[INFO] fetching crate gategen 0.1.0... [INFO] testing gategen-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate gategen 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate gategen 0.1.0 [INFO] finished tweaking crates.io crate gategen 0.1.0 [INFO] tweaked toml for crates.io crate gategen 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gategen 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.2.0) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65ff3ea715bbb09a338c744fb1cc7a0195f0561c80753b3d5d6650651058583e [INFO] running `Command { std: "docker" "start" "-a" "65ff3ea715bbb09a338c744fb1cc7a0195f0561c80753b3d5d6650651058583e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65ff3ea715bbb09a338c744fb1cc7a0195f0561c80753b3d5d6650651058583e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65ff3ea715bbb09a338c744fb1cc7a0195f0561c80753b3d5d6650651058583e", kill_on_drop: false }` [INFO] [stdout] 65ff3ea715bbb09a338c744fb1cc7a0195f0561c80753b3d5d6650651058583e [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9073f7e59b92eb212ec6646bdc2da3f750de9b8ec5fe7f3e7305efc8d77ffbd7 [INFO] running `Command { std: "docker" "start" "-a" "9073f7e59b92eb212ec6646bdc2da3f750de9b8ec5fe7f3e7305efc8d77ffbd7", kill_on_drop: false }` [INFO] [stderr] Compiling gate_calc_log_bits v0.1.0 [INFO] [stderr] Compiling itoap v1.0.1 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling gatesim v0.1.1 [INFO] [stderr] Compiling gateutil v0.1.0 [INFO] [stderr] Compiling gategen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.19s [INFO] running `Command { std: "docker" "inspect" "9073f7e59b92eb212ec6646bdc2da3f750de9b8ec5fe7f3e7305efc8d77ffbd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9073f7e59b92eb212ec6646bdc2da3f750de9b8ec5fe7f3e7305efc8d77ffbd7", kill_on_drop: false }` [INFO] [stdout] 9073f7e59b92eb212ec6646bdc2da3f750de9b8ec5fe7f3e7305efc8d77ffbd7 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e5d4fd1196516d3b4468fb3fed46ba038db2e83c8e6408a559e69661b0dd71e [INFO] running `Command { std: "docker" "start" "-a" "1e5d4fd1196516d3b4468fb3fed46ba038db2e83c8e6408a559e69661b0dd71e", kill_on_drop: false }` [INFO] [stderr] Compiling gategen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 24.96s [INFO] running `Command { std: "docker" "inspect" "1e5d4fd1196516d3b4468fb3fed46ba038db2e83c8e6408a559e69661b0dd71e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e5d4fd1196516d3b4468fb3fed46ba038db2e83c8e6408a559e69661b0dd71e", kill_on_drop: false }` [INFO] [stdout] 1e5d4fd1196516d3b4468fb3fed46ba038db2e83c8e6408a559e69661b0dd71e [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 196124164cb8700e025a1fe74b1660c46780a88c18736d244c6216576a8b7b43 [INFO] running `Command { std: "docker" "start" "-a" "196124164cb8700e025a1fe74b1660c46780a88c18736d244c6216576a8b7b43", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gategen-03d55374639bdbdf) [INFO] [stdout] [INFO] [stdout] running 121 tests [INFO] [stdout] test boolexpr::tests::test_expr_bool_opt_ite ... ok [INFO] [stdout] test boolexpr::tests::test_expr_full_adder ... ok [INFO] [stdout] test boolexpr::tests::test_expr_half_adder ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes ... ok [INFO] [stdout] test boolexpr::tests::test_expr_node_varlit ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_and_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_equal_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_impl_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_lits_1 ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_lits_2 ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_lits_3 ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_lits_imp_equal ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_not_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_or_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_lits_imp_equal_2 ... ok [INFO] [stdout] test boolexpr::tests::test_expr_nodes_xor_simpls ... ok [INFO] [stdout] test boolexpr::tests::test_expr_op_assign ... ok [INFO] [stdout] test boolexpr::tests::test_expr_op_assign_lit ... ok [INFO] [stdout] test boolexpr::tests::test_expr_opt_full_adder ... ok [INFO] [stdout] test boolexpr::tests::test_input_map_to_input_list_with_map ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_addc_same_carry ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_addc_with_carry ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_bitor ... ok [INFO] [stdout] test boolexpr::tests::test_from_circuit ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_cond_add ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_bitxor ... ok [INFO] [stdout] test boolexpr_creator::tests::test_to_circuit_1 ... ok [INFO] [stdout] test boolexpr_creator::tests::test_to_circuit_2 ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_addc ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_bitand ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_dynint_ite ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_dynint_table ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_dynint_demux ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_cond_sub ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_fullmul ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_div ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_dynint_booltable ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_dynint_booldemux ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_mod_sub ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_mod_add ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_not ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_cond_mul ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_from_int_expr_node ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_unaryops ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_divmod ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_mod_mul ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_rotate_left ... ok [INFO] [stdout] test boolexpr::tests::test_expr_bool_ite ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_cond_shr ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_rem ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_rotate_right ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_bitval ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_subc ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_try_from_n_uncond ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_try_from_n ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_try_int_constant_n ... ok [INFO] [stdout] test int_utils::tests::test_gen_dadda_matrix ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_int_ord ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_shl ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitand ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitand_assign ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitor_assign ... ok [INFO] [stdout] test int_utils::tests::test_gen_dadda_mult ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_shr ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_int_equal ... ok [INFO] [stdout] test dynintexpr::arith::tests::test_expr_node_cond_shl ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitor ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitxor ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_bitxor_assign ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_not ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_rotate_right ... ok [INFO] [stdout] test dynintexpr::extra_arith::tests::test_expr_node_ops ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_shl_and_shl_assign ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_cond_sub ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_cond_add ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_mod_add_and_assign ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_abs ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_cond_mul ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_rotate_left ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_fullmul_unsigned ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_div ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_cond_neg ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_mod ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_add_primitives ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_mod_neg ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_mod_mul_and_assign ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_fullmul_signed ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_divmod ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_shr_and_shr_assign ... ok [INFO] [stdout] test intexpr::tests::test_expr_node ... ok [INFO] [stdout] test intexpr::tests::test_expr_node_from ... ok [INFO] [stdout] test intexpr::tests::test_expr_node_manip ... ok [INFO] [stdout] test intexpr::tests::test_int_booldemux ... ok [INFO] [stdout] test intexpr::tests::test_expr_node_try_from_dynint_expr_node ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_bitmask ... ok [INFO] [stdout] test intexpr::tests::test_int_booltable ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_bitval ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_cond_shr ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_bitmask_prim_types ... ok [INFO] [stdout] test intexpr::tests::test_int_ite ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_bitval_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_cond_shift_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_equal_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_divmod_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_fullmul_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_cond_arith_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_signed_int_ord ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_int_equal ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_try_int_constant ... ok [INFO] [stdout] test intexpr::bin_arith::tests::test_expr_node_cond_shl ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_unsigned_int_ord ... ok [INFO] [stdout] test intexpr::tests::test_int_demux ... ok [INFO] [stdout] test intexpr::traits::tests::test_expr_node_int_constant ... ok [INFO] [stdout] test intexpr::tests::test_int_table ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_mod_arith_prim_types ... ok [INFO] [stdout] test intexpr::traits::tests::test_int_ord_prim_types ... ok [INFO] [stdout] test intexpr::tests::test_expr_node_try_from ... ok [INFO] [stdout] test intexpr::int_arith::tests::test_expr_node_mod_sub_and_assign ... ok [INFO] [stdout] test dynintexpr::tests::test_expr_node_manip ... ok [INFO] [stdout] test boolexpr_creator::tests::test_to_circuit_3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 121 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.75s [INFO] [stdout] [INFO] [stderr] Doc-tests gategen [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test src/boolvar.rs - boolvar (line 12) ... ok [INFO] [stdout] test src/dynintvar/mod.rs - dynintvar (line 31) ... ok [INFO] [stdout] test src/boolexpr.rs - boolexpr (line 9) ... ok [INFO] [stdout] test src/intexpr/mod.rs - intexpr (line 43) ... ok [INFO] [stdout] test src/dynintexpr/mod.rs - dynintexpr (line 33) ... ok [INFO] [stdout] test src/lib.rs - (line 76) ... ok [INFO] [stdout] test src/intvar/mod.rs - intvar (line 33) ... ok [INFO] [stdout] test src/lib.rs - (line 41) ... ok [INFO] [stdout] test src/intexpr/mod.rs - intexpr (line 69) ... ok [INFO] [stdout] test src/intvar/mod.rs - intvar (line 56) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "196124164cb8700e025a1fe74b1660c46780a88c18736d244c6216576a8b7b43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "196124164cb8700e025a1fe74b1660c46780a88c18736d244c6216576a8b7b43", kill_on_drop: false }` [INFO] [stdout] 196124164cb8700e025a1fe74b1660c46780a88c18736d244c6216576a8b7b43