[INFO] cloning repository https://github.com/JaxonSchultz09/Subnetting-Practicer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JaxonSchultz09/Subnetting-Practicer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaxonSchultz09%2FSubnetting-Practicer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaxonSchultz09%2FSubnetting-Practicer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 174584999dfbd39e4cab52e0cc72b4f096e8e5c0
[INFO] checking JaxonSchultz09/Subnetting-Practicer against try#579169d0e78824dc60934e5eb74cd3841f2b33e8 for pr-149328
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJaxonSchultz09%2FSubnetting-Practicer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JaxonSchultz09/Subnetting-Practicer
[INFO] finished tweaking git repo https://github.com/JaxonSchultz09/Subnetting-Practicer
[INFO] tweaked toml for git repo https://github.com/JaxonSchultz09/Subnetting-Practicer written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JaxonSchultz09/Subnetting-Practicer on toolchain 579169d0e78824dc60934e5eb74cd3841f2b33e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JaxonSchultz09/Subnetting-Practicer 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" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-index-collections v3.4.0
[INFO] [stderr]   Downloaded flate2 v1.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6fb6ea6b8ef1ad175ab90ea643a0473265128f5c31ee8a251d2b9f2ca3e4b06
[INFO] running `Command { std: "docker" "start" "-a" "a6fb6ea6b8ef1ad175ab90ea643a0473265128f5c31ee8a251d2b9f2ca3e4b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6fb6ea6b8ef1ad175ab90ea643a0473265128f5c31ee8a251d2b9f2ca3e4b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fb6ea6b8ef1ad175ab90ea643a0473265128f5c31ee8a251d2b9f2ca3e4b06", kill_on_drop: false }`
[INFO] [stdout] a6fb6ea6b8ef1ad175ab90ea643a0473265128f5c31ee8a251d2b9f2ca3e4b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6dfe1fc40ac3174f491d8b21ff1f926f2640fd0d77558b986713ea652162b2f
[INFO] running `Command { std: "docker" "start" "-a" "d6dfe1fc40ac3174f491d8b21ff1f926f2640fd0d77558b986713ea652162b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling toml_writer v1.0.4
[INFO] [stderr]     Checking rustix v1.1.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling toml_edit v0.23.7
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking flate2 v1.1.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling memmap2 v0.9.9
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling as-slice v0.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking wayland-sys v0.31.7
[INFO] [stderr]     Checking tracing-core v0.1.35
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling core_maths v0.1.1
[INFO] [stderr]    Compiling linebender_resource_handle v0.1.1
[INFO] [stderr]    Compiling weezl v0.1.12
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling aligned v0.4.2
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling y4m v0.8.0
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking gethostname v1.1.0
[INFO] [stderr]    Compiling zune-jpeg v0.4.21
[INFO] [stderr]    Compiling bitstream-io v4.9.0
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking lyon_geom v1.0.18
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking async-signal v0.2.13
[INFO] [stderr]     Checking wayland-client v0.31.11
[INFO] [stderr]    Compiling cpp_common v0.5.10
[INFO] [stderr]     Checking async-process v2.5.0
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]    Compiling kurbo v0.11.3
[INFO] [stderr]     Checking pxfm v0.1.26
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling imgref v1.12.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling unicode-script v0.5.8
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.4.0
[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/579169d0e78824dc60934e5eb74cd3841f2b33e8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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=a61baf04932d877d -C extra-filename=-dbe3f5e3992fc11c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f6b976fafba50547.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3c35ba78d93b6735.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "d6dfe1fc40ac3174f491d8b21ff1f926f2640fd0d77558b986713ea652162b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6dfe1fc40ac3174f491d8b21ff1f926f2640fd0d77558b986713ea652162b2f", kill_on_drop: false }`
[INFO] [stdout] d6dfe1fc40ac3174f491d8b21ff1f926f2640fd0d77558b986713ea652162b2f