[INFO] fetching crate netidx-tools-core 0.16.2...
[INFO] testing netidx-tools-core-0.16.2 against master#d117135f5a9b69ee3adfb1918aa25616758bf692 for pr-107251
[INFO] extracting crate netidx-tools-core 0.16.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate netidx-tools-core 0.16.2 on toolchain d117135f5a9b69ee3adfb1918aa25616758bf692
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netidx-tools-core 0.16.2
[INFO] finished tweaking crates.io crate netidx-tools-core 0.16.2
[INFO] tweaked toml for crates.io crate netidx-tools-core 0.16.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_struct_codegen v0.10.1
[INFO] [stderr]   Downloaded packed_struct v0.10.1
[INFO] [stderr]   Downloaded libgssapi-sys v0.2.4
[INFO] [stderr]   Downloaded scrypt v0.10.0
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded netidx v0.16.3
[INFO] [stderr]   Downloaded netidx-netproto v0.16.2
[INFO] [stderr]   Downloaded netidx-core v0.16.5
[INFO] [stderr]   Downloaded arcstr v1.1.5
[INFO] [stderr]   Downloaded secret-service v2.0.2
[INFO] [stderr]   Downloaded zbus_macros v1.9.3
[INFO] [stderr]   Downloaded enumflags2_derive v0.6.4
[INFO] [stderr]   Downloaded enumflags2 v0.6.4
[INFO] [stderr]   Downloaded cross-krb5 v0.3.0
[INFO] [stderr]   Downloaded zvariant v2.10.0
[INFO] [stderr]   Downloaded hkdf v0.11.0
[INFO] [stderr]   Downloaded get_if_addrs v0.5.3
[INFO] [stderr]   Downloaded libgssapi v0.6.3
[INFO] [stderr]   Downloaded zbus v1.9.3
[INFO] [stderr]   Downloaded immutable-chunkmap v1.0.5
[INFO] [stderr]   Downloaded nb-connect v1.2.0
[INFO] [stderr]   Downloaded zvariant_derive v2.10.0
[INFO] [stderr]   Downloaded keyring v1.2.1
[INFO] [stderr]   Downloaded netidx-derive v0.16.0
[INFO] [stderr]   Downloaded pkcs5 v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47de35cd2084255f8fed90bcdd2f98d9a942d889ef7036674be644425d09eb0e
[INFO] running `Command { std: "docker" "start" "-a" "47de35cd2084255f8fed90bcdd2f98d9a942d889ef7036674be644425d09eb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47de35cd2084255f8fed90bcdd2f98d9a942d889ef7036674be644425d09eb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47de35cd2084255f8fed90bcdd2f98d9a942d889ef7036674be644425d09eb0e", kill_on_drop: false }`
[INFO] [stdout] 47de35cd2084255f8fed90bcdd2f98d9a942d889ef7036674be644425d09eb0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+d117135f5a9b69ee3adfb1918aa25616758bf692" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b717a2b50c79e0e0ffc553e78f52739eb8be19abdc2b60a4af5c71daeb634e
[INFO] running `Command { std: "docker" "start" "-a" "75b717a2b50c79e0e0ffc553e78f52739eb8be19abdc2b60a4af5c71daeb634e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling block-padding v0.3.2
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling cipher v0.4.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling const-oid v0.9.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling toml_edit v0.18.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling rust_decimal v1.28.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling nb-connect v1.2.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling salsa20 v0.10.2
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling packed_struct v0.10.1
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling proc-macro-crate v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling keccak v0.1.3
[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-1.0.107/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"' --cfg 'feature="visit"' -C metadata=9c3666ea19609745 -C extra-filename=-9c3666ea19609745 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba8f91ae0e6a3d28.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7a0d00e0e0fdb1ac.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-488d9b1a6199d7b2.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" "75b717a2b50c79e0e0ffc553e78f52739eb8be19abdc2b60a4af5c71daeb634e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b717a2b50c79e0e0ffc553e78f52739eb8be19abdc2b60a4af5c71daeb634e", kill_on_drop: false }`
[INFO] [stdout] 75b717a2b50c79e0e0ffc553e78f52739eb8be19abdc2b60a4af5c71daeb634e