[INFO] cloning repository https://github.com/frectonz/r2squeeze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frectonz/r2squeeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrectonz%2Fr2squeeze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrectonz%2Fr2squeeze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b774e6e5419aca53d9ac7b0933ffb119bff22de
[INFO] testing frectonz/r2squeeze against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrectonz%2Fr2squeeze" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/frectonz/r2squeeze
[INFO] finished tweaking git repo https://github.com/frectonz/r2squeeze
[INFO] tweaked toml for git repo https://github.com/frectonz/r2squeeze written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/frectonz/r2squeeze on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/frectonz/r2squeeze 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3f1208a5383749ec96e3f8faad0050d6eb89934b7cd7c71ca7923f0f7a7694f
[INFO] running `Command { std: "docker" "start" "-a" "a3f1208a5383749ec96e3f8faad0050d6eb89934b7cd7c71ca7923f0f7a7694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f1208a5383749ec96e3f8faad0050d6eb89934b7cd7c71ca7923f0f7a7694f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f1208a5383749ec96e3f8faad0050d6eb89934b7cd7c71ca7923f0f7a7694f", kill_on_drop: false }`
[INFO] [stdout] a3f1208a5383749ec96e3f8faad0050d6eb89934b7cd7c71ca7923f0f7a7694f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 374c11f7920acfb0ac6f68add878457032f44cca120150f5cb190a67a878badc
[INFO] running `Command { std: "docker" "start" "-a" "374c11f7920acfb0ac6f68add878457032f44cca120150f5cb190a67a878badc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling aws-lc-rs v1.14.0
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling bytes-utils v0.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rustls-native-certs v0.8.1
[INFO] [stderr]    Compiling aws-types v1.3.8
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-lite v0.1.7
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling spki v0.6.0
[INFO] [stderr]    Compiling aws-smithy-xml v0.60.10
[INFO] [stderr]    Compiling pkcs8 v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling cc v1.2.38
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sec1 v0.3.0
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling crypto-bigint v0.4.9
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling brotli v8.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rfc6979 v0.3.1
[INFO] [stderr]    Compiling elliptic-curve v0.12.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling compression-core v0.4.29
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling aws-lc-sys v0.31.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ecdsa v0.14.8
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling fxhash v0.2.1
[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-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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=02a87ed54b7b42b8 -C extra-filename=-fd3b0136222444fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8476d166045b0f54.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f340ed983a2a44c9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9ad4622e9362cad2.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" "374c11f7920acfb0ac6f68add878457032f44cca120150f5cb190a67a878badc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374c11f7920acfb0ac6f68add878457032f44cca120150f5cb190a67a878badc", kill_on_drop: false }`
[INFO] [stdout] 374c11f7920acfb0ac6f68add878457032f44cca120150f5cb190a67a878badc
