[INFO] cloning repository https://github.com/tobiges/grid_coloring_problem_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tobiges/grid_coloring_problem_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobiges%2Fgrid_coloring_problem_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftobiges%2Fgrid_coloring_problem_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80ee0f1bf2fda843f7475cf84ec0d45d313107bc
[INFO] checking tobiges/grid_coloring_problem_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%2Ftobiges%2Fgrid_coloring_problem_solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tobiges/grid_coloring_problem_solver
[INFO] finished tweaking git repo https://github.com/tobiges/grid_coloring_problem_solver
[INFO] tweaked toml for git repo https://github.com/tobiges/grid_coloring_problem_solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tobiges/grid_coloring_problem_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/tobiges/grid_coloring_problem_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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc2f22d88de96ffacd2657cab7aa7a44f38b213edd74f031385352b9ae5d7805
[INFO] running `Command { std: "docker" "start" "-a" "dc2f22d88de96ffacd2657cab7aa7a44f38b213edd74f031385352b9ae5d7805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2f22d88de96ffacd2657cab7aa7a44f38b213edd74f031385352b9ae5d7805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2f22d88de96ffacd2657cab7aa7a44f38b213edd74f031385352b9ae5d7805", kill_on_drop: false }`
[INFO] [stdout] dc2f22d88de96ffacd2657cab7aa7a44f38b213edd74f031385352b9ae5d7805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c1a81a67d4698728d07ac6746a371bd1755822ea82d347b3c1cc25ddc190aec
[INFO] running `Command { std: "docker" "start" "-a" "9c1a81a67d4698728d07ac6746a371bd1755822ea82d347b3c1cc25ddc190aec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr] warning: varisat@0.2.2: drat-trim proof checker not found, some tests will be disabled: No such file or directory (os error 2)
[INFO] [stderr] warning: varisat@0.2.2: rate proof checker 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-0.2.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=77857a83046f0199 -C extra-filename=-8a79e1b42fec237a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-475bd05d687a4885.rmeta --extern itoa=/opt/rustwide/target/debug/deps/libitoa-8078c4dc9bebd2d0.rmeta --extern leb128=/opt/rustwide/target/debug/deps/libleb128-cf4a2831a229e8ea.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-fc1e654dfa875f7b.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-3cadcfe86035965a.rmeta --extern partial_ref=/opt/rustwide/target/debug/deps/libpartial_ref-4326cc0dcd37115a.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-d4ed3f60bf0246aa.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2bcb736eb9016853.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-c8d689f4ab1bdb8b.rmeta --extern varisat_checker=/opt/rustwide/target/debug/deps/libvarisat_checker-6cb6516c6c910235.rmeta --extern varisat_dimacs=/opt/rustwide/target/debug/deps/libvarisat_dimacs-2cee870028aaec30.rmeta --extern varisat_formula=/opt/rustwide/target/debug/deps/libvarisat_formula-203fc06438ffd2f6.rmeta --extern varisat_internal_macros=/opt/rustwide/target/debug/deps/libvarisat_internal_macros-1343c69efdccf210.so --extern varisat_internal_proof=/opt/rustwide/target/debug/deps/libvarisat_internal_proof-621afae2a06bdfd6.rmeta --extern vec_mut_scan=/opt/rustwide/target/debug/deps/libvec_mut_scan-c4fe3d5db2dfcdee.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9c1a81a67d4698728d07ac6746a371bd1755822ea82d347b3c1cc25ddc190aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1a81a67d4698728d07ac6746a371bd1755822ea82d347b3c1cc25ddc190aec", kill_on_drop: false }`
[INFO] [stdout] 9c1a81a67d4698728d07ac6746a371bd1755822ea82d347b3c1cc25ddc190aec