[INFO] fetching crate zng-env-proc-macros 0.3.0...
[INFO] checking zng-env-proc-macros-0.3.0 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] extracting crate zng-env-proc-macros 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate zng-env-proc-macros 0.3.0 on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zng-env-proc-macros 0.3.0
[INFO] finished tweaking crates.io crate zng-env-proc-macros 0.3.0
[INFO] tweaked toml for crates.io crate zng-env-proc-macros 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate zng-env-proc-macros 0.3.0 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "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-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a834bc3bdcbcc27a52f13f0dba107a9b249426168367e0f4b2eceb3bd25f3eb3
[INFO] running `Command { std: "docker" "start" "-a" "a834bc3bdcbcc27a52f13f0dba107a9b249426168367e0f4b2eceb3bd25f3eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a834bc3bdcbcc27a52f13f0dba107a9b249426168367e0f4b2eceb3bd25f3eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a834bc3bdcbcc27a52f13f0dba107a9b249426168367e0f4b2eceb3bd25f3eb3", kill_on_drop: false }`
[INFO] [stdout] a834bc3bdcbcc27a52f13f0dba107a9b249426168367e0f4b2eceb3bd25f3eb3
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ecd7824d0b08bd85a797d4f87494e91e07bc24d0b9ef577712b8af1b361d16d
[INFO] running `Command { std: "docker" "start" "-a" "2ecd7824d0b08bd85a797d4f87494e91e07bc24d0b9ef577712b8af1b361d16d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaTLAZZe/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" "2ecd7824d0b08bd85a797d4f87494e91e07bc24d0b9ef577712b8af1b361d16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecd7824d0b08bd85a797d4f87494e91e07bc24d0b9ef577712b8af1b361d16d", kill_on_drop: false }`
[INFO] [stdout] 2ecd7824d0b08bd85a797d4f87494e91e07bc24d0b9ef577712b8af1b361d16d