[INFO] fetching crate rust_decouple_derive 0.2.0...
[INFO] checking rust_decouple_derive-0.2.0 against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] extracting crate rust_decouple_derive 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rust_decouple_derive 0.2.0 on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_decouple_derive 0.2.0
[INFO] finished tweaking crates.io crate rust_decouple_derive 0.2.0
[INFO] tweaked toml for crates.io crate rust_decouple_derive 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7442c3d991e76368ff0d69a523c62fd0dc4dc44bf3602fa4f44c066e2fd1e2d
[INFO] running `Command { std: "docker" "start" "-a" "a7442c3d991e76368ff0d69a523c62fd0dc4dc44bf3602fa4f44c066e2fd1e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7442c3d991e76368ff0d69a523c62fd0dc4dc44bf3602fa4f44c066e2fd1e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7442c3d991e76368ff0d69a523c62fd0dc4dc44bf3602fa4f44c066e2fd1e2d", kill_on_drop: false }`
[INFO] [stdout] a7442c3d991e76368ff0d69a523c62fd0dc4dc44bf3602fa4f44c066e2fd1e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 916f1bdb150b86bdd7647e96d9f7e575c60ccc91a1daf741aa7fe7c62f3f5286
[INFO] running `Command { std: "docker" "start" "-a" "916f1bdb150b86bdd7647e96d9f7e575c60ccc91a1daf741aa7fe7c62f3f5286", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]     Checking unicode-ident v1.0.17
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.98
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/syn-d3d64c6ce5c9e963.d`: 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" "916f1bdb150b86bdd7647e96d9f7e575c60ccc91a1daf741aa7fe7c62f3f5286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916f1bdb150b86bdd7647e96d9f7e575c60ccc91a1daf741aa7fe7c62f3f5286", kill_on_drop: false }`
[INFO] [stdout] 916f1bdb150b86bdd7647e96d9f7e575c60ccc91a1daf741aa7fe7c62f3f5286