[INFO] fetching crate fedimint-core 0.8.1...
[INFO] testing fedimint-core-0.8.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate fedimint-core 0.8.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fedimint-core 0.8.1
[INFO] finished tweaking crates.io crate fedimint-core 0.8.1
[INFO] tweaked toml for crates.io crate fedimint-core 0.8.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fedimint-core 0.8.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fedimint-core 0.8.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b715c36535853ca658e2069a02dbe1ac36f9846ae704bf39bf2980212176d5c
[INFO] running `Command { std: "docker" "start" "-a" "1b715c36535853ca658e2069a02dbe1ac36f9846ae704bf39bf2980212176d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b715c36535853ca658e2069a02dbe1ac36f9846ae704bf39bf2980212176d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b715c36535853ca658e2069a02dbe1ac36f9846ae704bf39bf2980212176d5c", kill_on_drop: false }`
[INFO] [stdout] 1b715c36535853ca658e2069a02dbe1ac36f9846ae704bf39bf2980212176d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9ac1736072f2b86be5b9964517d256da72496cd74402f45f2a3b3dc6225b0a2
[INFO] running `Command { std: "docker" "start" "-a" "c9ac1736072f2b86be5b9964517d256da72496cd74402f45f2a3b3dc6225b0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling bitcoin-io v0.1.3
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling bitcoin-internals v0.3.0
[INFO] [stderr]    Compiling hex-conservative v0.2.1
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling bitcoin v0.32.6
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling bech32 v0.11.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling n0-future v0.1.3
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.27/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=b9dae834eb487e0f -C extra-filename=-f9d8475087a46795 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shlex=/opt/rustwide/target/debug/deps/libshlex-258c8bec04b9d869.rmeta --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" "c9ac1736072f2b86be5b9964517d256da72496cd74402f45f2a3b3dc6225b0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ac1736072f2b86be5b9964517d256da72496cd74402f45f2a3b3dc6225b0a2", kill_on_drop: false }`
[INFO] [stdout] c9ac1736072f2b86be5b9964517d256da72496cd74402f45f2a3b3dc6225b0a2