[INFO] fetching crate linregress 0.4.0...
[INFO] testing linregress-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate linregress 0.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linregress 0.4.0 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 linregress 0.4.0
[INFO] finished tweaking crates.io crate linregress 0.4.0
[INFO] tweaked toml for crates.io crate linregress 0.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] e87e597fa490a881750b583124431fe319982c42506c4b173e3a62e53bdee718
[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" "e87e597fa490a881750b583124431fe319982c42506c4b173e3a62e53bdee718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e87e597fa490a881750b583124431fe319982c42506c4b173e3a62e53bdee718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87e597fa490a881750b583124431fe319982c42506c4b173e3a62e53bdee718", kill_on_drop: false }`
[INFO] [stdout] e87e597fa490a881750b583124431fe319982c42506c4b173e3a62e53bdee718
[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] baf187ce792c15bf8ba2e2dc9b700fc6755f28e6547e8a853503570eab543f43
[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" "baf187ce792c15bf8ba2e2dc9b700fc6755f28e6547e8a853503570eab543f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling statrs v0.12.0
[INFO] [stderr]    Compiling nalgebra v0.21.1
[INFO] [stderr]    Compiling linregress v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.03s
[INFO] running `Command { std: "docker" "inspect" "baf187ce792c15bf8ba2e2dc9b700fc6755f28e6547e8a853503570eab543f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf187ce792c15bf8ba2e2dc9b700fc6755f28e6547e8a853503570eab543f43", kill_on_drop: false }`
[INFO] [stdout] baf187ce792c15bf8ba2e2dc9b700fc6755f28e6547e8a853503570eab543f43
[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] 1d95cef3c0dacf6fa48714237429780ed4675d2bb3d50e894f61d8565c5f0595
[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" "1d95cef3c0dacf6fa48714237429780ed4675d2bb3d50e894f61d8565c5f0595", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stdtr-sys v0.1.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling stdtr v0.1.0
[INFO] [stderr]    Compiling linregress v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "1d95cef3c0dacf6fa48714237429780ed4675d2bb3d50e894f61d8565c5f0595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d95cef3c0dacf6fa48714237429780ed4675d2bb3d50e894f61d8565c5f0595", kill_on_drop: false }`
[INFO] [stdout] 1d95cef3c0dacf6fa48714237429780ed4675d2bb3d50e894f61d8565c5f0595
[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] add48dcbcbe75af42ee3880bcffc1186cd4799ce24a4b4e25702aa250040cbad
[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" "add48dcbcbe75af42ee3880bcffc1186cd4799ce24a4b4e25702aa250040cbad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/linregress-a8174fd6f2674e9d
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test tests::test_invalid_column_names ... ok
[INFO] [stdout] test special_functions::tests::test_inc_beta ... ok
[INFO] [stdout] test tests::test_invalid_input_empty_matrix ... ok
[INFO] [stdout] test tests::test_invalid_input_all_equal_columns ... ok
[INFO] [stdout] test tests::test_drop_invalid_values ... ok
[INFO] [stdout] test tests::test_invalid_input_infinity ... ok
[INFO] [stdout] test tests::test_invalid_input_nan ... ok
[INFO] [stdout] test tests::test_all_invalid_input ... ok
[INFO] [stdout] test special_functions::tests::qc_stdtr ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_x ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_y ... ok
[INFO] [stdout] test tests::test_without_statistics ... ok
[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_prediction_empty_vectors ... ok
[INFO] [stdout] test tests::test_prediction_vectors_with_different_lengths ... ok
[INFO] [stdout] test tests::test_prediction_broken_model ... ok
[INFO] [stdout] test tests::test_multiple_predictions ... ok
[INFO] [stdout] test tests::test_multiple_predictions_out_of_order ... ok
[INFO] [stdout] test tests::test_too_many_prediction_variables ... ok
[INFO] [stdout] test tests::test_prediction ... 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
[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 - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - FormulaRegressionBuilder (line 97) ... ok
[INFO] [stdout] test src/lib.rs - RegressionModel::predict (line 549) ... ok
[INFO] [stdout] test src/lib.rs - RegressionDataBuilder::build_from (line 446) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "add48dcbcbe75af42ee3880bcffc1186cd4799ce24a4b4e25702aa250040cbad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add48dcbcbe75af42ee3880bcffc1186cd4799ce24a4b4e25702aa250040cbad", kill_on_drop: false }`
[INFO] [stdout] add48dcbcbe75af42ee3880bcffc1186cd4799ce24a4b4e25702aa250040cbad