[INFO] fetching crate geometric 0.2.1...
[INFO] testing geometric-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate geometric 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate geometric 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate geometric 0.2.1
[INFO] finished tweaking crates.io crate geometric 0.2.1
[INFO] tweaked toml for crates.io crate geometric 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 428e165e53663d6686be926dbe88e2ffe5c502c723b496e8e55a2ee282a07f99
[INFO] running `Command { std: "docker" "start" "-a" "428e165e53663d6686be926dbe88e2ffe5c502c723b496e8e55a2ee282a07f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "428e165e53663d6686be926dbe88e2ffe5c502c723b496e8e55a2ee282a07f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428e165e53663d6686be926dbe88e2ffe5c502c723b496e8e55a2ee282a07f99", kill_on_drop: false }`
[INFO] [stdout] 428e165e53663d6686be926dbe88e2ffe5c502c723b496e8e55a2ee282a07f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eaf727b75e7650e9a3b70140183bf769cdb2b1ccf77a7e76386a69bb16abf72
[INFO] running `Command { std: "docker" "start" "-a" "3eaf727b75e7650e9a3b70140183bf769cdb2b1ccf77a7e76386a69bb16abf72", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling geometric v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl_vector_type!(Vector2, 2, [x: 0, y: 1]);
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl_vector_type!(Vector3, 3, [x: 0, y: 1, z: 2]);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl_vector_type!(Vector4, 4, [x: 0, y: 1, z: 2, w: 3]);
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3eaf727b75e7650e9a3b70140183bf769cdb2b1ccf77a7e76386a69bb16abf72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eaf727b75e7650e9a3b70140183bf769cdb2b1ccf77a7e76386a69bb16abf72", kill_on_drop: false }`
[INFO] [stdout] 3eaf727b75e7650e9a3b70140183bf769cdb2b1ccf77a7e76386a69bb16abf72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7b7a3fd165c7e07f71de5997adff60afd9741674e2912367f31662a0dd3c5f
[INFO] running `Command { std: "docker" "start" "-a" "dd7b7a3fd165c7e07f71de5997adff60afd9741674e2912367f31662a0dd3c5f", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl_vector_type!(Vector2, 2, [x: 0, y: 1]);
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl_vector_type!(Vector3, 3, [x: 0, y: 1, z: 2]);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling geometric v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl_vector_type!(Vector4, 4, [x: 0, y: 1, z: 2, w: 3]);
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl_vector_type!(Vector2, 2, [x: 0, y: 1]);
[INFO] [stdout]    | -------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl_vector_type!(Vector3, 3, [x: 0, y: 1, z: 2]);
[INFO] [stdout]    | -------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/vectors/macros.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/vectors/mod.rs:77:1
[INFO] [stdout]    |
[INFO] [stdout] 77 | impl_vector_type!(Vector4, 4, [x: 0, y: 1, z: 2, w: 3]);
[INFO] [stdout]    | -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "dd7b7a3fd165c7e07f71de5997adff60afd9741674e2912367f31662a0dd3c5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7b7a3fd165c7e07f71de5997adff60afd9741674e2912367f31662a0dd3c5f", kill_on_drop: false }`
[INFO] [stdout] dd7b7a3fd165c7e07f71de5997adff60afd9741674e2912367f31662a0dd3c5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c720f57137459e333f6713e2519a5b47ab0c0b8b4f4f87d039d83943c8bad1b2
[INFO] running `Command { std: "docker" "start" "-a" "c720f57137459e333f6713e2519a5b47ab0c0b8b4f4f87d039d83943c8bad1b2", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/vectors/macros.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/vectors/mod.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl_vector_type!(Vector2, 2, [x: 0, y: 1]);
[INFO] [stderr]    | -------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/vectors/macros.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/vectors/mod.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | impl_vector_type!(Vector3, 3, [x: 0, y: 1, z: 2]);
[INFO] [stderr]    | -------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/vectors/macros.rs:35:42
[INFO] [stderr]    |
[INFO] [stderr] 35 |                     output = ::std::mem::uninitialized();
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/vectors/mod.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl_vector_type!(Vector4, 4, [x: 0, y: 1, z: 2, w: 3]);
[INFO] [stderr]    | -------------------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `impl_vector_type` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `geometric` (lib) generated 3 warnings
[INFO] [stderr] warning: `geometric` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/geometric-441a881212b289ee)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test matrices::tests::construction ... ok
[INFO] [stdout] test matrices::tests::determinant ... ok
[INFO] [stdout] test matrices::tests::inverse ... ok
[INFO] [stdout] test matrices::tests::multiplication_4d ... ok
[INFO] [stdout] test matrices::tests::transformation_building ... ok
[INFO] [stdout] test matrices::tests::transpose ... ok
[INFO] [stdout] test matrices::tests::multiplication_3d ... ok
[INFO] [stdout] test vectors::tests::basic_operators ... ok
[INFO] [stdout] test vectors::tests::abs_value ... ok
[INFO] [stdout] test vectors::tests::conversions ... ok
[INFO] [stdout] test vectors::tests::component_accessors ... ok
[INFO] [stdout] test vectors::tests::dot_product ... ok
[INFO] [stdout] test vectors::tests::cross_product_and_ortho ... ok
[INFO] [stdout] test vectors::tests::construction ... ok
[INFO] [stdout] test vectors::tests::projection ... ok
[INFO] [stdout] test vectors::tests::normalization ... ok
[INFO] [stdout] test vectors::tests::magnitudes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/end_user_test.rs (/opt/rustwide/target/debug/deps/end_user_test-8ca7ee8256a226c3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test basic_vector_operations ... ok
[INFO] [stderr]    Doc-tests geometric
[INFO] [stdout] test basic_matrix_multiplications ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "c720f57137459e333f6713e2519a5b47ab0c0b8b4f4f87d039d83943c8bad1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c720f57137459e333f6713e2519a5b47ab0c0b8b4f4f87d039d83943c8bad1b2", kill_on_drop: false }`
[INFO] [stdout] c720f57137459e333f6713e2519a5b47ab0c0b8b4f4f87d039d83943c8bad1b2