[INFO] fetching crate proto-vulcan-macros 0.1.6...
[INFO] checking proto-vulcan-macros-0.1.6 against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] extracting crate proto-vulcan-macros 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate proto-vulcan-macros 0.1.6 on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proto-vulcan-macros 0.1.6
[INFO] finished tweaking crates.io crate proto-vulcan-macros 0.1.6
[INFO] tweaked toml for crates.io crate proto-vulcan-macros 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.100)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 202f6bf27a3b32bfd75b7d2c86bc523deee6a41e8d66095810e6095110b88090
[INFO] running `Command { std: "docker" "start" "-a" "202f6bf27a3b32bfd75b7d2c86bc523deee6a41e8d66095810e6095110b88090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "202f6bf27a3b32bfd75b7d2c86bc523deee6a41e8d66095810e6095110b88090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202f6bf27a3b32bfd75b7d2c86bc523deee6a41e8d66095810e6095110b88090", kill_on_drop: false }`
[INFO] [stdout] 202f6bf27a3b32bfd75b7d2c86bc523deee6a41e8d66095810e6095110b88090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc626ad0255df913a6ed1e62e99b8bc0d343d6af98640af9374c401e49c826cd
[INFO] running `Command { std: "docker" "start" "-a" "cc626ad0255df913a6ed1e62e99b8bc0d343d6af98640af9374c401e49c826cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetadpTdlz/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" "cc626ad0255df913a6ed1e62e99b8bc0d343d6af98640af9374c401e49c826cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc626ad0255df913a6ed1e62e99b8bc0d343d6af98640af9374c401e49c826cd", kill_on_drop: false }`
[INFO] [stdout] cc626ad0255df913a6ed1e62e99b8bc0d343d6af98640af9374c401e49c826cd