[INFO] cloning repository https://github.com/dezgeg/nix-rebuild-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dezgeg/nix-rebuild-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezgeg%2Fnix-rebuild-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezgeg%2Fnix-rebuild-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 909b97402dad8ecc95d96dc685e4024476819496
[INFO] testing dezgeg/nix-rebuild-stats against 1.64.0 for beta-1.65-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdezgeg%2Fnix-rebuild-stats" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dezgeg/nix-rebuild-stats on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dezgeg/nix-rebuild-stats
[INFO] finished tweaking git repo https://github.com/dezgeg/nix-rebuild-stats
[INFO] tweaked toml for git repo https://github.com/dezgeg/nix-rebuild-stats written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dezgeg/nix-rebuild-stats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.23
[INFO] [stderr]   Downloaded rustc-demangle v0.1.4
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] [stderr]   Downloaded from-ascii v0.0.1
[INFO] [stderr]   Downloaded quick-xml v0.6.2
[INFO] [stderr]   Downloaded encoding_rs v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15eddf2e5a18d3f6aaf6295da0641ff4a246c84a4bf514f020a726f554bbc271
[INFO] running `Command { std: "docker" "start" "-a" "15eddf2e5a18d3f6aaf6295da0641ff4a246c84a4bf514f020a726f554bbc271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15eddf2e5a18d3f6aaf6295da0641ff4a246c84a4bf514f020a726f554bbc271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15eddf2e5a18d3f6aaf6295da0641ff4a246c84a4bf514f020a726f554bbc271", kill_on_drop: false }`
[INFO] [stdout] 15eddf2e5a18d3f6aaf6295da0641ff4a246c84a4bf514f020a726f554bbc271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7aa1b2654c1fde387e5afd74f744fbc3595800f19fda021c0aa914d5504b34
[INFO] running `Command { std: "docker" "start" "-a" "8e7aa1b2654c1fde387e5afd74f744fbc3595800f19fda021c0aa914d5504b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling from-ascii v0.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling encoding_rs v0.5.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling quick-xml v0.6.2
[INFO] [stderr]    Compiling nix-rebuild-stats v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `drv_paths`
[INFO] [stdout]   --> src/main.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn build_dep_tree(drv_paths: Vec<String>) -> HashMap<String, Vec<String>> {
[INFO] [stdout]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_drv_paths`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "8e7aa1b2654c1fde387e5afd74f744fbc3595800f19fda021c0aa914d5504b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7aa1b2654c1fde387e5afd74f744fbc3595800f19fda021c0aa914d5504b34", kill_on_drop: false }`
[INFO] [stdout] 8e7aa1b2654c1fde387e5afd74f744fbc3595800f19fda021c0aa914d5504b34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b0f11741ac3a88070d1f071157ff9b015049cf09be821b37e147a5e2768375
[INFO] running `Command { std: "docker" "start" "-a" "78b0f11741ac3a88070d1f071157ff9b015049cf09be821b37e147a5e2768375", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "78b0f11741ac3a88070d1f071157ff9b015049cf09be821b37e147a5e2768375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b0f11741ac3a88070d1f071157ff9b015049cf09be821b37e147a5e2768375", kill_on_drop: false }`
[INFO] [stdout] 78b0f11741ac3a88070d1f071157ff9b015049cf09be821b37e147a5e2768375