[INFO] cloning repository https://github.com/garetht/rust-exercise-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garetht/rust-exercise-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaretht%2Frust-exercise-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaretht%2Frust-exercise-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5520ce157c51854af8860ffa76f193198234f821
[INFO] testing garetht/rust-exercise-gen against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaretht%2Frust-exercise-gen" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/garetht/rust-exercise-gen
[INFO] finished tweaking git repo https://github.com/garetht/rust-exercise-gen
[INFO] tweaked toml for git repo https://github.com/garetht/rust-exercise-gen written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/garetht/rust-exercise-gen 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/garetht/rust-exercise-gen 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4c1484d59bc82548c9261d69ecafcdb7e96c6279e6ab73a48d65980c0e738d19
[INFO] running `Command { std: "docker" "start" "-a" "4c1484d59bc82548c9261d69ecafcdb7e96c6279e6ab73a48d65980c0e738d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c1484d59bc82548c9261d69ecafcdb7e96c6279e6ab73a48d65980c0e738d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1484d59bc82548c9261d69ecafcdb7e96c6279e6ab73a48d65980c0e738d19", kill_on_drop: false }`
[INFO] [stdout] 4c1484d59bc82548c9261d69ecafcdb7e96c6279e6ab73a48d65980c0e738d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 66335e46eb0857e15c674f1991dea41dec7797609f02d571fd161524aa3ed6b7
[INFO] running `Command { std: "docker" "start" "-a" "66335e46eb0857e15c674f1991dea41dec7797609f02d571fd161524aa3ed6b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling protobuf v3.7.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-aarch_64 v3.1.0
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-x86_64 v3.1.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-ppcle_64 v3.1.0
[INFO] [stderr]    Compiling protoc-bin-vendored-macos-aarch_64 v3.1.0
[INFO] [stderr]    Compiling protoc-bin-vendored-linux-x86_32 v3.1.0
[INFO] [stderr]    Compiling protoc-bin-vendored-win32 v3.1.0
[INFO] [stderr]    Compiling protoc-bin-vendored-macos-x86_64 v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling protoc-bin-vendored v3.1.0
[INFO] [stderr]    Compiling deunicode v1.6.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling protobuf-support v3.7.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling dummy v0.9.1
[INFO] [stderr]    Compiling fake v3.1.0
[INFO] [stderr]    Compiling protobuf-parse v3.7.1
[INFO] [stderr]    Compiling protobuf-codegen v3.7.1
[INFO] [stderr]    Compiling rust-exercise-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Result`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/exercise_assembly.rs:45:36
[INFO] [stdout]    |
[INFO] [stdout] 45 |     programs_by_error.retain(|key, value| {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Write` is never constructed
[INFO] [stdout]   --> src/program_state.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum ExecutionSkeleton {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Write, // i.e. a push to an array, or assigning something?
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionSkeleton` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Position` is never used
[INFO] [stdout]   --> src/variable.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum Position {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outline` and `seed` are never read
[INFO] [stdout]   --> src/exercise_assembly.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct OutputProgram {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     outline: Vec<OutlineStatement>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OutputProgram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     generate_and_write_programs_to_file();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = generate_and_write_programs_to_file();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.26s
[INFO] running `Command { std: "docker" "inspect" "66335e46eb0857e15c674f1991dea41dec7797609f02d571fd161524aa3ed6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66335e46eb0857e15c674f1991dea41dec7797609f02d571fd161524aa3ed6b7", kill_on_drop: false }`
[INFO] [stdout] 66335e46eb0857e15c674f1991dea41dec7797609f02d571fd161524aa3ed6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5b39b0b225239360e1ddd0819b75f6ab8a0041e54b95f9dce0b9ad30bbe26f0a
[INFO] running `Command { std: "docker" "start" "-a" "5b39b0b225239360e1ddd0819b75f6ab8a0041e54b95f9dce0b9ad30bbe26f0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-exercise-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Result`
[INFO] [stdout]  --> build.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/exercise_assembly.rs:45:36
[INFO] [stdout]    |
[INFO] [stdout] 45 |     programs_by_error.retain(|key, value| {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Write` is never constructed
[INFO] [stdout]   --> src/program_state.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum ExecutionSkeleton {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Write, // i.e. a push to an array, or assigning something?
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExecutionSkeleton` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Position` is never used
[INFO] [stdout]   --> src/variable.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub enum Position {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `outline` and `seed` are never read
[INFO] [stdout]   --> src/exercise_assembly.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct OutputProgram {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     outline: Vec<OutlineStatement>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     seed: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OutputProgram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     generate_and_write_programs_to_file();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = generate_and_write_programs_to_file();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "5b39b0b225239360e1ddd0819b75f6ab8a0041e54b95f9dce0b9ad30bbe26f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b39b0b225239360e1ddd0819b75f6ab8a0041e54b95f9dce0b9ad30bbe26f0a", kill_on_drop: false }`
[INFO] [stdout] 5b39b0b225239360e1ddd0819b75f6ab8a0041e54b95f9dce0b9ad30bbe26f0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 47648200bb16bb518d038195d82ffb1c29ea40daaaab7f6ab5fc3c5049e0971b
[INFO] running `Command { std: "docker" "start" "-a" "47648200bb16bb518d038195d82ffb1c29ea40daaaab7f6ab5fc3c5049e0971b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Result`
[INFO] [stderr]  --> build.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Result;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-exercise-gen` (build script) generated 1 warning
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/exercise_assembly.rs:45:36
[INFO] [stderr]    |
[INFO] [stderr] 45 |     programs_by_error.retain(|key, value| {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Write` is never constructed
[INFO] [stderr]   --> src/program_state.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum ExecutionSkeleton {
[INFO] [stderr]    |          ----------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 31 |     Write, // i.e. a push to an array, or assigning something?
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ExecutionSkeleton` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Position` is never used
[INFO] [stderr]   --> src/variable.rs:61:10
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub enum Position {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `outline` and `seed` are never read
[INFO] [stderr]   --> src/exercise_assembly.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct OutputProgram {
[INFO] [stderr]    |        ------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 25 |     outline: Vec<OutlineStatement>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     seed: u64,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `OutputProgram` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     generate_and_write_programs_to_file();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let _ = generate_and_write_programs_to_file();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-exercise-gen` (bin "rust-exercise-gen" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_exercise_gen-356df6275dfc6e40)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test char_utils::test_backtick_extraction ... ok
[INFO] [stdout] test char_utils::test_unmatched_backtick ... ok
[INFO] [stdout] test char_utils::tests::test_extract_error_blocks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47648200bb16bb518d038195d82ffb1c29ea40daaaab7f6ab5fc3c5049e0971b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47648200bb16bb518d038195d82ffb1c29ea40daaaab7f6ab5fc3c5049e0971b", kill_on_drop: false }`
[INFO] [stdout] 47648200bb16bb518d038195d82ffb1c29ea40daaaab7f6ab5fc3c5049e0971b