db13c8b9e701", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdf79d4b619c96968a6bfb8e01dbab9feb421a3fc1ceaa398e57db13c8b9e701", kill_on_drop: false }` [INFO] [stdout] fdf79d4b619c96968a6bfb8e01dbab9feb421a3fc1ceaa398e57db13c8b9e701 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f2404d93fc328145709029ffcb34068dfb22da514349c58a6f5b54d77e709ad [INFO] running `Command { std: "docker" "start" "-a" "0f2404d93fc328145709029ffcb34068dfb22da514349c58a6f5b54d77e709ad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.149 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking clap_builder v4.4.6 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling ncurses v5.101.0 [INFO] [stderr] Checking clap v4.4.6 [INFO] [stderr] Documenting latency-simulator v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s [INFO] [stderr] Generated /opt/rustwide/target/doc/latency_simulator/index.html [INFO] running `Command { std: "docker" "inspect" "0f2404d93fc328145709029ffcb34068dfb22da514349c58a6f5b54d77e709ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f2404d93fc328145709029ffcb34068dfb22da514349c58a6f5b54d77e709ad", kill_on_drop: false }` [INFO] [stdout] 0f2404d93fc328145709029ffcb34068dfb22da514349c58a6f5b54d77e709ad