[INFO] fetching crate mstak 0.5.6...
[INFO] checking mstak-0.5.6 against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] extracting crate mstak 0.5.6 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mstak 0.5.6 on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mstak 0.5.6
[INFO] finished tweaking crates.io crate mstak 0.5.6
[INFO] tweaked toml for crates.io crate mstak 0.5.6 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mstak 0.5.6 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-util v0.10.6
[INFO] [stderr]   Downloaded stak-sac v0.10.6
[INFO] [stderr]   Downloaded stak-vm v0.10.6
[INFO] [stderr]   Downloaded stak-time v0.10.6
[INFO] [stderr]   Downloaded stak-native v0.10.6
[INFO] [stderr]   Downloaded stak-inexact v0.10.6
[INFO] [stderr]   Downloaded stak-macro v0.10.6
[INFO] [stderr]   Downloaded stak-file v0.10.6
[INFO] [stderr]   Downloaded stak-process-context v0.10.6
[INFO] [stderr]   Downloaded stak-r7rs v0.10.6
[INFO] [stderr]   Downloaded cfg-elif v0.6.3
[INFO] [stderr]   Downloaded stak-configuration v0.10.6
[INFO] [stderr]   Downloaded stak-device v0.10.6
[INFO] [stderr]   Downloaded stak-macro-util v0.10.6
[INFO] [stderr]   Downloaded stak-compiler v0.10.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc281dbb5350431f04ce1f17ad6f248e372d76b05df46bc555ca5837db791f0
[INFO] running `Command { std: "docker" "start" "-a" "8cc281dbb5350431f04ce1f17ad6f248e372d76b05df46bc555ca5837db791f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc281dbb5350431f04ce1f17ad6f248e372d76b05df46bc555ca5837db791f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc281dbb5350431f04ce1f17ad6f248e372d76b05df46bc555ca5837db791f0", kill_on_drop: false }`
[INFO] [stdout] 8cc281dbb5350431f04ce1f17ad6f248e372d76b05df46bc555ca5837db791f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07bcc71f0486eaf452841dc0d5427952c75bf04025953cb11d9ae5d71b98bd6c
[INFO] running `Command { std: "docker" "start" "-a" "07bcc71f0486eaf452841dc0d5427952c75bf04025953cb11d9ae5d71b98bd6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.2
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling cfg-elif v0.6.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.2
[INFO] [stderr]    Compiling stak-compiler v0.10.6
[INFO] [stderr]    Compiling stak-vm v0.10.6
[INFO] [stderr]    Compiling stak-configuration v0.10.6
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]     Checking stak-native v0.10.6
[INFO] [stderr]     Checking stak-process-context v0.10.6
[INFO] [stderr]    Compiling stak-device v0.10.6
[INFO] [stderr]    Compiling stak-time v0.10.6
[INFO] [stderr]    Compiling stak-inexact v0.10.6
[INFO] [stderr]    Compiling stak-file v0.10.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling stak-r7rs v0.10.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking stak-util v0.10.6
[INFO] [stderr]    Compiling stak-macro-util v0.10.6
[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/75530e9f72a1990ed2305e16fd51d02f47048f12/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=7717d94b8d543c58 -C extra-filename=-b745f5b9a2ba53d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-98b94aec1df8d08e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a2bed3f2ec3b2984.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-09b1a6adbd38f87a.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "07bcc71f0486eaf452841dc0d5427952c75bf04025953cb11d9ae5d71b98bd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bcc71f0486eaf452841dc0d5427952c75bf04025953cb11d9ae5d71b98bd6c", kill_on_drop: false }`
[INFO] [stdout] 07bcc71f0486eaf452841dc0d5427952c75bf04025953cb11d9ae5d71b98bd6c