[INFO] fetching crate tower-batch-control 0.2.41...
[INFO] testing tower-batch-control-0.2.41 against 1.90.0 for beta-1.91-2
[INFO] extracting crate tower-batch-control 0.2.41 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate tower-batch-control 0.2.41
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tower-batch-control 0.2.41
[INFO] tweaked toml for crates.io crate tower-batch-control 0.2.41 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-batch-control 0.2.41 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tower-batch-control 0.2.41 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded eyre v0.6.12
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded tower-test v0.4.0
[INFO] [stderr]   Downloaded spandoc-attribute v0.1.1
[INFO] [stderr]   Downloaded tower-fallback v0.2.41
[INFO] [stderr]   Downloaded tracing-error v0.2.1
[INFO] [stderr]   Downloaded spandoc v0.2.2
[INFO] [stderr]   Downloaded proptest v1.7.0
[INFO] [stderr]   Downloaded color-eyre v0.6.5
[INFO] [stderr]   Downloaded zebra-test v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00f407780b3657923a916c352ca98116a12d6a1e2a92fda31e27c321c0375da6
[INFO] running `Command { std: "docker" "start" "-a" "00f407780b3657923a916c352ca98116a12d6a1e2a92fda31e27c321c0375da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00f407780b3657923a916c352ca98116a12d6a1e2a92fda31e27c321c0375da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00f407780b3657923a916c352ca98116a12d6a1e2a92fda31e27c321c0375da6", kill_on_drop: false }`
[INFO] [stdout] 00f407780b3657923a916c352ca98116a12d6a1e2a92fda31e27c321c0375da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22b033b9745b51a6106a6e0b78cab5bb4eac7ff93926712ec20cacd86edf00ac
[INFO] running `Command { std: "docker" "start" "-a" "22b033b9745b51a6106a6e0b78cab5bb4eac7ff93926712ec20cacd86edf00ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tower-batch-control v0.2.41 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.43s
[INFO] running `Command { std: "docker" "inspect" "22b033b9745b51a6106a6e0b78cab5bb4eac7ff93926712ec20cacd86edf00ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b033b9745b51a6106a6e0b78cab5bb4eac7ff93926712ec20cacd86edf00ac", kill_on_drop: false }`
[INFO] [stdout] 22b033b9745b51a6106a6e0b78cab5bb4eac7ff93926712ec20cacd86edf00ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0545bbd5c7ee97beb1ded557d513928d612653e76ffab481643b33c9c577d13
[INFO] running `Command { std: "docker" "start" "-a" "b0545bbd5c7ee97beb1ded557d513928d612653e76ffab481643b33c9c577d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling owo-colors v4.2.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling tinyvec v1.9.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tempfile v3.20.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling console v0.15.11
[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/1.90.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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="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=fdc49d1585515d38 -C extra-filename=-6388a840f1785624 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adfd6dadd64ae64b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3c95f32c1e57a52d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-442589a0fd17beea.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" "b0545bbd5c7ee97beb1ded557d513928d612653e76ffab481643b33c9c577d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0545bbd5c7ee97beb1ded557d513928d612653e76ffab481643b33c9c577d13", kill_on_drop: false }`
[INFO] [stdout] b0545bbd5c7ee97beb1ded557d513928d612653e76ffab481643b33c9c577d13