[INFO] cloning repository https://github.com/na-go/understanding_ownership
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/na-go/understanding_ownership" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-go%2Funderstanding_ownership", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-go%2Funderstanding_ownership'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6a52ea1f3bf770f04fedf9e44e02a92dc40f674
[INFO] testing na-go/understanding_ownership against try#61cd42370816fd135c0f3b9debf2f5dfcf194594 for pr-98839
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fna-go%2Funderstanding_ownership" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/na-go/understanding_ownership on toolchain 61cd42370816fd135c0f3b9debf2f5dfcf194594
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/na-go/understanding_ownership
[INFO] finished tweaking git repo https://github.com/na-go/understanding_ownership
[INFO] tweaked toml for git repo https://github.com/na-go/understanding_ownership written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/na-go/understanding_ownership already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9038e49f2ed366344d5067c182da8805b6b849a6946c94470a761748d17dd9b9
[INFO] running `Command { std: "docker" "start" "-a" "9038e49f2ed366344d5067c182da8805b6b849a6946c94470a761748d17dd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9038e49f2ed366344d5067c182da8805b6b849a6946c94470a761748d17dd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9038e49f2ed366344d5067c182da8805b6b849a6946c94470a761748d17dd9b9", kill_on_drop: false }`
[INFO] [stdout] 9038e49f2ed366344d5067c182da8805b6b849a6946c94470a761748d17dd9b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7136cc457088a21a7eb02f961c272a0440d324829055e96b268d9254d84ff3df
[INFO] running `Command { std: "docker" "start" "-a" "7136cc457088a21a7eb02f961c272a0440d324829055e96b268d9254d84ff3df", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "7136cc457088a21a7eb02f961c272a0440d324829055e96b268d9254d84ff3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7136cc457088a21a7eb02f961c272a0440d324829055e96b268d9254d84ff3df", kill_on_drop: false }`
[INFO] [stdout] 7136cc457088a21a7eb02f961c272a0440d324829055e96b268d9254d84ff3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05236dc931052d37f8697d544d4a77d3189b6d3c3aecce6b5fadd9957a8ef394
[INFO] running `Command { std: "docker" "start" "-a" "05236dc931052d37f8697d544d4a77d3189b6d3c3aecce6b5fadd9957a8ef394", kill_on_drop: false }`
[INFO] [stderr]    Compiling understanding_ownership v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "05236dc931052d37f8697d544d4a77d3189b6d3c3aecce6b5fadd9957a8ef394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05236dc931052d37f8697d544d4a77d3189b6d3c3aecce6b5fadd9957a8ef394", kill_on_drop: false }`
[INFO] [stdout] 05236dc931052d37f8697d544d4a77d3189b6d3c3aecce6b5fadd9957a8ef394
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+61cd42370816fd135c0f3b9debf2f5dfcf194594" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df88ee18fb31ef75f5300d7be235a40adb1dacf7400c6a6c37aece03e67b6acb
[INFO] running `Command { std: "docker" "start" "-a" "df88ee18fb31ef75f5300d7be235a40adb1dacf7400c6a6c37aece03e67b6acb", 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" "df88ee18fb31ef75f5300d7be235a40adb1dacf7400c6a6c37aece03e67b6acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df88ee18fb31ef75f5300d7be235a40adb1dacf7400c6a6c37aece03e67b6acb", kill_on_drop: false }`
[INFO] [stdout] df88ee18fb31ef75f5300d7be235a40adb1dacf7400c6a6c37aece03e67b6acb