[INFO] fetching crate ethers-gcp-kms-signer 0.1.5...
[INFO] testing ethers-gcp-kms-signer-0.1.5 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ethers-gcp-kms-signer 0.1.5 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ethers-gcp-kms-signer 0.1.5
[INFO] finished tweaking crates.io crate ethers-gcp-kms-signer 0.1.5
[INFO] tweaked toml for crates.io crate ethers-gcp-kms-signer 0.1.5 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ethers-gcp-kms-signer 0.1.5 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 450 packages to highest compatible versions
[INFO] [stderr]       Adding gcloud-sdk v0.20.7 (available: v0.33.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding solang-parser v0.3.3 (available: v0.3.5)
[INFO] [stderr]       Adding spki v0.7.3 (available: v0.8.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding tonic v0.9.2 (available: v0.14.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded tonic v0.9.2
[INFO] [stderr]   Downloaded tower-util v0.3.1
[INFO] [stderr]   Downloaded secret-vault-value v0.3.10
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded gcemeta v0.2.3
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.3
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded gcloud-sdk v0.20.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82
[INFO] running `Command { std: "docker" "start" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling toml_datetime v1.1.2+spec-1.1.0
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling toml_parser v1.1.5+spec-1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling zeroize v1.9.1
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling typenum v1.20.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling toml_edit v0.25.17+spec-1.1.0
[INFO] [stderr]    Compiling camino v1.2.6
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling const_format v0.2.36
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling keccak v0.1.6
[INFO] [stderr]    Compiling konst_macro_rules v0.2.19
[INFO] [stderr]    Compiling konst v0.2.20
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling want v0.3.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling eyre v0.6.14
[INFO] [stderr]    Compiling unicase v2.10.0
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling const-hex v1.19.3
[INFO] [stderr]    Compiling encoding_rs v0.8.42
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling compression-core v0.4.34
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling compression-codecs v0.4.46
[INFO] [stderr]    Compiling time-macros v0.2.32
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling spki v0.7.3
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.9/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 -C debug-assertions=off --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=9d38b54a166f1fc7 -C extra-filename=-a84c2ce682ceddd9 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-bfa7a6aafdfba675.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-44c84b9315bcd971.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-2ee003426a225cef.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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 -C debug-assertions=off --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=76d2e3838ba466d7 -C extra-filename=-de2a9bf3a8896415 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-bfa7a6aafdfba675.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-44c84b9315bcd971.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-2ee003426a225cef.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82", kill_on_drop: false }`
[INFO] [stdout] 4be8b2f5e4c0f896ad6141e63057039ef91e9a9c717a8cd52366261736881b82
