[INFO] fetching crate async_cell 0.2.2...
[INFO] checking async_cell-0.2.2 against master#a9e7b30487235621751cc628f170c0f15fb215c4 for pr-136539
[INFO] extracting crate async_cell 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async_cell 0.2.2 on toolchain a9e7b30487235621751cc628f170c0f15fb215c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_cell 0.2.2
[INFO] finished tweaking crates.io crate async_cell 0.2.2
[INFO] tweaked toml for crates.io crate async_cell 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "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 76 packages to latest compatible versions
[INFO] [stderr]       Adding loom v0.5.6 (available: v0.7.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c1711ae33156364cff8a90bea3ac66b3ceaa12862be565101a56994e8f9d81a
[INFO] running `Command { std: "docker" "start" "-a" "2c1711ae33156364cff8a90bea3ac66b3ceaa12862be565101a56994e8f9d81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1711ae33156364cff8a90bea3ac66b3ceaa12862be565101a56994e8f9d81a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1711ae33156364cff8a90bea3ac66b3ceaa12862be565101a56994e8f9d81a", kill_on_drop: false }`
[INFO] [stdout] 2c1711ae33156364cff8a90bea3ac66b3ceaa12862be565101a56994e8f9d81a
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a9e7b30487235621751cc628f170c0f15fb215c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c42aac1d4d0054439d84f07ae7c0ce2b1290f9bb80a57d28d7b7b23ec7256ea8
[INFO] running `Command { std: "docker" "start" "-a" "c42aac1d4d0054439d84f07ae7c0ce2b1290f9bb80a57d28d7b7b23ec7256ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling cc v1.2.13
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking async_cell v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/internal.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub trait CellInner {
[INFO] [stdout]    |           --------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn new(value: State<Self::Value>) -> Self;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling generator v0.7.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/a9e7b30487235621751cc628f170c0f15fb215c4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=b38c89c5d11303bc -C extra-filename=-5986f3f226b2871f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f0e287c1d54fec0d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bd149706e69b9b9e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "c42aac1d4d0054439d84f07ae7c0ce2b1290f9bb80a57d28d7b7b23ec7256ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42aac1d4d0054439d84f07ae7c0ce2b1290f9bb80a57d28d7b7b23ec7256ea8", kill_on_drop: false }`
[INFO] [stdout] c42aac1d4d0054439d84f07ae7c0ce2b1290f9bb80a57d28d7b7b23ec7256ea8