[INFO] fetching crate hladikes-hello-world-demo-crate 0.1.0...
[INFO] building hladikes-hello-world-demo-crate-0.1.0 against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] extracting crate hladikes-hello-world-demo-crate 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate hladikes-hello-world-demo-crate 0.1.0 on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hladikes-hello-world-demo-crate 0.1.0
[INFO] finished tweaking crates.io crate hladikes-hello-world-demo-crate 0.1.0
[INFO] tweaked toml for crates.io crate hladikes-hello-world-demo-crate 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate hladikes-hello-world-demo-crate 0.1.0 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe1c2d5d1e722646ea7389d7abfb12472c04ff05d04783ec03f144e107f2889
[INFO] running `Command { std: "docker" "start" "-a" "7fe1c2d5d1e722646ea7389d7abfb12472c04ff05d04783ec03f144e107f2889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe1c2d5d1e722646ea7389d7abfb12472c04ff05d04783ec03f144e107f2889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe1c2d5d1e722646ea7389d7abfb12472c04ff05d04783ec03f144e107f2889", kill_on_drop: false }`
[INFO] [stdout] 7fe1c2d5d1e722646ea7389d7abfb12472c04ff05d04783ec03f144e107f2889
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f5c89ffc8d74d13dc1aada8efc92de8a052619f6318e3105b808f1361024ba9
[INFO] running `Command { std: "docker" "start" "-a" "7f5c89ffc8d74d13dc1aada8efc92de8a052619f6318e3105b808f1361024ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling hladikes-hello-world-demo-crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "7f5c89ffc8d74d13dc1aada8efc92de8a052619f6318e3105b808f1361024ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5c89ffc8d74d13dc1aada8efc92de8a052619f6318e3105b808f1361024ba9", kill_on_drop: false }`
[INFO] [stdout] 7f5c89ffc8d74d13dc1aada8efc92de8a052619f6318e3105b808f1361024ba9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61d9b649a1ea53433b28930f6e1a4d451c3e655f48e706483c0063a759a9f034
[INFO] running `Command { std: "docker" "start" "-a" "61d9b649a1ea53433b28930f6e1a4d451c3e655f48e706483c0063a759a9f034", kill_on_drop: false }`
[INFO] [stderr]    Compiling hladikes-hello-world-demo-crate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "61d9b649a1ea53433b28930f6e1a4d451c3e655f48e706483c0063a759a9f034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d9b649a1ea53433b28930f6e1a4d451c3e655f48e706483c0063a759a9f034", kill_on_drop: false }`
[INFO] [stdout] 61d9b649a1ea53433b28930f6e1a4d451c3e655f48e706483c0063a759a9f034
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.