[INFO] fetching crate arti-rpcserver 0.1.1...
[INFO] testing arti-rpcserver-0.1.1 against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] extracting crate arti-rpcserver 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate arti-rpcserver 0.1.1 on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arti-rpcserver 0.1.1
[INFO] finished tweaking crates.io crate arti-rpcserver 0.1.1
[INFO] tweaked toml for crates.io crate arti-rpcserver 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "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-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82245dd209e2253b1e1ca71b5304d33b16163aef4b8472d0f1c4fa491ecc39e6
[INFO] running `Command { std: "docker" "start" "-a" "82245dd209e2253b1e1ca71b5304d33b16163aef4b8472d0f1c4fa491ecc39e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82245dd209e2253b1e1ca71b5304d33b16163aef4b8472d0f1c4fa491ecc39e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82245dd209e2253b1e1ca71b5304d33b16163aef4b8472d0f1c4fa491ecc39e6", kill_on_drop: false }`
[INFO] [stdout] 82245dd209e2253b1e1ca71b5304d33b16163aef4b8472d0f1c4fa491ecc39e6
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b4305b724092ea4cfb734320740cab88873792fe085498eb550877556e10e3
[INFO] running `Command { std: "docker" "start" "-a" "01b4305b724092ea4cfb734320740cab88873792fe085498eb550877556e10e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling const-oid v0.9.2
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling platforms v3.0.2
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling time-macros v0.2.9
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling num-bigint-dig v0.8.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling curve25519-dalek v4.0.0-rc.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling signature v2.1.0
[INFO] [stderr]    Compiling fluid-let v1.0.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling winnow v0.4.7
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling caret v0.4.1
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling time v0.3.22
[INFO] [stderr]    Compiling async_executors v0.6.0
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling regex v1.8.4
[INFO] [stderr]    Compiling shellexpand v3.1.0
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling bitflags v2.3.2
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling toml_edit v0.19.10
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling by_address v1.1.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling weak-table v0.3.2
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling darling_core v0.20.1
[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/ecd7b559f89c73ac8f1d318f7501006f37b944b2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.18/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"' --cfg 'feature="visit-mut"' -C metadata=a8f5e69c07b28a0f -C extra-filename=-a8f5e69c07b28a0f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b263036f131e8f0f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-da41edfcd1ed66c4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-0e53082f4f416819.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" "01b4305b724092ea4cfb734320740cab88873792fe085498eb550877556e10e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b4305b724092ea4cfb734320740cab88873792fe085498eb550877556e10e3", kill_on_drop: false }`
[INFO] [stdout] 01b4305b724092ea4cfb734320740cab88873792fe085498eb550877556e10e3