[INFO] cloning repository https://github.com/navono/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/navono/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavono%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavono%2Flearn_rust'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/navono/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/navono/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavono%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavono%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c6eeb05afc98d136ea9063d370801c8a1864ef
[INFO] testing navono/learn_rust against nightly-2025-01-18 for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnavono%2Flearn_rust" "/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/navono/learn_rust on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/navono/learn_rust
[INFO] finished tweaking git repo https://github.com/navono/learn_rust
[INFO] tweaked toml for git repo https://github.com/navono/learn_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/navono/learn_rust 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b8edecb315dadb989fad395a07629f30a727ef8178562c42f237c073ce1f7e
[INFO] running `Command { std: "docker" "start" "-a" "d7b8edecb315dadb989fad395a07629f30a727ef8178562c42f237c073ce1f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b8edecb315dadb989fad395a07629f30a727ef8178562c42f237c073ce1f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b8edecb315dadb989fad395a07629f30a727ef8178562c42f237c073ce1f7e", kill_on_drop: false }`
[INFO] [stdout] d7b8edecb315dadb989fad395a07629f30a727ef8178562c42f237c073ce1f7e
[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=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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c527c8157a66b6098ea300bba00e7f1e6b48bf1712d85365a4610e53a06f27
[INFO] running `Command { std: "docker" "start" "-a" "07c527c8157a66b6098ea300bba00e7f1e6b48bf1712d85365a4610e53a06f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/format/format.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /**
[INFO] [stdout] 79 | |       For integral types, this is ignored.
[INFO] [stdout] 80 | |       For floating-point types, this indicates how many digits after the decimal point should be printed.
[INFO] [stdout] 81 | |       There are three possible ways to specify the desired precision:
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         refers to the value to print, and the precision must come in the input preceding <arg>.
[INFO] [stdout] 91 | |     */
[INFO] [stdout]    | |______^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Subtract`
[INFO] [stdout]   --> src/types/enums.rs:66:76
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use crate::types::enums::VeryVerboseEnumOfThingsToDoWithNumbers::{Add, Subtract};
[INFO] [stdout]    |                                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modules::super_self::my_mod`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use modules::super_self::my_mod;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_format` is never used
[INFO] [stdout]   --> src/format/format.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn print_format() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_precision` is never used
[INFO] [stdout]   --> src/format/format.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn print_precision() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vector2D` is never constructed
[INFO] [stdout]    --> src/format/format.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct Vector2D {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_custom_format` is never used
[INFO] [stdout]    --> src/format/format.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn print_custom_format() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_closure` is never used
[INFO] [stdout]  --> src/functions/closures.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn print_closure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/modules/super_self.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn function() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/modules/super_self.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn function() {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn function() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indirect_call` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn indirect_call() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `analyze_slice` is never used
[INFO] [stdout]  --> src/primitives/array.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_array` is never used
[INFO] [stdout]  --> src/primitives/array.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn print_array() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_primitives` is never used
[INFO] [stdout]  --> src/primitives/basic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_primitives() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]  --> src/primitives/tuples.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn reverse(pair: (i32, bool)) -> (bool, i32) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]   --> src/primitives/tuples.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_tuples` is never used
[INFO] [stdout]   --> src/primitives/tuples.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn print_tuples() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Subtract` is never constructed
[INFO] [stdout]   --> src/types/enums.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    |      -------------------------------------- variant in this enum
[INFO] [stdout] 33 |     Add,
[INFO] [stdout] 34 |     Subtract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/types/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unit` is never constructed
[INFO] [stdout]   --> src/types/structs.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Unit;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> src/types/structs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Pair(i32, f32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/types/structs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Point {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 22 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 23 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_struct` is never used
[INFO] [stdout]   --> src/types/structs.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_struct() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "07c527c8157a66b6098ea300bba00e7f1e6b48bf1712d85365a4610e53a06f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c527c8157a66b6098ea300bba00e7f1e6b48bf1712d85365a4610e53a06f27", kill_on_drop: false }`
[INFO] [stdout] 07c527c8157a66b6098ea300bba00e7f1e6b48bf1712d85365a4610e53a06f27
[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=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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e38799eb8cfd09ff9d03ff0fc029b4dbd7b1b1f01223f61dcedd3fc42b0d734
[INFO] running `Command { std: "docker" "start" "-a" "5e38799eb8cfd09ff9d03ff0fc029b4dbd7b1b1f01223f61dcedd3fc42b0d734", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/format/format.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /**
[INFO] [stdout] 79 | |       For integral types, this is ignored.
[INFO] [stdout] 80 | |       For floating-point types, this indicates how many digits after the decimal point should be printed.
[INFO] [stdout] 81 | |       There are three possible ways to specify the desired precision:
[INFO] [stdout] ...  |
[INFO] [stdout] 90 | |         refers to the value to print, and the precision must come in the input preceding <arg>.
[INFO] [stdout] 91 | |     */
[INFO] [stdout]    | |______^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Subtract`
[INFO] [stdout]   --> src/types/enums.rs:66:76
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use crate::types::enums::VeryVerboseEnumOfThingsToDoWithNumbers::{Add, Subtract};
[INFO] [stdout]    |                                                                            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modules::super_self::my_mod`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use modules::super_self::my_mod;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_format` is never used
[INFO] [stdout]   --> src/format/format.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn print_format() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_precision` is never used
[INFO] [stdout]   --> src/format/format.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn print_precision() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vector2D` is never constructed
[INFO] [stdout]    --> src/format/format.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct Vector2D {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_custom_format` is never used
[INFO] [stdout]    --> src/format/format.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn print_custom_format() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_closure` is never used
[INFO] [stdout]  --> src/functions/closures.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn print_closure() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/modules/super_self.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn function() {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]  --> src/modules/super_self.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn function() {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn function() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indirect_call` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn indirect_call() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `function` is never used
[INFO] [stdout]   --> src/modules/super_self.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |         pub fn function() {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `analyze_slice` is never used
[INFO] [stdout]  --> src/primitives/array.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_array` is never used
[INFO] [stdout]  --> src/primitives/array.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn print_array() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_primitives` is never used
[INFO] [stdout]  --> src/primitives/basic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn print_primitives() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]  --> src/primitives/tuples.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn reverse(pair: (i32, bool)) -> (bool, i32) {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Matrix` is never constructed
[INFO] [stdout]   --> src/primitives/tuples.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Matrix(f32, f32, f32, f32);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_tuples` is never used
[INFO] [stdout]   --> src/primitives/tuples.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn print_tuples() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Subtract` is never constructed
[INFO] [stdout]   --> src/types/enums.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum VeryVerboseEnumOfThingsToDoWithNumbers {
[INFO] [stdout]    |      -------------------------------------- variant in this enum
[INFO] [stdout] 33 |     Add,
[INFO] [stdout] 34 |     Subtract,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> src/types/structs.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unit` is never constructed
[INFO] [stdout]   --> src/types/structs.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Unit;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]   --> src/types/structs.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Pair(i32, f32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/types/structs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Point {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 22 |     x: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 23 |     y: f32,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_struct` is never used
[INFO] [stdout]   --> src/types/structs.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn print_struct() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaTeAWZ3"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learn_rust` (bin "learn_rust" test) due to 1 previous error; 25 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5e38799eb8cfd09ff9d03ff0fc029b4dbd7b1b1f01223f61dcedd3fc42b0d734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e38799eb8cfd09ff9d03ff0fc029b4dbd7b1b1f01223f61dcedd3fc42b0d734", kill_on_drop: false }`
[INFO] [stdout] 5e38799eb8cfd09ff9d03ff0fc029b4dbd7b1b1f01223f61dcedd3fc42b0d734
