[INFO] cloning repository https://github.com/heycam/wg-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heycam/wg-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/heycam/wg-tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heycam/wg-tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 823b6624fb63268d53241e624042fe1510d7c215
[INFO] checking heycam/wg-tracker against master#fd17deacce374a4185c882795be162e17b557050 for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheycam%2Fwg-tracker" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heycam/wg-tracker on toolchain fd17deacce374a4185c882795be162e17b557050
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heycam/wg-tracker
[INFO] finished tweaking git repo https://github.com/heycam/wg-tracker
[INFO] tweaked toml for git repo https://github.com/heycam/wg-tracker written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/heycam/wg-tracker 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" "+fd17deacce374a4185c882795be162e17b557050" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typetag v0.1.2
[INFO] [stderr]   Downloaded typetag-impl v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.18
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.13
[INFO] [stderr]   Downloaded graphql-parser v0.2.2
[INFO] [stderr]   Downloaded reqwest v0.9.15
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded cookie_store v0.5.1
[INFO] [stderr]   Downloaded tokio-sync v0.1.4
[INFO] [stderr]   Downloaded graphql_client v0.7.0
[INFO] [stderr]   Downloaded graphql_query_derive v0.7.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef62964daa0781e4da361a3151327810b51224b7a7a775bd8bfb4b7dc8421794
[INFO] running `Command { std: "docker" "start" "-a" "ef62964daa0781e4da361a3151327810b51224b7a7a775bd8bfb4b7dc8421794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef62964daa0781e4da361a3151327810b51224b7a7a775bd8bfb4b7dc8421794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef62964daa0781e4da361a3151327810b51224b7a7a775bd8bfb4b7dc8421794", kill_on_drop: false }`
[INFO] [stdout] ef62964daa0781e4da361a3151327810b51224b7a7a775bd8bfb4b7dc8421794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+fd17deacce374a4185c882795be162e17b557050" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb62e5784bc16c9252eab7f62779272aeb191594aaae49eb9aa2b0f43bd7ffb3
[INFO] running `Command { std: "docker" "start" "-a" "eb62e5784bc16c9252eab7f62779272aeb191594aaae49eb9aa2b0f43bd7ffb3", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/unicode-segmentation-91c19577d4023252`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "eb62e5784bc16c9252eab7f62779272aeb191594aaae49eb9aa2b0f43bd7ffb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb62e5784bc16c9252eab7f62779272aeb191594aaae49eb9aa2b0f43bd7ffb3", kill_on_drop: false }`
[INFO] [stdout] eb62e5784bc16c9252eab7f62779272aeb191594aaae49eb9aa2b0f43bd7ffb3