[INFO] cloning repository https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenVanWijk%2Flearn-rust-in-a-month-of-lunches", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenVanWijk%2Flearn-rust-in-a-month-of-lunches'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd192aec28bac312e60281bc4c9f88982779f5a5
[INFO] testing StephenVanWijk/learn-rust-in-a-month-of-lunches against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStephenVanWijk%2Flearn-rust-in-a-month-of-lunches" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches
[INFO] finished tweaking git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches
[INFO] tweaked toml for git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest Rust 1.91.0-nightly compatible versions
[INFO] [stderr]       Adding android-tzdata v0.1.1
[INFO] [stderr]       Adding android_system_properties v0.1.5
[INFO] [stderr]       Adding autocfg v1.5.0
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[INFO] [stderr]       Adding cc v1.2.34
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[INFO] [stderr]       Adding chrono v0.4.41
[INFO] [stderr]       Adding core-foundation-sys v0.8.7
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[INFO] [stderr]       Adding js-sys v0.3.77
[INFO] [stderr]       Adding libc v0.2.175
[INFO] [stderr]       Adding log v0.4.27
[INFO] [stderr]       Adding num-traits v0.2.19
[INFO] [stderr]       Adding once_cell v1.21.3
[INFO] [stderr]       Adding proc-macro2 v1.0.101
[INFO] [stderr]       Adding quote v1.0.40
[INFO] [stderr]       Adding rustversion v1.0.22
[INFO] [stderr]       Adding shlex v1.3.0
[INFO] [stderr]       Adding syn v2.0.106
[INFO] [stderr]       Adding unicode-ident v1.0.18
[INFO] [stderr]       Adding wasm-bindgen v0.2.100
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[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.100
[INFO] [stderr]       Adding windows-core v0.61.2
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[INFO] [stderr]       Adding windows-interface v0.59.1
[INFO] [stderr]       Adding windows-link v0.1.3
[INFO] [stderr]       Adding windows-result v0.3.4
[INFO] [stderr]       Adding windows-strings v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d35a866df6a1d919cf96fc57692ebda7920e60a2142e5912cc328f4d9ed0ce1
[INFO] running `Command { std: "docker" "start" "-a" "2d35a866df6a1d919cf96fc57692ebda7920e60a2142e5912cc328f4d9ed0ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d35a866df6a1d919cf96fc57692ebda7920e60a2142e5912cc328f4d9ed0ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d35a866df6a1d919cf96fc57692ebda7920e60a2142e5912cc328f4d9ed0ce1", kill_on_drop: false }`
[INFO] [stdout] 2d35a866df6a1d919cf96fc57692ebda7920e60a2142e5912cc328f4d9ed0ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a6f51564fc77ad2acd3df44e999fa5052e79b91cc51fdae2672bac26df5bce9
[INFO] running `Command { std: "docker" "start" "-a" "5a6f51564fc77ad2acd3df44e999fa5052e79b91cc51fdae2672bac26df5bce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling chapter-nine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Company {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_ceo` are never used
[INFO] [stdout]   --> src/main.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Company {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     fn new(name: &str, ceo: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn get_ceo(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_datetime` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn get_current_datetime() -> String{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_1` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn mapping_and_filtering_paragraph_911_1() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_2` is never used
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn mapping_and_filtering_paragraph_911_2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_3` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn mapping_and_filtering_paragraph_911_3(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_4` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn mapping_and_filtering_paragraph_911_4(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_5` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn mapping_and_filtering_paragraph_911_5(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_char_vec` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn in_char_vec(char_vec: &Vec<char>, check: char) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_913_1` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn mapping_and_filtering_paragraph_913_1(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "5a6f51564fc77ad2acd3df44e999fa5052e79b91cc51fdae2672bac26df5bce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6f51564fc77ad2acd3df44e999fa5052e79b91cc51fdae2672bac26df5bce9", kill_on_drop: false }`
[INFO] [stdout] 5a6f51564fc77ad2acd3df44e999fa5052e79b91cc51fdae2672bac26df5bce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 590d1e2e4c304bede9b78839b34032d1a03e376c6660fa81fb162e054289c4f9
[INFO] running `Command { std: "docker" "start" "-a" "590d1e2e4c304bede9b78839b34032d1a03e376c6660fa81fb162e054289c4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter-nine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Company {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_ceo` are never used
[INFO] [stdout]   --> src/main.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Company {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout]  9 |     fn new(name: &str, ceo: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn get_ceo(&self) -> Option<String> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_current_datetime` is never used
[INFO] [stdout]   --> src/main.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn get_current_datetime() -> String{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_1` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn mapping_and_filtering_paragraph_911_1() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_2` is never used
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn mapping_and_filtering_paragraph_911_2() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_3` is never used
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn mapping_and_filtering_paragraph_911_3(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_4` is never used
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn mapping_and_filtering_paragraph_911_4(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_911_5` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn mapping_and_filtering_paragraph_911_5(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_char_vec` is never used
[INFO] [stdout]    --> src/main.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn in_char_vec(char_vec: &Vec<char>, check: char) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mapping_and_filtering_paragraph_913_1` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn mapping_and_filtering_paragraph_913_1(){
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "590d1e2e4c304bede9b78839b34032d1a03e376c6660fa81fb162e054289c4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590d1e2e4c304bede9b78839b34032d1a03e376c6660fa81fb162e054289c4f9", kill_on_drop: false }`
[INFO] [stdout] 590d1e2e4c304bede9b78839b34032d1a03e376c6660fa81fb162e054289c4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be4d007af7f68bfd7e821702c5f5124cb796f61dd816946c6392a8f426268288
[INFO] running `Command { std: "docker" "start" "-a" "be4d007af7f68bfd7e821702c5f5124cb796f61dd816946c6392a8f426268288", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Company` is never constructed
[INFO] [stderr]  --> src/main.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Company {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_ceo` are never used
[INFO] [stderr]   --> src/main.rs:9:8
[INFO] [stderr]    |
[INFO] [stderr]  8 | impl Company {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr]  9 |     fn new(name: &str, ceo: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn get_ceo(&self) -> Option<String> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_current_datetime` is never used
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn get_current_datetime() -> String{
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_911_1` is never used
[INFO] [stderr]   --> src/main.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn mapping_and_filtering_paragraph_911_1() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_911_2` is never used
[INFO] [stderr]   --> src/main.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn mapping_and_filtering_paragraph_911_2() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_911_3` is never used
[INFO] [stderr]   --> src/main.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn mapping_and_filtering_paragraph_911_3(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_911_4` is never used
[INFO] [stderr]   --> src/main.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn mapping_and_filtering_paragraph_911_4(){
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_911_5` is never used
[INFO] [stderr]    --> src/main.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn mapping_and_filtering_paragraph_911_5(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `in_char_vec` is never used
[INFO] [stderr]    --> src/main.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn in_char_vec(char_vec: &Vec<char>, check: char) {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `mapping_and_filtering_paragraph_913_1` is never used
[INFO] [stderr]    --> src/main.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn mapping_and_filtering_paragraph_913_1(){
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-nine` (bin "chapter-nine" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter_nine-14312cfd016f0d6a)
[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" "be4d007af7f68bfd7e821702c5f5124cb796f61dd816946c6392a8f426268288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4d007af7f68bfd7e821702c5f5124cb796f61dd816946c6392a8f426268288", kill_on_drop: false }`
[INFO] [stdout] be4d007af7f68bfd7e821702c5f5124cb796f61dd816946c6392a8f426268288