[INFO] cloning repository https://github.com/cxw620/greeting-svg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cxw620/greeting-svg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxw620%2Fgreeting-svg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcxw620%2Fgreeting-svg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58d81a14e6c4fc73f5815646c80ecd2f4facb6c2
[INFO] testing cxw620/greeting-svg 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%2Fcxw620%2Fgreeting-svg" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cxw620/greeting-svg
[INFO] finished tweaking git repo https://github.com/cxw620/greeting-svg
[INFO] tweaked toml for git repo https://github.com/cxw620/greeting-svg written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cxw620/greeting-svg 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/cxw620/greeting-svg 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eed5fa64a3a52b2513aaf12bc6c8a16df28488d2925e7ecf8e2fdaa202fbbf67
[INFO] running `Command { std: "docker" "start" "-a" "eed5fa64a3a52b2513aaf12bc6c8a16df28488d2925e7ecf8e2fdaa202fbbf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed5fa64a3a52b2513aaf12bc6c8a16df28488d2925e7ecf8e2fdaa202fbbf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed5fa64a3a52b2513aaf12bc6c8a16df28488d2925e7ecf8e2fdaa202fbbf67", kill_on_drop: false }`
[INFO] [stdout] eed5fa64a3a52b2513aaf12bc6c8a16df28488d2925e7ecf8e2fdaa202fbbf67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 00bc5e61c0ee4551e0166292c27456b89dd1cf62ff74ee6cb6e0ab92bd07d8c0
[INFO] running `Command { std: "docker" "start" "-a" "00bc5e61c0ee4551e0166292c27456b89dd1cf62ff74ee6cb6e0ab92bd07d8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bytes v1.10.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling httparse v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling zstd-safe v7.2.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]    Compiling rustls v0.23.23
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling brotli-decompressor v4.0.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling http-body-util v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling brotli v7.0.0
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling ring v0.17.11
[INFO] [stderr]    Compiling zstd-sys v2.0.14+zstd.1.5.7
[INFO] [stderr]    Compiling libsqlite3-sys v0.31.0
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.39
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling macro-toolset v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling rand_core v0.9.2
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling imagesize v0.13.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling axum-core v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[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-2.0.98/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=acb667934efb77bd -C extra-filename=-b9dcf0ea78f1a9dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6cd46ba5cfd49871.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b4712b7bb0610af6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-666fb97ad1f3b444.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" "00bc5e61c0ee4551e0166292c27456b89dd1cf62ff74ee6cb6e0ab92bd07d8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00bc5e61c0ee4551e0166292c27456b89dd1cf62ff74ee6cb6e0ab92bd07d8c0", kill_on_drop: false }`
[INFO] [stdout] 00bc5e61c0ee4551e0166292c27456b89dd1cf62ff74ee6cb6e0ab92bd07d8c0
