[INFO] fetching crate ruskel 0.0.11...
[INFO] testing ruskel-0.0.11 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate ruskel 0.0.11 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ruskel 0.0.11
[INFO] finished tweaking crates.io crate ruskel 0.0.11
[INFO] tweaked toml for crates.io crate ruskel 0.0.11 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruskel 0.0.11 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 ruskel 0.0.11 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4f5f4fb2e3feee85016a03be6ad899785d1f8ca6893801ebb4a5c0cf9176a237
[INFO] running `Command { std: "docker" "start" "-a" "4f5f4fb2e3feee85016a03be6ad899785d1f8ca6893801ebb4a5c0cf9176a237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f5f4fb2e3feee85016a03be6ad899785d1f8ca6893801ebb4a5c0cf9176a237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5f4fb2e3feee85016a03be6ad899785d1f8ca6893801ebb4a5c0cf9176a237", kill_on_drop: false }`
[INFO] [stdout] 4f5f4fb2e3feee85016a03be6ad899785d1f8ca6893801ebb4a5c0cf9176a237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3b4664806f5bba20f7914627b0acdc70ec66b63cef439e9ed1bf34f669de60e3
[INFO] running `Command { std: "docker" "start" "-a" "3b4664806f5bba20f7914627b0acdc70ec66b63cef439e9ed1bf34f669de60e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling gix-trace v0.1.17
[INFO] [stderr]    Compiling zlib-rs v0.5.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling jiff v0.2.18
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling faster-hex v0.10.0
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling prodash v30.0.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling gix-sec v0.12.2
[INFO] [stderr]    Compiling shell-words v1.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling curl v0.4.49
[INFO] [stderr]    Compiling sha1-checked v0.10.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling time-core v0.1.7
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling imara-diff v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling time v0.3.45
[INFO] [stderr]    Compiling clap_builder v4.5.54
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.11+1.64.0
[INFO] [stderr]    Compiling curl-sys v0.4.85+curl-8.18.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling libgit2-sys v0.18.3+1.9.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.35.0
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling gix-utils v0.3.1
[INFO] [stderr]    Compiling globset v0.4.18
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling arc-swap v1.8.0
[INFO] [stderr]    Compiling flate2 v1.1.8
[INFO] [stderr]    Compiling toml v0.9.11+spec-1.1.0
[INFO] [stderr] error: could not compile `syn` (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 syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=b8ec70a9a851780d -C extra-filename=-bc026053b53fc3cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-180412bed9fc519c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ab9e55986134d43d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-78d3da9d81f84e3e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jiff` (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 jiff --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/jiff-0.2.18/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_jiff)' --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="perf-inline"' --cfg 'feature="std"' --cfg 'feature="tz-fat"' --cfg 'feature="tz-system"' --cfg 'feature="tzdb-bundle-platform"' --cfg 'feature="tzdb-concatenated"' --cfg 'feature="tzdb-zoneinfo"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "js", "logging", "perf-inline", "serde", "static", "static-tz", "std", "tz-fat", "tz-system", "tzdb-bundle-always", "tzdb-bundle-platform", "tzdb-concatenated", "tzdb-zoneinfo"))' -C metadata=4dd5a1893905b122 -C extra-filename=-6d392f30186f861e --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] running `Command { std: "docker" "inspect" "3b4664806f5bba20f7914627b0acdc70ec66b63cef439e9ed1bf34f669de60e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4664806f5bba20f7914627b0acdc70ec66b63cef439e9ed1bf34f669de60e3", kill_on_drop: false }`
[INFO] [stdout] 3b4664806f5bba20f7914627b0acdc70ec66b63cef439e9ed1bf34f669de60e3
