[INFO] fetching crate staging-sp-ark-ed-on-bls12-377 0.4.2...
[INFO] building staging-sp-ark-ed-on-bls12-377-0.4.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate staging-sp-ark-ed-on-bls12-377 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate staging-sp-ark-ed-on-bls12-377 0.4.2
[INFO] finished tweaking crates.io crate staging-sp-ark-ed-on-bls12-377 0.4.2
[INFO] tweaked toml for crates.io crate staging-sp-ark-ed-on-bls12-377 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate staging-sp-ark-ed-on-bls12-377 0.4.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 169 packages to latest compatible versions
[INFO] [stderr]       Adding ark-algebra-test-templates v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-377-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-serialize v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding sp-crypto-ec-utils v0.15.1 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b4867e52595b487680740c525ce39bb8948660b34df4026711997451154f9c
[INFO] running `Command { std: "docker" "start" "-a" "d4b4867e52595b487680740c525ce39bb8948660b34df4026711997451154f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b4867e52595b487680740c525ce39bb8948660b34df4026711997451154f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b4867e52595b487680740c525ce39bb8948660b34df4026711997451154f9c", kill_on_drop: false }`
[INFO] [stdout] d4b4867e52595b487680740c525ce39bb8948660b34df4026711997451154f9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0200a2d2fc95e8dde9ad5da162c2b8e2164453cb15e99b1033f59b51fe08757
[INFO] running `Command { std: "docker" "start" "-a" "d0200a2d2fc95e8dde9ad5da162c2b8e2164453cb15e99b1033f59b51fe08757", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]    Compiling uint v0.10.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=246ad40aa6cdeece -C extra-filename=-02c1b4e89e02906d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-de6dd437dfb273ce.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-ba0dfc651db2a8a5.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d0200a2d2fc95e8dde9ad5da162c2b8e2164453cb15e99b1033f59b51fe08757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0200a2d2fc95e8dde9ad5da162c2b8e2164453cb15e99b1033f59b51fe08757", kill_on_drop: false }`
[INFO] [stdout] d0200a2d2fc95e8dde9ad5da162c2b8e2164453cb15e99b1033f59b51fe08757
