[INFO] cloning repository https://github.com/DakodaStemen/Stratum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DakodaStemen/Stratum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDakodaStemen%2FStratum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDakodaStemen%2FStratum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d39381ce20e0ec75759f44cbb88bf67db261f39
[INFO] checking DakodaStemen/Stratum against try#fceb2de603f0807f9049222f3f612ed51ed8f9dc for pr-157576
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDakodaStemen%2FStratum" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/DakodaStemen/Stratum
[INFO] finished tweaking git repo https://github.com/DakodaStemen/Stratum
[INFO] tweaked toml for git repo https://github.com/DakodaStemen/Stratum written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DakodaStemen/Stratum on toolchain fceb2de603f0807f9049222f3f612ed51ed8f9dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DakodaStemen/Stratum 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" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf
[INFO] running `Command { std: "docker" "start" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf" "/opt/rustwide/cargo-home/bin/cargo" "+fceb2de603f0807f9049222f3f612ed51ed8f9dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]    Compiling tree-sitter-language v0.1.7
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling openssl v0.10.76
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]     Checking yoke v0.8.1
[INFO] [stderr]     Checking zerovec v0.11.5
[INFO] [stderr]     Checking zerotrie v0.2.3
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling openssl-sys v0.9.112
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking tinystr v0.8.2
[INFO] [stderr]     Checking potential_utf v0.1.4
[INFO] [stderr]     Checking icu_collections v2.1.1
[INFO] [stderr]    Compiling pem-rfc7468 v1.0.0
[INFO] [stderr]     Checking icu_locale_core v2.1.1
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling der v0.8.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling webpki-root-certs v1.0.6
[INFO] [stderr]    Compiling ureq-proto v0.6.0
[INFO] [stderr]    Compiling utf8-zero v0.8.1
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking icu_provider v2.1.1
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]     Checking icu_properties v2.1.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling onig_sys v69.9.1
[INFO] [stderr]     Checking string_cache v0.8.9
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[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/fceb2de603f0807f9049222f3f612ed51ed8f9dc/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="fold"' --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=5bd3247dce82fc3f -C extra-filename=-53481250567b8389 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf", kill_on_drop: false }`
[INFO] [stdout] d0d5b22c3512c7a4a0154af3e0ab9135164b5e1792378f355c194f9dd6c5fddf