[INFO] fetching crate linregress 0.4.4...
[INFO] testing linregress-0.4.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate linregress 0.4.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate linregress 0.4.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linregress 0.4.4
[INFO] finished tweaking crates.io crate linregress 0.4.4
[INFO] tweaked toml for crates.io crate linregress 0.4.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86e98b3f7e864d755f4aa3c0a6660bdef85cf42f0e21cc8eb1b2f2fe435fedf7
[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" "86e98b3f7e864d755f4aa3c0a6660bdef85cf42f0e21cc8eb1b2f2fe435fedf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86e98b3f7e864d755f4aa3c0a6660bdef85cf42f0e21cc8eb1b2f2fe435fedf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86e98b3f7e864d755f4aa3c0a6660bdef85cf42f0e21cc8eb1b2f2fe435fedf7", kill_on_drop: false }`
[INFO] [stdout] 86e98b3f7e864d755f4aa3c0a6660bdef85cf42f0e21cc8eb1b2f2fe435fedf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bdbe93ccc0255611fc39b10af543734e69647e1e1cdeea6a3f093a0d7bba92a
[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" "1bdbe93ccc0255611fc39b10af543734e69647e1e1cdeea6a3f093a0d7bba92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling syn v1.0.82
[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 getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.2
[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 v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.92s
[INFO] running `Command { std: "docker" "inspect" "1bdbe93ccc0255611fc39b10af543734e69647e1e1cdeea6a3f093a0d7bba92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bdbe93ccc0255611fc39b10af543734e69647e1e1cdeea6a3f093a0d7bba92a", kill_on_drop: false }`
[INFO] [stdout] 1bdbe93ccc0255611fc39b10af543734e69647e1e1cdeea6a3f093a0d7bba92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f8d0e69529fbcc19fea41726bdb46f16a7d6d27a804520e5de5d818d4b1799
[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" "94f8d0e69529fbcc19fea41726bdb46f16a7d6d27a804520e5de5d818d4b1799", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[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_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[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 quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling stdtr v0.2.0
[INFO] [stderr]    Compiling linregress v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.28s
[INFO] running `Command { std: "docker" "inspect" "94f8d0e69529fbcc19fea41726bdb46f16a7d6d27a804520e5de5d818d4b1799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f8d0e69529fbcc19fea41726bdb46f16a7d6d27a804520e5de5d818d4b1799", kill_on_drop: false }`
[INFO] [stdout] 94f8d0e69529fbcc19fea41726bdb46f16a7d6d27a804520e5de5d818d4b1799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", 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] f93d372d33ad26617b969df6bb5760902a3c07544c1ed5c92eafb26f7b6c48fd
[INFO] running `Command { std: "docker" "start" "-a" "f93d372d33ad26617b969df6bb5760902a3c07544c1ed5c92eafb26f7b6c48fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linregress-8557ab2ce72ea5ef)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test special_functions::tests::test_inc_beta ... 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_invalid_column_names ... ok
[INFO] [stdout] test tests::test_invalid_input_nan ... ok
[INFO] [stdout] test tests::test_invalid_input_infinity ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_y ... ok
[INFO] [stdout] test tests::test_invalid_input_all_equal_columns ... ok
[INFO] [stdout] test tests::test_invalid_input_wrong_shape_x ... ok
[INFO] [stdout] test tests::test_no_formula ... 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_pinv_with_data_columns ... 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_all_invalid_input ... ok
[INFO] [stdout] test tests::test_both_formula_and_data_columns ... ok
[INFO] [stdout] test tests::test_without_statistics ... ok
[INFO] [stdout] test tests::test_prediction_broken_model ... ok
[INFO] [stdout] test tests::test_prediction_vectors_with_different_lengths ... ok
[INFO] [stdout] test tests::test_prediction_empty_vectors ... ok
[INFO] [stdout] test tests::test_too_many_prediction_variables ... ok
[INFO] [stdout] test tests::test_prediction ... ok
[INFO] [stdout] test tests::test_low_level_model_fitting ... ok
[INFO] [stdout] test special_functions::tests::qc_stdtr ... ok
[INFO] [stderr]    Doc-tests linregress
[INFO] [stdout] test special_functions::tests::qc_inc_beta ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RegressionDataBuilder::invalid_value_handling (line 451) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - RegressionParameters::pairs (line 839) ... ok
[INFO] [stdout] test src/lib.rs - fit_low_level_regression_model (line 881) ... ok
[INFO] [stdout] test src/lib.rs - FormulaRegressionBuilder (line 98) ... ok
[INFO] [stdout] test src/lib.rs - RegressionDataBuilder::build_from (line 486) ... ok
[INFO] [stdout] test src/lib.rs - RegressionModel::predict (line 589) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f93d372d33ad26617b969df6bb5760902a3c07544c1ed5c92eafb26f7b6c48fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93d372d33ad26617b969df6bb5760902a3c07544c1ed5c92eafb26f7b6c48fd", kill_on_drop: false }`
[INFO] [stdout] f93d372d33ad26617b969df6bb5760902a3c07544c1ed5c92eafb26f7b6c48fd