[INFO] fetching crate rcgen 0.8.14...
[INFO] checking rcgen-0.8.14 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rcgen 0.8.14 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate rcgen 0.8.14 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcgen 0.8.14
[INFO] finished tweaking crates.io crate rcgen 0.8.14
[INFO] tweaked toml for crates.io crate rcgen 0.8.14 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate rcgen 0.8.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a23f37058e7b073aeeba9da27ce014a37314d3b0e525e7d7f39d99b2436847
[INFO] running `Command { std: "docker" "start" "-a" "79a23f37058e7b073aeeba9da27ce014a37314d3b0e525e7d7f39d99b2436847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a23f37058e7b073aeeba9da27ce014a37314d3b0e525e7d7f39d99b2436847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a23f37058e7b073aeeba9da27ce014a37314d3b0e525e7d7f39d99b2436847", kill_on_drop: false }`
[INFO] [stdout] 79a23f37058e7b073aeeba9da27ce014a37314d3b0e525e7d7f39d99b2436847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e991b8e8e84031850df94ed28640edb62ff03e02b74639c4694004aae2b2d5e4
[INFO] running `Command { std: "docker" "start" "-a" "e991b8e8e84031850df94ed28640edb62ff03e02b74639c4694004aae2b2d5e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking const-oid v0.6.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking base64ct v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling botan-src v0.21703.0
[INFO] [stderr]    Compiling oid-registry v0.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pem-rfc7468 v0.2.2
[INFO] [stderr]    Compiling botan-sys v0.8.1
[INFO] [stderr]    Compiling num-bigint-dig v0.7.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crypto-bigint v0.2.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pem v1.0.0
[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-1.0.80/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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"' --cfg 'feature="visit"' -C metadata=83c288d8d4dff643 -C extra-filename=-83c288d8d4dff643 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0b4d909bdba1b2c8.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7dfa028e3d4d4c71.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e991b8e8e84031850df94ed28640edb62ff03e02b74639c4694004aae2b2d5e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e991b8e8e84031850df94ed28640edb62ff03e02b74639c4694004aae2b2d5e4", kill_on_drop: false }`
[INFO] [stdout] e991b8e8e84031850df94ed28640edb62ff03e02b74639c4694004aae2b2d5e4