[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] checking StephenVanWijk/learn-rust-in-a-month-of-lunches against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[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-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/StephenVanWijk/learn-rust-in-a-month-of-lunches on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest Rust 1.93.0-nightly compatible versions
[INFO] [stderr]       Adding android_system_properties v0.1.5
[INFO] [stderr]       Adding autocfg v1.5.0
[INFO] [stderr]       Adding bumpalo v3.19.0
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[INFO] [stderr]       Adding chrono v0.4.42
[INFO] [stderr]       Adding core-foundation-sys v0.8.7
[INFO] [stderr]       Adding find-msvc-tools v0.1.4
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[INFO] [stderr]       Adding libc v0.2.177
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[INFO] [stderr]       Adding num-traits v0.2.19
[INFO] [stderr]       Adding once_cell v1.21.3
[INFO] [stderr]       Adding proc-macro2 v1.0.103
[INFO] [stderr]       Adding quote v1.0.42
[INFO] [stderr]       Adding rustversion v1.0.22
[INFO] [stderr]       Adding shlex v1.3.0
[INFO] [stderr]       Adding syn v2.0.110
[INFO] [stderr]       Adding unicode-ident v1.0.22
[INFO] [stderr]       Adding wasm-bindgen v0.2.105
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19496d4e1d248715b0f9e35ab198d83d2a47ef590bb52b0bcea070c666e67e80
[INFO] running `Command { std: "docker" "start" "-a" "19496d4e1d248715b0f9e35ab198d83d2a47ef590bb52b0bcea070c666e67e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19496d4e1d248715b0f9e35ab198d83d2a47ef590bb52b0bcea070c666e67e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19496d4e1d248715b0f9e35ab198d83d2a47ef590bb52b0bcea070c666e67e80", kill_on_drop: false }`
[INFO] [stdout] 19496d4e1d248715b0f9e35ab198d83d2a47ef590bb52b0bcea070c666e67e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31899088f567e2ab26c0874be5b9cfeb5fc12547e8aaa16bc59418532f5a0503
[INFO] running `Command { std: "docker" "start" "-a" "31899088f567e2ab26c0874be5b9cfeb5fc12547e8aaa16bc59418532f5a0503", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking 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] [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 1.60s
[INFO] running `Command { std: "docker" "inspect" "31899088f567e2ab26c0874be5b9cfeb5fc12547e8aaa16bc59418532f5a0503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31899088f567e2ab26c0874be5b9cfeb5fc12547e8aaa16bc59418532f5a0503", kill_on_drop: false }`
[INFO] [stdout] 31899088f567e2ab26c0874be5b9cfeb5fc12547e8aaa16bc59418532f5a0503