[INFO] fetching crate linregress 0.4.3...
[INFO] testing linregress-0.4.3 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate linregress 0.4.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate linregress 0.4.3 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linregress 0.4.3
[INFO] finished tweaking crates.io crate linregress 0.4.3
[INFO] tweaked toml for crates.io crate linregress 0.4.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded statrs v0.15.0
[INFO] [stderr]   Downloaded stdtr v0.2.0
[INFO] [stderr]   Downloaded stdtr-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4c3c350f3849b6149d0c7b1a5e68797c7f6c6532032dbae4d07ab4e47ed5dff
[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" "a4c3c350f3849b6149d0c7b1a5e68797c7f6c6532032dbae4d07ab4e47ed5dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4c3c350f3849b6149d0c7b1a5e68797c7f6c6532032dbae4d07ab4e47ed5dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4c3c350f3849b6149d0c7b1a5e68797c7f6c6532032dbae4d07ab4e47ed5dff", kill_on_drop: false }`
[INFO] [stdout] a4c3c350f3849b6149d0c7b1a5e68797c7f6c6532032dbae4d07ab4e47ed5dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6346483ff9641cb005d3228476880d9cd9ae3c43dccb26b26d727bbff33741
[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" "8e6346483ff9641cb005d3228476880d9cd9ae3c43dccb26b26d727bbff33741", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.1
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling linregress v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.72s
[INFO] running `Command { std: "docker" "inspect" "8e6346483ff9641cb005d3228476880d9cd9ae3c43dccb26b26d727bbff33741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6346483ff9641cb005d3228476880d9cd9ae3c43dccb26b26d727bbff33741", kill_on_drop: false }`
[INFO] [stdout] 8e6346483ff9641cb005d3228476880d9cd9ae3c43dccb26b26d727bbff33741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] cccfa5fd68ef62cfe3e8ddaca0580661a0f81e003ce3a07245c9b27e1fdd8c1a
[INFO] running `Command { std: "docker" "start" "-a" "cccfa5fd68ef62cfe3e8ddaca0580661a0f81e003ce3a07245c9b27e1fdd8c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling stdtr-sys v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling stdtr v0.2.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling linregress v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 48.61s
[INFO] running `Command { std: "docker" "inspect" "cccfa5fd68ef62cfe3e8ddaca0580661a0f81e003ce3a07245c9b27e1fdd8c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccfa5fd68ef62cfe3e8ddaca0580661a0f81e003ce3a07245c9b27e1fdd8c1a", kill_on_drop: false }`
[INFO] [stdout] cccfa5fd68ef62cfe3e8ddaca0580661a0f81e003ce3a07245c9b27e1fdd8c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9886d5abd7aa472b45efc648cd9d0db5e33408538bfd456ff80556cc1398b07e
[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" "9886d5abd7aa472b45efc648cd9d0db5e33408538bfd456ff80556cc1398b07e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linregress-4b2056a9a7a56591)
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::test_not_enough_prediction_variables ... ok
[INFO] [stdout] test tests::test_pinv_with_formula_builder ... ok
[INFO] [stdout] test tests::test_invalid_column_names ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_y ... ok
[INFO] [stdout] test special_functions::tests::test_inc_beta ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_x ... ok
[INFO] [stdout] test tests::test_invalid_input_all_equal_columns ... ok
[INFO] [stdout] test tests::test_all_invalid_input ... ok
[INFO] [stdout] test tests::test_prediction ... ok
[INFO] [stdout] test tests::test_drop_invalid_values ... ok
[INFO] [stdout] test tests::test_invalid_input_empty_matrix ... ok
[INFO] [stdout] test tests::test_prediction_broken_model ... ok
[INFO] [stdout] test tests::test_prediction_empty_vectors ... ok
[INFO] [stdout] test tests::test_prediction_vectors_with_different_lengths ... ok
[INFO] [stdout] test tests::test_too_many_prediction_variables ... ok
[INFO] [stdout] test tests::test_multiple_predictions_out_of_order ... ok
[INFO] [stdout] test special_functions::tests::qc_stdtr ... ok
[INFO] [stdout] test tests::test_without_statistics ... ok
[INFO] [stdout] test tests::test_invalid_input_nan ... ok
[INFO] [stdout] test tests::test_invalid_input_infinity ... ok
[INFO] [stdout] test tests::test_multiple_predictions ... ok
[INFO] [stdout] test special_functions::tests::qc_inc_beta ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linregress
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - RegressionDataBuilder::invalid_value_handling (line 411) ... ok
[INFO] [stdout] test src/lib.rs - RegressionParameters::pairs (line 741) ... ok
[INFO] [stdout] test src/lib.rs - RegressionDataBuilder::build_from (line 446) ... ok
[INFO] [stdout] test src/lib.rs - FormulaRegressionBuilder (line 97) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - RegressionModel::predict (line 549) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9886d5abd7aa472b45efc648cd9d0db5e33408538bfd456ff80556cc1398b07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9886d5abd7aa472b45efc648cd9d0db5e33408538bfd456ff80556cc1398b07e", kill_on_drop: false }`
[INFO] [stdout] 9886d5abd7aa472b45efc648cd9d0db5e33408538bfd456ff80556cc1398b07e