[INFO] cloning repository https://github.com/ijks/piet-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ijks/piet-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijks%2Fpiet-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijks%2Fpiet-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb75b4f4104d246adf0bac2396f275f4422d1eeb
[INFO] checking ijks/piet-rs against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijks%2Fpiet-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijks/piet-rs on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ijks/piet-rs
[INFO] finished tweaking git repo https://github.com/ijks/piet-rs
[INFO] tweaked toml for git repo https://github.com/ijks/piet-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ijks/piet-rs 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-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum DirectionPointer {
[INFO] [stdout]    |      ---------------- variants in this enum
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     Right,
[INFO] [stdout] 13 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectionPointer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_clockwise` and `rotate_counterclockwise` are never used
[INFO] [stdout]   --> src/interpreter.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DirectionPointer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum CodelChooser {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 43 |     Left,
[INFO] [stdout] 44 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodelChooser` 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: method `switch` is never used
[INFO] [stdout]   --> src/interpreter.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CodelChooser {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 48 |     pub fn switch(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `program`, `dp`, `cc`, `stack`, `position`, and `last_block` are never read
[INFO] [stdout]   --> src/interpreter.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 58 |     program: Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 59 |     dp: DirectionPointer,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 60 |     cc: CodelChooser,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 61 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     position: Coords,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     last_block: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_block`, `next_coords`, `execute_command`, `pointer`, and `switch` are never used
[INFO] [stdout]    --> src/interpreter.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Interpreter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn next_coords(&self) -> Coords {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn pointer(&mut self, steps: i64) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn switch(&mut self, times: i64) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_to_coords` is never used
[INFO] [stdout]   --> src/program.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum DirectionPointer {
[INFO] [stdout]    |      ---------------- variants in this enum
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     Right,
[INFO] [stdout] 13 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectionPointer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_clockwise` and `rotate_counterclockwise` are never used
[INFO] [stdout]   --> src/interpreter.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DirectionPointer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum CodelChooser {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 43 |     Left,
[INFO] [stdout] 44 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodelChooser` 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: method `switch` is never used
[INFO] [stdout]   --> src/interpreter.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CodelChooser {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 48 |     pub fn switch(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `program`, `dp`, `cc`, `stack`, `position`, and `last_block` are never read
[INFO] [stdout]   --> src/interpreter.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 58 |     program: Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 59 |     dp: DirectionPointer,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 60 |     cc: CodelChooser,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 61 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     position: Coords,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     last_block: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_block`, `next_coords`, `execute_command`, `pointer`, and `switch` are never used
[INFO] [stdout]    --> src/interpreter.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Interpreter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn next_coords(&self) -> Coords {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn pointer(&mut self, steps: i64) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn switch(&mut self, times: i64) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `codel_size` is never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     codel_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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: field `codel_size` is never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     codel_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     interpreter.run();
[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] 34 |     let _ = interpreter.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     interpreter.run();
[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] 34 |     let _ = interpreter.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "2711d358a267d92c1278ccec4a4c533ecbe46d47edc94c7a3a2fa530297f40b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2711d358a267d92c1278ccec4a4c533ecbe46d47edc94c7a3a2fa530297f40b6", kill_on_drop: false }`
[INFO] [stdout] 2711d358a267d92c1278ccec4a4c533ecbe46d47edc94c7a3a2fa530297f40b6
[INFO] checking ijks/piet-rs against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijks%2Fpiet-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ijks/piet-rs on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ijks/piet-rs
[INFO] finished tweaking git repo https://github.com/ijks/piet-rs
[INFO] tweaked toml for git repo https://github.com/ijks/piet-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ijks/piet-rs 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-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e13716fb2cec8c6a09d1d506321a71d6b8d62e6acee60a344da05e05f2df3e6f
[INFO] running `Command { std: "docker" "start" "-a" "e13716fb2cec8c6a09d1d506321a71d6b8d62e6acee60a344da05e05f2df3e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e13716fb2cec8c6a09d1d506321a71d6b8d62e6acee60a344da05e05f2df3e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13716fb2cec8c6a09d1d506321a71d6b8d62e6acee60a344da05e05f2df3e6f", kill_on_drop: false }`
[INFO] [stdout] e13716fb2cec8c6a09d1d506321a71d6b8d62e6acee60a344da05e05f2df3e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 9a77bf23a2ebe5d251347c1af5139d06802a79598f098661ae0ba288a63baacf
[INFO] running `Command { std: "docker" "start" "-a" "9a77bf23a2ebe5d251347c1af5139d06802a79598f098661ae0ba288a63baacf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling cc v1.0.2
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking backtrace v0.3.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking piet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `rustfmt`
[INFO] [stdout]    --> src/program.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustfmt)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum DirectionPointer {
[INFO] [stdout]    |      ---------------- variants in this enum
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     Right,
[INFO] [stdout] 13 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectionPointer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_clockwise` and `rotate_counterclockwise` are never used
[INFO] [stdout]   --> src/interpreter.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DirectionPointer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum CodelChooser {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 43 |     Left,
[INFO] [stdout] 44 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodelChooser` 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: method `switch` is never used
[INFO] [stdout]   --> src/interpreter.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CodelChooser {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 48 |     pub fn switch(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `program`, `dp`, `cc`, `stack`, `position`, and `last_block` are never read
[INFO] [stdout]   --> src/interpreter.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 58 |     program: Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 59 |     dp: DirectionPointer,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 60 |     cc: CodelChooser,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 61 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     position: Coords,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     last_block: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_block`, `next_coords`, `execute_command`, `pointer`, and `switch` are never used
[INFO] [stdout]    --> src/interpreter.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Interpreter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn next_coords(&self) -> Coords {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn pointer(&mut self, steps: i64) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn switch(&mut self, times: i64) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `index_to_coords` is never used
[INFO] [stdout]   --> src/program.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Program {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum DirectionPointer {
[INFO] [stdout]    |      ---------------- variants in this enum
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     Right,
[INFO] [stdout] 13 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 14 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DirectionPointer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_clockwise` and `rotate_counterclockwise` are never used
[INFO] [stdout]   --> src/interpreter.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl DirectionPointer {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 18 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Right` is never constructed
[INFO] [stdout]   --> src/interpreter.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | enum CodelChooser {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 43 |     Left,
[INFO] [stdout] 44 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CodelChooser` 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: method `switch` is never used
[INFO] [stdout]   --> src/interpreter.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl CodelChooser {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 48 |     pub fn switch(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `program`, `dp`, `cc`, `stack`, `position`, and `last_block` are never read
[INFO] [stdout]   --> src/interpreter.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 58 |     program: Program,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 59 |     dp: DirectionPointer,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 60 |     cc: CodelChooser,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 61 |     stack: Stack,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 62 |     position: Coords,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 63 |     last_block: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `current_block`, `next_coords`, `execute_command`, `pointer`, and `switch` are never used
[INFO] [stdout]    --> src/interpreter.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout] 66  | impl Interpreter {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 90  |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     fn next_coords(&self) -> Coords {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn pointer(&mut self, steps: i64) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn switch(&mut self, times: i64) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piet` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `codel_size` is never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     codel_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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: field `codel_size` is never read
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Opt {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 19 |     codel_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opt` 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 `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     interpreter.run();
[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] 34 |     let _ = interpreter.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     interpreter.run();
[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] 34 |     let _ = interpreter.run();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a77bf23a2ebe5d251347c1af5139d06802a79598f098661ae0ba288a63baacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a77bf23a2ebe5d251347c1af5139d06802a79598f098661ae0ba288a63baacf", kill_on_drop: false }`
[INFO] [stdout] 9a77bf23a2ebe5d251347c1af5139d06802a79598f098661ae0ba288a63baacf
