[INFO] cloning repository https://github.com/pkgw/cranko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkgw/cranko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce65f27e42bef73007c1ad2bb0f596852efc56a0
[INFO] testing pkgw/cranko against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pkgw/cranko
[INFO] finished tweaking git repo https://github.com/pkgw/cranko
[INFO] tweaked toml for git repo https://github.com/pkgw/cranko written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pkgw/cranko 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 git repo https://github.com/pkgw/cranko 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] f96a6a8425fea0a7541c3f145aa4aa7533f540d1ec27c5306e44b66e0fea3ed4
[INFO] running `Command { std: "docker" "start" "-a" "f96a6a8425fea0a7541c3f145aa4aa7533f540d1ec27c5306e44b66e0fea3ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96a6a8425fea0a7541c3f145aa4aa7533f540d1ec27c5306e44b66e0fea3ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96a6a8425fea0a7541c3f145aa4aa7533f540d1ec27c5306e44b66e0fea3ed4", kill_on_drop: false }`
[INFO] [stdout] f96a6a8425fea0a7541c3f145aa4aa7533f540d1ec27c5306e44b66e0fea3ed4
[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] 72b43ebc7675bc62e20f9c59ec7b18ddbb5816725d11fd752b2cedc43ad1f19f
[INFO] running `Command { std: "docker" "start" "-a" "72b43ebc7675bc62e20f9c59ec7b18ddbb5816725d11fd752b2cedc43ad1f19f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling find-msvc-tools v0.1.8
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]    Compiling erased-serde v0.4.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling ipnet v2.11.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling rustls-native-certs v0.8.3
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling target-lexicon v0.13.4
[INFO] [stderr]    Compiling time-core v0.1.7
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling ryu v1.0.22
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling fsio v0.4.1
[INFO] [stderr]    Compiling zlib-rs v0.5.5
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling envmnt v0.10.4
[INFO] [stderr]    Compiling time v0.3.45
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling socket2 v0.6.2
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling cc v1.2.54
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling filetime v0.2.27
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling cargo-platform v0.3.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling typed-path v0.12.1
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling toml v0.9.11+spec-1.1.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling atomicwrites v0.4.4
[INFO] [stderr]    Compiling aws-lc-sys v0.37.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling libz-sys v1.1.23
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling libssh2-sys v0.3.1
[INFO] [stderr]    Compiling libgit2-sys v0.18.3+1.9.2
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling rand v0.8.5
[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=31d55f826b1343ca -C extra-filename=-6c8d762fc073f2c3 --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-e524a1bb7c3f3668.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] running `Command { std: "docker" "inspect" "72b43ebc7675bc62e20f9c59ec7b18ddbb5816725d11fd752b2cedc43ad1f19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b43ebc7675bc62e20f9c59ec7b18ddbb5816725d11fd752b2cedc43ad1f19f", kill_on_drop: false }`
[INFO] [stdout] 72b43ebc7675bc62e20f9c59ec7b18ddbb5816725d11fd752b2cedc43ad1f19f
