[INFO] cloning repository https://github.com/ethan-coe-renner/befunge-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethan-coe-renner/befunge-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethan-coe-renner%2Fbefunge-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethan-coe-renner%2Fbefunge-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce35a0a7f92f2cc1707bf4a861db14fc92e0e29a
[INFO] testing ethan-coe-renner/befunge-interpreter against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethan-coe-renner%2Fbefunge-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] started tweaking git repo https://github.com/ethan-coe-renner/befunge-interpreter
[INFO] finished tweaking git repo https://github.com/ethan-coe-renner/befunge-interpreter
[INFO] tweaked toml for git repo https://github.com/ethan-coe-renner/befunge-interpreter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethan-coe-renner/befunge-interpreter on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethan-coe-renner/befunge-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7aaf8d2899f5348632ec109ab4178fa036ed20df1c83483f6341c8ee07d53510
[INFO] running `Command { std: "docker" "start" "-a" "7aaf8d2899f5348632ec109ab4178fa036ed20df1c83483f6341c8ee07d53510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aaf8d2899f5348632ec109ab4178fa036ed20df1c83483f6341c8ee07d53510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaf8d2899f5348632ec109ab4178fa036ed20df1c83483f6341c8ee07d53510", kill_on_drop: false }`
[INFO] [stdout] 7aaf8d2899f5348632ec109ab4178fa036ed20df1c83483f6341c8ee07d53510
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 505002c7b8f266817ed7e72543b0a5239b565a2670c42271d3f4b486f55694b2
[INFO] running `Command { std: "docker" "start" "-a" "505002c7b8f266817ed7e72543b0a5239b565a2670c42271d3f4b486f55694b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling befunge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PROGHEIGHT` is never used
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const PROGHEIGHT: usize = 25;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGWIDTH` is never used
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PROGWIDTH: usize = 80;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InterpreterError` is never used
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum InterpreterError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpreterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Program` is never used
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Program = [[u8; PROGWIDTH]; PROGHEIGHT];
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pointable` is never used
[INFO] [stdout]   --> src/main.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Pointable<T> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stack_arithmetic`, `move_pointer`, and `update_state` are never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 64 |     fn stack_arithmetic(&mut self, op: fn(u8, u8) -> u8) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn move_pointer(&mut self) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn update_state(&mut self) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pointer` is never constructed
[INFO] [stdout]    --> src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | struct Pointer {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | impl Pointer {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 214 |     fn travel(&mut self, direction: &Direction) -> Result<(), InterpreterError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |     Num(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 279 -     Num(u8),
[INFO] [stdout] 279 +     Num(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:280:10
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Char(char),
[INFO] [stdout]     |     ---- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 280 -     Char(char),
[INFO] [stdout] 280 +     Char(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     self.move_pointer();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let _ = self.move_pointer();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "505002c7b8f266817ed7e72543b0a5239b565a2670c42271d3f4b486f55694b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505002c7b8f266817ed7e72543b0a5239b565a2670c42271d3f4b486f55694b2", kill_on_drop: false }`
[INFO] [stdout] 505002c7b8f266817ed7e72543b0a5239b565a2670c42271d3f4b486f55694b2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 57db7f8773740a6db5d77919002a62cca8dd93d8d6c5fe8eabe4668bbe4d12ce
[INFO] running `Command { std: "docker" "start" "-a" "57db7f8773740a6db5d77919002a62cca8dd93d8d6c5fe8eabe4668bbe4d12ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling befunge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PROGHEIGHT` is never used
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const PROGHEIGHT: usize = 25;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PROGWIDTH` is never used
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const PROGWIDTH: usize = 80;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `InterpreterError` is never used
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum InterpreterError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpreterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Program` is never used
[INFO] [stdout]   --> src/main.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | type Program = [[u8; PROGWIDTH]; PROGHEIGHT];
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pointable` is never used
[INFO] [stdout]   --> src/main.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 41 | trait Pointable<T> {
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct State {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `stack_arithmetic`, `move_pointer`, and `update_state` are never used
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl State {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 64 |     fn stack_arithmetic(&mut self, op: fn(u8, u8) -> u8) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     fn move_pointer(&mut self) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn update_state(&mut self) -> Result<(), InterpreterError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pointer` is never constructed
[INFO] [stdout]    --> src/main.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | struct Pointer {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `travel` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | impl Pointer {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 214 |     fn travel(&mut self, direction: &Direction) -> Result<(), InterpreterError> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |     Num(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 279 -     Num(u8),
[INFO] [stdout] 279 +     Num(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:280:10
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Char(char),
[INFO] [stdout]     |     ---- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 280 -     Char(char),
[INFO] [stdout] 280 +     Char(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     self.move_pointer();
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     let _ = self.move_pointer();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "57db7f8773740a6db5d77919002a62cca8dd93d8d6c5fe8eabe4668bbe4d12ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57db7f8773740a6db5d77919002a62cca8dd93d8d6c5fe8eabe4668bbe4d12ce", kill_on_drop: false }`
[INFO] [stdout] 57db7f8773740a6db5d77919002a62cca8dd93d8d6c5fe8eabe4668bbe4d12ce
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 16ea41df3bc6ed27c091df1ea11daf6b22e4fc9d6d07c175cdba35c87fef3162
[INFO] running `Command { std: "docker" "start" "-a" "16ea41df3bc6ed27c091df1ea11daf6b22e4fc9d6d07c175cdba35c87fef3162", kill_on_drop: false }`
[INFO] [stderr] warning: constant `PROGHEIGHT` is never used
[INFO] [stderr]  --> src/main.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const PROGHEIGHT: usize = 25;
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PROGWIDTH` is never used
[INFO] [stderr]  --> src/main.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const PROGWIDTH: usize = 80;
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `InterpreterError` is never used
[INFO] [stderr]   --> src/main.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum InterpreterError {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InterpreterError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Program` is never used
[INFO] [stderr]   --> src/main.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | type Program = [[u8; PROGWIDTH]; PROGHEIGHT];
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Pointable` is never used
[INFO] [stderr]   --> src/main.rs:41:7
[INFO] [stderr]    |
[INFO] [stderr] 41 | trait Pointable<T> {
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `State` is never constructed
[INFO] [stderr]   --> src/main.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct State {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `stack_arithmetic`, `move_pointer`, and `update_state` are never used
[INFO] [stderr]   --> src/main.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | impl State {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] 64 |     fn stack_arithmetic(&mut self, op: fn(u8, u8) -> u8) -> Result<(), InterpreterError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 70 |     fn move_pointer(&mut self) -> Result<(), InterpreterError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     fn update_state(&mut self) -> Result<(), InterpreterError> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pointer` is never constructed
[INFO] [stderr]    --> src/main.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 | struct Pointer {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `travel` is never used
[INFO] [stderr]    --> src/main.rs:214:8
[INFO] [stderr]     |
[INFO] [stderr] 213 | impl Pointer {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] 214 |     fn travel(&mut self, direction: &Direction) -> Result<(), InterpreterError> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/main.rs:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |     Num(u8),
[INFO] [stderr]     |     --- ^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 279 -     Num(u8),
[INFO] [stderr] 279 +     Num(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/main.rs:280:10
[INFO] [stderr]     |
[INFO] [stderr] 280 |     Char(char),
[INFO] [stderr]     |     ---- ^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 280 -     Char(char),
[INFO] [stderr] 280 +     Char(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     self.move_pointer();
[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)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     let _ = self.move_pointer();
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `befunge` (bin "befunge" test) generated 12 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/befunge-1e6849c591f1f02f)
[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" "16ea41df3bc6ed27c091df1ea11daf6b22e4fc9d6d07c175cdba35c87fef3162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ea41df3bc6ed27c091df1ea11daf6b22e4fc9d6d07c175cdba35c87fef3162", kill_on_drop: false }`
[INFO] [stdout] 16ea41df3bc6ed27c091df1ea11daf6b22e4fc9d6d07c175cdba35c87fef3162