[INFO] crate rstat 0.6.0 is already in cache
[INFO] testing rstat-0.6.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate rstat 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rstat 0.6.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rstat 0.6.0
[INFO] finished tweaking crates.io crate rstat 0.6.0
[INFO] tweaked toml for crates.io crate rstat 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c11e7be1592ab65309793df0db0aef0d5f605724800b433ec4a4653bda14d281
[INFO] running `"docker" "start" "-a" "c11e7be1592ab65309793df0db0aef0d5f605724800b433ec4a4653bda14d281"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling special-fun v0.2.0
[INFO] [stderr]    Compiling spaces v5.0.0
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling rstat v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_exact`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() }
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]  --> src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn factorial(n: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.12s
[INFO] running `"docker" "inspect" "c11e7be1592ab65309793df0db0aef0d5f605724800b433ec4a4653bda14d281"`
[INFO] running `"docker" "rm" "-f" "c11e7be1592ab65309793df0db0aef0d5f605724800b433ec4a4653bda14d281"`
[INFO] [stdout] c11e7be1592ab65309793df0db0aef0d5f605724800b433ec4a4653bda14d281
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 572879981ca33db24517dffd43ff24cd44ba3fa74b37ed6d2d4b63a7baf40ac6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "572879981ca33db24517dffd43ff24cd44ba3fa74b37ed6d2d4b63a7baf40ac6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rstat v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_exact`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() }
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]  --> src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn factorial(n: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_exact`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() }
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]  --> src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn factorial(n: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `"docker" "inspect" "572879981ca33db24517dffd43ff24cd44ba3fa74b37ed6d2d4b63a7baf40ac6"`
[INFO] running `"docker" "rm" "-f" "572879981ca33db24517dffd43ff24cd44ba3fa74b37ed6d2d4b63a7baf40ac6"`
[INFO] [stdout] 572879981ca33db24517dffd43ff24cd44ba3fa74b37ed6d2d4b63a7baf40ac6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb31e7c98b05749b9f3182a3f126c7d44f6837bd5b81e31bab51eb23205c3f9a
[INFO] running `"docker" "start" "-a" "eb31e7c98b05749b9f3182a3f126c7d44f6837bd5b81e31bab51eb23205c3f9a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_exact`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() }
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]  --> src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn factorial(n: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial_exact`
[INFO] [stderr]  --> src/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn factorial_exact(n: u64) -> u64 { (1..=n).product() }
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `factorial`
[INFO] [stderr]  --> src/utils.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn factorial(n: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rstat-98d830b289f1c580
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test univariate::arcsine::tests::test_mean ... ok
[INFO] [stdout] test univariate::arcsine::tests::test_median ... ok
[INFO] [stdout] test probability::tests::test_sample_index_degenerate_n ... ok
[INFO] [stdout] test linalg::tests::test_choleksy ... ok
[INFO] [stdout] test univariate::arcsine::tests::test_mode ... ok
[INFO] [stdout] test params::constraints::tests::test_non_negative ... ok
[INFO] [stdout] test univariate::arcsine::tests::test_skewness ... ok
[INFO] [stdout] test normal::multivariate::tests::test_pdf ... ok
[INFO] [stdout] test univariate::arcsine::tests::test_variance ... ok
[INFO] [stdout] test mixture::tests::test_uniform_pair_mixture ... ok
[INFO] [stdout] test linalg::tests::test_inverse_lt ... ok
[INFO] [stdout] test probability::tests::test_sample_index_degenerate ... ok
[INFO] [stderr]    Doc-tests rstat
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/lib.rs - DiscreteDistribution::pmf (line 200) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::homogeneous_unchecked (line 559) ... FAILED
[INFO] [stdout] test src/lib.rs - ContinuousDistribution::pdf (line 237) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::standard (line 575) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::MvNormal<Vector<f64>>::new (line 105) ... FAILED
[INFO] [stdout] test src/lib.rs - Convolution::convolve (line 273) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::DiagonalNormal::diagonal_unchecked (line 344) ... FAILED
[INFO] [stdout] test src/lib.rs - Distribution::support (line 84) ... FAILED
[INFO] [stdout] test src/mixture.rs - mixture::Mixture (line 33) ... FAILED
[INFO] [stdout] test src/lib.rs - Distribution::cdf (line 122) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::homogeneous (line 541) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::isotropic (line 497) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::isotropic_unchecked (line 515) ... FAILED
[INFO] [stdout] test src/lib.rs - Distribution::params (line 102) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::DiagonalNormal::diagonal (line 319) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::IsotropicNormal::standard_unchecked (line 593) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::powf (line 111) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::log2 (line 101) ... FAILED
[INFO] [stdout] test src/params/mod.rs - params::Param::value (line 18) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::UnitSimplex::centre (line 325) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::UnitSimplex::sample (line 351) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::unwrap (line 70) ... FAILED
[INFO] [stdout] test src/normal/multivariate.rs - normal::multivariate::MvNormal<Vector<f64>>::new_unchecked (line 131) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::ln (line 91) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::powi (line 121) ... FAILED
[INFO] [stdout] test src/probability.rs - probability::Probability::new (line 35) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name rstat -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/special-fun-b25ec7a9b14ccdd2/out -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --extern failure=/opt/rustwide/target/debug/deps/libfailure-03e6b2455fc0e5c1.rlib --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-712e09a5dc1f872f.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-f39a9ac15949ce71.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-3247686e2f8af44c.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-c0ce27abf663b182.rlib --extern rstat=/opt/rustwide/target/debug/deps/librstat-d0122de0798864dd.rlib --extern spaces=/opt/rustwide/target/debug/deps/libspaces-017953f963b4317a.rlib --extern special_fun=/opt/rustwide/target/debug/deps/libspecial_fun-b796057548705f5d.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "eb31e7c98b05749b9f3182a3f126c7d44f6837bd5b81e31bab51eb23205c3f9a"`
[INFO] running `"docker" "rm" "-f" "eb31e7c98b05749b9f3182a3f126c7d44f6837bd5b81e31bab51eb23205c3f9a"`
[INFO] [stdout] eb31e7c98b05749b9f3182a3f126c7d44f6837bd5b81e31bab51eb23205c3f9a