[INFO] fetching crate serde-struct-tuple-proc-macro 0.1.2...
[INFO] building serde-struct-tuple-proc-macro-0.1.2 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate serde-struct-tuple-proc-macro 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate serde-struct-tuple-proc-macro 0.1.2 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde-struct-tuple-proc-macro 0.1.2
[INFO] finished tweaking crates.io crate serde-struct-tuple-proc-macro 0.1.2
[INFO] tweaked toml for crates.io crate serde-struct-tuple-proc-macro 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate serde-struct-tuple-proc-macro 0.1.2 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 652c1cc196d0dbdd3f0ede9b0ffe11635168c714f68fcd3e32bdc129b14f4d95
[INFO] running `Command { std: "docker" "start" "-a" "652c1cc196d0dbdd3f0ede9b0ffe11635168c714f68fcd3e32bdc129b14f4d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "652c1cc196d0dbdd3f0ede9b0ffe11635168c714f68fcd3e32bdc129b14f4d95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "652c1cc196d0dbdd3f0ede9b0ffe11635168c714f68fcd3e32bdc129b14f4d95", kill_on_drop: false }`
[INFO] [stdout] 652c1cc196d0dbdd3f0ede9b0ffe11635168c714f68fcd3e32bdc129b14f4d95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f6620b0d0b3bf2fd4d07878cb034ff9c4f8d82cbb3e783def93c76ebd721a8
[INFO] running `Command { std: "docker" "start" "-a" "72f6620b0d0b3bf2fd4d07878cb034ff9c4f8d82cbb3e783def93c76ebd721a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta3HhAut"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72f6620b0d0b3bf2fd4d07878cb034ff9c4f8d82cbb3e783def93c76ebd721a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f6620b0d0b3bf2fd4d07878cb034ff9c4f8d82cbb3e783def93c76ebd721a8", kill_on_drop: false }`
[INFO] [stdout] 72f6620b0d0b3bf2fd4d07878cb034ff9c4f8d82cbb3e783def93c76ebd721a8