[INFO] fetching crate cargo-vs 0.1.2...
[INFO] testing cargo-vs-0.1.2 against beta-2025-09-21 for beta-1.91-2
[INFO] extracting crate cargo-vs 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cargo-vs 0.1.2
[INFO] finished tweaking crates.io crate cargo-vs 0.1.2
[INFO] tweaked toml for crates.io crate cargo-vs 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-vs 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-vs 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fa75de4d919e3dce7adb5ea5fe558c58f7628e8e866106631981f680d8a175b
[INFO] running `Command { std: "docker" "start" "-a" "1fa75de4d919e3dce7adb5ea5fe558c58f7628e8e866106631981f680d8a175b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fa75de4d919e3dce7adb5ea5fe558c58f7628e8e866106631981f680d8a175b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa75de4d919e3dce7adb5ea5fe558c58f7628e8e866106631981f680d8a175b", kill_on_drop: false }`
[INFO] [stdout] 1fa75de4d919e3dce7adb5ea5fe558c58f7628e8e866106631981f680d8a175b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55f324ab65f527cd1861f89e3457ac4c3e2aba4d4b4b2173bc6eb8b8030cea7
[INFO] running `Command { std: "docker" "start" "-a" "f55f324ab65f527cd1861f89e3457ac4c3e2aba4d4b4b2173bc6eb8b8030cea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[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/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.44/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="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=3b4c1e8655265d00 -C extra-filename=-ba3b7ea89469a6eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b5e3d4404ebab3fb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-39e686529fdcccc6.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-1b701a2825606e4e.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "f55f324ab65f527cd1861f89e3457ac4c3e2aba4d4b4b2173bc6eb8b8030cea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55f324ab65f527cd1861f89e3457ac4c3e2aba4d4b4b2173bc6eb8b8030cea7", kill_on_drop: false }`
[INFO] [stdout] f55f324ab65f527cd1861f89e3457ac4c3e2aba4d4b4b2173bc6eb8b8030cea7