[INFO] fetching crate webrtc-connection 0.2.0...
[INFO] building webrtc-connection-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate webrtc-connection 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate webrtc-connection 0.2.0
[INFO] finished tweaking crates.io crate webrtc-connection 0.2.0
[INFO] tweaked toml for crates.io crate webrtc-connection 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate webrtc-connection 0.2.0 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] crate crates.io crate webrtc-connection 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0124ff52a6bb28250e507298b6a08523aa3a1e46b38d3cd36dd5b1cb9915012b
[INFO] running `Command { std: "docker" "start" "-a" "0124ff52a6bb28250e507298b6a08523aa3a1e46b38d3cd36dd5b1cb9915012b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0124ff52a6bb28250e507298b6a08523aa3a1e46b38d3cd36dd5b1cb9915012b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0124ff52a6bb28250e507298b6a08523aa3a1e46b38d3cd36dd5b1cb9915012b", kill_on_drop: false }`
[INFO] [stdout] 0124ff52a6bb28250e507298b6a08523aa3a1e46b38d3cd36dd5b1cb9915012b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 85231ad94a604f311da4b06bcbc89d80415f73a67d0591120b2b6cd7ee46ee1d
[INFO] running `Command { std: "docker" "start" "-a" "85231ad94a604f311da4b06bcbc89d80415f73a67d0591120b2b6cd7ee46ee1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling webrtc-util v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr] error: could not compile `lexical-core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name lexical_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lexical-core-0.7.6/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 debuginfo=2 --cfg 'feature="arrayvec"' --cfg 'feature="correct"' --cfg 'feature="default"' --cfg 'feature="ryu"' --cfg 'feature="static_assertions"' --cfg 'feature="std"' --cfg 'feature="table"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arrayvec", "correct", "default", "dtoa", "format", "grisu3", "libm", "noinline", "property_tests", "proptest", "quickcheck", "radix", "rounding", "ryu", "static_assertions", "std", "table", "trim_floats", "unchecked_index"))' -C metadata=c8868d8ae2c1eb19 -C extra-filename=-8d8ff20778623af3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-ba37dd1d8b4ae93c.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e2b4db6c651223da.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-33ef6c02a07f9fec.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-433b1621da7dd61c.rmeta --extern static_assertions=/opt/rustwide/target/debug/deps/libstatic_assertions-d53a9977dc6e27e5.rmeta --cap-lints allow --cap-lints=forbid --cfg limb_width_64` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.25/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 debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=4ce317381d2c440b -C extra-filename=-a8b7a392e3a16251 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "85231ad94a604f311da4b06bcbc89d80415f73a67d0591120b2b6cd7ee46ee1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85231ad94a604f311da4b06bcbc89d80415f73a67d0591120b2b6cd7ee46ee1d", kill_on_drop: false }`
[INFO] [stdout] 85231ad94a604f311da4b06bcbc89d80415f73a67d0591120b2b6cd7ee46ee1d