[INFO] updating cached repository https://github.com/zhangpf/fuchsia-bindc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c32a5ad2f6b9803082425b0a24329b5fa777e82
[INFO] testing zhangpf/fuchsia-bindc against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhangpf%2Ffuchsia-bindc" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhangpf/fuchsia-bindc on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhangpf/fuchsia-bindc
[INFO] finished tweaking git repo https://github.com/zhangpf/fuchsia-bindc
[INFO] tweaked toml for git repo https://github.com/zhangpf/fuchsia-bindc written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zhangpf/fuchsia-bindc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e107689f337af76bb7f77c5685233f0220a1620208a1955e73e51841da12c230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e107689f337af76bb7f77c5685233f0220a1620208a1955e73e51841da12c230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e107689f337af76bb7f77c5685233f0220a1620208a1955e73e51841da12c230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e107689f337af76bb7f77c5685233f0220a1620208a1955e73e51841da12c230", kill_on_drop: false }`
[INFO] [stdout] e107689f337af76bb7f77c5685233f0220a1620208a1955e73e51841da12c230
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24969683fa3dfea1e2677bc75b83778a8abd2502e0c6b38e4abe55873312e12d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24969683fa3dfea1e2677bc75b83778a8abd2502e0c6b38e4abe55873312e12d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.5
[INFO] [stderr]    Compiling bindc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.86s
[INFO] running `Command { std: "docker" "inspect" "24969683fa3dfea1e2677bc75b83778a8abd2502e0c6b38e4abe55873312e12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24969683fa3dfea1e2677bc75b83778a8abd2502e0c6b38e4abe55873312e12d", kill_on_drop: false }`
[INFO] [stdout] 24969683fa3dfea1e2677bc75b83778a8abd2502e0c6b38e4abe55873312e12d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90c8a875bccca29e92713223791ddb3637c3ca08f505b382f7d93be507fa976e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90c8a875bccca29e92713223791ddb3637c3ca08f505b382f7d93be507fa976e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bindc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.28s
[INFO] running `Command { std: "docker" "inspect" "90c8a875bccca29e92713223791ddb3637c3ca08f505b382f7d93be507fa976e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c8a875bccca29e92713223791ddb3637c3ca08f505b382f7d93be507fa976e", kill_on_drop: false }`
[INFO] [stdout] 90c8a875bccca29e92713223791ddb3637c3ca08f505b382f7d93be507fa976e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e02c22bc4fbf215e0b6af089cae40fd79ac87aaa170f0e72bc121b0450c1b552
[INFO] running `Command { std: "docker" "start" "-a" "e02c22bc4fbf215e0b6af089cae40fd79ac87aaa170f0e72bc121b0450c1b552", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bindc-0019344835a994c3
[INFO] [stdout] 
[INFO] [stdout] running 150 tests
[INFO] [stdout] test bind_library::test::bool_value_lists::invalid_values ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::no_list ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::multiple_values ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::invalid_list ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::empty_list ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::trailing_comma ... ok
[INFO] [stdout] test bind_library::test::declarations::empty ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::single_value ... ok
[INFO] [stdout] test bind_library::test::declarations::compound_identifier ... ok
[INFO] [stdout] test bind_library::test::declarations::bools ... ok
[INFO] [stdout] test bind_library::test::declarations::no_value ... ok
[INFO] [stdout] test bind_library::test::declarations::numbers ... ok
[INFO] [stdout] test bind_library::test::declarations::enums ... ok
[INFO] [stdout] test bind_library::test::bool_value_lists::whitespace ... ok
[INFO] [stdout] test bind_library::test::declarations::invalid ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::no_list ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::empty_list ... ok
[INFO] [stdout] test bind_library::test::libraries::empty ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::trailing_comma ... ok
[INFO] [stdout] test bind_library::test::declarations::type_mismatch ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::single_value ... ok
[INFO] [stdout] test bind_library::test::declarations::extend ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::multiple_values ... ok
[INFO] [stdout] test bind_library::test::libraries::empty_library ... ok
[INFO] [stdout] test bind_library::test::declarations::strings ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::invalid_list ... ok
[INFO] [stdout] test bind_library::test::library_names::compound_name ... ok
[INFO] [stdout] test bind_library::test::libraries::using_list ... ok
[INFO] [stdout] test bind_library::test::enum_value_lists::whitespace ... ok
[INFO] [stdout] test bind_library::test::libraries::consumes_entire_input ... ok
[INFO] [stdout] test bind_library::test::libraries::multiple_elements ... ok
[INFO] [stdout] test bind_library::test::libraries::declarations ... ok
[INFO] [stdout] test bind_library::test::library_names::empty ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::empty_list ... ok
[INFO] [stdout] test bind_library::test::libraries::whitespace ... ok
[INFO] [stdout] test bind_library::test::library_names::whitespace ... ok
[INFO] [stdout] test bind_library::test::library_names::invalid ... ok
[INFO] [stdout] test bind_library::test::library_names::single_name ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::no_list ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::no_list ... ok
[INFO] [stdout] test bind_program::test::accepts::empty ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::single_value ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::invalid_list ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::whitespace ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::multiple_values ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::invalid_values ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::invalid_list ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::empty_list ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::multiple_values ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::single_value ... ok
[INFO] [stdout] test bind_program::test::condition_ops::invalid ... ok
[INFO] [stdout] test bind_program::test::condition_ops::equality ... ok
[INFO] [stdout] test bind_program::test::condition_ops::empty ... ok
[INFO] [stdout] test bind_program::test::condition_ops::inequality ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::trailing_comma ... ok
[INFO] [stdout] test bind_library::test::number_value_lists::invalid_values ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::trailing_comma ... ok
[INFO] [stdout] test bind_program::test::condition_values::number ... ok
[INFO] [stdout] test bind_program::test::if_statements::empty ... ok
[INFO] [stdout] test bind_library::test::string_value_lists::whitespace ... ok
[INFO] [stdout] test bind_program::test::accepts::multiple_values ... ok
[INFO] [stdout] test bind_program::test::condition_values::string ... ok
[INFO] [stdout] test bind_program::test::accepts::simple ... ok
[INFO] [stdout] test bind_program::test::if_statements::else_if ... ok
[INFO] [stdout] test bind_program::test::condition_values::bool ... ok
[INFO] [stdout] test bind_program::test::conditions::empty ... ok
[INFO] [stdout] test bind_program::test::conditions::equality_condition ... ok
[INFO] [stdout] test bind_program::test::condition_values::identifier ... ok
[INFO] [stdout] test bind_program::test::accepts::trailing_comma ... ok
[INFO] [stdout] test bind_program::test::condition_values::empty ... ok
[INFO] [stdout] test bind_program::test::programs::empty ... ok
[INFO] [stdout] test c_generation::tests::test_abort_value ... ok
[INFO] [stdout] test c_generation::tests::test_goto_if_value ... ok
[INFO] [stdout] test c_generation::tests::test_match_if_value ... ok
[INFO] [stdout] test c_generation::tests::test_label_value ... ok
[INFO] [stdout] test c_generation::tests::test_goto_value ... ok
[INFO] [stdout] test bind_program::test::accepts::invalid ... ok
[INFO] [stdout] test bind_program::test::programs::using_list_optional ... ok
[INFO] [stdout] test compiler::test::condition ... ok
[INFO] [stdout] test bind_program::test::if_statements::invalid ... ok
[INFO] [stdout] test compiler::test::dependencies_error ... ok
[INFO] [stdout] test bind_program::test::programs::requires_statement ... ok
[INFO] [stdout] test compiler::test::accept ... ok
[INFO] [stdout] test compiler::test::if_else_must_be_terminal ... ok
[INFO] [stdout] test bind_program::test::programs::requires_semicolons ... ok
[INFO] [stdout] test bind_program::test::if_statements::simple ... ok
[INFO] [stdout] test c_generation::tests::test_match_value ... ok
[INFO] [stdout] test compiler::test::dependencies ... ok
[INFO] [stdout] test compiler::test::if_else ... ok
[INFO] [stdout] test compiler::test::symbol_table::duplicate_key ... ok
[INFO] [stdout] test compiler::test::symbol_table::duplicate_value ... ok
[INFO] [stdout] test bind_program::test::programs::multiple_statements ... ok
[INFO] [stdout] test bind_program::test::programs::simple ... ok
[INFO] [stdout] test compiler::test::symbol_table::aliased_extension ... ok
[INFO] [stdout] test compiler::test::symbol_table::deprecated_key_extension ... ok
[INFO] [stdout] test compiler::test::symbol_table::missing_extend_keyword ... ok
[INFO] [stdout] test compiler::test::symbol_table::simple_key_and_value ... ok
[INFO] [stdout] test dependency_graph::test::empty ... ok
[INFO] [stdout] test compiler::test::symbol_table::keys_are_qualified ... ok
[INFO] [stdout] test compiler::test::symbol_table::type_mismatch ... ok
[INFO] [stdout] test dependency_graph::test::missing_root_dependency ... ok
[INFO] [stdout] test dependency_graph::test::missing_dependency ... ok
[INFO] [stdout] test dependency_graph::test::insert_replaces ... ok
[INFO] [stdout] test dependency_graph::test::circular_dependency ... ok
[INFO] [stdout] test dependency_graph::test::simple ... ok
[INFO] [stdout] test dependency_graph::test::multiple_incoming_edges ... ok
[INFO] [stdout] test compiler::test::symbol_table::extension ... ok
[INFO] [stdout] test dependency_graph::test::branching_edges ... ok
[INFO] [stdout] test dependency_graph::test::branching_edges_from_root ... ok
[INFO] [stdout] test compiler::test::symbol_table::invalid_extend_keyword ... ok
[INFO] [stdout] test compiler::test::symbol_table::unresolved_qualification ... ok
[INFO] [stdout] test dependency_graph::test::prunes_disconnected_graph ... ok
[INFO] [stdout] test bind_program::test::if_statements::nested ... ok
[INFO] [stdout] test parser_common::test::bool_literals::empty ... ok
[INFO] [stdout] test compiler::test::symbol_table::undeclared_key ... ok
[INFO] [stdout] test instruction::tests::test_complicated_value ... ok
[INFO] [stdout] test parser_common::test::numeric_literals::empty ... ok
[INFO] [stdout] test instruction::tests::test_match_value ... ok
[INFO] [stdout] test parser_common::test::numeric_literals::non_numbers ... ok
[INFO] [stdout] test instruction::tests::test_encode ... ok
[INFO] [stdout] test parser_common::test::numeric_literals::hex ... ok
[INFO] [stdout] test parser_common::test::string_literal::basic ... ok
[INFO] [stdout] test parser_common::test::string_literal::empty ... ok
[INFO] [stdout] test parser_common::test::numeric_literals::overflow ... ok
[INFO] [stdout] test parser_common::test::bool_literals::basic ... ok
[INFO] [stdout] test parser_common::test::numeric_literals::decimal ... ok
[INFO] [stdout] test instruction::tests::test_label_value ... ok
[INFO] [stdout] test instruction::tests::test_goto_value ... ok
[INFO] [stdout] test parser_common::test::identifiers::empty ... ok
[INFO] [stdout] test instruction::tests::test_raw_instruction ... ok
[INFO] [stdout] test parser_common::test::bool_literals::non_bools ... ok
[INFO] [stdout] test instruction::tests::test_abort_value ... ok
[INFO] [stdout] test parser_common::test::identifiers::basic ... ok
[INFO] [stdout] test parser_common::test::compound_identifiers::empty ... ok
[INFO] [stdout] test parser_common::test::whitespace::singleline_comments ... ok
[INFO] [stdout] test parser_common::test::string_literal::match_once ... ok
[INFO] [stdout] test parser_common::test::whitespace::multiline_comments ... ok
[INFO] [stdout] test parser_common::test::whitespace::whitespace ... ok
[INFO] [stdout] test parser_common::test::using_lists::empty ... ok
[INFO] [stdout] test parser_common::test::string_literal::requires_quotations ... ok
[INFO] [stdout] test parser_common::test::identifiers::invalid ... ok
[INFO] [stdout] test parser_common::test::compound_identifiers::single_identifier ... ok
[INFO] [stdout] test parser_common::test::string_literal::escaped ... ok
[INFO] [stdout] test parser_common::test::compound_identifiers::multiple_identifiers ... ok
[INFO] [stdout] test parser_common::test::using_lists::aliases ... ok
[INFO] [stdout] test parser_common::test::using_lists::whitespace ... ok
[INFO] [stdout] test parser_common::test::using_lists::invalid ... ok
[INFO] [stdout] test parser_common::test::using_lists::compound_identifiers ... ok
[INFO] [stdout] test parser_common::test::using_lists::multiple_includes ... ok
[INFO] [stdout] test parser_common::test::using_lists::one_include ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 150 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bindc-03a50c1d949e2af8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::zero_instructions ... ok
[INFO] [stdout] test tests::one_instruction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bindc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e02c22bc4fbf215e0b6af089cae40fd79ac87aaa170f0e72bc121b0450c1b552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02c22bc4fbf215e0b6af089cae40fd79ac87aaa170f0e72bc121b0450c1b552", kill_on_drop: false }`
[INFO] [stdout] e02c22bc4fbf215e0b6af089cae40fd79ac87aaa170f0e72bc121b0450c1b552