[INFO] fetching crate matrix_operations 0.1.5...
[INFO] testing matrix_operations-0.1.5 against 1.90.0 for beta-1.91-2
[INFO] extracting crate matrix_operations 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate matrix_operations 0.1.5
[INFO] finished tweaking crates.io crate matrix_operations 0.1.5
[INFO] tweaked toml for crates.io crate matrix_operations 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix_operations 0.1.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ae5752b6f7a1e50048d9fcb7d09cb9289fe994271ae9dbb447d92fa26afda40
[INFO] running `Command { std: "docker" "start" "-a" "8ae5752b6f7a1e50048d9fcb7d09cb9289fe994271ae9dbb447d92fa26afda40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ae5752b6f7a1e50048d9fcb7d09cb9289fe994271ae9dbb447d92fa26afda40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae5752b6f7a1e50048d9fcb7d09cb9289fe994271ae9dbb447d92fa26afda40", kill_on_drop: false }`
[INFO] [stdout] 8ae5752b6f7a1e50048d9fcb7d09cb9289fe994271ae9dbb447d92fa26afda40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d90c754bd9d6cf55480b4cab72b2fbb07d15057a55b1180bbe94ed0c176c94e3
[INFO] running `Command { std: "docker" "start" "-a" "d90c754bd9d6cf55480b4cab72b2fbb07d15057a55b1180bbe94ed0c176c94e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d90c754bd9d6cf55480b4cab72b2fbb07d15057a55b1180bbe94ed0c176c94e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90c754bd9d6cf55480b4cab72b2fbb07d15057a55b1180bbe94ed0c176c94e3", kill_on_drop: false }`
[INFO] [stdout] d90c754bd9d6cf55480b4cab72b2fbb07d15057a55b1180bbe94ed0c176c94e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ba446ae446cc8ce93dfe9d0b54e31f56ee755541e33933897ae2e853c2c43b6
[INFO] running `Command { std: "docker" "start" "-a" "0ba446ae446cc8ce93dfe9d0b54e31f56ee755541e33933897ae2e853c2c43b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_operations v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0ba446ae446cc8ce93dfe9d0b54e31f56ee755541e33933897ae2e853c2c43b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba446ae446cc8ce93dfe9d0b54e31f56ee755541e33933897ae2e853c2c43b6", kill_on_drop: false }`
[INFO] [stdout] 0ba446ae446cc8ce93dfe9d0b54e31f56ee755541e33933897ae2e853c2c43b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71989cfb623fbfde2c90e9f3a4cd0b396a385fc979c1e2d91579b4ef3860dad1
[INFO] running `Command { std: "docker" "start" "-a" "71989cfb623fbfde2c90e9f3a4cd0b396a385fc979c1e2d91579b4ef3860dad1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_operations-cc5eb85ae85ba2bb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrix_operations
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 201 tests
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_scalar (line 33) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 101) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::f32::add (line 475) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 123) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 219) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 255) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_matrix (line 54) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_matrix (line 72) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::f64::add (line 498) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 186) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 201) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i128::add (line 453) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::sum (line 10) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add_assign (line 141) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i32::add (line 409) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u128::add (line 343) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i16::add (line 387) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u32::add (line 299) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u16::add (line 277) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::Matrix<T>::add (line 170) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::u64::add (line 321) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i64::add (line 431) ... ok
[INFO] [stdout] test src/add_impl.rs - add_impl::i8::add (line 365) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 195) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 178) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 134) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 115) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div_scalar (line 32) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 214) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) ... FAILED
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 98) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 60) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 322) ... ok
[INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 42) ... ok
[INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv (line 271) ... FAILED
[INFO] [stdout] test src/csv.rs - csv (line 15) ... FAILED
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div (line 11) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::Matrix<T>::div_assign (line 55) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u32::div (line 165) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i16::div (line 143) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i128::div (line 275) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::f32::div (line 297) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u8::div (line 77) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u128::div (line 253) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i64::div (line 231) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 806) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 820) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u16::div (line 121) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i8::div (line 99) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::i32::div (line 187) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::u64::div (line 209) ... ok
[INFO] [stdout] test src/div_impl.rs - div_impl::f64::div (line 320) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column (line 834) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... FAILED
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 956) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 867) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 1021) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 991) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1112) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_columns_from_matrix (line 1005) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 928) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1126) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_from_vec (line 942) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 881) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_column_initialized (line 895) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1158) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row (line 1098) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1235) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1172) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_slice (line 551) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_initialized (line 1186) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::eq (line 224) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::clone (line 189) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_type (line 1388) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1315) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1298) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1220) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_vec (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_row_from_vec (line 1249) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 623) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::fmt (line 270) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 443) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::eq (line 212) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_slice (line 424) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 466) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 523) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::as_2d_vec (line 583) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_vec (line 485) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::from_2d_vec (line 505) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 664) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_row (line 717) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::add_rows_from_matrix (line 1282) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_column (line 638) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 679) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_row (line 732) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_columns (line 690) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 780) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 754) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index_mut (line 247) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::get_rows (line 769) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 337) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_row (line 1361) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 142) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_column (line 1072) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_row (line 1344) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new (line 356) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_default (line 376) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::index (line 167) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::new_initialised (line 400) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::shape (line 607) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 22) ... ok
[INFO] [stdout] test src/lib.rs - Matrix<T>::remove_column (line 1057) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 239) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::dot_matrix (line 98) ... ok
[INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 6) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 177) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 267) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 204) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 121) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_one_by_one (line 30) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 159) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_one_by_one (line 48) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::dot_matrix (line 79) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i16::mul (line 355) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f32::mul (line 509) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul (line 221) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i32::mul (line 399) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_assign (line 142) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix<T>::mul_scalar (line 10) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i128::mul (line 487) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i64::mul (line 443) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::f64::mul (line 532) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u128::mul (line 465) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::i8::mul (line 311) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u16::mul (line 333) ... ok
[INFO] [stdout] test src/operations.rs - operations (line 5) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 121) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 56) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u64::mul (line 421) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u8::mul (line 289) ... ok
[INFO] [stdout] test src/mul_impl.rs - mul_impl::u32::mul (line 377) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrices (line 73) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 187) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 168) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 103) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 202) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 136) ... ok
[INFO] [stdout] test src/operations.rs - operations::div_matrix_with_scalar (line 464) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 323) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 746) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_with_param (line 279) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 415) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 434) ... ok
[INFO] [stdout] test src/operations.rs - operations::add_matrix_with_scalar (line 233) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 302) ... ok
[INFO] [stdout] test src/operations.rs - operations::mul_one_by_one (line 713) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix (line 256) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 381) ... ok
[INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 766) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 506) ... ok
[INFO] [stdout] test src/operations.rs - operations::mul_matrix_with_scalar (line 690) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 554) ... ok
[INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 360) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 487) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 600) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 619) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 174) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 143) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 159) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 634) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 536) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_scalar (line 667) ... ok
[INFO] [stdout] test src/operations.rs - operations::transpose_matrix (line 31) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 228) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 76) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 116) ... ok
[INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 568) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::f32::sub (line 382) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub (line 192) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_matrix (line 31) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i32::sub (line 316) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_assign (line 98) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_matrix (line 49) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u128::sub (line 428) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i8::sub (line 538) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i128::sub (line 450) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::f64::sub (line 405) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u16::sub (line 250) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u32::sub (line 294) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u64::sub (line 338) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i16::sub (line 272) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::isize::sub (line 494) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix<T>::sub_scalar (line 10) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::usize::sub (line 472) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::u8::sub (line 516) ... ok
[INFO] [stdout] test src/sub_impl.rs - sub_impl::i64::sub (line 360) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:11:63:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59fcd14fdf02 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x59fcd14fdf02 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x59fcd14fdf02 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x59fcd14fdf02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x59fcd151cea3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x59fcd151cea3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x59fcd14fbc13 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x59fcd14fbc13 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x59fcd14fdd52 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x59fcd14fede3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x59fcd14febc5 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x59fcd14ff6b5 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x59fcd14ff54a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x59fcd14fe3f9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x59fcd14ff1dd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x59fcd151b9d0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x59fcd151be06 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x59fcd14dcc92 - rust_out::main::_doctest_main_src_csv_rs_308_0::h80a00e4a6226422c
[INFO] [stdout]   18:     0x59fcd14dc896 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   19:     0x59fcd14da7d3 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   20:     0x59fcd14da656 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   21:     0x59fcd14da599 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   22:     0x59fcd14f9720 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   23:     0x59fcd14f9720 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x59fcd14f9720 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x59fcd14f9720 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x59fcd14f9720 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x59fcd14f9720 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x59fcd14f9720 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x59fcd14f9720 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x59fcd14f9720 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x59fcd14da581 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   32:     0x59fcd14dcd35 - main
[INFO] [stdout]   33:     0x7266203411ca - <unknown>
[INFO] [stdout]   34:     0x72662034128b - __libc_start_main
[INFO] [stdout]   35:     0x59fcd14d8b15 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv::write_matrix_to_csv (line 271) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:10:41:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5707f5b470e2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5707f5b470e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5707f5b470e2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5707f5b470e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5707f5b66083 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5707f5b66083 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5707f5b44df3 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5707f5b44df3 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5707f5b46f32 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5707f5b47fc3 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5707f5b47da5 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5707f5b48895 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5707f5b4872a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5707f5b475d9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5707f5b483bd - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5707f5b64bb0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5707f5b64fe6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x5707f5b261ec - rust_out::main::_doctest_main_src_csv_rs_271_0::h79982e40e863a2fb
[INFO] [stdout]   18:     0x5707f5b25f46 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   19:     0x5707f5b24193 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   20:     0x5707f5b24036 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   21:     0x5707f5b23f79 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   22:     0x5707f5b42900 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   23:     0x5707f5b42900 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5707f5b42900 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5707f5b42900 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5707f5b42900 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5707f5b42900 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5707f5b42900 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5707f5b42900 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5707f5b42900 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5707f5b23f61 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   32:     0x5707f5b26285 - main
[INFO] [stdout]   33:     0x7d28c3d7e1ca - <unknown>
[INFO] [stdout]   34:     0x7d28c3d7e28b - __libc_start_main
[INFO] [stdout]   35:     0x5707f5b22645 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/csv.rs - csv (line 15) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/csv.rs:17:69:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e1f765d8a82 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e1f765d8a82 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e1f765d8a82 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e1f765d8a82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e1f765f48d3 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e1f765f48d3 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5e1f765d6793 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e1f765d6793 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e1f765d88d2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e1f765d9963 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e1f765d9745 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x5e1f765da235 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x5e1f765da0ca - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x5e1f765d8f79 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x5e1f765d9d5d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x5e1f765f3ba0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x5e1f765f3f36 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x5e1f765b4e10 - rust_out::main::_doctest_main_src_csv_rs_15_0::h62da2948c41e69a2
[INFO] [stdout]   18:     0x5e1f765b4a46 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   19:     0x5e1f765b16e3 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   20:     0x5e1f765b0e66 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   21:     0x5e1f765b0da9 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   22:     0x5e1f765d4220 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   23:     0x5e1f765d4220 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x5e1f765d4220 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x5e1f765d4220 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x5e1f765d4220 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x5e1f765d4220 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x5e1f765d4220 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x5e1f765d4220 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5e1f765d4220 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x5e1f765b0d91 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   32:     0x5e1f765b4ea5 - main
[INFO] [stdout]   33:     0x75aee490a1ca - <unknown>
[INFO] [stdout]   34:     0x75aee490a28b - __libc_start_main
[INFO] [stdout]   35:     0x5e1f765adb75 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 49) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' panicked at src/lib.rs:11:60:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x62b8107bda62 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x62b8107bda62 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x62b8107bda62 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62b8107bda62 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62b8107d9953 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x62b8107d9953 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x62b8107bb773 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x62b8107bb773 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x62b8107bd8b2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x62b8107be943 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x62b8107be725 - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stdout]   11:     0x62b8107bf215 - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:833:13
[INFO] [stdout]   12:     0x62b8107bf0aa - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   13:     0x62b8107bdf59 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   14:     0x62b8107bed3d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   15:     0x62b8107d8b80 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   16:     0x62b8107d8fb6 - core::result::unwrap_failed::h95bc3f5a607b2c95
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/result.rs:1765:5
[INFO] [stdout]   17:     0x62b81079961e - rust_out::main::_doctest_main_src_lib_rs_49_0::h619c1b4ee9c8c2d9
[INFO] [stdout]   18:     0x62b8107991d6 - rust_out::main::h2d10ba762d3f8adf
[INFO] [stdout]   19:     0x62b810794d23 - core::ops::function::FnOnce::call_once::h89333dd4ac8e03fc
[INFO] [stdout]   20:     0x62b810793e76 - std::sys::backtrace::__rust_begin_short_backtrace::h8a10de1e92516da1
[INFO] [stdout]   21:     0x62b810793db9 - std::rt::lang_start::{{closure}}::h0af3a8cb06b34c3e
[INFO] [stdout]   22:     0x62b8107b9200 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h638295a043b40957
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:290:21
[INFO] [stdout]   23:     0x62b8107b9200 - std::panicking::catch_unwind::do_call::hbd68098bdea1ca50
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   24:     0x62b8107b9200 - std::panicking::catch_unwind::h50591d85bf847c7c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   25:     0x62b8107b9200 - std::panic::catch_unwind::h2487b4c4f2ae22c6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x62b8107b9200 - std::rt::lang_start_internal::{{closure}}::h61f0945cc6c9a811
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x62b8107b9200 - std::panicking::catch_unwind::do_call::h34b9c3722acd6bd1
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   28:     0x62b8107b9200 - std::panicking::catch_unwind::hf9a822ea043fb0d6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   29:     0x62b8107b9200 - std::panic::catch_unwind::h5b3cac802237ed89
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x62b8107b9200 - std::rt::lang_start_internal::h34f9328d113fd60a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x62b810793da1 - std::rt::lang_start::h8f736fe0a226e45f
[INFO] [stdout]   32:     0x62b810799855 - main
[INFO] [stdout]   33:     0x71a2f29d81ca - <unknown>
[INFO] [stdout]   34:     0x71a2f29d828b - __libc_start_main
[INFO] [stdout]   35:     0x62b810790845 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/csv.rs - csv (line 15)
[INFO] [stdout]     src/csv.rs - csv::write_matrix_to_csv (line 271)
[INFO] [stdout]     src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308)
[INFO] [stdout]     src/lib.rs - (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 197 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.63s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "71989cfb623fbfde2c90e9f3a4cd0b396a385fc979c1e2d91579b4ef3860dad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71989cfb623fbfde2c90e9f3a4cd0b396a385fc979c1e2d91579b4ef3860dad1", kill_on_drop: false }`
[INFO] [stdout] 71989cfb623fbfde2c90e9f3a4cd0b396a385fc979c1e2d91579b4ef3860dad1
