[INFO] fetching crate recgen 0.1.2...
[INFO] testing recgen-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate recgen 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate recgen 0.1.2
[INFO] finished tweaking crates.io crate recgen 0.1.2
[INFO] tweaked toml for crates.io crate recgen 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate recgen 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate recgen 0.1.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef4f38446d4c69ba88c46398df393b89a8149bf76a5426ba6ab0848ed039fd33
[INFO] running `Command { std: "docker" "start" "-a" "ef4f38446d4c69ba88c46398df393b89a8149bf76a5426ba6ab0848ed039fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef4f38446d4c69ba88c46398df393b89a8149bf76a5426ba6ab0848ed039fd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef4f38446d4c69ba88c46398df393b89a8149bf76a5426ba6ab0848ed039fd33", kill_on_drop: false }`
[INFO] [stdout] ef4f38446d4c69ba88c46398df393b89a8149bf76a5426ba6ab0848ed039fd33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 274b0134401c637d8fee15b960c684aac1b672e16367f9d8741547dcaa38ab7d
[INFO] running `Command { std: "docker" "start" "-a" "274b0134401c637d8fee15b960c684aac1b672e16367f9d8741547dcaa38ab7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling scratch v1.0.3
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.87
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling link-cplusplus v1.0.8
[INFO] [stderr]    Compiling cxx v1.0.87
[INFO] [stderr]    Compiling cxx-build v1.0.87
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.87
[INFO] [stderr]    Compiling recgen-sys v0.1.2
[INFO] [stderr]    Compiling recgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "274b0134401c637d8fee15b960c684aac1b672e16367f9d8741547dcaa38ab7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274b0134401c637d8fee15b960c684aac1b672e16367f9d8741547dcaa38ab7d", kill_on_drop: false }`
[INFO] [stdout] 274b0134401c637d8fee15b960c684aac1b672e16367f9d8741547dcaa38ab7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7c38b7567cf2325cf7c1606681490fa5d6903e734ed52c0bee740e87ea67d9
[INFO] running `Command { std: "docker" "start" "-a" "ab7c38b7567cf2325cf7c1606681490fa5d6903e734ed52c0bee740e87ea67d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling cxx-build v1.0.87
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling recgen-sys v0.1.2
[INFO] [stderr]    Compiling recgen v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc68hpes/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librecgen-6b927dab815c48a4,librecgen_sys-e49b941e4af77272,libcxx-36095dd2fdf60cf9,liblink_cplusplus-e2ba3a34832e0e77}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lstdc++" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc68hpes/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/cxx-ee79af64da0c5825/out" "-L" "/opt/rustwide/target/debug/build/link-cplusplus-fe246dc32731b0e2/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/bench_duration-456054c12373dd08" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: cxxbridge1$build_generate_bfs
[INFO] [stdout]           >>> referenced by lib.rs:20 (src/lib.rs:20)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(recgen_sys::recgen::build_generate_bfs::hddbb163e82c2b2d8) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recgen` (example "bench_duration") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `recgen` (lib test) due to 1 previous error
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcU7xpo8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libcxx-36095dd2fdf60cf9,liblink_cplusplus-e2ba3a34832e0e77}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lstdc++" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcU7xpo8/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/target/debug/build/cxx-ee79af64da0c5825/out" "-L" "/opt/rustwide/target/debug/build/link-cplusplus-fe246dc32731b0e2/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/recgen-2f90f7888812be85" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: cxxbridge1$config_create
[INFO] [stdout]           >>> referenced by lib.rs:7 (src/lib.rs:7)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(recgen_sys::recgen::config_create::h7f945ce99ee80282) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: cxxbridge1$config_get_ptable
[INFO] [stdout]           >>> referenced by lib.rs:11 (src/lib.rs:11)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(recgen_sys::recgen::config_get_ptable::h11d23ab33a5892f7) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: cxxbridge1$build
[INFO] [stdout]           >>> referenced by lib.rs:26 (src/lib.rs:26)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(recgen_sys::recgen::build::hcc2884c6b3fc8d52) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: cxxbridge1$unique_ptr$Config$raw
[INFO] [stdout]           >>> referenced by lib.rs:10 (src/lib.rs:10)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(_$LT$recgen_sys..recgen..Config$u20$as$u20$cxx..unique_ptr..UniquePtrTarget$GT$::__raw::h2b9688efb4a617bf) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: cxxbridge1$unique_ptr$Config$drop
[INFO] [stdout]           >>> referenced by lib.rs:10 (src/lib.rs:10)
[INFO] [stdout]           >>>               recgen_sys-e49b941e4af77272.recgen_sys.f4d6acee3472e6e4-cgu.0.rcgu.o:(_$LT$recgen_sys..recgen..Config$u20$as$u20$cxx..unique_ptr..UniquePtrTarget$GT$::__drop::h052353fb8b4962aa) in archive /opt/rustwide/target/debug/deps/librecgen_sys-e49b941e4af77272.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab7c38b7567cf2325cf7c1606681490fa5d6903e734ed52c0bee740e87ea67d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7c38b7567cf2325cf7c1606681490fa5d6903e734ed52c0bee740e87ea67d9", kill_on_drop: false }`
[INFO] [stdout] ab7c38b7567cf2325cf7c1606681490fa5d6903e734ed52c0bee740e87ea67d9