[INFO] cloning repository https://github.com/chioni16/simple-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chioni16/simple-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchioni16%2Fsimple-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchioni16%2Fsimple-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 548102cf3634ca595805562b4ddfebe4344428b5
[INFO] checking chioni16/simple-interpreter against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchioni16%2Fsimple-interpreter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chioni16/simple-interpreter on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chioni16/simple-interpreter
[INFO] finished tweaking git repo https://github.com/chioni16/simple-interpreter
[INFO] tweaked toml for git repo https://github.com/chioni16/simple-interpreter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chioni16/simple-interpreter 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c4f8e21c365c35e623af9d8dd6c5b41d62cb64430ab8a1975084da455a23de1
[INFO] running `Command { std: "docker" "start" "-a" "7c4f8e21c365c35e623af9d8dd6c5b41d62cb64430ab8a1975084da455a23de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4f8e21c365c35e623af9d8dd6c5b41d62cb64430ab8a1975084da455a23de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4f8e21c365c35e623af9d8dd6c5b41d62cb64430ab8a1975084da455a23de1", kill_on_drop: false }`
[INFO] [stdout] 7c4f8e21c365c35e623af9d8dd6c5b41d62cb64430ab8a1975084da455a23de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92f29646058432c42f3088370c107294da06b62b5aea47110ced78260e388d54
[INFO] running `Command { std: "docker" "start" "-a" "92f29646058432c42f3088370c107294da06b62b5aea47110ced78260e388d54", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/emitter/mod.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _ => todo!(),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/emitter/mod.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 |             ExpressionNode::FunctionCall(_, func, args) => {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/emitter/mod.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _ => todo!(),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/emitter/mod.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 |             ExpressionNode::FunctionCall(_, func, args) => {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `instructions` and `constants` are never read
[INFO] [stdout]   --> src/bytecode/mod.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Bytecode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 97 |     pub(crate) instructions: Vec<u8>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 98 |     pub(crate) constants: Vec<Object>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` 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: fields `name` and `scope` are never read
[INFO] [stdout]   --> src/emitter/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Symbol {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     scope: Scope,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: fields `instructions` and `constants` are never read
[INFO] [stdout]   --> src/bytecode/mod.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Bytecode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 97 |     pub(crate) instructions: Vec<u8>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 98 |     pub(crate) constants: Vec<Object>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` 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: fields `name` and `scope` are never read
[INFO] [stdout]   --> src/emitter/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Symbol {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     scope: Scope,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interpreter::evaluation::eval_program`
[INFO] [stdout]  --> src/bin/hello.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use interpreter::evaluation::eval_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interpreter::evaluation::eval_program`
[INFO] [stdout]  --> src/bin/hello.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use interpreter::evaluation::eval_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "92f29646058432c42f3088370c107294da06b62b5aea47110ced78260e388d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f29646058432c42f3088370c107294da06b62b5aea47110ced78260e388d54", kill_on_drop: false }`
[INFO] [stdout] 92f29646058432c42f3088370c107294da06b62b5aea47110ced78260e388d54
[INFO] checking chioni16/simple-interpreter against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchioni16%2Fsimple-interpreter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chioni16/simple-interpreter on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chioni16/simple-interpreter
[INFO] finished tweaking git repo https://github.com/chioni16/simple-interpreter
[INFO] tweaked toml for git repo https://github.com/chioni16/simple-interpreter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chioni16/simple-interpreter 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 586e55ff5415635dd444f0acf92a9b4ea1d8c37ef9075b1c068463fc41f94bb4
[INFO] running `Command { std: "docker" "start" "-a" "586e55ff5415635dd444f0acf92a9b4ea1d8c37ef9075b1c068463fc41f94bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586e55ff5415635dd444f0acf92a9b4ea1d8c37ef9075b1c068463fc41f94bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586e55ff5415635dd444f0acf92a9b4ea1d8c37ef9075b1c068463fc41f94bb4", kill_on_drop: false }`
[INFO] [stdout] 586e55ff5415635dd444f0acf92a9b4ea1d8c37ef9075b1c068463fc41f94bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7099858de0e06ea60be036eeed11468d089317c664744c4589efb48ffe66c437
[INFO] running `Command { std: "docker" "start" "-a" "7099858de0e06ea60be036eeed11468d089317c664744c4589efb48ffe66c437", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/emitter/mod.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _ => todo!(),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/emitter/mod.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 |             ExpressionNode::FunctionCall(_, func, args) => {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `instructions` and `constants` are never read
[INFO] [stdout]   --> src/bytecode/mod.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Bytecode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 97 |     pub(crate) instructions: Vec<u8>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 98 |     pub(crate) constants: Vec<Object>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` 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: fields `name` and `scope` are never read
[INFO] [stdout]   --> src/emitter/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Symbol {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     scope: Scope,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: unreachable pattern
[INFO] [stdout]    --> src/emitter/mod.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |             _ => todo!(),
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/emitter/mod.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 |             ExpressionNode::FunctionCall(_, func, args) => {
[INFO] [stdout]     |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `instructions` and `constants` are never read
[INFO] [stdout]   --> src/bytecode/mod.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Bytecode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 97 |     pub(crate) instructions: Vec<u8>,
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 98 |     pub(crate) constants: Vec<Object>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Bytecode` 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: fields `name` and `scope` are never read
[INFO] [stdout]   --> src/emitter/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Symbol {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     scope: Scope,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Symbol` 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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interpreter::evaluation::eval_program`
[INFO] [stdout]  --> src/bin/hello.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use interpreter::evaluation::eval_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `interpreter::evaluation::eval_program`
[INFO] [stdout]  --> src/bin/hello.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use interpreter::evaluation::eval_program;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "7099858de0e06ea60be036eeed11468d089317c664744c4589efb48ffe66c437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7099858de0e06ea60be036eeed11468d089317c664744c4589efb48ffe66c437", kill_on_drop: false }`
[INFO] [stdout] 7099858de0e06ea60be036eeed11468d089317c664744c4589efb48ffe66c437