[INFO] fetching crate rustfft 4.1.0...
[INFO] testing rustfft-4.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rustfft 4.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rustfft 4.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustfft 4.1.0
[INFO] finished tweaking crates.io crate rustfft 4.1.0
[INFO] tweaked toml for crates.io crate rustfft 4.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rustfft 4.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dffcb1f9e642e99c018761fd2ad4ef99d0723cd496956274ee7c5b83074afec9
[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" "dffcb1f9e642e99c018761fd2ad4ef99d0723cd496956274ee7c5b83074afec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dffcb1f9e642e99c018761fd2ad4ef99d0723cd496956274ee7c5b83074afec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffcb1f9e642e99c018761fd2ad4ef99d0723cd496956274ee7c5b83074afec9", kill_on_drop: false }`
[INFO] [stdout] dffcb1f9e642e99c018761fd2ad4ef99d0723cd496956274ee7c5b83074afec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb3bfd47f99117c8967aaa6afaa99168835260c3b168c7a67614a8723935958f
[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" "fb3bfd47f99117c8967aaa6afaa99168835260c3b168c7a67614a8723935958f", kill_on_drop: false }`
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.0
[INFO] [stderr]    Compiling rustfft v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.17s
[INFO] running `Command { std: "docker" "inspect" "fb3bfd47f99117c8967aaa6afaa99168835260c3b168c7a67614a8723935958f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3bfd47f99117c8967aaa6afaa99168835260c3b168c7a67614a8723935958f", kill_on_drop: false }`
[INFO] [stdout] fb3bfd47f99117c8967aaa6afaa99168835260c3b168c7a67614a8723935958f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab32bc04aa63467551ac716557fb65a5794f17fe9bcb0ff502e6494e18994b4
[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" "cab32bc04aa63467551ac716557fb65a5794f17fe9bcb0ff502e6494e18994b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustfft v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.32s
[INFO] running `Command { std: "docker" "inspect" "cab32bc04aa63467551ac716557fb65a5794f17fe9bcb0ff502e6494e18994b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab32bc04aa63467551ac716557fb65a5794f17fe9bcb0ff502e6494e18994b4", kill_on_drop: false }`
[INFO] [stdout] cab32bc04aa63467551ac716557fb65a5794f17fe9bcb0ff502e6494e18994b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9caeda0b1dbe4d4c9ea7ab913d9519016776476cea84e2cde57c0900ca461a9f
[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" "9caeda0b1dbe4d4c9ea7ab913d9519016776476cea84e2cde57c0900ca461a9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 37 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustfft-dd90c162e7fd4e76
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly16 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly5 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly13 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly23 ... ok
[INFO] [stdout] test algorithm::dft::unit_tests::test_dft_known_len_3 ... ok
[INFO] [stdout] test algorithm::dft::unit_tests::test_dft_known_len_2 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly6 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly17 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly8 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly19 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly7 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly2 ... ok
[INFO] [stdout] test algorithm::dft::unit_tests::test_dft_known_len_6 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly3 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly4 ... ok
[INFO] [stdout] test algorithm::raders_algorithm::unit_tests::test_raders ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly32 ... ok
[INFO] [stdout] test math_utils::unit_tests::test_modular_exponent ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly31 ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly29 ... ok
[INFO] [stdout] test math_utils::unit_tests::test_extended_euclidean ... ok
[INFO] [stdout] test algorithm::good_thomas_algorithm::unit_tests::test_output_mapping ... ok
[INFO] [stdout] test algorithm::dft::unit_tests::test_dft_known_len_4 ... ok
[INFO] [stdout] test math_utils::unit_tests::test_multiplicative_inverse ... ok
[INFO] [stdout] test algorithm::dft::unit_tests::test_matches_dft ... ok
[INFO] [stdout] test math_utils::unit_tests::test_prime_factors ... ok
[INFO] [stdout] test twiddles::unit_tests::test_generate ... ok
[INFO] [stdout] test math_utils::unit_tests::test_primitive_root ... ok
[INFO] [stdout] test algorithm::butterflies::unit_tests::test_butterfly11 ... ok
[INFO] [stdout] test twiddles::unit_tests::test_single ... ok
[INFO] [stdout] test algorithm::radix4::unit_tests::test_radix4 ... ok
[INFO] [stdout] test algorithm::mixed_radix::unit_tests::test_mixed_radix_double_butterfly ... ok
[INFO] [stdout] test array_utils::unit_tests::test_transpose ... ok
[INFO] [stdout] test algorithm::mixed_radix::unit_tests::test_mixed_radix ... ok
[INFO] [stdout] test algorithm::good_thomas_algorithm::unit_tests::test_good_thomas_double_butterfly ... ok
[INFO] [stdout] test algorithm::good_thomas_algorithm::unit_tests::test_good_thomas ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/accuracy-730411fdedd6a42b
[INFO] [stdout] test algorithm::bluestein::unit_tests::test_bluestein ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 37 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_planned_fft_forward_f32 ... ok
[INFO] [stdout] test test_planned_fft_forward_f64 ... ok
[INFO] [stdout] test test_planned_fft_inverse_f64 ... ok
[INFO] [stdout] test test_planned_fft_inverse_f32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustfft
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/algorithm/radix4.rs - algorithm::radix4::Radix4 (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/algorithm/mixed_radix.rs - algorithm::mixed_radix::MixedRadixDoubleButterfly (line 142) ... ok
[INFO] [stdout] test src/algorithm/good_thomas_algorithm.rs - algorithm::good_thomas_algorithm::GoodThomasAlgorithmDoubleButterfly (line 220) ... ok
[INFO] [stdout] test src/algorithm/dft.rs - algorithm::dft::DFT (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/plan.rs - plan::FFTplanner (line 27) ... ok
[INFO] [stdout] test src/algorithm/bluestein.rs - algorithm::bluestein::Bluesteins (line 18) ... ok
[INFO] [stdout] test src/algorithm/good_thomas_algorithm.rs - algorithm::good_thomas_algorithm::GoodThomasAlgorithm (line 23) ... ok
[INFO] [stdout] test src/algorithm/raders_algorithm.rs - algorithm::raders_algorithm::RadersAlgorithm (line 21) ... ok
[INFO] [stdout] test src/algorithm/mixed_radix.rs - algorithm::mixed_radix::MixedRadix (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9caeda0b1dbe4d4c9ea7ab913d9519016776476cea84e2cde57c0900ca461a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9caeda0b1dbe4d4c9ea7ab913d9519016776476cea84e2cde57c0900ca461a9f", kill_on_drop: false }`
[INFO] [stdout] 9caeda0b1dbe4d4c9ea7ab913d9519016776476cea84e2cde57c0900ca461a9f