[INFO] cloning repository https://github.com/AlexSherbinin/hyper-futures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexSherbinin/hyper-futures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexSherbinin%2Fhyper-futures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexSherbinin%2Fhyper-futures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] faeab613dc6a30a4439e0e29eedc13cd20693f63
[INFO] checking AlexSherbinin/hyper-futures against master#8387315ab3c26a57a1f53a90f188f0bc88514bca for pr-124605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexSherbinin%2Fhyper-futures" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexSherbinin/hyper-futures on toolchain 8387315ab3c26a57a1f53a90f188f0bc88514bca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexSherbinin/hyper-futures
[INFO] finished tweaking git repo https://github.com/AlexSherbinin/hyper-futures
[INFO] tweaked toml for git repo https://github.com/AlexSherbinin/hyper-futures written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexSherbinin/hyper-futures 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" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[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 value-bag v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+8387315ab3c26a57a1f53a90f188f0bc88514bca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 264422f9b170bcb0acb037d2b215949f6af983032bbd6cad7f79ba0abe8aff70
[INFO] running `Command { std: "docker" "start" "-a" "264422f9b170bcb0acb037d2b215949f6af983032bbd6cad7f79ba0abe8aff70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "264422f9b170bcb0acb037d2b215949f6af983032bbd6cad7f79ba0abe8aff70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "264422f9b170bcb0acb037d2b215949f6af983032bbd6cad7f79ba0abe8aff70", kill_on_drop: false }`
[INFO] [stdout] 264422f9b170bcb0acb037d2b215949f6af983032bbd6cad7f79ba0abe8aff70
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.