[INFO] cloning repository https://github.com/kiramario/rust_learning_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kiramario/rust_learning_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiramario%2Frust_learning_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiramario%2Frust_learning_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e01dd65a715b579001b8af563a22fcc89c8b3708
[INFO] testing kiramario/rust_learning_demo against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiramario%2Frust_learning_demo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kiramario/rust_learning_demo
[INFO] finished tweaking git repo https://github.com/kiramario/rust_learning_demo
[INFO] tweaked toml for git repo https://github.com/kiramario/rust_learning_demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kiramario/rust_learning_demo on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kiramario/rust_learning_demo 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f1b1210f01f05e5d2631bfc8d66a89c10bc8ae3122b2cdfec9d3f3148ed35e6
[INFO] running `Command { std: "docker" "start" "-a" "3f1b1210f01f05e5d2631bfc8d66a89c10bc8ae3122b2cdfec9d3f3148ed35e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f1b1210f01f05e5d2631bfc8d66a89c10bc8ae3122b2cdfec9d3f3148ed35e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1b1210f01f05e5d2631bfc8d66a89c10bc8ae3122b2cdfec9d3f3148ed35e6", kill_on_drop: false }`
[INFO] [stdout] 3f1b1210f01f05e5d2631bfc8d66a89c10bc8ae3122b2cdfec9d3f3148ed35e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3004f739cf112244eafb829cf53a3f8ebdadb997968a18fa064c3e362e92e688
[INFO] running `Command { std: "docker" "start" "-a" "3004f739cf112244eafb829cf53a3f8ebdadb997968a18fa064c3e362e92e688", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learning_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `graph::digi_graph::wave_test1`
[INFO] [stdout]  --> src/algorithm/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use graph::digi_graph::wave_test1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stdout]    |                                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stdout] 13 +     let xb: Vec<u8> = x.iter().map(|x| *x as u8 - 0 ).collect::<Vec<u8>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wave_str`
[INFO] [stdout]    --> src/algorithm/graph/digi_graph.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let wave_str: Vec<Vec<char>> = vec![
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wave_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digi_graph_main` is never used
[INFO] [stdout]  --> src/algorithm/graph/digi_graph.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn digi_graph_main() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_to_number` is never used
[INFO] [stdout]  --> src/algorithm/graph/digi_graph.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn char_to_number(c: char) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `turth_table_print` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn turth_table_print(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sumOf_min_nomia` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn sumOf_min_nomia(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wave_test1` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn wave_test1() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wave_test2` is never used
[INFO] [stdout]    --> src/algorithm/graph/digi_graph.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn wave_test2() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sumOf_min_nomia` should have a snake case name
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn sumOf_min_nomia(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sum_of_min_nomia`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "3004f739cf112244eafb829cf53a3f8ebdadb997968a18fa064c3e362e92e688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3004f739cf112244eafb829cf53a3f8ebdadb997968a18fa064c3e362e92e688", kill_on_drop: false }`
[INFO] [stdout] 3004f739cf112244eafb829cf53a3f8ebdadb997968a18fa064c3e362e92e688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eeed017607b28905feaa5951716f433a35da80270dd568e0b80d17f9ddee385
[INFO] running `Command { std: "docker" "start" "-a" "4eeed017607b28905feaa5951716f433a35da80270dd568e0b80d17f9ddee385", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_learning_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `graph::digi_graph::wave_test1`
[INFO] [stdout]  --> src/algorithm/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use graph::digi_graph::wave_test1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/main.rs:13:40
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stdout]    |                                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 13 -     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stdout] 13 +     let xb: Vec<u8> = x.iter().map(|x| *x as u8 - 0 ).collect::<Vec<u8>>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `wave_str`
[INFO] [stdout]    --> src/algorithm/graph/digi_graph.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let wave_str: Vec<Vec<char>> = vec![
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wave_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digi_graph_main` is never used
[INFO] [stdout]  --> src/algorithm/graph/digi_graph.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn digi_graph_main() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_to_number` is never used
[INFO] [stdout]  --> src/algorithm/graph/digi_graph.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn char_to_number(c: char) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `turth_table_print` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn turth_table_print(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sumOf_min_nomia` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn sumOf_min_nomia(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wave_test1` is never used
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn wave_test1() {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `wave_test2` is never used
[INFO] [stdout]    --> src/algorithm/graph/digi_graph.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn wave_test2() {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sumOf_min_nomia` should have a snake case name
[INFO] [stdout]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn sumOf_min_nomia(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sum_of_min_nomia`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4eeed017607b28905feaa5951716f433a35da80270dd568e0b80d17f9ddee385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eeed017607b28905feaa5951716f433a35da80270dd568e0b80d17f9ddee385", kill_on_drop: false }`
[INFO] [stdout] 4eeed017607b28905feaa5951716f433a35da80270dd568e0b80d17f9ddee385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 124849f3b332b4abcb841e6ad709908a59952c85f8e39f4ab9f371daf3a00406
[INFO] running `Command { std: "docker" "start" "-a" "124849f3b332b4abcb841e6ad709908a59952c85f8e39f4ab9f371daf3a00406", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `graph::digi_graph::wave_test1`
[INFO] [stderr]  --> src/algorithm/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use graph::digi_graph::wave_test1;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/main.rs:13:40
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stderr]    |                                        ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 13 -     let xb: Vec<u8> = x.iter().map(|x| (*x as u8 - 0)).collect::<Vec<u8>>();
[INFO] [stderr] 13 +     let xb: Vec<u8> = x.iter().map(|x| *x as u8 - 0 ).collect::<Vec<u8>>();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `wave_str`
[INFO] [stderr]    --> src/algorithm/graph/digi_graph.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let wave_str: Vec<Vec<char>> = vec![
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_wave_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `digi_graph_main` is never used
[INFO] [stderr]  --> src/algorithm/graph/digi_graph.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn digi_graph_main() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `char_to_number` is never used
[INFO] [stderr]  --> src/algorithm/graph/digi_graph.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn char_to_number(c: char) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `turth_table_print` is never used
[INFO] [stderr]   --> src/algorithm/graph/digi_graph.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn turth_table_print(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sumOf_min_nomia` is never used
[INFO] [stderr]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn sumOf_min_nomia(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `wave_test1` is never used
[INFO] [stderr]   --> src/algorithm/graph/digi_graph.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn wave_test1() {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `wave_test2` is never used
[INFO] [stderr]    --> src/algorithm/graph/digi_graph.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn wave_test2() {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sumOf_min_nomia` should have a snake case name
[INFO] [stderr]   --> src/algorithm/graph/digi_graph.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn sumOf_min_nomia(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `sum_of_min_nomia`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_learning_demo` (bin "rust_learning_demo" test) generated 10 warnings (run `cargo fix --bin "rust_learning_demo" -p rust_learning_demo --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_learning_demo-0aa681777de6bf04)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning_demo-3c38e5c28a09ae22)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_learning_demo
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 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" "124849f3b332b4abcb841e6ad709908a59952c85f8e39f4ab9f371daf3a00406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124849f3b332b4abcb841e6ad709908a59952c85f8e39f4ab9f371daf3a00406", kill_on_drop: false }`
[INFO] [stdout] 124849f3b332b4abcb841e6ad709908a59952c85f8e39f4ab9f371daf3a00406
