[INFO] fetching crate syn-unnamed-struct 0.1.0...
[INFO] testing syn-unnamed-struct-0.1.0 against beta-2025-02-18 for beta-1.86-1
[INFO] extracting crate syn-unnamed-struct 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate syn-unnamed-struct 0.1.0 on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn-unnamed-struct 0.1.0
[INFO] finished tweaking crates.io crate syn-unnamed-struct 0.1.0
[INFO] tweaked toml for crates.io crate syn-unnamed-struct 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "generate-lockfile" "--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]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.98)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bd8c12ce0c5f6e56fa0861e6fcb1d4e355dda073d2303a2888530dd5ed324de
[INFO] running `Command { std: "docker" "start" "-a" "1bd8c12ce0c5f6e56fa0861e6fcb1d4e355dda073d2303a2888530dd5ed324de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bd8c12ce0c5f6e56fa0861e6fcb1d4e355dda073d2303a2888530dd5ed324de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd8c12ce0c5f6e56fa0861e6fcb1d4e355dda073d2303a2888530dd5ed324de", kill_on_drop: false }`
[INFO] [stdout] 1bd8c12ce0c5f6e56fa0861e6fcb1d4e355dda073d2303a2888530dd5ed324de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd27e5a93303f586d82bc36623e7acb93e25beffc4fd44213f030e5735edb9d9
[INFO] running `Command { std: "docker" "start" "-a" "bd27e5a93303f586d82bc36623e7acb93e25beffc4fd44213f030e5735edb9d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn-unnamed-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "bd27e5a93303f586d82bc36623e7acb93e25beffc4fd44213f030e5735edb9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd27e5a93303f586d82bc36623e7acb93e25beffc4fd44213f030e5735edb9d9", kill_on_drop: false }`
[INFO] [stdout] bd27e5a93303f586d82bc36623e7acb93e25beffc4fd44213f030e5735edb9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1e9a9488f7eeca48e8816c72a5d8aed9258a134fed02584b864b89a690a175
[INFO] running `Command { std: "docker" "start" "-a" "2c1e9a9488f7eeca48e8816c72a5d8aed9258a134fed02584b864b89a690a175", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn-unnamed-struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "2c1e9a9488f7eeca48e8816c72a5d8aed9258a134fed02584b864b89a690a175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1e9a9488f7eeca48e8816c72a5d8aed9258a134fed02584b864b89a690a175", kill_on_drop: false }`
[INFO] [stdout] 2c1e9a9488f7eeca48e8816c72a5d8aed9258a134fed02584b864b89a690a175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbf2322e4dbaab8ae82ccac74057657897324e565e2b3bddcb168ff8a9ecf822
[INFO] running `Command { std: "docker" "start" "-a" "dbf2322e4dbaab8ae82ccac74057657897324e565e2b3bddcb168ff8a9ecf822", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syn_unnamed_struct-f7eb543b44c0eae5)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test attr::tests::test_meta ... ok
[INFO] [stdout] test attr::tests::test_meta_unnamed_nested_list ... ok
[INFO] [stdout] test attr::tests::test_meta_unnamed_list ... ok
[INFO] [stdout] test attr::tests::test_meta_unnamed_struct ... ok
[INFO] [stdout] test expr::tests::test_attribute_nested ... ok
[INFO] [stdout] test attr::tests::test_meta_list ... ok
[INFO] [stdout] test expr::tests::test_attribute ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn_unnamed_struct
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: failed to create temporary directory: Custom { kind: StorageFull, error: PathError { path: "/tmp/rustdoctestX4ozrJ", err: Os { code: 28, kind: StorageFull, message: "No space left on device" } } }
[INFO] [stderr] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-02-18-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --color auto --crate-name syn_unnamed_struct --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-30cf70eaab9e266f.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-49a042a368794103.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-690ba1fc4ff105c0.rlib --extern syn_unnamed_struct=/opt/rustwide/target/debug/deps/libsyn_unnamed_struct-bde69face7916539.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "dbf2322e4dbaab8ae82ccac74057657897324e565e2b3bddcb168ff8a9ecf822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf2322e4dbaab8ae82ccac74057657897324e565e2b3bddcb168ff8a9ecf822", kill_on_drop: false }`
[INFO] [stdout] dbf2322e4dbaab8ae82ccac74057657897324e565e2b3bddcb168ff8a9ecf822