[INFO] fetching crate askar-crypto 0.2.4... [INFO] testing askar-crypto-0.2.4 against 1.60.0 for beta-1.61-1 [INFO] extracting crate askar-crypto 0.2.4 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate askar-crypto 0.2.4 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate askar-crypto 0.2.4 [INFO] finished tweaking crates.io crate askar-crypto 0.2.4 [INFO] tweaked toml for crates.io crate askar-crypto 0.2.4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded base16ct v0.1.1 [INFO] [stderr] Downloaded hkdf v0.12.3 [INFO] [stderr] Downloaded k256 v0.10.4 [INFO] [stderr] Downloaded elliptic-curve v0.11.12 [INFO] [stderr] Downloaded sec1 v0.2.1 [INFO] [stderr] Downloaded base64ct v1.0.1 [INFO] [stderr] Downloaded password-hash v0.3.2 [INFO] [stderr] Downloaded argon2 v0.3.4 [INFO] [stderr] Downloaded salsa20 v0.8.0 [INFO] [stderr] Downloaded serde-json-core v0.4.0 [INFO] [stderr] Downloaded xsalsa20poly1305 v0.7.1 [INFO] [stderr] Downloaded crypto_box v0.6.0 [INFO] [stderr] Downloaded chacha20poly1305 v0.8.0 [INFO] [stderr] Downloaded bls12_381 v0.6.0 [INFO] [stderr] Downloaded blake2 v0.10.4 [INFO] [stderr] Downloaded chacha20 v0.7.1 [INFO] [stderr] Downloaded group v0.11.0 [INFO] [stderr] Downloaded x25519-dalek v1.1.1 [INFO] [stderr] Downloaded p256 v0.10.1 [INFO] [stderr] Downloaded const-oid v0.7.1 [INFO] [stderr] Downloaded rfc6979 v0.1.0 [INFO] [stderr] Downloaded signature v1.4.0 [INFO] [stderr] Downloaded ecdsa v0.13.4 [INFO] [stderr] Downloaded crypto-bigint v0.3.2 [INFO] [stderr] Downloaded ff v0.11.0 [INFO] [stderr] Downloaded der v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e896b3db70020e2e9755acbed7655e14b8061638f32156a61f01211290fe98d9 [INFO] running `Command { std: "docker" "start" "-a" "e896b3db70020e2e9755acbed7655e14b8061638f32156a61f01211290fe98d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e896b3db70020e2e9755acbed7655e14b8061638f32156a61f01211290fe98d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e896b3db70020e2e9755acbed7655e14b8061638f32156a61f01211290fe98d9", kill_on_drop: false }` [INFO] [stdout] e896b3db70020e2e9755acbed7655e14b8061638f32156a61f01211290fe98d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6b18434cef6ee9a53916a9e8d3b9af62331186ae8940f57bcaa1bf1fbc40954 [INFO] running `Command { std: "docker" "start" "-a" "f6b18434cef6ee9a53916a9e8d3b9af62331186ae8940f57bcaa1bf1fbc40954", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling subtle v2.4.1 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling cpufeatures v0.2.2 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling const-oid v0.7.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling base16ct v0.1.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling cpufeatures v0.1.5 [INFO] [stderr] Compiling block-padding v0.2.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling der v0.5.1 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling ff v0.11.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling group v0.11.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling cipher v0.3.0 [INFO] [stderr] Compiling universal-hash v0.4.1 [INFO] [stderr] Compiling crypto-common v0.1.3 [INFO] [stderr] Compiling block-buffer v0.10.2 [INFO] [stderr] Compiling crypto-mac v0.11.1 [INFO] [stderr] Compiling aead v0.4.3 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling poly1305 v0.7.2 [INFO] [stderr] Compiling polyval v0.5.3 [INFO] [stderr] Compiling signature v1.4.0 [INFO] [stderr] Compiling digest v0.10.3 [INFO] [stderr] Compiling hmac v0.11.0 [INFO] [stderr] Compiling sha2 v0.9.9 [INFO] [stderr] Compiling ctr v0.8.0 [INFO] [stderr] Compiling aes v0.7.5 [INFO] [stderr] Compiling block-modes v0.8.1 [INFO] [stderr] Compiling ed25519 v1.4.1 [INFO] [stderr] Compiling hmac v0.12.1 [INFO] [stderr] Compiling blake2 v0.10.4 [INFO] [stderr] Compiling sha2 v0.10.2 [INFO] [stderr] Compiling ghash v0.4.4 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling aes-gcm v0.9.4 [INFO] [stderr] Compiling hkdf v0.12.3 [INFO] [stderr] Compiling zeroize_derive v1.3.2 [INFO] [stderr] Compiling zeroize v1.5.4 [INFO] [stderr] Compiling crypto-bigint v0.3.2 [INFO] [stderr] Compiling sec1 v0.2.1 [INFO] [stderr] Compiling curve25519-dalek v3.2.0 [INFO] [stderr] Compiling salsa20 v0.8.0 [INFO] [stderr] Compiling chacha20 v0.7.1 [INFO] [stderr] Compiling bls12_381 v0.6.0 [INFO] [stderr] Compiling xsalsa20poly1305 v0.7.1 [INFO] [stderr] Compiling chacha20poly1305 v0.8.0 [INFO] [stderr] Compiling x25519-dalek v1.1.1 [INFO] [stderr] Compiling ed25519-dalek v1.0.1 [INFO] [stderr] Compiling elliptic-curve v0.11.12 [INFO] [stderr] Compiling rfc6979 v0.1.0 [INFO] [stderr] Compiling crypto_box v0.6.0 [INFO] [stderr] Compiling ecdsa v0.13.4 [INFO] [stderr] Compiling p256 v0.10.1 [INFO] [stderr] Compiling k256 v0.10.4 [INFO] [stderr] Compiling serde-json-core v0.4.0 [INFO] [stderr] Compiling askar-crypto v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.01s [INFO] running `Command { std: "docker" "inspect" "f6b18434cef6ee9a53916a9e8d3b9af62331186ae8940f57bcaa1bf1fbc40954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b18434cef6ee9a53916a9e8d3b9af62331186ae8940f57bcaa1bf1fbc40954", kill_on_drop: false }` [INFO] [stdout] f6b18434cef6ee9a53916a9e8d3b9af62331186ae8940f57bcaa1bf1fbc40954 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efae8427ba3fae7a1a9c8136d2c97fb79cf4132418aca30c180d04b08870ad06 [INFO] running `Command { std: "docker" "start" "-a" "efae8427ba3fae7a1a9c8136d2c97fb79cf4132418aca30c180d04b08870ad06", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling askar-crypto v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 22.69s [INFO] running `Command { std: "docker" "inspect" "efae8427ba3fae7a1a9c8136d2c97fb79cf4132418aca30c180d04b08870ad06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efae8427ba3fae7a1a9c8136d2c97fb79cf4132418aca30c180d04b08870ad06", kill_on_drop: false }` [INFO] [stdout] efae8427ba3fae7a1a9c8136d2c97fb79cf4132418aca30c180d04b08870ad06 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0710ba4099925445d5ae2aff8d5e0045ba110fed769c25bbd29d61957a7fb9e8 [INFO] running `Command { std: "docker" "start" "-a" "0710ba4099925445d5ae2aff8d5e0045ba110fed769c25bbd29d61957a7fb9e8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.27s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/askar_crypto-dfecc14facbd334d) [INFO] [stdout] [INFO] [stdout] running 57 tests [INFO] [stdout] test alg::aes::cbc_hmac::tests::encrypt_expected_cbc_128_hmac_256 ... ok [INFO] [stdout] test alg::aes::cbc_hmac::tests::encrypt_expected_cbc_256_hmac_512 ... ok [INFO] [stdout] test alg::aes::cbc_hmac::tests::encrypt_expected_ecdh_1pu_cbc_hmac ... ok [INFO] [stdout] test alg::aes::tests::encrypt_round_trip ... ok [INFO] [stdout] test alg::aes::key_wrap::tests::key_wrap_256_expected ... ok [INFO] [stdout] test alg::aes::key_wrap::tests::key_wrap_128_expected ... ok [INFO] [stdout] test alg::aes::tests::test_random ... ok [INFO] [stdout] test alg::aes::tests::serialize_round_trip ... ok [INFO] [stdout] test alg::any::tests::ed25519_as_any ... ok [INFO] [stdout] test alg::any::tests::key_encrypt_any ... ok [INFO] [stdout] test alg::any::tests::key_exchange_any ... ok [INFO] [stdout] test alg::chacha20::tests::encrypt_round_trip ... ok [INFO] [stdout] test alg::chacha20::tests::serialize_round_trip ... ok [INFO] [stdout] test alg::ed25519::tests::ed25519_to_x25519 ... ok [INFO] [stdout] test alg::bls::tests::g1_jwk_any_compat ... ok [INFO] [stdout] test alg::bls::tests::g1_key_expected ... ok [INFO] [stdout] test alg::ed25519::tests::expand_keypair ... ok [INFO] [stdout] test alg::ed25519::tests::jwk_expected ... ok [INFO] [stdout] test alg::ed25519::tests::round_trip_bytes ... ok [INFO] [stdout] test alg::ed25519::tests::sign_verify_expected ... ok [INFO] [stdout] test alg::x25519::tests::jwk_expected ... ok [INFO] [stdout] test alg::k256::tests::jwk_expected ... ok [INFO] [stdout] test alg::k256::tests::key_exchange_random ... ok [INFO] [stdout] test buffer::secret::tests::write_buffer_secret ... ok [INFO] [stdout] test buffer::string::tests::hex_repr_output ... ok [INFO] [stdout] test alg::x25519::tests::round_trip_bytes ... ok [INFO] [stdout] test buffer::secret::tests::resize_buffer_secret ... ok [INFO] [stdout] test jwk::ops::tests::invariants ... ok [INFO] [stdout] test kdf::concat::tests::expected_1pu_output ... ok [INFO] [stdout] test alg::p256::tests::jwk_thumbprint ... ok [INFO] [stdout] test alg::bls::tests::g1_jwk_expected ... ok [INFO] [stdout] test alg::bls::tests::key_gen_expected ... ok [INFO] [stdout] test alg::tests::cmp_normalize ... ok [INFO] [stdout] test encrypt::crypto_box::tests::crypto_box_round_trip_expected ... ok [INFO] [stdout] test alg::x25519::tests::key_exchange_random ... ok [INFO] [stdout] test alg::k256::tests::round_trip_bytes ... ok [INFO] [stdout] test buffer::string::tests::maybe_str_output ... ok [INFO] [stdout] test jwk::ops::tests::debug_format ... ok [INFO] [stdout] test jwk::parts::tests::parse_sample_okp ... ok [INFO] [stdout] test buffer::writer::tests::write_buffer_slice ... ok [INFO] [stdout] test buffer::tests::resize_buffer_vec ... ok [INFO] [stdout] test buffer::string::tests::hex_repr_cmp ... ok [INFO] [stdout] test jwk::encode::tests::serialize_jwk ... ok [INFO] [stdout] test encrypt::crypto_box::tests::crypto_box_seal_round_trip ... ok [INFO] [stdout] test buffer::tests::write_buffer_vec ... ok [INFO] [stdout] test alg::p256::tests::jwk_expected ... ok [INFO] [stdout] test alg::k256::tests::sign_verify_expected ... ok [INFO] [stdout] test encrypt::crypto_box::tests::crypto_box_unseal_expected ... ok [INFO] [stdout] test kdf::ecdh_1pu::tests::expected_1pu_wrapped_output ... ok [INFO] [stdout] test kdf::ecdh_es::tests::expected_es_direct_output ... ok [INFO] [stdout] test random::tests::fill_random_det_expected ... ok [INFO] [stdout] test alg::p256::tests::round_trip_bytes ... ok [INFO] [stdout] test alg::p256::tests::key_exchange_random ... ok [INFO] [stdout] test alg::bls::tests::g2_key_expected ... ok [INFO] [stdout] test kdf::ecdh_1pu::tests::expected_1pu_direct_output ... ok [INFO] [stdout] test alg::p256::tests::sign_verify_expected ... ok [INFO] [stderr] Doc-tests askar-crypto [INFO] [stdout] test alg::bls::tests::g1g2_key_expected ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0710ba4099925445d5ae2aff8d5e0045ba110fed769c25bbd29d61957a7fb9e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0710ba4099925445d5ae2aff8d5e0045ba110fed769c25bbd29d61957a7fb9e8", kill_on_drop: false }` [INFO] [stdout] 0710ba4099925445d5ae2aff8d5e0045ba110fed769c25bbd29d61957a7fb9e8