[INFO] cloning repository https://github.com/dralley/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dralley/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a89c12817a7b1a8c14875ba133f55fca3d7f536d
[INFO] checking dralley/sudoku-solver against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdralley%2Fsudoku-solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dralley/sudoku-solver
[INFO] finished tweaking git repo https://github.com/dralley/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/dralley/sudoku-solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dralley/sudoku-solver on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dralley/sudoku-solver 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d3f04eead850e07f7aad3a6e0505c55505fa76dbac5b69b16ae7b38d813419
[INFO] running `Command { std: "docker" "start" "-a" "98d3f04eead850e07f7aad3a6e0505c55505fa76dbac5b69b16ae7b38d813419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d3f04eead850e07f7aad3a6e0505c55505fa76dbac5b69b16ae7b38d813419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d3f04eead850e07f7aad3a6e0505c55505fa76dbac5b69b16ae7b38d813419", kill_on_drop: false }`
[INFO] [stdout] 98d3f04eead850e07f7aad3a6e0505c55505fa76dbac5b69b16ae7b38d813419
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbfd0495cfc492b6a4eb88b9eccb1c1d558a95638399fd0658072afbd9f08279
[INFO] running `Command { std: "docker" "start" "-a" "fbfd0495cfc492b6a4eb88b9eccb1c1d558a95638399fd0658072afbd9f08279", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling ucd-util v0.1.5
[INFO] [stderr]     Checking varisat-formula v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.6.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking vec_mut_scan v0.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]     Checking sudoku v0.7.0
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling partial_ref_derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking partial_ref v0.3.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling varisat v0.2.1
[INFO] [stderr]     Checking varisat-internal-proof v0.2.1
[INFO] [stderr]     Checking varisat-dimacs v0.2.1
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.1
[INFO] [stderr]     Checking varisat-checker v0.2.1
[INFO] [stderr] warning: varisat@0.2.1: drat-trim utility not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: varisat@0.2.1: check-lrat utility not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] error: could not compile `varisat` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f/bin/rustc --crate-name varisat --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/varisat-0.2.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=f376254cf524dcf9 -C extra-filename=-1b0b7c85da010c7e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-838938845ca90fac.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-dbf5b7d51d0f63c1.rmeta --extern leb128=/opt/rustwide/target/debug/deps/libleb128-76afc7b993b0d9fc.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1c68518c64179238.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-7df01055379b7d1b.rmeta --extern partial_ref=/opt/rustwide/target/debug/deps/libpartial_ref-16ce678fe95a0661.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6c65e55dbaa131ad.rmeta --extern varisat_checker=/opt/rustwide/target/debug/deps/libvarisat_checker-ee51e041f0903a6d.rmeta --extern varisat_dimacs=/opt/rustwide/target/debug/deps/libvarisat_dimacs-7599209de63ce486.rmeta --extern varisat_formula=/opt/rustwide/target/debug/deps/libvarisat_formula-a1c4e3eb0f4dd7e8.rmeta --extern varisat_internal_macros=/opt/rustwide/target/debug/deps/libvarisat_internal_macros-dc4a089caf579284.so --extern varisat_internal_proof=/opt/rustwide/target/debug/deps/libvarisat_internal_proof-4f764d096fcff4c6.rmeta --extern vec_mut_scan=/opt/rustwide/target/debug/deps/libvec_mut_scan-5b59435baa1ef3ed.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-cee825043cdf7718/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fbfd0495cfc492b6a4eb88b9eccb1c1d558a95638399fd0658072afbd9f08279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfd0495cfc492b6a4eb88b9eccb1c1d558a95638399fd0658072afbd9f08279", kill_on_drop: false }`
[INFO] [stdout] fbfd0495cfc492b6a4eb88b9eccb1c1d558a95638399fd0658072afbd9f08279