[INFO] cloning repository https://github.com/SubstructureOne/impulse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SubstructureOne/impulse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSubstructureOne%2Fimpulse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSubstructureOne%2Fimpulse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cd34ae8f0202cf79b7f7b4ecf1a2f9cc27d3013
[INFO] testing SubstructureOne/impulse 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%2FSubstructureOne%2Fimpulse" "/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/SubstructureOne/impulse
[INFO] finished tweaking git repo https://github.com/SubstructureOne/impulse
[INFO] tweaked toml for git repo https://github.com/SubstructureOne/impulse written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SubstructureOne/impulse 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/SubstructureOne/impulse 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] abda32fd098d3f23e4a249d57025169e9286b8e81a7d895f91213847a39d434b
[INFO] running `Command { std: "docker" "start" "-a" "abda32fd098d3f23e4a249d57025169e9286b8e81a7d895f91213847a39d434b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abda32fd098d3f23e4a249d57025169e9286b8e81a7d895f91213847a39d434b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abda32fd098d3f23e4a249d57025169e9286b8e81a7d895f91213847a39d434b", kill_on_drop: false }`
[INFO] [stdout] abda32fd098d3f23e4a249d57025169e9286b8e81a7d895f91213847a39d434b
[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] f5f962d0f2c3df027f26268f8c01fdde90eb2e236cc8515d742c704da20eb704
[INFO] running `Command { std: "docker" "start" "-a" "f5f962d0f2c3df027f26268f8c01fdde90eb2e236cc8515d742c704da20eb704", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.11
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.32
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling winnow v0.5.4
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling prost-build v0.10.4
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling md-5 v0.10.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling stringprep v0.1.3
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling pq-sys v0.4.8
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling postgres-protocol v0.6.5
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling tempfile v3.7.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling filetime v0.2.22
[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-2.0.32/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=f0a6f19b1dac336e -C extra-filename=-423e6ecc5d50e218 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8ad7a7c201edc096.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0b4b70ec4a73d4af.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-88a20ab10d75ac1b.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" "f5f962d0f2c3df027f26268f8c01fdde90eb2e236cc8515d742c704da20eb704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f962d0f2c3df027f26268f8c01fdde90eb2e236cc8515d742c704da20eb704", kill_on_drop: false }`
[INFO] [stdout] f5f962d0f2c3df027f26268f8c01fdde90eb2e236cc8515d742c704da20eb704
