[INFO] cloning repository https://github.com/ConstraintFuzz/constraint_fuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ConstraintFuzz/constraint_fuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConstraintFuzz%2Fconstraint_fuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConstraintFuzz%2Fconstraint_fuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3781eccd02f6abd2bab31a0b956d1f275993644c
[INFO] checking ConstraintFuzz/constraint_fuzz against try#7424ce9ff9baac3e9d9f5dd3c85828cddea0134d for pr-136776-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FConstraintFuzz%2Fconstraint_fuzz" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ConstraintFuzz/constraint_fuzz
[INFO] finished tweaking git repo https://github.com/ConstraintFuzz/constraint_fuzz
[INFO] tweaked toml for git repo https://github.com/ConstraintFuzz/constraint_fuzz written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ConstraintFuzz/constraint_fuzz on toolchain 7424ce9ff9baac3e9d9f5dd3c85828cddea0134d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ConstraintFuzz/constraint_fuzz 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" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9455895e2f4e2e14918aa790f00ad70047a246f907779793b229689e610b9c1
[INFO] running `Command { std: "docker" "start" "-a" "a9455895e2f4e2e14918aa790f00ad70047a246f907779793b229689e610b9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9455895e2f4e2e14918aa790f00ad70047a246f907779793b229689e610b9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9455895e2f4e2e14918aa790f00ad70047a246f907779793b229689e610b9c1", kill_on_drop: false }`
[INFO] [stdout] a9455895e2f4e2e14918aa790f00ad70047a246f907779793b229689e610b9c1
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+7424ce9ff9baac3e9d9f5dd3c85828cddea0134d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcce639578e1e0b2cf567501d259cdc09da33a436352e6b453accbd7ece65f9b
[INFO] running `Command { std: "docker" "start" "-a" "bcce639578e1e0b2cf567501d259cdc09da33a436352e6b453accbd7ece65f9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking openssl-sys v0.9.108
[INFO] [stderr]    Compiling color-spantrace v0.2.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]    Compiling pathfinder_simd v0.5.4
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking colored v3.0.0
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tracing-error v0.2.1
[INFO] [stderr]     Checking bytemuck v1.23.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling font-kit v0.14.2
[INFO] [stderr]     Checking openssl v0.10.72
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking eventsource-stream v0.2.3
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap v4.5.37
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking clang-ast v0.1.31
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking tiktoken-rs v0.5.9
[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/7424ce9ff9baac3e9d9f5dd3c85828cddea0134d/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=d96c107fed961ed7 -C extra-filename=-ba19de617ecbe125 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "bcce639578e1e0b2cf567501d259cdc09da33a436352e6b453accbd7ece65f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcce639578e1e0b2cf567501d259cdc09da33a436352e6b453accbd7ece65f9b", kill_on_drop: false }`
[INFO] [stdout] bcce639578e1e0b2cf567501d259cdc09da33a436352e6b453accbd7ece65f9b