[INFO] fetching crate extended_matrix 0.2.12...
[INFO] testing extended_matrix-0.2.12 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate extended_matrix 0.2.12 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate extended_matrix 0.2.12 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate extended_matrix 0.2.12
[INFO] finished tweaking crates.io crate extended_matrix 0.2.12
[INFO] tweaked toml for crates.io crate extended_matrix 0.2.12 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate extended_matrix 0.2.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4465cf5e34d7fda1390a94b96aab034c7962919838a8f16266be708ea78f9cff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4465cf5e34d7fda1390a94b96aab034c7962919838a8f16266be708ea78f9cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4465cf5e34d7fda1390a94b96aab034c7962919838a8f16266be708ea78f9cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4465cf5e34d7fda1390a94b96aab034c7962919838a8f16266be708ea78f9cff", kill_on_drop: false }`
[INFO] [stdout] 4465cf5e34d7fda1390a94b96aab034c7962919838a8f16266be708ea78f9cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4556a4c7084df6edc9dc056dc25d455e3087df5b2ae97438b1b8db953100b8e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4556a4c7084df6edc9dc056dc25d455e3087df5b2ae97438b1b8db953100b8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling extended_matrix v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `ref_rows_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn ref_rows_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_columns_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn ref_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_rows_and_columns_number`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn ref_rows_and_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn return_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_non_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn return_non_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "a4556a4c7084df6edc9dc056dc25d455e3087df5b2ae97438b1b8db953100b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4556a4c7084df6edc9dc056dc25d455e3087df5b2ae97438b1b8db953100b8e", kill_on_drop: false }`
[INFO] [stdout] a4556a4c7084df6edc9dc056dc25d455e3087df5b2ae97438b1b8db953100b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a385bb3e8e85124b4f481ed629ded87fb003eea2e0f4761300cd39e5a41771d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a385bb3e8e85124b4f481ed629ded87fb003eea2e0f4761300cd39e5a41771d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: associated function is never used: `ref_rows_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn ref_rows_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_columns_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn ref_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_rows_and_columns_number`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn ref_rows_and_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn return_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_non_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn return_non_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling extended_matrix v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `ref_rows_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:260:12
[INFO] [stdout]     |
[INFO] [stdout] 260 |     pub fn ref_rows_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_columns_number`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:266:12
[INFO] [stdout]     |
[INFO] [stdout] 266 |     pub fn ref_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/non_symmetric_matrix.rs:278:12
[INFO] [stdout]     |
[INFO] [stdout] 278 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_rows_and_columns_number`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:207:12
[INFO] [stdout]     |
[INFO] [stdout] 207 |     pub fn ref_rows_and_columns_number(&self) -> &T
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:213:12
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ref_elements_values`
[INFO] [stdout]    --> src/basic_matrix/symmetric_matrix.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn return_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_non_symmetric_matrix_struct`
[INFO] [stdout]   --> src/basic_matrix/functions.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn return_non_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a385bb3e8e85124b4f481ed629ded87fb003eea2e0f4761300cd39e5a41771d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a385bb3e8e85124b4f481ed629ded87fb003eea2e0f4761300cd39e5a41771d", kill_on_drop: false }`
[INFO] [stdout] 9a385bb3e8e85124b4f481ed629ded87fb003eea2e0f4761300cd39e5a41771d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0f2b0b3ec4a481e614a809444ceac647e64a83f2befb230c2fe4c0c6ebbacb2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b0f2b0b3ec4a481e614a809444ceac647e64a83f2befb230c2fe4c0c6ebbacb2", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `ref_rows_number`
[INFO] [stderr]    --> src/basic_matrix/non_symmetric_matrix.rs:260:12
[INFO] [stderr]     |
[INFO] [stderr] 260 |     pub fn ref_rows_number(&self) -> &T
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_columns_number`
[INFO] [stderr]    --> src/basic_matrix/non_symmetric_matrix.rs:266:12
[INFO] [stderr]     |
[INFO] [stderr] 266 |     pub fn ref_columns_number(&self) -> &T
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stderr]    --> src/basic_matrix/non_symmetric_matrix.rs:272:12
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_elements_values`
[INFO] [stderr]    --> src/basic_matrix/non_symmetric_matrix.rs:278:12
[INFO] [stderr]     |
[INFO] [stderr] 278 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_rows_and_columns_number`
[INFO] [stderr]    --> src/basic_matrix/symmetric_matrix.rs:207:12
[INFO] [stderr]     |
[INFO] [stderr] 207 |     pub fn ref_rows_and_columns_number(&self) -> &T
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_elements_indexes`
[INFO] [stderr]    --> src/basic_matrix/symmetric_matrix.rs:213:12
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn ref_elements_indexes(&self) -> &[T]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ref_elements_values`
[INFO] [stderr]    --> src/basic_matrix/symmetric_matrix.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn ref_elements_values(&self) -> &[V]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_symmetric_matrix_struct`
[INFO] [stderr]   --> src/basic_matrix/functions.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn return_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_non_symmetric_matrix_struct`
[INFO] [stderr]   --> src/basic_matrix/functions.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn return_non_symmetric_matrix_struct<T, V>(boxed_struct: Box<dyn BasicMatrixTrait<T, V>>)
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extended_matrix` (lib) generated 9 warnings
[INFO] [stderr] warning: `extended_matrix` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/extended_matrix-5728e4854caa136c)
[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 extended_matrix
[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] running `Command { std: "docker" "inspect" "b0f2b0b3ec4a481e614a809444ceac647e64a83f2befb230c2fe4c0c6ebbacb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f2b0b3ec4a481e614a809444ceac647e64a83f2befb230c2fe4c0c6ebbacb2", kill_on_drop: false }`
[INFO] [stdout] b0f2b0b3ec4a481e614a809444ceac647e64a83f2befb230c2fe4c0c6ebbacb2