[INFO] fetching crate zon_middleware 0.0.6...
[INFO] checking zon_middleware-0.0.6 against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] extracting crate zon_middleware 0.0.6 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate zon_middleware 0.0.6
[INFO] finished tweaking crates.io crate zon_middleware 0.0.6
[INFO] tweaked toml for crates.io crate zon_middleware 0.0.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zon_middleware 0.0.6 on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zon_middleware 0.0.6 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zon_core v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51880aeaedb26128dcf99e4ac99ead7c01bc2db18b6b0989e817f6346bb9e79c
[INFO] running `Command { std: "docker" "start" "-a" "51880aeaedb26128dcf99e4ac99ead7c01bc2db18b6b0989e817f6346bb9e79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51880aeaedb26128dcf99e4ac99ead7c01bc2db18b6b0989e817f6346bb9e79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51880aeaedb26128dcf99e4ac99ead7c01bc2db18b6b0989e817f6346bb9e79c", kill_on_drop: false }`
[INFO] [stdout] 51880aeaedb26128dcf99e4ac99ead7c01bc2db18b6b0989e817f6346bb9e79c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bef6cf5fc78db91284e5bd64e1456f0d992c07e89b1909aaff23b75cbbe4d45
[INFO] running `Command { std: "docker" "start" "-a" "3bef6cf5fc78db91284e5bd64e1456f0d992c07e89b1909aaff23b75cbbe4d45", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking zon_core v0.0.4
[INFO] [stderr]     Checking zon_middleware v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: failed to write /tmp/rustckHg2q7/lib.rmeta: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3bef6cf5fc78db91284e5bd64e1456f0d992c07e89b1909aaff23b75cbbe4d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bef6cf5fc78db91284e5bd64e1456f0d992c07e89b1909aaff23b75cbbe4d45", kill_on_drop: false }`
[INFO] [stdout] 3bef6cf5fc78db91284e5bd64e1456f0d992c07e89b1909aaff23b75cbbe4d45