[INFO] cloning repository https://github.com/aburakov/rustedu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aburakov/rustedu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburakov%2Frustedu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburakov%2Frustedu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2143a32975d10fed0d73a8412067e0ef8ea2068e
[INFO] testing aburakov/rustedu against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburakov%2Frustedu" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aburakov/rustedu on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aburakov/rustedu
[INFO] finished tweaking git repo https://github.com/aburakov/rustedu
[INFO] tweaked toml for git repo https://github.com/aburakov/rustedu written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aburakov/rustedu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing aburakov/rustedu against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faburakov%2Frustedu" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aburakov/rustedu on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aburakov/rustedu
[INFO] finished tweaking git repo https://github.com/aburakov/rustedu
[INFO] tweaked toml for git repo https://github.com/aburakov/rustedu written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aburakov/rustedu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04148c88c79a79c625104e6c1c407148f6b8d49a24a381a685dc90acc9a945d2
[INFO] running `Command { std: "docker" "start" "-a" "04148c88c79a79c625104e6c1c407148f6b8d49a24a381a685dc90acc9a945d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04148c88c79a79c625104e6c1c407148f6b8d49a24a381a685dc90acc9a945d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04148c88c79a79c625104e6c1c407148f6b8d49a24a381a685dc90acc9a945d2", kill_on_drop: false }`
[INFO] [stdout] 04148c88c79a79c625104e6c1c407148f6b8d49a24a381a685dc90acc9a945d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbed5bfc30b3d253c61b5a7f32d1d53521cd022e14fb2bd162907479c7e4eb10
[INFO] running `Command { std: "docker" "start" "-a" "bbed5bfc30b3d253c61b5a7f32d1d53521cd022e14fb2bd162907479c7e4eb10", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Operations`
[INFO] [stdout]  --> src/main.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::metanit::chapter_3::{BaoMember, Operations};
[INFO] [stdout]   |                                            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_message` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_message(oper: fn(i32, i32) -> i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ss` is never used
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn ss(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_family_member` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn print_family_member(bao_member: &mut BaoMember) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chapters_test_func` is never used
[INFO] [stdout]  --> src/chapters/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn chapters_test_func(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bao_func` is never used
[INFO] [stdout]  --> src/chapters/chapter_2/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bao_func() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assign_error_example` is never used
[INFO] [stdout]  --> src/chapters/chapter_3/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn assign_error_example(text: &mut String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_test` is never used
[INFO] [stdout]  --> src/chapters/chapter_3/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn loop_test() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_collections` is never used
[INFO] [stdout]  --> src/metanit/chapter_3/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn simple_collections() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaoMember` is never constructed
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BaoMember {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn calc(operations: Operations) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operations` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Operations {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pattern_test` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn pattern_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "bbed5bfc30b3d253c61b5a7f32d1d53521cd022e14fb2bd162907479c7e4eb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbed5bfc30b3d253c61b5a7f32d1d53521cd022e14fb2bd162907479c7e4eb10", kill_on_drop: false }`
[INFO] [stdout] bbed5bfc30b3d253c61b5a7f32d1d53521cd022e14fb2bd162907479c7e4eb10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d37d654ee1bdf5a9719c019bb6b65c7513444cde50890162dc84e5f0ea81036
[INFO] running `Command { std: "docker" "start" "-a" "0d37d654ee1bdf5a9719c019bb6b65c7513444cde50890162dc84e5f0ea81036", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Operations`
[INFO] [stdout]  --> src/main.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::metanit::chapter_3::{BaoMember, Operations};
[INFO] [stdout]   |                                            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_message` is never used
[INFO] [stdout]   --> src/main.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn get_message(oper: fn(i32, i32) -> i32) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ss` is never used
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn ss(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_family_member` is never used
[INFO] [stdout]   --> src/main.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn print_family_member(bao_member: &mut BaoMember) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chapters_test_func` is never used
[INFO] [stdout]  --> src/chapters/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn chapters_test_func(){
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bao_func` is never used
[INFO] [stdout]  --> src/chapters/chapter_2/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bao_func() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assign_error_example` is never used
[INFO] [stdout]  --> src/chapters/chapter_3/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn assign_error_example(text: &mut String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `loop_test` is never used
[INFO] [stdout]  --> src/chapters/chapter_3/mod.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn loop_test() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simple_collections` is never used
[INFO] [stdout]  --> src/metanit/chapter_3/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn simple_collections() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BaoMember` is never constructed
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct BaoMember {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn calc(operations: Operations) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operations` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Operations {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pattern_test` is never used
[INFO] [stdout]   --> src/metanit/chapter_3/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn pattern_test() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "0d37d654ee1bdf5a9719c019bb6b65c7513444cde50890162dc84e5f0ea81036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d37d654ee1bdf5a9719c019bb6b65c7513444cde50890162dc84e5f0ea81036", kill_on_drop: false }`
[INFO] [stdout] 0d37d654ee1bdf5a9719c019bb6b65c7513444cde50890162dc84e5f0ea81036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6d60fdbe86118612e59de6bff39a2be06a027387178e01bc9ba56d637708787
[INFO] running `Command { std: "docker" "start" "-a" "d6d60fdbe86118612e59de6bff39a2be06a027387178e01bc9ba56d637708787", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Operations`
[INFO] [stderr]  --> src/main.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::metanit::chapter_3::{BaoMember, Operations};
[INFO] [stderr]   |                                            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_message` is never used
[INFO] [stderr]   --> src/main.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn get_message(oper: fn(i32, i32) -> i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `ss` is never used
[INFO] [stderr]   --> src/main.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn ss(a: i32, b: i32) -> i32 {
[INFO] [stderr]    |    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `print_family_member` is never used
[INFO] [stderr]   --> src/main.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn print_family_member(bao_member: &mut BaoMember) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `chapters_test_func` is never used
[INFO] [stderr]  --> src/chapters/mod.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn chapters_test_func(){
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `bao_func` is never used
[INFO] [stderr]  --> src/chapters/chapter_2/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn bao_func() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `assign_error_example` is never used
[INFO] [stderr]  --> src/chapters/chapter_3/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn assign_error_example(text: &mut String) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `loop_test` is never used
[INFO] [stderr]  --> src/chapters/chapter_3/mod.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn loop_test() {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `simple_collections` is never used
[INFO] [stderr]  --> src/metanit/chapter_3/mod.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn simple_collections() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BaoMember` is never constructed
[INFO] [stderr]   --> src/metanit/chapter_3/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct BaoMember {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]   --> src/metanit/chapter_3/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn calc(operations: Operations) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Operations` is never used
[INFO] [stderr]   --> src/metanit/chapter_3/mod.rs:23:10
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum Operations {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pattern_test` is never used
[INFO] [stderr]   --> src/metanit/chapter_3/mod.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn pattern_test() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustbook` (bin "rustbook" test) generated 13 warnings (run `cargo fix --bin "rustbook" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustbook-fdff9ab8a2d7039c)
[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" "d6d60fdbe86118612e59de6bff39a2be06a027387178e01bc9ba56d637708787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d60fdbe86118612e59de6bff39a2be06a027387178e01bc9ba56d637708787", kill_on_drop: false }`
[INFO] [stdout] d6d60fdbe86118612e59de6bff39a2be06a027387178e01bc9ba56d637708787