[INFO] cloning repository https://github.com/stringtheory92/RUST-1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stringtheory92/RUST-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstringtheory92%2FRUST-1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstringtheory92%2FRUST-1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 188f3448a3432a20a8cfa34cb0fbca360135e306
[INFO] testing stringtheory92/RUST-1 against 1.83.0 for beta-1.84.0-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstringtheory92%2FRUST-1" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stringtheory92/RUST-1 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stringtheory92/RUST-1
[INFO] finished tweaking git repo https://github.com/stringtheory92/RUST-1
[INFO] tweaked toml for git repo https://github.com/stringtheory92/RUST-1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stringtheory92/RUST-1 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" "+1.83.0" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c155a6b3f3911bd63ef24a9513a87bb3b9a32380783bfdbdac0723b4194f6ed
[INFO] running `Command { std: "docker" "start" "-a" "0c155a6b3f3911bd63ef24a9513a87bb3b9a32380783bfdbdac0723b4194f6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c155a6b3f3911bd63ef24a9513a87bb3b9a32380783bfdbdac0723b4194f6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c155a6b3f3911bd63ef24a9513a87bb3b9a32380783bfdbdac0723b4194f6ed", kill_on_drop: false }`
[INFO] [stdout] 0c155a6b3f3911bd63ef24a9513a87bb3b9a32380783bfdbdac0723b4194f6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f96bf15ebc7685c34dbd8cd4fa9a8922b3e54be811463f04b14ad3170efafd
[INFO] running `Command { std: "docker" "start" "-a" "e7f96bf15ebc7685c34dbd8cd4fa9a8922b3e54be811463f04b14ad3170efafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/bin/ip.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> src/bin/ip.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/bin/dice.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `area`, `around`, and `double_size` are never used
[INFO] [stdout]   --> src/bin/rectangle.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Rectangle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn around(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn double_size(mut self) -> Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/bin/data_structures.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let s = vec!["Here", "We", "Go", "!"];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `color` is never read
[INFO] [stdout]  --> src/bin/garden/vegetables/asparagus.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Asparagus {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     color: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Asparagus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bin/data_structures.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectors` is never used
[INFO] [stdout]  --> src/bin/data_structures.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn vectors() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums` is never used
[INFO] [stdout]   --> src/bin/data_structures.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "e7f96bf15ebc7685c34dbd8cd4fa9a8922b3e54be811463f04b14ad3170efafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f96bf15ebc7685c34dbd8cd4fa9a8922b3e54be811463f04b14ad3170efafd", kill_on_drop: false }`
[INFO] [stdout] e7f96bf15ebc7685c34dbd8cd4fa9a8922b3e54be811463f04b14ad3170efafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33c5852a304a625e905d1a51b6525063095e7e8ba6659b42b884aec76389adbc
[INFO] running `Command { std: "docker" "start" "-a" "33c5852a304a625e905d1a51b6525063095e7e8ba6659b42b884aec76389adbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> src/bin/dice.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/bin/data_structures.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let s = vec!["Here", "We", "Go", "!"];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> src/bin/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `area`, `around`, and `double_size` are never used
[INFO] [stdout]   --> src/bin/rectangle.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Rectangle {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn around(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn double_size(mut self) -> Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row`
[INFO] [stdout]   --> src/bin/data_structures.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let row = vec![
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vectors` is never used
[INFO] [stdout]  --> src/bin/data_structures.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn vectors() {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `enums` is never used
[INFO] [stdout]   --> src/bin/data_structures.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn enums() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]   --> src/bin/ip.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Message {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `color` is never read
[INFO] [stdout]  --> src/bin/garden/vegetables/asparagus.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Asparagus {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 7 |     color: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Asparagus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> src/bin/ip.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Message {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 33 |     fn call(&self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "33c5852a304a625e905d1a51b6525063095e7e8ba6659b42b884aec76389adbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c5852a304a625e905d1a51b6525063095e7e8ba6659b42b884aec76389adbc", kill_on_drop: false }`
[INFO] [stdout] 33c5852a304a625e905d1a51b6525063095e7e8ba6659b42b884aec76389adbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a81d949c5f105ad21be43c01d1ada6ee09f58bfaa6bc1387dd0e29ed89d5ed6b
[INFO] running `Command { std: "docker" "start" "-a" "a81d949c5f105ad21be43c01d1ada6ee09f58bfaa6bc1387dd0e29ed89d5ed6b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/bin/data_structures.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let s = vec!["Here", "We", "Go", "!"];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/bin/data_structures.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let row = vec![
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: function `vectors` is never used
[INFO] [stderr]  --> src/bin/data_structures.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn vectors() {
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `enums` is never used
[INFO] [stderr]   --> src/bin/data_structures.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn enums() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Message` is never used
[INFO] [stderr]  --> src/bin/dice.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Message {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> src/bin/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `color` is never read
[INFO] [stderr]  --> src/bin/garden/vegetables/asparagus.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Asparagus {
[INFO] [stderr]   |            --------- field in this struct
[INFO] [stderr] 7 |     color: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Asparagus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Message` is never used
[INFO] [stderr]   --> src/bin/ip.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 | enum Message {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `call` is never used
[INFO] [stderr]   --> src/bin/ip.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl Message {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 33 |     fn call(&self) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `area`, `around`, and `double_size` are never used
[INFO] [stderr]   --> src/bin/rectangle.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl Rectangle {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     fn area(&self) -> u32 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     fn around(&self) -> u32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn double_size(mut self) -> Rectangle {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `variables` (bin "data_structures" test) generated 4 warnings
[INFO] [stderr] warning: `variables` (bin "dice" test) generated 1 warning
[INFO] [stderr] warning: `variables` (bin "main" test) generated 2 warnings (run `cargo fix --bin "main" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `variables` (bin "ip" test) generated 2 warnings
[INFO] [stderr] warning: `variables` (bin "rectangle" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/data_structures.rs (/opt/rustwide/target/debug/deps/data_structures-dfc75bba63effdcc)
[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/bin/dice.rs (/opt/rustwide/target/debug/deps/dice-c4cc858f44cbcf44)
[INFO] [stderr]      Running unittests src/bin/ip.rs (/opt/rustwide/target/debug/deps/ip-9d001cc32c9f38e3)
[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] [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] [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/bin/main.rs (/opt/rustwide/target/debug/deps/main-bf32a2e49780b41c)
[INFO] [stderr]      Running unittests src/bin/rectangle.rs (/opt/rustwide/target/debug/deps/rectangle-5690637ccf33292e)
[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" "a81d949c5f105ad21be43c01d1ada6ee09f58bfaa6bc1387dd0e29ed89d5ed6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a81d949c5f105ad21be43c01d1ada6ee09f58bfaa6bc1387dd0e29ed89d5ed6b", kill_on_drop: false }`
[INFO] [stdout] a81d949c5f105ad21be43c01d1ada6ee09f58bfaa6bc1387dd0e29ed89d5ed6b