[INFO] fetching crate sparsela 0.2.3...
[INFO] testing sparsela-0.2.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sparsela 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sparsela 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sparsela 0.2.3
[INFO] tweaked toml for crates.io crate sparsela 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparsela 0.2.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparsela 0.2.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a85b2808a690227844f0862177a3570853ecd9564a0236a0cfbe98bf9360774
[INFO] running `Command { std: "docker" "start" "-a" "7a85b2808a690227844f0862177a3570853ecd9564a0236a0cfbe98bf9360774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a85b2808a690227844f0862177a3570853ecd9564a0236a0cfbe98bf9360774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a85b2808a690227844f0862177a3570853ecd9564a0236a0cfbe98bf9360774", kill_on_drop: false }`
[INFO] [stdout] 7a85b2808a690227844f0862177a3570853ecd9564a0236a0cfbe98bf9360774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e3c4d07f67d77f8f959b89eb9fa8700c6f3540532b547ddd509c60c8595d188
[INFO] running `Command { std: "docker" "start" "-a" "3e3c4d07f67d77f8f959b89eb9fa8700c6f3540532b547ddd509c60c8595d188", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparsela v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `iter_forward_exclusive` is never used
[INFO] [stdout]   --> src/rbtree/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<K, V> RBtreeNode<K, V> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn iter_forward_exclusive(&self) -> RBtreeForwardIterator<K, V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_subtree_integrity_unordered` and `check_integrity_unordered` are never used
[INFO] [stdout]   --> src/rbtree/check.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] 46 |     pub fn check_subtree_integrity_unordered(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn check_integrity_unordered(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_belonging` is never used
[INFO] [stdout]   --> src/rbtree/check.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 84 |     pub fn check_belonging(&self, mut node: *const RBtreeNode<K, V>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "3e3c4d07f67d77f8f959b89eb9fa8700c6f3540532b547ddd509c60c8595d188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3c4d07f67d77f8f959b89eb9fa8700c6f3540532b547ddd509c60c8595d188", kill_on_drop: false }`
[INFO] [stdout] 3e3c4d07f67d77f8f959b89eb9fa8700c6f3540532b547ddd509c60c8595d188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe7a9df2ff5317fb9580921a9e4b103aac753b972486ac24464e57cf7f7ba75
[INFO] running `Command { std: "docker" "start" "-a" "6fe7a9df2ff5317fb9580921a9e4b103aac753b972486ac24464e57cf7f7ba75", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling xdg v3.0.0
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stdout] warning: method `iter_forward_exclusive` is never used
[INFO] [stdout]   --> src/rbtree/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<K, V> RBtreeNode<K, V> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn iter_forward_exclusive(&self) -> RBtreeForwardIterator<K, V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_subtree_integrity_unordered` and `check_integrity_unordered` are never used
[INFO] [stdout]   --> src/rbtree/check.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] 46 |     pub fn check_subtree_integrity_unordered(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn check_integrity_unordered(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_belonging` is never used
[INFO] [stdout]   --> src/rbtree/check.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 84 |     pub fn check_belonging(&self, mut node: *const RBtreeNode<K, V>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling afl v0.16.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling clap_builder v4.5.48
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling clap v4.5.48
[INFO] [stderr]    Compiling criterion-plot v0.6.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling half v2.7.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling criterion v0.7.0
[INFO] [stderr]    Compiling sparsela v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `iter_forward_exclusive` is never used
[INFO] [stdout]   --> src/rbtree/mod.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl<K, V> RBtreeNode<K, V> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 73 |     pub fn iter_forward_exclusive(&self) -> RBtreeForwardIterator<K, V> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `check_subtree_integrity_unordered` and `check_integrity_unordered` are never used
[INFO] [stdout]   --> src/rbtree/check.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- methods in this implementation
[INFO] [stdout] 46 |     pub fn check_subtree_integrity_unordered(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn check_integrity_unordered(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_belonging` is never used
[INFO] [stdout]   --> src/rbtree/check.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl<K, V> RBtree<K, V> {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] 84 |     pub fn check_belonging(&self, mut node: *const RBtreeNode<K, V>) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc6iuZaB/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libsparsela-adbe51cd923e0d38,librand-8cfedd69c25d6721,librand_chacha-bcb3aa246eec79d8,libppv_lite86-478bf8976d7b0214,libzerocopy-3d59f776705746dd,librand_core-d61a8872fa1cde9c,libgetrandom-cd5c32ad92e283fd,liblibc-30ffb0440c90cdd5,libcfg_if-ae1e883b62e8dab7,libapprox-69c97556fa0ceffd,libnum_traits-a4db6376cc076094,libafl-b28f6489ec50d18c}.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" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc6iuZaB/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" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22" "-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: __afl_manual_init
[INFO] [stdout]           >>> referenced by lib.rs:281 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:281)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __afl_persistent_loop
[INFO] [stdout]           >>> referenced by lib.rs:283 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:283)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __afl_fuzz_ptr
[INFO] [stdout]           >>> referenced by lib.rs:285 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:285)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           >>> referenced by lib.rs:285 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:285)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           >>> referenced by lib.rs:297 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:297)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           >>> referenced 1 more times
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: __afl_fuzz_len
[INFO] [stdout]           >>> referenced by lib.rs:296 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:296)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           >>> referenced by lib.rs:296 (/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/afl-0.16.0/src/lib.rs:296)
[INFO] [stdout]           >>>               /opt/rustwide/target/debug/examples/fuzz_gauss-50481106772c1d22.fuzz_gauss.e84e1c47f22905de-cgu.2.rcgu.o:(afl::fuzz::hb679d844563f6a36)
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sparsela` (example "fuzz_gauss") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6fe7a9df2ff5317fb9580921a9e4b103aac753b972486ac24464e57cf7f7ba75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe7a9df2ff5317fb9580921a9e4b103aac753b972486ac24464e57cf7f7ba75", kill_on_drop: false }`
[INFO] [stdout] 6fe7a9df2ff5317fb9580921a9e4b103aac753b972486ac24464e57cf7f7ba75
