[INFO] fetching crate just-webrtc 0.2.0...
[INFO] testing just-webrtc-0.2.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate just-webrtc 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate just-webrtc 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate just-webrtc 0.2.0
[INFO] tweaked toml for crates.io crate just-webrtc 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate just-webrtc 0.2.0 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 271 packages to highest compatible versions
[INFO] [stderr]       Adding flume v0.11.1 (available: v0.12.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding minicov v0.3.8 (available: v0.3.9)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding webrtc v0.11.0 (available: v0.21.1)
[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 webrtc v0.11.0
[INFO] [stderr]   Downloaded webrtc-util v0.9.0
[INFO] [stderr]   Downloaded webrtc-srtp v0.13.0
[INFO] [stderr]   Downloaded webrtc-media v0.8.0
[INFO] [stderr]   Downloaded webrtc-mdns v0.7.0
[INFO] [stderr]   Downloaded rtp v0.11.0
[INFO] [stderr]   Downloaded rtcp v0.11.0
[INFO] [stderr]   Downloaded stun v0.6.0
[INFO] [stderr]   Downloaded webrtc-sctp v0.10.0
[INFO] [stderr]   Downloaded webrtc-ice v0.11.0
[INFO] [stderr]   Downloaded turn v0.8.0
[INFO] [stderr]   Downloaded webrtc-dtls v0.10.0
[INFO] [stderr]   Downloaded webrtc-data v0.9.0
[INFO] [stderr]   Downloaded sdp v0.6.2
[INFO] [stderr]   Downloaded interceptor v0.12.0
[INFO] [stderr]   Downloaded trait-variant v0.1.3
[INFO] [stderr]   Downloaded async_cell v0.2.3
[INFO] [stderr]   Downloaded generator v0.8.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951
[INFO] running `Command { std: "docker" "start" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951", 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" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951" "/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" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951", 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" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling smallvec v1.16.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling portable-atomic v1.15.0
[INFO] [stderr]    Compiling pin-utils v0.1.1
[INFO] [stderr]    Compiling ipnet v2.12.2
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling deranged v0.5.9
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling oid-registry v0.7.1
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling rustls v0.23.46
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling data-encoding v2.11.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling waitgroup v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.154
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling async_cell v0.2.3
[INFO] [stderr]    Compiling pem v3.0.6
[INFO] [stderr]    Compiling time v0.3.55
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling uuid v1.28.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling yasna v0.5.2
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --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=c877674bff1df862 -C extra-filename=-e532695bb6e727f8 --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 --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951", kill_on_drop: false }`
[INFO] [stdout] 130fc98a510e77e8bf2bd8f15dbf26e84b1669790944913fe52a9aca59022951