[INFO] fetching crate upgrade2webrtc 0.1.0...
[INFO] building upgrade2webrtc-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate upgrade2webrtc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate upgrade2webrtc 0.1.0
[INFO] finished tweaking crates.io crate upgrade2webrtc 0.1.0
[INFO] tweaked toml for crates.io crate upgrade2webrtc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate upgrade2webrtc 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 268 packages to latest compatible versions
[INFO] [stderr]       Adding bitcode v0.4.0 (available: v0.6.7)
[INFO] [stderr]       Adding interprocess v1.2.1 (available: v2.2.3)
[INFO] [stderr]       Adding rcgen v0.11.3 (available: v0.14.5)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (available: v2.2.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (available: v0.26.4)
[INFO] [stderr]       Adding webrtc v0.9.0 (available: v0.14.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f8558c8c37215bd2d8cca066139ba3a565addb352194e38d7768da90e26c2dc6
[INFO] running `Command { std: "docker" "start" "-a" "f8558c8c37215bd2d8cca066139ba3a565addb352194e38d7768da90e26c2dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8558c8c37215bd2d8cca066139ba3a565addb352194e38d7768da90e26c2dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8558c8c37215bd2d8cca066139ba3a565addb352194e38d7768da90e26c2dc6", kill_on_drop: false }`
[INFO] [stdout] f8558c8c37215bd2d8cca066139ba3a565addb352194e38d7768da90e26c2dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 42b0dfe9ad47772604be7880a615e39d74fcaaa328dfbb8fecb04764679499b4
[INFO] running `Command { std: "docker" "start" "-a" "42b0dfe9ad47772604be7880a615e39d74fcaaa328dfbb8fecb04764679499b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling waitgroup v0.1.2
[INFO] [stderr]    Compiling pem v3.0.5
[INFO] [stderr]    Compiling getrandom v0.3.3
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="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=3453d6efb811e620 -C extra-filename=-d39b452e62eda284 --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.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "42b0dfe9ad47772604be7880a615e39d74fcaaa328dfbb8fecb04764679499b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b0dfe9ad47772604be7880a615e39d74fcaaa328dfbb8fecb04764679499b4", kill_on_drop: false }`
[INFO] [stdout] 42b0dfe9ad47772604be7880a615e39d74fcaaa328dfbb8fecb04764679499b4