[INFO] fetching crate matrix_operations 0.1.5... [INFO] testing matrix_operations-0.1.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate matrix_operations 0.1.5 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate matrix_operations 0.1.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed488ee0263d4f17cf272896386df91064506b5057e87b36b2d869f9b8b73f93 [INFO] running `Command { std: "docker" "start" "-a" "ed488ee0263d4f17cf272896386df91064506b5057e87b36b2d869f9b8b73f93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed488ee0263d4f17cf272896386df91064506b5057e87b36b2d869f9b8b73f93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed488ee0263d4f17cf272896386df91064506b5057e87b36b2d869f9b8b73f93", kill_on_drop: false }` [INFO] [stdout] ed488ee0263d4f17cf272896386df91064506b5057e87b36b2d869f9b8b73f93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6528a89c4adfda0242a6b6f1b9067f671b7c1bf7849122e17251dbdae351dfa6 [INFO] running `Command { std: "docker" "start" "-a" "6528a89c4adfda0242a6b6f1b9067f671b7c1bf7849122e17251dbdae351dfa6", 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 0.50s [INFO] running `Command { std: "docker" "inspect" "6528a89c4adfda0242a6b6f1b9067f671b7c1bf7849122e17251dbdae351dfa6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6528a89c4adfda0242a6b6f1b9067f671b7c1bf7849122e17251dbdae351dfa6", kill_on_drop: false }` [INFO] [stdout] 6528a89c4adfda0242a6b6f1b9067f671b7c1bf7849122e17251dbdae351dfa6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa2dac92060e481a67a0a69b561ee4d3dc51cf07d481f3610cd2b79736513b58 [INFO] running `Command { std: "docker" "start" "-a" "aa2dac92060e481a67a0a69b561ee4d3dc51cf07d481f3610cd2b79736513b58", 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 0.33s [INFO] running `Command { std: "docker" "inspect" "aa2dac92060e481a67a0a69b561ee4d3dc51cf07d481f3610cd2b79736513b58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa2dac92060e481a67a0a69b561ee4d3dc51cf07d481f3610cd2b79736513b58", kill_on_drop: false }` [INFO] [stdout] aa2dac92060e481a67a0a69b561ee4d3dc51cf07d481f3610cd2b79736513b58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 844e0a32c5c73558378f8248dbe351e8cff59b5b981341c83e690881f0c0038d [INFO] running `Command { std: "docker" "start" "-a" "844e0a32c5c73558378f8248dbe351e8cff59b5b981341c83e690881f0c0038d", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_operations-c56904d61a57d6fb) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests matrix_operations [INFO] [stdout] [INFO] [stdout] running 201 tests [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_scalar (line 33) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add (line 219) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::f32::add (line 475) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::i16::add (line 387) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_assign (line 101) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_matrix (line 72) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::sum (line 10) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add (line 201) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add (line 255) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_assign (line 141) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add (line 170) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::f64::add (line 498) ... 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::add (line 186) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::u128::add (line 343) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::i32::add (line 409) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::i8::add (line 365) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_matrix (line 54) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::Matrix::add_assign (line 123) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::u64::add (line 321) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv (line 60) ... 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/csv.rs - csv::load_matrix_from_csv (line 42) ... ok [INFO] [stdout] test src/csv.rs - csv (line 15) ... FAILED [INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv (line 271) ... FAILED [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 214) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 115) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 195) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::Matrix::div (line 11) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 134) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::i8::div (line 99) ... ok [INFO] [stdout] test src/add_impl.rs - add_impl::i64::add (line 431) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::Matrix::div_scalar (line 32) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_columns (line 98) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::u16::div (line 121) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::i64::div (line 231) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::f32::div (line 297) ... ok [INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 308) ... FAILED [INFO] [stdout] test src/div_impl.rs - div_impl::Matrix::div_assign (line 55) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::u128::div (line 253) ... ok [INFO] [stdout] test src/csv.rs - csv::load_matrix_from_csv_excluding_columns (line 178) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::f64::div (line 320) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::u64::div (line 209) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::i128::div (line 275) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_from_vec (line 942) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column (line 820) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::i32::div (line 187) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::u8::div (line 77) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_from_vec (line 956) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_from_vec (line 928) ... ok [INFO] [stdout] test src/div_impl.rs - div_impl::i16::div (line 143) ... ok [INFO] [stdout] test src/lib.rs - (line 18) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_initialized (line 881) ... ok [INFO] [stdout] test src/csv.rs - csv::write_matrix_to_csv_with_headers (line 322) ... ok [INFO] [stdout] test src/lib.rs - (line 49) ... FAILED [INFO] [stdout] test src/div_impl.rs - div_impl::u32::div (line 165) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column (line 806) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column (line 834) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_columns_from_matrix (line 1005) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_from_vec (line 1220) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_columns_from_matrix (line 1021) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row (line 1098) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_initialized (line 867) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_initialized (line 1158) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row (line 1112) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_from_vec (line 1235) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_from_vec (line 1249) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row (line 1126) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_column_initialized (line 895) ... ok [INFO] [stdout] test src/lib.rs - Matrix::as_type (line 1388) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_rows_from_matrix (line 1282) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_rows_from_matrix (line 1298) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_columns_from_matrix (line 991) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_initialized (line 1186) ... ok [INFO] [stdout] test src/lib.rs - Matrix::as_2d_vec (line 583) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_row_initialized (line 1172) ... ok [INFO] [stdout] test src/lib.rs - Matrix::clone (line 189) ... ok [INFO] [stdout] test src/lib.rs - Matrix::as_vec (line 567) ... ok [INFO] [stdout] test src/lib.rs - Matrix::add_rows_from_matrix (line 1315) ... ok [INFO] [stdout] test src/lib.rs - Matrix::as_slice (line 551) ... ok [INFO] [stdout] test src/lib.rs - Matrix::eq (line 212) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_2d_vec (line 505) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_vec (line 466) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_column (line 623) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_slice (line 424) ... ok [INFO] [stdout] test src/lib.rs - Matrix::fmt (line 270) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_slice (line 443) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_columns (line 690) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_column (line 638) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_vec (line 485) ... ok [INFO] [stdout] test src/lib.rs - Matrix::from_2d_vec (line 523) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index (line 106) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_columns (line 679) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_columns (line 664) ... ok [INFO] [stdout] test src/lib.rs - Matrix::eq (line 224) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index (line 153) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index (line 142) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_rows (line 780) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index (line 120) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index_mut (line 247) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_rows (line 769) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_rows (line 754) ... ok [INFO] [stdout] test src/lib.rs - Matrix::index (line 167) ... ok [INFO] [stdout] test src/lib.rs - Matrix::remove_column (line 1072) ... ok [INFO] [stdout] test src/lib.rs - Matrix::fmt (line 303) ... ok [INFO] [stdout] test src/lib.rs - Matrix::new (line 356) ... ok [INFO] [stdout] test src/lib.rs - Matrix::new (line 337) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_row (line 717) ... ok [INFO] [stdout] test src/lib.rs - Matrix::remove_row (line 1361) ... ok [INFO] [stdout] test src/lib.rs - Matrix::new_default (line 376) ... ok [INFO] [stdout] test src/lib.rs - Matrix::remove_row (line 1344) ... ok [INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 22) ... ok [INFO] [stdout] test src/lib.rs - Matrix::get_row (line 732) ... ok [INFO] [stdout] test src/lib.rs - Matrix::remove_column (line 1057) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul (line 221) ... ok [INFO] [stdout] test src/macro_matrix.rs - macro_matrix::matrix (line 6) ... ok [INFO] [stdout] test src/lib.rs - Matrix::new_initialised (line 400) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul (line 204) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul (line 239) ... ok [INFO] [stdout] test src/lib.rs - Matrix::shape (line 607) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_assign (line 121) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::dot_matrix (line 98) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul (line 267) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::dot_matrix (line 79) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_assign (line 177) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_one_by_one (line 30) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_scalar (line 10) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_one_by_one (line 48) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::f64::mul (line 532) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::i16::mul (line 355) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_assign (line 159) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::Matrix::mul_assign (line 142) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::i64::mul (line 443) ... ok [INFO] [stdout] test src/operations.rs - operations (line 5) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::u32::mul (line 377) ... 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::f32::mul (line 509) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrices (line 73) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::i8::mul (line 311) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::i128::mul (line 487) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::i32::mul (line 399) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::u16::mul (line 333) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 168) ... ok [INFO] [stdout] test src/operations.rs - operations::apply_to_matrix (line 256) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrices (line 56) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 187) ... ok [INFO] [stdout] test src/mul_impl.rs - mul_impl::u128::mul (line 465) ... 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::add_matrix_with_1row_matrix (line 121) ... ok [INFO] [stdout] test src/operations.rs - operations::apply_between_matrices (line 415) ... ok [INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_columns (line 302) ... ok [INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 360) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1col_matrix (line 202) ... 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_with_param (line 279) ... ok [INFO] [stdout] test src/operations.rs - operations::apply_to_matrix_rows (line 381) ... ok [INFO] [stdout] test src/operations.rs - operations::add_matrix_with_1row_matrix (line 136) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 506) ... 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::add_matrix_with_1row_matrix (line 103) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 619) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 600) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrices (line 487) ... 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 536) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1col_matrix (line 634) ... ok [INFO] [stdout] test src/operations.rs - operations::mul_one_by_one (line 713) ... ok [INFO] [stdout] test src/operations.rs - operations::dot_matrices (line 766) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 568) ... ok [INFO] [stdout] test src/operations.rs - operations::transpose_matrix (line 31) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_assign (line 116) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_assign (line 98) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub (line 174) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_1row_matrix (line 554) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub (line 228) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub (line 192) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_assign (line 76) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub (line 143) ... 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::sub (line 159) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::f64::sub (line 405) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_matrix (line 31) ... ok [INFO] [stdout] test src/operations.rs - operations::sub_matrix_with_scalar (line 667) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::i16::sub (line 272) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_scalar (line 10) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::i64::sub (line 360) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::Matrix::sub_matrix (line 49) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::u16::sub (line 250) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::i128::sub (line 450) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::isize::sub (line 494) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::usize::sub (line 472) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::i32::sub (line 316) ... 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::u8::sub (line 516) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::u64::sub (line 338) ... ok [INFO] [stdout] test src/sub_impl.rs - sub_impl::u32::sub (line 294) ... ok [INFO] [stdout] [INFO] [stdout] failures: [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' (875) 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: 0x5d9010d2a1a2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5d9010d2a1a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5d9010d2a1a2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5d9010d2a1a2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5d9010d3928f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5d9010d3928f - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5d9010d08c33 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5d9010d08c33 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5d9010d0dd62 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5d9010d0f58c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5d9010d0f3e6 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5d9010d0fb65 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5d9010d0f9fa - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5d9010d0de99 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5d9010cfd5cd - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5d9010d3c730 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5d9010d3bef6 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5d9010cfa340 - rust_out::main::_doctest_main_src_csv_rs_15_0::hd569654d97e597de [INFO] [stdout] 18: 0x5d9010cf9f76 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 19: 0x5d9010cf6e93 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 20: 0x5d9010cf66e6 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 21: 0x5d9010cf6629 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 22: 0x5d9010d09de0 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x5d9010d09de0 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x5d9010d09de0 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x5d9010d09de0 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5d9010d09de0 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5d9010d09de0 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5d9010d09de0 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5d9010d09de0 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5d9010d09de0 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5d9010cf6611 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 32: 0x5d9010cfa4c5 - main [INFO] [stdout] 33: 0x7cb80f8171ca - [INFO] [stdout] 34: 0x7cb80f81728b - __libc_start_main [INFO] [stdout] 35: 0x5d9010cf34d5 - _start [INFO] [stdout] 36: 0x0 - [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' (881) 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: 0x5a9edd755d82 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a9edd755d82 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a9edd755d82 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a9edd755d82 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a9edd76551f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5a9edd76551f - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5a9edd734893 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5a9edd734893 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5a9edd7399c2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5a9edd73b1ec - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5a9edd73b046 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5a9edd73b7c5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5a9edd73b65a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5a9edd739af9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5a9edd72922d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5a9edd76ca40 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5a9edd76c166 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5a9edd72898c - rust_out::main::_doctest_main_src_csv_rs_271_0::h282032a174f812be [INFO] [stdout] 18: 0x5a9edd7286e6 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 19: 0x5a9edd726a43 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 20: 0x5a9edd726916 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 21: 0x5a9edd726859 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 22: 0x5a9edd735a40 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x5a9edd735a40 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x5a9edd735a40 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x5a9edd735a40 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5a9edd735a40 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5a9edd735a40 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5a9edd735a40 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5a9edd735a40 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5a9edd735a40 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5a9edd726841 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 32: 0x5a9edd728a95 - main [INFO] [stdout] 33: 0x7f518ad841ca - [INFO] [stdout] 34: 0x7f518ad8428b - __libc_start_main [INFO] [stdout] 35: 0x5a9edd724fe5 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [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' (1192) 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: 0x64a23fe79b92 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x64a23fe79b92 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x64a23fe79b92 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x64a23fe79b92 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x64a23fe8932f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x64a23fe8932f - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x64a23fe586a3 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x64a23fe586a3 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x64a23fe5d7d2 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x64a23fe5effc - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x64a23fe5ee56 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x64a23fe5f5d5 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x64a23fe5f46a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x64a23fe5d909 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x64a23fe4d03d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x64a23fe90850 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x64a23fe8ff76 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x64a23fe4c422 - rust_out::main::_doctest_main_src_csv_rs_308_0::ha56862398a735a1e [INFO] [stdout] 18: 0x64a23fe4c026 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 19: 0x64a23fe4a083 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 20: 0x64a23fe49f36 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 21: 0x64a23fe49e79 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 22: 0x64a23fe59850 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x64a23fe59850 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x64a23fe59850 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x64a23fe59850 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x64a23fe59850 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x64a23fe59850 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x64a23fe59850 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x64a23fe59850 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x64a23fe59850 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x64a23fe49e61 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 32: 0x64a23fe4c535 - main [INFO] [stdout] 33: 0x755c3c46b1ca - [INFO] [stdout] 34: 0x755c3c46b28b - __libc_start_main [INFO] [stdout] 35: 0x64a23fe484c5 - _start [INFO] [stdout] 36: 0x0 - [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' (1686) 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: 0x6315ad6c4fc2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x6315ad6c4fc2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x6315ad6c4fc2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x6315ad6c4fc2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x6315ad6d40af - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x6315ad6d40af - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x6315ad6a3a53 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x6315ad6a3a53 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x6315ad6a8b82 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x6315ad6aa3ac - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x6315ad6aa206 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x6315ad6aa985 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x6315ad6aa81a - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x6315ad6a8cb9 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x6315ad6983ed - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x6315ad6d75f0 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x6315ad6d6d16 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x6315ad694a3e - rust_out::main::_doctest_main_src_lib_rs_49_0::h38bb784862c55637 [INFO] [stdout] 18: 0x6315ad6945f6 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 19: 0x6315ad6903f3 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 20: 0x6315ad68f676 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 21: 0x6315ad68f5b9 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 22: 0x6315ad6a4c00 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x6315ad6a4c00 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x6315ad6a4c00 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x6315ad6a4c00 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x6315ad6a4c00 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x6315ad6a4c00 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x6315ad6a4c00 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x6315ad6a4c00 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x6315ad6a4c00 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x6315ad68f5a1 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 32: 0x6315ad694d65 - main [INFO] [stdout] 33: 0x769d4da011ca - [INFO] [stdout] 34: 0x769d4da0128b - __libc_start_main [INFO] [stdout] 35: 0x6315ad68c125 - _start [INFO] [stdout] 36: 0x0 - [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 9.88s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "844e0a32c5c73558378f8248dbe351e8cff59b5b981341c83e690881f0c0038d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "844e0a32c5c73558378f8248dbe351e8cff59b5b981341c83e690881f0c0038d", kill_on_drop: false }` [INFO] [stdout] 844e0a32c5c73558378f8248dbe351e8cff59b5b981341c83e690881f0c0038d