[INFO] cloning repository https://github.com/sousandrei/ism330dhcx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sousandrei/ism330dhcx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsousandrei%2Fism330dhcx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsousandrei%2Fism330dhcx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 97dbcbf73db4a85176e0cb038143c2c82188abcc
[INFO] testing sousandrei/ism330dhcx against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsousandrei%2Fism330dhcx" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sousandrei/ism330dhcx on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking git repo https://github.com/sousandrei/ism330dhcx
[INFO] finished tweaking git repo https://github.com/sousandrei/ism330dhcx
[INFO] tweaked toml for git repo https://github.com/sousandrei/ism330dhcx written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sousandrei/ism330dhcx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 277ae9f7bc1bbafc114a5ce7007d7c9d36f123a489282f78b7f1cd7e56b8bd4d
[INFO] running `Command { std: "docker" "start" "-a" "277ae9f7bc1bbafc114a5ce7007d7c9d36f123a489282f78b7f1cd7e56b8bd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277ae9f7bc1bbafc114a5ce7007d7c9d36f123a489282f78b7f1cd7e56b8bd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277ae9f7bc1bbafc114a5ce7007d7c9d36f123a489282f78b7f1cd7e56b8bd4d", kill_on_drop: false }`
[INFO] [stdout] 277ae9f7bc1bbafc114a5ce7007d7c9d36f123a489282f78b7f1cd7e56b8bd4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 3c2fcafa2f7b0a30f089a794995c560a22359f4d5d27ff74d26510d3b544cb53
[INFO] running `Command { std: "docker" "start" "-a" "3c2fcafa2f7b0a30f089a794995c560a22359f4d5d27ff74d26510d3b544cb53", kill_on_drop: false }`
[INFO] [stderr]    Compiling defmt-macros v0.3.1
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]    Compiling defmt-parser v0.3.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ism330dhcx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "3c2fcafa2f7b0a30f089a794995c560a22359f4d5d27ff74d26510d3b544cb53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2fcafa2f7b0a30f089a794995c560a22359f4d5d27ff74d26510d3b544cb53", kill_on_drop: false }`
[INFO] [stdout] 3c2fcafa2f7b0a30f089a794995c560a22359f4d5d27ff74d26510d3b544cb53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1f4702ca2d716e7fca1610e798cf5e89ce2592d5dcbf99612c394629ece3cb9
[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" "f1f4702ca2d716e7fca1610e798cf5e89ce2592d5dcbf99612c394629ece3cb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cortex-m v0.7.1
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling stm32l4 v0.12.1
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling defmt-macros v0.3.1
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]    Compiling ism330dhcx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling stm32l4xx-hal v0.6.0 (https://github.com/stm32-rs/stm32l4xx-hal#36dde28c)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.9.rcgu.o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.50mrjgps1x5retkv.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-f3b52103174a577b/out" "-L" "/opt/rustwide/target/debug/build/defmt-ccb03b2cdfd9677c/out" "-L" "/opt/rustwide/target/debug/build/stm32l4-e4cc5a437e978675/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libism330dhcx-c2acaf741630e031.rlib" "/opt/rustwide/target/debug/deps/libdefmt-4a28f1e4bec64716.rlib" "/opt/rustwide/target/debug/deps/libbitflags-610a73087f46ba3b.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_semihosting-fefc3b3142f8acf7.rlib" "/opt/rustwide/target/debug/deps/libstm32l4xx_hal-7b41a8ca05a0b680.rlib" "/opt/rustwide/target/debug/deps/libcast-574a29a883c97f74.rlib" "/opt/rustwide/target/debug/deps/libstm32l4-dab12b17a8a218b0.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-5c62084901d93389.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-25558395028c94f7.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-7d5814ccae42de09.rlib" "/opt/rustwide/target/debug/deps/libvcell-f61acefe00d126b4.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-9e5b8b383b9c1de0.rlib" "/opt/rustwide/target/debug/deps/libaligned-92da1435dd587bdf.rlib" "/opt/rustwide/target/debug/deps/libas_slice-47a817ccea698172.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-741e8a55e1a3965a.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-eaf7d2005f1708d3.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-d250ac022cddef98.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-988867570b71b4e6.rlib" "/opt/rustwide/target/debug/deps/libtypenum-5a3a7afc00429bcf.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-dbae1d3207b040f6.rlib" "/opt/rustwide/target/debug/deps/libvoid-8ddff08a32a4354c.rlib" "/opt/rustwide/target/debug/deps/libnb-e49350949bd009f4.rlib" "/opt/rustwide/target/debug/deps/libnb-8b1978b732c3a55b.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-cc769ac4732e5110.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5534b29ea7b2d8f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-8bfbb13072fc2761.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d6d1fa92fa620f17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7cfd201521727d95.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0e8010e8fce8e5a7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-19093fec3c6dd913.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-89c4cbe9256c1890.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-73e4507673363945.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-3fe98c0f46f27964.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-a76787f08d45e37d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8cea480e62c5b261.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-1fb939608cd05a1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-842e67e3ab562f66.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0c1c8fec3b1a54cc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-689faa634b72af17.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-83e409bee988c33a.rlib" "/opt/rustwide/target/debug/deps/libr0-0456af7b0c154e1a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6c2c561a8181be5e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-88c4d85fe493b0a6.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5394bdb1df5df01.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.6.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.1/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/stm32l433-cf822f7d16b210a8.stm32l433.912a23d4-cgu.6.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.1/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libcortex_m-25558395028c94f7.rlib(cortex_m-25558395028c94f7.cortex_m.bb87dfd0-cgu.12.rcgu.o): in function `cortex_m::register::primask::read::read_raw':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.1/src/register/primask.rs:30: undefined reference to `__primask_r'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ism330dhcx` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f1f4702ca2d716e7fca1610e798cf5e89ce2592d5dcbf99612c394629ece3cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f4702ca2d716e7fca1610e798cf5e89ce2592d5dcbf99612c394629ece3cb9", kill_on_drop: false }`
[INFO] [stdout] f1f4702ca2d716e7fca1610e798cf5e89ce2592d5dcbf99612c394629ece3cb9