[INFO] fetching crate roots 0.0.7...
[INFO] testing roots-0.0.7 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate roots 0.0.7 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate roots 0.0.7 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 roots 0.0.7
[INFO] finished tweaking crates.io crate roots 0.0.7
[INFO] tweaked toml for crates.io crate roots 0.0.7 written to /workspace/builds/worker-44/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] e2e119f6a3e1f25a6b9d3d96c3a7d82d604b46bec436043913a9d7f8e10ae831
[INFO] running `Command { std: "docker" "start" "-a" "e2e119f6a3e1f25a6b9d3d96c3a7d82d604b46bec436043913a9d7f8e10ae831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2e119f6a3e1f25a6b9d3d96c3a7d82d604b46bec436043913a9d7f8e10ae831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e119f6a3e1f25a6b9d3d96c3a7d82d604b46bec436043913a9d7f8e10ae831", kill_on_drop: false }`
[INFO] [stdout] e2e119f6a3e1f25a6b9d3d96c3a7d82d604b46bec436043913a9d7f8e10ae831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] e1f35ad96b2995f8495616f3cc68965105177980165d78806011dbc32871a05a
[INFO] running `Command { std: "docker" "start" "-a" "e1f35ad96b2995f8495616f3cc68965105177980165d78806011dbc32871a05a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roots v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `Command { std: "docker" "inspect" "e1f35ad96b2995f8495616f3cc68965105177980165d78806011dbc32871a05a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1f35ad96b2995f8495616f3cc68965105177980165d78806011dbc32871a05a", kill_on_drop: false }`
[INFO] [stdout] e1f35ad96b2995f8495616f3cc68965105177980165d78806011dbc32871a05a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] c2b1779b1a7ca775840d87b99ed0dd7bf81ddd92f394b29fc387ef9fd91dc1ab
[INFO] running `Command { std: "docker" "start" "-a" "c2b1779b1a7ca775840d87b99ed0dd7bf81ddd92f394b29fc387ef9fd91dc1ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling roots v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.98s
[INFO] running `Command { std: "docker" "inspect" "c2b1779b1a7ca775840d87b99ed0dd7bf81ddd92f394b29fc387ef9fd91dc1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b1779b1a7ca775840d87b99ed0dd7bf81ddd92f394b29fc387ef9fd91dc1ab", kill_on_drop: false }`
[INFO] [stdout] c2b1779b1a7ca775840d87b99ed0dd7bf81ddd92f394b29fc387ef9fd91dc1ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] f470f054b3b31d2e1c5878368821cb51d7da7f816713afce1dea570295c96a32
[INFO] running `Command { std: "docker" "start" "-a" "f470f054b3b31d2e1c5878368821cb51d7da7f816713afce1dea570295c96a32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roots-e00eb2e63c4077a3)
[INFO] [stdout] running 38 tests
[INFO] [stdout] test analytical::biquadratic::test::test_find_roots_biquadratic ... ok
[INFO] [stdout] test analytical::cubic::test::test_find_roots_cubic ... ok
[INFO] [stdout] test analytical::cubic::test::test_find_roots_cubic_small_discriminant ... ok
[INFO] [stdout] test analytical::cubic_depressed::test::test_find_roots_cubic_depressed ... ok
[INFO] [stdout] test analytical::cubic_normalized::test::test_find_roots_cubic_normalized ... ok
[INFO] [stdout] test analytical::cubic_normalized::test::test_find_roots_cubic_normalized_huge_discriminant ... ok
[INFO] [stdout] test analytical::linear::test::test_find_roots_linear ... ok
[INFO] [stdout] test analytical::quadratic::test::test_find_roots_quadratic ... ok
[INFO] [stdout] test analytical::quadratic::test::test_find_roots_quadratic_big_a1 ... ok
[INFO] [stdout] test analytical::quartic::test::test_find_roots_quartic_quadruple_root ... ok
[INFO] [stdout] test analytical::quadratic::test::test_find_roots_quadratic_small_a2 ... ok
[INFO] [stdout] test analytical::quartic::test::test_find_roots_quartic ... ok
[INFO] [stdout] test analytical::quartic::test::test_find_roots_quartic_tim_luecke ... ok
[INFO] [stdout] test analytical::quartic::test::test_find_roots_quartic_triple_root ... ok
[INFO] [stdout] test analytical::quartic_depressed::test::test_find_roots_quartic_depressed ... ok
[INFO] [stdout] test analytical::roots::test_roots ... ok
[INFO] [stdout] test float::test_float_cbrt ... ok
[INFO] [stdout] test numerical::brent::test::test_find_root_brent ... ok
[INFO] [stdout] test numerical::brent::test::test_find_root_brent_simple ... ok
[INFO] [stdout] test numerical::eigen::test::test_find_roots_eigen_huge_discriminant ... ok
[INFO] [stdout] test numerical::eigen::test::test_find_roots_eigen_tim_lueke ... ok
[INFO] [stdout] test numerical::eigen::test::test_find_roots_eigen ... ok
[INFO] [stdout] test numerical::inverse_quadratic::test::test_find_root_inverse_quadratic ... ok
[INFO] [stdout] test numerical::inverse_quadratic::test::test_from_three_points ... ok
[INFO] [stdout] test numerical::newton_raphson::test::test_find_root_newton_raphson ... ok
[INFO] [stdout] test numerical::polynom::test::find_roots_sturm_tim_lueke ... ok
[INFO] [stdout] test numerical::polynom::test::find_roots_sturm_7 ... ok
[INFO] [stdout] test numerical::polynom::test::test_derivative_polynom_5 ... ok
[INFO] [stdout] test numerical::polynom::test::test_polynom_value_and_derivative ... ok
[INFO] [stdout] test numerical::polynom::test::test_find_roots_sturm ... ok
[INFO] [stdout] test numerical::test::root_interval_bracketed ... ok
[INFO] [stdout] test numerical::test::root_interval_middle ... ok
[INFO] [stdout] test numerical::polynom::test::test_polynom_value ... ok
[INFO] [stdout] test numerical::test::root_interval_not_bracketed ... ok
[INFO] [stdout] test numerical::regula_falsi::test::test_find_root_regula_falsi ... ok
[INFO] [stdout] test numerical::secant::test::test_find_root_secant ... ok
[INFO] [stdout] test numerical::test::sample_bracketed ... ok
[INFO] [stderr]    Doc-tests roots
[INFO] [stdout] test numerical::polynom::test::test_derivative_polynom_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/analytical/quadratic.rs - analytical::quadratic::find_roots_quadratic (line 34) ... ok
[INFO] [stdout] test src/numerical/secant.rs - numerical::secant::find_root_secant (line 50) ... ok
[INFO] [stdout] test src/numerical/brent.rs - numerical::brent::find_root_brent (line 44) ... ok
[INFO] [stdout] test src/numerical/regula_falsi.rs - numerical::regula_falsi::find_root_regula_falsi (line 60) ... ok
[INFO] [stdout] test src/numerical/eigen.rs - numerical::eigen::find_roots_eigen (line 662) ... ok
[INFO] [stdout] test src/numerical/newton_raphson.rs - numerical::newton_raphson::find_root_newton_raphson (line 50) ... ok
[INFO] [stdout] test src/analytical/cubic_normalized.rs - analytical::cubic_normalized::find_roots_cubic_normalized (line 36) ... ok
[INFO] [stdout] test src/analytical/biquadratic.rs - analytical::biquadratic::find_roots_biquadratic (line 34) ... ok
[INFO] [stdout] test src/analytical/cubic.rs - analytical::cubic::find_roots_cubic (line 38) ... ok
[INFO] [stdout] test src/numerical/inverse_quadratic.rs - numerical::inverse_quadratic::find_root_inverse_quadratic (line 80) ... ok
[INFO] [stdout] test src/analytical/linear.rs - analytical::linear::find_roots_linear (line 32) ... ok
[INFO] [stdout] test src/analytical/cubic_depressed.rs - analytical::cubic_depressed::find_roots_cubic_depressed (line 34) ... ok
[INFO] [stdout] test src/analytical/quartic_depressed.rs - analytical::quartic_depressed::find_roots_quartic_depressed (line 34) ... ok
[INFO] [stdout] test src/analytical/quartic.rs - analytical::quartic::find_roots_quartic (line 70) ... ok
[INFO] [stdout] test src/numerical/polynom.rs - numerical::polynom::find_roots_sturm (line 424) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f470f054b3b31d2e1c5878368821cb51d7da7f816713afce1dea570295c96a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f470f054b3b31d2e1c5878368821cb51d7da7f816713afce1dea570295c96a32", kill_on_drop: false }`
[INFO] [stdout] f470f054b3b31d2e1c5878368821cb51d7da7f816713afce1dea570295c96a32