[INFO] cloning repository https://github.com/softwheel/circuit-breaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softwheel/circuit-breaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/softwheel/circuit-breaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softwheel/circuit-breaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c676b4af2148dadc37fac28cc368e1a0dc5c468
[INFO] testing softwheel/circuit-breaker against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwheel%2Fcircuit-breaker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/softwheel/circuit-breaker on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/softwheel/circuit-breaker
[INFO] finished tweaking git repo https://github.com/softwheel/circuit-breaker
[INFO] tweaked toml for git repo https://github.com/softwheel/circuit-breaker written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/softwheel/circuit-breaker 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4232cc8c862e1aa04de93701306bc6b59a661d2f11b1403f678a9c3de9073f9e
[INFO] running `Command { std: "docker" "start" "-a" "4232cc8c862e1aa04de93701306bc6b59a661d2f11b1403f678a9c3de9073f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4232cc8c862e1aa04de93701306bc6b59a661d2f11b1403f678a9c3de9073f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4232cc8c862e1aa04de93701306bc6b59a661d2f11b1403f678a9c3de9073f9e", kill_on_drop: false }`
[INFO] [stdout] 4232cc8c862e1aa04de93701306bc6b59a661d2f11b1403f678a9c3de9073f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c01b34ad707f4561466356ae4a0c20a16331287d51a6d3163792bebf8e883e7
[INFO] running `Command { std: "docker" "start" "-a" "3c01b34ad707f4561466356ae4a0c20a16331287d51a6d3163792bebf8e883e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling circuit-breaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_call_permitted` is never used
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait CircuitBreaker {
[INFO] [stdout]    |       -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn is_call_permitted(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "3c01b34ad707f4561466356ae4a0c20a16331287d51a6d3163792bebf8e883e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c01b34ad707f4561466356ae4a0c20a16331287d51a6d3163792bebf8e883e7", kill_on_drop: false }`
[INFO] [stdout] 3c01b34ad707f4561466356ae4a0c20a16331287d51a6d3163792bebf8e883e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddf642ed29c13df0f548e8141f501d5cbccd172e1fc3af365f39e8ee77659c54
[INFO] running `Command { std: "docker" "start" "-a" "ddf642ed29c13df0f548e8141f501d5cbccd172e1fc3af365f39e8ee77659c54", kill_on_drop: false }`
[INFO] [stderr]    Compiling circuit-breaker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_call_permitted` is never used
[INFO] [stdout]   --> src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | trait CircuitBreaker {
[INFO] [stdout]    |       -------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn is_call_permitted(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ddf642ed29c13df0f548e8141f501d5cbccd172e1fc3af365f39e8ee77659c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf642ed29c13df0f548e8141f501d5cbccd172e1fc3af365f39e8ee77659c54", kill_on_drop: false }`
[INFO] [stdout] ddf642ed29c13df0f548e8141f501d5cbccd172e1fc3af365f39e8ee77659c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28
[INFO] running `Command { std: "docker" "start" "-a" "5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28", kill_on_drop: false }`
[INFO] [stdout] 5b6a71e52771e90618581f9d7b8922f7d6b88e0d4471b462c3249b2d07bc2e28