[INFO] fetching crate cec-rs 5.0.0...
[INFO] checking cec-rs-5.0.0 against try#8832a71d49053449d3904572ee8f2c79da2104ae for pr-95953
[INFO] extracting crate cec-rs 5.0.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate cec-rs 5.0.0 on toolchain 8832a71d49053449d3904572ee8f2c79da2104ae
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cec-rs 5.0.0
[INFO] finished tweaking crates.io crate cec-rs 5.0.0
[INFO] tweaked toml for crates.io crate cec-rs 5.0.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a658d53493b56371d85df010227c1dcb77e82b97860152fe9a614c90b509475
[INFO] running `Command { std: "docker" "start" "-a" "0a658d53493b56371d85df010227c1dcb77e82b97860152fe9a614c90b509475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a658d53493b56371d85df010227c1dcb77e82b97860152fe9a614c90b509475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a658d53493b56371d85df010227c1dcb77e82b97860152fe9a614c90b509475", kill_on_drop: false }`
[INFO] [stdout] 0a658d53493b56371d85df010227c1dcb77e82b97860152fe9a614c90b509475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+8832a71d49053449d3904572ee8f2c79da2104ae" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 386e96269d5853bd62599149dc40ae0ef1fcba7958ce6d7e8ac898b357b2d6b6
[INFO] running `Command { std: "docker" "start" "-a" "386e96269d5853bd62599149dc40ae0ef1fcba7958ce6d7e8ac898b357b2d6b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cec-rs v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling libcec-sys v3.0.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.91/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="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"' -C metadata=0653ad508313996d -C extra-filename=-0653ad508313996d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-16f4d56d78074154.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-faec848a47c42982.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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" "386e96269d5853bd62599149dc40ae0ef1fcba7958ce6d7e8ac898b357b2d6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386e96269d5853bd62599149dc40ae0ef1fcba7958ce6d7e8ac898b357b2d6b6", kill_on_drop: false }`
[INFO] [stdout] 386e96269d5853bd62599149dc40ae0ef1fcba7958ce6d7e8ac898b357b2d6b6