[INFO] fetching crate spack-rs 0.0.8...
[INFO] testing spack-rs-0.0.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate spack-rs 0.0.8 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate spack-rs 0.0.8
[INFO] finished tweaking crates.io crate spack-rs 0.0.8
[INFO] tweaked toml for crates.io crate spack-rs 0.0.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spack-rs 0.0.8 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spack-rs 0.0.8 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5033f5d954479c8c5711adb3e0f61779ae5a184660f15a627d75b87b49712f
[INFO] running `Command { std: "docker" "start" "-a" "de5033f5d954479c8c5711adb3e0f61779ae5a184660f15a627d75b87b49712f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5033f5d954479c8c5711adb3e0f61779ae5a184660f15a627d75b87b49712f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5033f5d954479c8c5711adb3e0f61779ae5a184660f15a627d75b87b49712f", kill_on_drop: false }`
[INFO] [stdout] de5033f5d954479c8c5711adb3e0f61779ae5a184660f15a627d75b87b49712f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30efee9c736a27d5ceea1458c50f878cef1cb94d16d05220b4eed50aa9ecb3ff
[INFO] running `Command { std: "docker" "start" "-a" "30efee9c736a27d5ceea1458c50f878cef1cb94d16d05220b4eed50aa9ecb3ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.25
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling event-listener v4.0.0
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling async-lock v3.1.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling futures-lite v2.0.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling tokio v1.33.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling target-spec v3.4.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cfg-expr v0.18.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling eyre v0.6.9
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.2/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=0b65a05920fd5954 -C extra-filename=-18a1fa116fbff4c2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "30efee9c736a27d5ceea1458c50f878cef1cb94d16d05220b4eed50aa9ecb3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30efee9c736a27d5ceea1458c50f878cef1cb94d16d05220b4eed50aa9ecb3ff", kill_on_drop: false }`
[INFO] [stdout] 30efee9c736a27d5ceea1458c50f878cef1cb94d16d05220b4eed50aa9ecb3ff
