[INFO] cloning repository https://github.com/serbanrobu/tree-calculus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serbanrobu/tree-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserbanrobu%2Ftree-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserbanrobu%2Ftree-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3973dd390426ed0e08eade953804b4bca8913cd3
[INFO] checking serbanrobu/tree-calculus against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserbanrobu%2Ftree-calculus" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/serbanrobu/tree-calculus
[INFO] finished tweaking git repo https://github.com/serbanrobu/tree-calculus
[INFO] tweaked toml for git repo https://github.com/serbanrobu/tree-calculus written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/serbanrobu/tree-calculus on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/serbanrobu/tree-calculus 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v2.0.11
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded thiserror v2.0.11
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded once_cell v1.20.3
[INFO] [stderr]   Downloaded ena v0.14.3
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded supports-color v3.0.2
[INFO] [stderr]   Downloaded serde v1.0.218
[INFO] [stderr]   Downloaded ascii-canvas v4.0.0
[INFO] [stderr]   Downloaded string_cache v0.8.8
[INFO] [stderr]   Downloaded clap_derive v4.5.28
[INFO] [stderr]   Downloaded textwrap v0.16.1
[INFO] [stderr]   Downloaded windows-core v0.58.0
[INFO] [stderr]   Downloaded loom v0.7.2
[INFO] [stderr]   Downloaded clap v4.5.30
[INFO] [stderr]   Downloaded miette v7.5.0
[INFO] [stderr]   Downloaded logos-codegen v0.15.0
[INFO] [stderr]   Downloaded boxcar v0.2.10
[INFO] [stderr]   Downloaded clap_builder v4.5.30
[INFO] [stderr]   Downloaded lalrpop v0.22.1
[INFO] [stderr]   Downloaded indexmap v2.7.1
[INFO] [stderr]   Downloaded syn v2.0.98
[INFO] [stderr]   Downloaded dashmap v6.1.0
[INFO] [stderr]   Downloaded bitflags v2.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.9
[INFO] [stderr]   Downloaded beef v0.5.2
[INFO] [stderr]   Downloaded miniz_oxide v0.8.5
[INFO] [stderr]   Downloaded owo-colors v4.1.0
[INFO] [stderr]   Downloaded log v0.4.26
[INFO] [stderr]   Downloaded hashlink v0.9.1
[INFO] [stderr]   Downloaded salsa-macros v0.18.0
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded fixedbitset v0.5.7
[INFO] [stderr]   Downloaded term v1.0.1
[INFO] [stderr]   Downloaded semver v1.0.25
[INFO] [stderr]   Downloaded logos-derive v0.15.0
[INFO] [stderr]   Downloaded miette-derive v7.5.0
[INFO] [stderr]   Downloaded salsa v0.18.0
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded generator v0.8.4
[INFO] [stderr]   Downloaded salsa-macro-rules v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.93
[INFO] [stderr]   Downloaded lalrpop-util v0.22.1
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded terminal_size v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.218
[INFO] [stderr]   Downloaded windows-implement v0.58.0
[INFO] [stderr]   Downloaded petgraph v0.7.1
[INFO] [stderr]   Downloaded windows-interface v0.58.0
[INFO] [stderr]   Downloaded logos v0.15.0
[INFO] [stderr]   Downloaded windows v0.58.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c829821010cc89619ddb8f7e5869c1d85f100d7d8bbc3fe0507f93b0bb5c852
[INFO] running `Command { std: "docker" "start" "-a" "4c829821010cc89619ddb8f7e5869c1d85f100d7d8bbc3fe0507f93b0bb5c852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c829821010cc89619ddb8f7e5869c1d85f100d7d8bbc3fe0507f93b0bb5c852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c829821010cc89619ddb8f7e5869c1d85f100d7d8bbc3fe0507f93b0bb5c852", kill_on_drop: false }`
[INFO] [stdout] 4c829821010cc89619ddb8f7e5869c1d85f100d7d8bbc3fe0507f93b0bb5c852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e84ef08f983e2972e59dd6e471a26b60fd75dfb2250564815dda7e3d90ac7b8e
[INFO] running `Command { std: "docker" "start" "-a" "e84ef08f983e2972e59dd6e471a26b60fd75dfb2250564815dda7e3d90ac7b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling term v1.0.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling logos-codegen v0.15.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling string_cache v0.8.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap_builder v4.5.30
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking boxcar v0.2.10
[INFO] [stderr]     Checking salsa-macro-rules v0.1.0
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/61cc47e367d7be91e13bcd01e4e96e0e233d4f6d/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/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="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=bdd04e0f4dc7c7dd -C extra-filename=-a51f3b0cccc0511b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "e84ef08f983e2972e59dd6e471a26b60fd75dfb2250564815dda7e3d90ac7b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84ef08f983e2972e59dd6e471a26b60fd75dfb2250564815dda7e3d90ac7b8e", kill_on_drop: false }`
[INFO] [stdout] e84ef08f983e2972e59dd6e471a26b60fd75dfb2250564815dda7e3d90ac7b8e
