[INFO] fetching crate rumoca 0.7.28...
[INFO] testing rumoca-0.7.28 against master#c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af for pr-154756
[INFO] extracting crate rumoca 0.7.28 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rumoca 0.7.28
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rumoca 0.7.28
[INFO] tweaked toml for crates.io crate rumoca 0.7.28 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rumoca 0.7.28 on toolchain c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rumoca 0.7.28 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" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scnr2_macro v0.3.3
[INFO] [stderr]   Downloaded wasm_sync v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-rayon v1.3.0
[INFO] [stderr]   Downloaded scnr2 v0.3.3
[INFO] [stderr]   Downloaded parol-macros v1.0.0
[INFO] [stderr]   Downloaded xml_writer v0.4.0
[INFO] [stderr]   Downloaded scnr2_generate v0.3.3
[INFO] [stderr]   Downloaded pyo3-macros v0.27.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.27.2
[INFO] [stderr]   Downloaded chksum-core v0.1.0
[INFO] [stderr]   Downloaded lsp-server v0.7.9
[INFO] [stderr]   Downloaded miette-derive v7.6.0
[INFO] [stderr]   Downloaded assert_cmd v2.1.1
[INFO] [stderr]   Downloaded filetime v0.2.26
[INFO] [stderr]   Downloaded ts-rs v11.1.0
[INFO] [stderr]   Downloaded jiff-static v0.2.16
[INFO] [stderr]   Downloaded codespan-reporting v0.13.1
[INFO] [stderr]   Downloaded miette v7.6.0
[INFO] [stderr]   Downloaded parol_runtime v4.1.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.27.2
[INFO] [stderr]   Downloaded minijinja v2.13.0
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded pyo3-build-config v0.27.2
[INFO] [stderr]   Downloaded parol v4.2.1
[INFO] [stderr]   Downloaded rand_regex v0.18.1
[INFO] [stderr]   Downloaded ts-rs-macros v11.1.0
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded syntree v0.18.0
[INFO] [stderr]   Downloaded syntree_layout v0.4.0
[INFO] [stderr]   Downloaded unindent v0.2.4
[INFO] [stderr]   Downloaded chksum-hash-core v0.0.0
[INFO] [stderr]   Downloaded chksum-hash-md5 v0.0.1
[INFO] [stderr]   Downloaded chksum-md5 v0.1.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.44
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded mimalloc v0.1.48
[INFO] [stderr]   Downloaded lalry v0.1.0
[INFO] [stderr]   Downloaded ume v0.1.0
[INFO] [stderr]   Downloaded jiff v0.2.16
[INFO] [stderr]   Downloaded petgraph v0.8.3
[INFO] [stderr]   Downloaded pyo3 v0.27.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fa68cc769b5931770e26a205bf4098e5ad96549e0062fe059f550062c6b9fb3
[INFO] running `Command { std: "docker" "start" "-a" "4fa68cc769b5931770e26a205bf4098e5ad96549e0062fe059f550062c6b9fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fa68cc769b5931770e26a205bf4098e5ad96549e0062fe059f550062c6b9fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa68cc769b5931770e26a205bf4098e5ad96549e0062fe059f550062c6b9fb3", kill_on_drop: false }`
[INFO] [stdout] 4fa68cc769b5931770e26a205bf4098e5ad96549e0062fe059f550062c6b9fb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5124d5141477a8fda5791dcbd0322fe6bfc213f5343cbf80f3a05671aa0f2cac
[INFO] running `Command { std: "docker" "start" "-a" "5124d5141477a8fda5791dcbd0322fe6bfc213f5343cbf80f3a05671aa0f2cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling parol_runtime v4.1.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling syntree v0.18.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling xml_writer v0.4.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling assert_cmd v2.1.1
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling codespan-reporting v0.13.1
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr] error: could not compile `serde_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af/bin/rustc --crate-name serde_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_core-1.0.228/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 -C debuginfo=2 --cfg 'feature="result"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "rc", "result", "std", "unstable"))' -C metadata=d98d9c4e7618e60b -C extra-filename=-735dda40fa06b08b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(if_docsrs_then_no_serde_core)' --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/c2efcc4ae006a6b2761cb42572fc9cee0d1ce4af/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' -C debug-assertions=on --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=e6c847aa57b1021d -C extra-filename=-22e72bb0a3f6664c --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] running `Command { std: "docker" "inspect" "5124d5141477a8fda5791dcbd0322fe6bfc213f5343cbf80f3a05671aa0f2cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5124d5141477a8fda5791dcbd0322fe6bfc213f5343cbf80f3a05671aa0f2cac", kill_on_drop: false }`
[INFO] [stdout] 5124d5141477a8fda5791dcbd0322fe6bfc213f5343cbf80f3a05671aa0f2cac