[INFO] fetching crate half 1.6.0...
[INFO] testing half-1.6.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate half 1.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate half 1.6.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate half 1.6.0
[INFO] finished tweaking crates.io crate half 1.6.0
[INFO] tweaked toml for crates.io crate half 1.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6693906a38f61b27695ab4e709cffeb92ba1cdc699e7757459ffa13910ddce05
[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" "6693906a38f61b27695ab4e709cffeb92ba1cdc699e7757459ffa13910ddce05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6693906a38f61b27695ab4e709cffeb92ba1cdc699e7757459ffa13910ddce05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6693906a38f61b27695ab4e709cffeb92ba1cdc699e7757459ffa13910ddce05", kill_on_drop: false }`
[INFO] [stdout] 6693906a38f61b27695ab4e709cffeb92ba1cdc699e7757459ffa13910ddce05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503b743075a68b44789846d62ca4850a73f7f2be9488565dfd2c744649a2ed01
[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" "503b743075a68b44789846d62ca4850a73f7f2be9488565dfd2c744649a2ed01", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "503b743075a68b44789846d62ca4850a73f7f2be9488565dfd2c744649a2ed01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503b743075a68b44789846d62ca4850a73f7f2be9488565dfd2c744649a2ed01", kill_on_drop: false }`
[INFO] [stdout] 503b743075a68b44789846d62ca4850a73f7f2be9488565dfd2c744649a2ed01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 0e4aaa9addc8f19d13e9d819c4879f1d978e5e9e259f16b333621687185c28c3
[INFO] running `Command { std: "docker" "start" "-a" "0e4aaa9addc8f19d13e9d819c4879f1d978e5e9e259f16b333621687185c28c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling csv v1.1.5
[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 v0.3.3
[INFO] [stderr]    Compiling half v1.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.14s
[INFO] running `Command { std: "docker" "inspect" "0e4aaa9addc8f19d13e9d819c4879f1d978e5e9e259f16b333621687185c28c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4aaa9addc8f19d13e9d819c4879f1d978e5e9e259f16b333621687185c28c3", kill_on_drop: false }`
[INFO] [stdout] 0e4aaa9addc8f19d13e9d819c4879f1d978e5e9e259f16b333621687185c28c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3e5879d42dbaef84157a5e791ca90d9b3fddc75687e9a28187b8726d7a7e1451
[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" "3e5879d42dbaef84157a5e791ca90d9b3fddc75687e9a28187b8726d7a7e1451", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/half-cf590f4513d79a8c
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[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::qc_roundtrip_bf16_f32_is_identity ... ok
[INFO] [stdout] test bfloat::test::qc_roundtrip_bf16_f64_is_identity ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f32 ... ok
[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::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test bfloat::test::test_bf16_to_f64 ... ok
[INFO] [stdout] test bfloat::test::test_comparisons ... 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_to_f64 ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_larger ... ok
[INFO] [stdout] test binary16::test::test_f16_to_f32 ... ok
[INFO] [stdout] test bfloat::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f64 ... ok
[INFO] [stdout] test slice::test::slice_convert_bf16_f32 ... ok
[INFO] [stdout] test binary16::test::qc_roundtrip_f16_f64_is_identity ... ok
[INFO] [stdout] test slice::test::test_slice_conversions_f16 ... ok
[INFO] [stdout] test slice::test::slice_convert_f16_f64 ... ok
[INFO] [stdout] test slice::test::slice_convert_f16_f32 ... ok
[INFO] [stdout] test binary16::test::qc_roundtrip_f16_f32_is_identity ... 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_mutablility_bf16 ... ok
[INFO] [stdout] test binary16::test::test_f16_consts_from_f64 ... ok
[INFO] [stdout] test binary16::test::test_f16_consts ... ok
[INFO] [stdout] test binary16::test::test_nan_conversion_to_smaller ... ok
[INFO] [stdout] test binary16::test::test_f16_consts_from_f32 ... ok
[INFO] [stdout] test binary16::test::test_comparisons ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-5e744c03d1215d3c
[INFO] [stdout] test slice::test::convert_to_f32_slice_len_mismatch_panics ... ok
[INFO] [stdout] test slice::test::convert_from_f64_slice_len_mismatch_panics ... ok
[INFO] [stdout] test slice::test::convert_to_f64_slice_len_mismatch_panics ... ok
[INFO] [stdout] test slice::test::convert_from_f32_slice_len_mismatch_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests half
[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 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 37 tests
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::classify (line 282) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_be_bytes (line 364) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_be_bytes (line 87) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_negative (line 359) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_le_bytes (line 123) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_sign_positive (line 337) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_nan (line 188) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::signum (line 312) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_finite (line 229) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_finite (line 466) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::classify (line 519) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_be_bytes (line 137) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_le_bytes (line 72) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_infinite (line 206) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::is_normal (line 252) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::to_ne_bytes (line 105) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_positive (line 574) ... ok
[INFO] [stdout] test src/bfloat.rs - bfloat::bf16::from_ne_bytes (line 154) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_nan (line 424) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_le_bytes (line 350) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_sign_negative (line 596) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_infinite (line 443) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::is_normal (line 489) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 91) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::from_ne_bytes (line 381) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::signum (line 549) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_ne_bytes (line 332) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast (line 245) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_le_bytes (line 299) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_from_f32_slice (line 82) ... ok
[INFO] [stdout] test src/binary16.rs - binary16::f16::to_be_bytes (line 314) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f32_slice (line 142) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfBitsSliceExt::reinterpret_cast_mut (line 271) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::reinterpret_cast (line 32) ... ok
[INFO] [stdout] test src/slice.rs - slice::HalfFloatSliceExt::convert_to_f64_slice (line 171) ... 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_mut (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.86s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e5879d42dbaef84157a5e791ca90d9b3fddc75687e9a28187b8726d7a7e1451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5879d42dbaef84157a5e791ca90d9b3fddc75687e9a28187b8726d7a7e1451", kill_on_drop: false }`
[INFO] [stdout] 3e5879d42dbaef84157a5e791ca90d9b3fddc75687e9a28187b8726d7a7e1451