[INFO] fetching crate half 1.7.1...
[INFO] testing half-1.7.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate half 1.7.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate half 1.7.1 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 half 1.7.1
[INFO] finished tweaking crates.io crate half 1.7.1
[INFO] tweaked toml for crates.io crate half 1.7.1 written to /workspace/builds/worker-0/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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df14fe4d1f0529d750ccf223766262c998c90e2c90b2dd14d12a52ee3357355a
[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" "df14fe4d1f0529d750ccf223766262c998c90e2c90b2dd14d12a52ee3357355a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df14fe4d1f0529d750ccf223766262c998c90e2c90b2dd14d12a52ee3357355a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df14fe4d1f0529d750ccf223766262c998c90e2c90b2dd14d12a52ee3357355a", kill_on_drop: false }`
[INFO] [stdout] df14fe4d1f0529d750ccf223766262c998c90e2c90b2dd14d12a52ee3357355a
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f899244a5fd16094280abc78f3ce29d12011fa4450abb679413ad3adae509454
[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" "f899244a5fd16094280abc78f3ce29d12011fa4450abb679413ad3adae509454", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "f899244a5fd16094280abc78f3ce29d12011fa4450abb679413ad3adae509454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f899244a5fd16094280abc78f3ce29d12011fa4450abb679413ad3adae509454", kill_on_drop: false }`
[INFO] [stdout] f899244a5fd16094280abc78f3ce29d12011fa4450abb679413ad3adae509454
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dc71be45adf45aaa2a6aba0d563f52bbe18addf91bdabb2e04882e410338e7b
[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" "5dc71be45adf45aaa2a6aba0d563f52bbe18addf91bdabb2e04882e410338e7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling half v1.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.65s
[INFO] running `Command { std: "docker" "inspect" "5dc71be45adf45aaa2a6aba0d563f52bbe18addf91bdabb2e04882e410338e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc71be45adf45aaa2a6aba0d563f52bbe18addf91bdabb2e04882e410338e7b", kill_on_drop: false }`
[INFO] [stdout] 5dc71be45adf45aaa2a6aba0d563f52bbe18addf91bdabb2e04882e410338e7b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 2508e883b33342d51c2018cd94e122a481c2aa8a8f848ee452be6c17ac5aa094
[INFO] running `Command { std: "docker" "start" "-a" "2508e883b33342d51c2018cd94e122a481c2aa8a8f848ee452be6c17ac5aa094", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/half-c756ef994931743a)
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test bfloat::test::test_bf16_consts_from_f32 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_consts_from_f64 ... ok
[INFO] [stdout] test bfloat::test::round_to_even_f32 ... ok
[INFO] [stdout] test bfloat::test::round_to_even_f64 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f32 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f64 ... ok
[INFO] [stdout] test bfloat::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test bfloat::test::qc_roundtrip_bf16_f32_is_identity ... ok
[INFO] [stdout] test binary16::test::test_comparisons ... ok
[INFO] [stdout] test bfloat::test::qc_roundtrip_bf16_f64_is_identity ... ok
[INFO] [stdout] test binary16::test::test_f16_consts_from_f32 ... ok
[INFO] [stdout] test binary16::test::test_f16_consts_from_f64 ... ok
[INFO] [stdout] test binary16::test::test_f16_to_f64 ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test binary16::test::qc_roundtrip_f16_f32_is_identity ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test bfloat::test::test_comparisons ... ok
[INFO] [stdout] test binary16::test::round_to_even_f32 ... ok
[INFO] [stdout] test binary16::test::qc_roundtrip_f16_f64_is_identity ... ok
[INFO] [stdout] test binary16::test::round_to_even_f64 ... ok
[INFO] [stdout] test slice::test::slice_convert_f16_f64 ... ok
[INFO] [stdout] test slice::test::test_mutablility_bf16 ... ok
[INFO] [stdout] test slice::test::test_slice_conversions_bf16 ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f64 ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f32 ... ok
[INFO] [stdout] test bfloat::test::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test binary16::test::test_f16_to_f32 ... ok
[INFO] [stdout] test binary16::test::test_f16_consts ... ok
[INFO] [stdout] test slice::test::test_slice_conversions_f16 ... ok
[INFO] [stdout] test slice::test::slice_convert_f16_f32 ... ok
[INFO] [stdout] test slice::test::test_mutablility_f16 ... ok
[INFO] [stdout] test slice::test::convert_from_f64_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] test slice::test::convert_to_f64_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] test slice::test::convert_to_f32_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] test slice::test::convert_from_f32_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/version-numbers.rs (/opt/rustwide/target/debug/deps/version_numbers-1ac674490f92df7f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_changelog_version ... ok
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests half
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_negative (line 365) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_normal (line 258) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_le_bytes (line 78) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::classify (line 288) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_be_bytes (line 143) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_finite (line 235) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::classify (line 597) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_ne_bytes (line 160) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_infinite (line 212) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_le_bytes (line 129) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::signum (line 318) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_ne_bytes (line 111) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_be_bytes (line 93) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_positive (line 343) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_nan (line 194) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_be_bytes (line 442) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_le_bytes (line 428) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_finite (line 544) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_ne_bytes (line 459) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_nan (line 502) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_normal (line 567) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_negative (line 674) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::signum (line 627) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_positive (line 652) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_infinite (line 521) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_be_bytes (line 392) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_ne_bytes (line 410) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_le_bytes (line 377) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 96) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_from_f32_slice (line 82) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast (line 245) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast_mut (line 271) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_from_f64_slice (line 112) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f64_slice (line 171) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::reinterpret_cast_mut (line 49) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f32_slice (line 142) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::reinterpret_cast (line 32) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.83s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2508e883b33342d51c2018cd94e122a481c2aa8a8f848ee452be6c17ac5aa094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2508e883b33342d51c2018cd94e122a481c2aa8a8f848ee452be6c17ac5aa094", kill_on_drop: false }`
[INFO] [stdout] 2508e883b33342d51c2018cd94e122a481c2aa8a8f848ee452be6c17ac5aa094