[INFO] cloning repository https://github.com/dariaag/little_squid
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dariaag/little_squid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariaag%2Flittle_squid", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariaag%2Flittle_squid'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8b47b2a2c87f401dd820d1a04652d57c7d7e4ea
[INFO] checking dariaag/little_squid/a8b47b2a2c87f401dd820d1a04652d57c7d7e4ea against try#52ae2445414b2a196b318d85c2819995c6e5f1aa for pr-133397
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariaag%2Flittle_squid" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dariaag/little_squid on toolchain 52ae2445414b2a196b318d85c2819995c6e5f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dariaag/little_squid
[INFO] finished tweaking git repo https://github.com/dariaag/little_squid
[INFO] tweaked toml for git repo https://github.com/dariaag/little_squid written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dariaag/little_squid 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" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6da6ccd7a6c870a3c1a8fbc2d98876ad121897e17743386d85f08d72e37b30
[INFO] running `Command { std: "docker" "start" "-a" "cb6da6ccd7a6c870a3c1a8fbc2d98876ad121897e17743386d85f08d72e37b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6da6ccd7a6c870a3c1a8fbc2d98876ad121897e17743386d85f08d72e37b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6da6ccd7a6c870a3c1a8fbc2d98876ad121897e17743386d85f08d72e37b30", kill_on_drop: false }`
[INFO] [stdout] cb6da6ccd7a6c870a3c1a8fbc2d98876ad121897e17743386d85f08d72e37b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+52ae2445414b2a196b318d85c2819995c6e5f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 797f031d7ebfeb79c74601b162769c6a12841128acf19ecabe4c741922f7609f
[INFO] running `Command { std: "docker" "start" "-a" "797f031d7ebfeb79c74601b162769c6a12841128acf19ecabe4c741922f7609f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling bytemuck_derive v1.5.0
[INFO] [stderr]    Compiling target-features v0.1.5
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking array-init-cursor v0.2.0
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking planus v0.3.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling polars-utils v0.36.2
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling polars-arrow v0.36.2
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling rustix v0.38.26
[INFO] [stderr]     Checking event-listener v4.0.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking dyn-clone v1.0.16
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]    Compiling polars-compute v0.36.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling polars-core v0.36.2
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling lz4-sys v1.9.4
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]     Checking arrow-format v0.8.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling polars-ops v0.36.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking anstyle-query v1.0.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking xxhash-rust v0.8.8
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking brotli-decompressor v2.5.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking argminmax v0.6.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[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/52ae2445414b2a196b318d85c2819995c6e5f1aa/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=1db641be028f6e5f -C extra-filename=-1db641be028f6e5f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d11a418d852e237a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3062e7739f9ad982.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "797f031d7ebfeb79c74601b162769c6a12841128acf19ecabe4c741922f7609f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797f031d7ebfeb79c74601b162769c6a12841128acf19ecabe4c741922f7609f", kill_on_drop: false }`
[INFO] [stdout] 797f031d7ebfeb79c74601b162769c6a12841128acf19ecabe4c741922f7609f