[INFO] cloning repository https://github.com/zupzup/async-explorations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zupzup/async-explorations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzupzup%2Fasync-explorations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzupzup%2Fasync-explorations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eb3c7bf1eba181555e652d92f154b3df53a3af0
[INFO] checking zupzup/async-explorations against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzupzup%2Fasync-explorations" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zupzup/async-explorations
[INFO] finished tweaking git repo https://github.com/zupzup/async-explorations
[INFO] tweaked toml for git repo https://github.com/zupzup/async-explorations written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zupzup/async-explorations on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zupzup/async-explorations 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" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ce6aa6ceadd634ae966a3fc4fb2171f563ea39e9542e2cdfbe6c1164bdc2a9d
[INFO] running `Command { std: "docker" "start" "-a" "2ce6aa6ceadd634ae966a3fc4fb2171f563ea39e9542e2cdfbe6c1164bdc2a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce6aa6ceadd634ae966a3fc4fb2171f563ea39e9542e2cdfbe6c1164bdc2a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce6aa6ceadd634ae966a3fc4fb2171f563ea39e9542e2cdfbe6c1164bdc2a9d", kill_on_drop: false }`
[INFO] [stdout] 2ce6aa6ceadd634ae966a3fc4fb2171f563ea39e9542e2cdfbe6c1164bdc2a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949e3c3d53a05f86e494017992448e08a0dbcd75702edffcea010613ffaf762f
[INFO] running `Command { std: "docker" "start" "-a" "949e3c3d53a05f86e494017992448e08a0dbcd75702edffcea010613ffaf762f", kill_on_drop: false }`
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/async_task-6a989b872037dcaf.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/async-task-6a989b872037dcaf/dep-lib-async_task`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "949e3c3d53a05f86e494017992448e08a0dbcd75702edffcea010613ffaf762f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949e3c3d53a05f86e494017992448e08a0dbcd75702edffcea010613ffaf762f", kill_on_drop: false }`
[INFO] [stdout] 949e3c3d53a05f86e494017992448e08a0dbcd75702edffcea010613ffaf762f