[INFO] fetching crate float16 0.1.4...
[INFO] testing float16-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate float16 0.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate float16 0.1.4
[INFO] finished tweaking crates.io crate float16 0.1.4
[INFO] tweaked toml for crates.io crate float16 0.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate float16 0.1.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate float16 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 840aa0a345dafa86b4f5137fd3ef13c3398e5056d689578385e723b9d688b45a
[INFO] running `Command { std: "docker" "start" "-a" "840aa0a345dafa86b4f5137fd3ef13c3398e5056d689578385e723b9d688b45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "840aa0a345dafa86b4f5137fd3ef13c3398e5056d689578385e723b9d688b45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840aa0a345dafa86b4f5137fd3ef13c3398e5056d689578385e723b9d688b45a", kill_on_drop: false }`
[INFO] [stdout] 840aa0a345dafa86b4f5137fd3ef13c3398e5056d689578385e723b9d688b45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2604e3a926bf634153900f937098d9b9f8221fac375f41d4b8fa724207a86fa3
[INFO] running `Command { std: "docker" "start" "-a" "2604e3a926bf634153900f937098d9b9f8221fac375f41d4b8fa724207a86fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling float16 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "2604e3a926bf634153900f937098d9b9f8221fac375f41d4b8fa724207a86fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2604e3a926bf634153900f937098d9b9f8221fac375f41d4b8fa724207a86fa3", kill_on_drop: false }`
[INFO] [stdout] 2604e3a926bf634153900f937098d9b9f8221fac375f41d4b8fa724207a86fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be140c08f7b8617a9257cdbd6c7886ed24ae2e28be4b4f7b85d3e99e432de6a
[INFO] running `Command { std: "docker" "start" "-a" "7be140c08f7b8617a9257cdbd6c7886ed24ae2e28be4b4f7b85d3e99e432de6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling float16 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "7be140c08f7b8617a9257cdbd6c7886ed24ae2e28be4b4f7b85d3e99e432de6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be140c08f7b8617a9257cdbd6c7886ed24ae2e28be4b4f7b85d3e99e432de6a", kill_on_drop: false }`
[INFO] [stdout] 7be140c08f7b8617a9257cdbd6c7886ed24ae2e28be4b4f7b85d3e99e432de6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78593b0accea01e3a8f99b270bd1d427494924866a826c7db3d0b09e1608c414
[INFO] running `Command { std: "docker" "start" "-a" "78593b0accea01e3a8f99b270bd1d427494924866a826c7db3d0b09e1608c414", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/float16-5a5dd953203f5ae8)
[INFO] [stdout] 
[INFO] [stdout] running 42 tests
[INFO] [stdout] test bfloat::test::from_f32_lossless ... ok
[INFO] [stdout] test bfloat::test::test_bf16_consts_from_f64 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f32 ... ok
[INFO] [stdout] test bfloat::test::from_f64_lossless ... ok
[INFO] [stdout] test bfloat::test::round_to_even_f64 ... ok
[INFO] [stdout] test bfloat::test::round_to_even_f32 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_consts_from_f32 ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f64 ... ok
[INFO] [stdout] test bfloat::test::test_comparisons ... ok
[INFO] [stdout] test bfloat::test::test_max ... ok
[INFO] [stdout] test bfloat::test::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test binary16::test::arithmetic ... ok
[INFO] [stdout] test binary16::test::from_f32_lossless ... ok
[INFO] [stdout] test bfloat::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test binary16::test::from_f64_lossless ... ok
[INFO] [stdout] test binary16::test::issue_116 ... ok
[INFO] [stdout] test binary16::test::round_to_even_f32 ... ok
[INFO] [stdout] test binary16::test::round_to_even_f64 ... ok
[INFO] [stdout] test binary16::test::test_f16_consts ... ok
[INFO] [stdout] test binary16::test::test_comparisons ... ok
[INFO] [stdout] test bfloat::test::test_min ... 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_f32 ... ok
[INFO] [stdout] test binary16::test::test_f16_to_f64 ... ok
[INFO] [stdout] test binary16::test::test_max ... ok
[INFO] [stdout] test binary16::test::test_min ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test leading_zeros::test::leading_zeros_u16_fallback ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f32 ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f64 ... ok
[INFO] [stdout] test slice::test::slice_convert_f16_f32 ... 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_mutablility_f16 ... ok
[INFO] [stdout] test slice::test::test_slice_conversions_bf16 ... ok
[INFO] [stdout] test slice::test::test_slice_conversions_f16 ... ok
[INFO] [stdout] test slice::test::convert_from_f64_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] test slice::test::convert_from_f32_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_to_f64_slice_len_mismatch_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests float16
[INFO] [stdout] 
[INFO] [stdout] running 46 tests
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::signum (line 548) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::classify (line 515) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::clamp (line 722) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::min (line 692) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_normal (line 484) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_be_bytes (line 287) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::max (line 669) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_infinite (line 426) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_be_bytes (line 231) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_negative (line 598) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::copysign (line 625) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_le_bytes (line 215) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_le_bytes (line 271) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_nan (line 400) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::copysign (line 685) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_le_bytes (line 304) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_ne_bytes (line 307) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_infinite (line 486) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_be_bytes (line 320) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_ne_bytes (line 340) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::classify (line 575) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_nan (line 459) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_finite (line 510) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_ne_bytes (line 251) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_negative (line 658) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_positive (line 635) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_positive (line 575) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::clamp (line 782) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::signum (line 608) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_le_bytes (line 248) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_finite (line 450) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_be_bytes (line 264) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::min (line 752) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_normal (line 544) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f32_slice (line 143) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_ne_bytes (line 284) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast_mut (line 231) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::total_cmp (line 834) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_from_f32_slice (line 81) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_from_f64_slice (line 112) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::reinterpret_cast (line 27) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::total_cmp (line 774) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::reinterpret_cast_mut (line 46) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::max (line 729) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f64_slice (line 173) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 46 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78593b0accea01e3a8f99b270bd1d427494924866a826c7db3d0b09e1608c414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78593b0accea01e3a8f99b270bd1d427494924866a826c7db3d0b09e1608c414", kill_on_drop: false }`
[INFO] [stdout] 78593b0accea01e3a8f99b270bd1d427494924866a826c7db3d0b09e1608c414