[INFO] cloning repository https://github.com/SylvanM/gerrymandering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SylvanM/gerrymandering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSylvanM%2Fgerrymandering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSylvanM%2Fgerrymandering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1532e6e6838d49c5dea2f67c384eb268b3c910dc
[INFO] checking SylvanM/gerrymandering 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%2FSylvanM%2Fgerrymandering" "/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/SylvanM/gerrymandering
[INFO] finished tweaking git repo https://github.com/SylvanM/gerrymandering
[INFO] tweaked toml for git repo https://github.com/SylvanM/gerrymandering written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SylvanM/gerrymandering 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/SylvanM/gerrymandering 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] 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] 9a770433f79b4a6a89208e41dce1ffe663ae60ec50e5e9b606d343971e0331de
[INFO] running `Command { std: "docker" "start" "-a" "9a770433f79b4a6a89208e41dce1ffe663ae60ec50e5e9b606d343971e0331de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a770433f79b4a6a89208e41dce1ffe663ae60ec50e5e9b606d343971e0331de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a770433f79b4a6a89208e41dce1ffe663ae60ec50e5e9b606d343971e0331de", kill_on_drop: false }`
[INFO] [stdout] 9a770433f79b4a6a89208e41dce1ffe663ae60ec50e5e9b606d343971e0331de
[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] b523932ae42c45b21642ec8ce1abe13e991393c38f4dfc98e024eca94c720967
[INFO] running `Command { std: "docker" "start" "-a" "b523932ae42c45b21642ec8ce1abe13e991393c38f4dfc98e024eca94c720967", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking algebra_kit v0.1.12
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking matrix_kit v0.1.9
[INFO] [stdout] error[E0001]: `-Znext-solver=globally` and `generic_const_exprs` are incompatible, using them at the same time is not allowed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/matrix_kit-0.1.9/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(generic_const_exprs)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove one of these features
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0001`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matrix_kit` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b523932ae42c45b21642ec8ce1abe13e991393c38f4dfc98e024eca94c720967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b523932ae42c45b21642ec8ce1abe13e991393c38f4dfc98e024eca94c720967", kill_on_drop: false }`
[INFO] [stdout] b523932ae42c45b21642ec8ce1abe13e991393c38f4dfc98e024eca94c720967