[INFO] fetching crate linregress 0.4.1...
[INFO] testing linregress-0.4.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate linregress 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate linregress 0.4.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linregress 0.4.1
[INFO] finished tweaking crates.io crate linregress 0.4.1
[INFO] tweaked toml for crates.io crate linregress 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17efb86f34b146256f16a66be87c918090482f9b7c94c5032f7e4e4822268921
[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" "17efb86f34b146256f16a66be87c918090482f9b7c94c5032f7e4e4822268921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17efb86f34b146256f16a66be87c918090482f9b7c94c5032f7e4e4822268921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17efb86f34b146256f16a66be87c918090482f9b7c94c5032f7e4e4822268921", kill_on_drop: false }`
[INFO] [stdout] 17efb86f34b146256f16a66be87c918090482f9b7c94c5032f7e4e4822268921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] 5864b45ffcb70c28e576d598819d2b3241708ca8c0691f708647a18a86245664
[INFO] running `Command { std: "docker" "start" "-a" "5864b45ffcb70c28e576d598819d2b3241708ca8c0691f708647a18a86245664", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling simba v0.4.0
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling nalgebra v0.25.4
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling linregress v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.02s
[INFO] running `Command { std: "docker" "inspect" "5864b45ffcb70c28e576d598819d2b3241708ca8c0691f708647a18a86245664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5864b45ffcb70c28e576d598819d2b3241708ca8c0691f708647a18a86245664", kill_on_drop: false }`
[INFO] [stdout] 5864b45ffcb70c28e576d598819d2b3241708ca8c0691f708647a18a86245664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85400936aa17dc55591aa1f36b46bbb9af95263d42a0fd235e51395670630146
[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" "85400936aa17dc55591aa1f36b46bbb9af95263d42a0fd235e51395670630146", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling synstructure v0.12.4
[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_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac 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 backtrace v0.3.60
[INFO] [stderr]    Compiling stdtr-sys v0.1.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling stdtr v0.1.0
[INFO] [stderr]    Compiling linregress v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.88s
[INFO] running `Command { std: "docker" "inspect" "85400936aa17dc55591aa1f36b46bbb9af95263d42a0fd235e51395670630146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85400936aa17dc55591aa1f36b46bbb9af95263d42a0fd235e51395670630146", kill_on_drop: false }`
[INFO] [stdout] 85400936aa17dc55591aa1f36b46bbb9af95263d42a0fd235e51395670630146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbe1e2ee6597f97539e54aaeab3f752874ceee7912f3920e8948efcbb385cf8f
[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" "bbe1e2ee6597f97539e54aaeab3f752874ceee7912f3920e8948efcbb385cf8f", 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-cabb7dd4a498520f)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test special_functions::tests::test_inc_beta ... ok
[INFO] [stdout] test tests::test_invalid_column_names ... ok
[INFO] [stdout] test tests::test_all_invalid_input ... ok
[INFO] [stdout] test special_functions::tests::qc_stdtr ... 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_input_nan ... ok
[INFO] [stdout] test tests::test_invalid_input_all_equal_columns ... ok
[INFO] [stdout] test tests::test_pinv_with_formula_builder ... 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_wrong_shape_x ... ok
[INFO] [stdout] test tests::test_not_enough_prediction_variables ... ok
[INFO] [stdout] test tests::test_prediction ... ok
[INFO] [stdout] test tests::test_too_many_prediction_variables ... ok
[INFO] [stdout] test tests::test_prediction_broken_model ... ok
[INFO] [stdout] test tests::test_multiple_predictions ... ok
[INFO] [stdout] test tests::test_prediction_vectors_with_different_lengths ... ok
[INFO] [stdout] test tests::test_without_statistics ... ok
[INFO] [stdout] test tests::test_multiple_predictions_out_of_order ... ok
[INFO] [stdout] test tests::test_prediction_empty_vectors ... ok
[INFO] [stdout] test special_functions::tests::qc_inc_beta ... ok
[INFO] [stderr]    Doc-tests linregress
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[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 - (line 11) ... 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 - RegressionModel::predict (line 549) ... ok
[INFO] [stdout] test src/lib.rs - RegressionParameters::pairs (line 741) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bbe1e2ee6597f97539e54aaeab3f752874ceee7912f3920e8948efcbb385cf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe1e2ee6597f97539e54aaeab3f752874ceee7912f3920e8948efcbb385cf8f", kill_on_drop: false }`
[INFO] [stdout] bbe1e2ee6597f97539e54aaeab3f752874ceee7912f3920e8948efcbb385cf8f