[INFO] fetching crate xwebrtc 0.3.5...
[INFO] testing xwebrtc-0.3.5 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate xwebrtc 0.3.5 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate xwebrtc 0.3.5
[INFO] finished tweaking crates.io crate xwebrtc 0.3.5
[INFO] tweaked toml for crates.io crate xwebrtc 0.3.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xwebrtc 0.3.5 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 369 packages to latest compatible versions
[INFO] [stderr]       Adding curve25519-dalek v3.2.0 (available: v3.2.1)
[INFO] [stderr]       Adding fdk-aac v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.11.4)
[INFO] [stderr]       Adding webrtc v0.8.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 277d2f512350a2778500d155b31cc6574db3839c81c647da1308f5b6bd61184c
[INFO] running `Command { std: "docker" "start" "-a" "277d2f512350a2778500d155b31cc6574db3839c81c647da1308f5b6bd61184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277d2f512350a2778500d155b31cc6574db3839c81c647da1308f5b6bd61184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277d2f512350a2778500d155b31cc6574db3839c81c647da1308f5b6bd61184c", kill_on_drop: false }`
[INFO] [stdout] 277d2f512350a2778500d155b31cc6574db3839c81c647da1308f5b6bd61184c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae3c4cd7928db68e339100d7230eb29dd24b146f03dd533b60dc41712b5a8899
[INFO] running `Command { std: "docker" "start" "-a" "ae3c4cd7928db68e339100d7230eb29dd24b146f03dd533b60dc41712b5a8899", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling base64ct v1.8.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling oid-registry v0.4.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling arc-swap v1.7.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[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/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/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 --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=e54157c28729b6ee -C extra-filename=-77d5ed2a8f27680a --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-de6dd437dfb273ce.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" "ae3c4cd7928db68e339100d7230eb29dd24b146f03dd533b60dc41712b5a8899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3c4cd7928db68e339100d7230eb29dd24b146f03dd533b60dc41712b5a8899", kill_on_drop: false }`
[INFO] [stdout] ae3c4cd7928db68e339100d7230eb29dd24b146f03dd533b60dc41712b5a8899