[INFO] fetching crate artisan_middleware 5.5.1...
[INFO] testing artisan_middleware-5.5.1 against master#e9385f9eea0221ef295a188d49d16f8f5189abf1 for pr-146098
[INFO] extracting crate artisan_middleware 5.5.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate artisan_middleware 5.5.1
[INFO] finished tweaking crates.io crate artisan_middleware 5.5.1
[INFO] tweaked toml for crates.io crate artisan_middleware 5.5.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate artisan_middleware 5.5.1 on toolchain e9385f9eea0221ef295a188d49d16f8f5189abf1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate artisan_middleware 5.5.1 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" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.11.0
[INFO] [stderr]   Downloaded colorized v1.0.0
[INFO] [stderr]   Downloaded systemctl v0.3.1
[INFO] [stderr]   Downloaded simple_comms v1.2.2
[INFO] [stderr]   Downloaded cfg_rust_features v0.1.2
[INFO] [stderr]   Downloaded security-framework-sys v2.13.0
[INFO] [stderr]   Downloaded thiserror-impl v2.0.8
[INFO] [stderr]   Downloaded dusa_collection_utils v4.0.0
[INFO] [stderr]   Downloaded procfs v0.16.0
[INFO] [stderr]   Downloaded cc v1.2.5
[INFO] [stderr]   Downloaded thiserror v2.0.8
[INFO] [stderr]   Downloaded gethostname v0.5.0
[INFO] [stderr]   Downloaded procfs-core v0.16.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded tar v0.4.43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 520aaa17378a80b4d295125cb8597519350bae0a9423a5f7ccaa4b8c1381c910
[INFO] running `Command { std: "docker" "start" "-a" "520aaa17378a80b4d295125cb8597519350bae0a9423a5f7ccaa4b8c1381c910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520aaa17378a80b4d295125cb8597519350bae0a9423a5f7ccaa4b8c1381c910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520aaa17378a80b4d295125cb8597519350bae0a9423a5f7ccaa4b8c1381c910", kill_on_drop: false }`
[INFO] [stdout] 520aaa17378a80b4d295125cb8597519350bae0a9423a5f7ccaa4b8c1381c910
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+e9385f9eea0221ef295a188d49d16f8f5189abf1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451ead20d2d253486f7643061853872f723338e9c7ffe8e1d08b141c445348cb
[INFO] running `Command { std: "docker" "start" "-a" "451ead20d2d253486f7643061853872f723338e9c7ffe8e1d08b141c445348cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling cc v1.2.5
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thiserror v2.0.8
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rustls-pki-types v1.10.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling cfg_rust_features v0.1.2
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cipher v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling block-modes v0.8.1
[INFO] [stderr]    Compiling procfs v0.16.0
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling colorized v1.0.0
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling digest v0.10.7
[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/e9385f9eea0221ef295a188d49d16f8f5189abf1/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.90/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=d6ac98c7000fcfb8 -C extra-filename=-c6bb772a735f4735 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "451ead20d2d253486f7643061853872f723338e9c7ffe8e1d08b141c445348cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451ead20d2d253486f7643061853872f723338e9c7ffe8e1d08b141c445348cb", kill_on_drop: false }`
[INFO] [stdout] 451ead20d2d253486f7643061853872f723338e9c7ffe8e1d08b141c445348cb