[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] testing ijks/piet-rs against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fijks%2Fpiet-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ijks/piet-rs on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 167ebbb5ab71d449a7bb6a11319f2d5a175049996cc2b0aa25c2b0f69336f8f1
[INFO] running `Command { std: "docker" "start" "-a" "167ebbb5ab71d449a7bb6a11319f2d5a175049996cc2b0aa25c2b0f69336f8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "167ebbb5ab71d449a7bb6a11319f2d5a175049996cc2b0aa25c2b0f69336f8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167ebbb5ab71d449a7bb6a11319f2d5a175049996cc2b0aa25c2b0f69336f8f1", kill_on_drop: false }`
[INFO] [stdout] 167ebbb5ab71d449a7bb6a11319f2d5a175049996cc2b0aa25c2b0f69336f8f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550de21c417971bcbd6b19eb8db0b38582475748011b5423c0a9b4f50758200b
[INFO] running `Command { std: "docker" "start" "-a" "550de21c417971bcbd6b19eb8db0b38582475748011b5423c0a9b4f50758200b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cc v1.0.2
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[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 num_cpus v1.13.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling weezl v0.1.3
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.5
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling png v0.16.7
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling tiff v0.6.0
[INFO] [stderr]    Compiling image v0.23.12
[INFO] [stderr]    Compiling structopt v0.3.20
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.92s
[INFO] running `Command { std: "docker" "inspect" "550de21c417971bcbd6b19eb8db0b38582475748011b5423c0a9b4f50758200b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550de21c417971bcbd6b19eb8db0b38582475748011b5423c0a9b4f50758200b", kill_on_drop: false }`
[INFO] [stdout] 550de21c417971bcbd6b19eb8db0b38582475748011b5423c0a9b4f50758200b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0d2525854a967ad8c71dbbc280a66448c0087d89e19c03c2b80f2a22ac0ce8
[INFO] running `Command { std: "docker" "start" "-a" "5e0d2525854a967ad8c71dbbc280a66448c0087d89e19c03c2b80f2a22ac0ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling piet v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5e0d2525854a967ad8c71dbbc280a66448c0087d89e19c03c2b80f2a22ac0ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0d2525854a967ad8c71dbbc280a66448c0087d89e19c03c2b80f2a22ac0ce8", kill_on_drop: false }`
[INFO] [stdout] 5e0d2525854a967ad8c71dbbc280a66448c0087d89e19c03c2b80f2a22ac0ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7bfcf173aae95502284f576b8624cf646c0b85a04d474ce415b0d66dc2e2843
[INFO] running `Command { std: "docker" "start" "-a" "b7bfcf173aae95502284f576b8624cf646c0b85a04d474ce415b0d66dc2e2843", kill_on_drop: false }`
[INFO] [stderr] warning: variants `Up`, `Down`, and `Left` are never constructed
[INFO] [stdout] 
[INFO] [stderr]   --> src/interpreter.rs:11:5
[INFO] [stdout] running 15 tests
[INFO] [stderr]    |
[INFO] [stdout] test color::tests::test_color_from_rgb ... ok
[INFO] [stderr] 10 | enum DirectionPointer {
[INFO] [stdout] test color::tests::test_hue_shift ... ok
[INFO] [stderr]    |      ---------------- variants in this enum
[INFO] [stdout] test color::tests::test_lightness_shift ... ok
[INFO] [stderr] 11 |     Up,
[INFO] [stdout] test command::tests::test_from_transition ... ok
[INFO] [stderr]    |     ^^
[INFO] [stdout] test program::tests::test_program_check_coords ... ok
[INFO] [stderr] 12 |     Right,
[INFO] [stdout] test program::tests::test_program_color_block ... ok
[INFO] [stderr] 13 |     Down,
[INFO] [stdout] test program::tests::test_program_coords_to_index ... ok
[INFO] [stderr]    |     ^^^^
[INFO] [stdout] test stack::tests::test_stack_pop2 ... ok
[INFO] [stderr] 14 |     Left,
[INFO] [stdout] test stack::tests::test_stack_map_top ... ok
[INFO] [stderr]    |     ^^^^
[INFO] [stdout] test stack::tests::test_stack_peek ... ok
[INFO] [stderr]    |
[INFO] [stdout] test program::tests::test_program_index_to_coords ... ok
[INFO] [stderr]    = note: `DirectionPointer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] test stack::tests::test_stack_roll ... ok
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test stack::tests::test_stack_new ... ok
[INFO] [stderr] 
[INFO] [stdout] test stack::tests::test_stack_fold_top ... ok
[INFO] [stderr] warning: methods `rotate_clockwise` and `rotate_counterclockwise` are never used
[INFO] [stdout] test color::tests::test_color_transition ... ok
[INFO] [stderr]   --> src/interpreter.rs:18:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 17 | impl DirectionPointer {
[INFO] [stdout] 
[INFO] [stderr]    | --------------------- methods in this implementation
[INFO] [stdout] 
[INFO] [stderr] 18 |     pub fn rotate_clockwise(&mut self) {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 29 |     pub fn rotate_counterclockwise(&mut self) {
[INFO] [stdout] 
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Right` is never constructed
[INFO] [stderr]   --> src/interpreter.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | enum CodelChooser {
[INFO] [stderr]    |      ------------ variant in this enum
[INFO] [stderr] 43 |     Left,
[INFO] [stderr] 44 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CodelChooser` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `switch` is never used
[INFO] [stderr]   --> src/interpreter.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl CodelChooser {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] 48 |     pub fn switch(&mut self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `program`, `dp`, `cc`, `stack`, `position`, and `last_block` are never read
[INFO] [stderr]   --> src/interpreter.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub struct Interpreter {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 58 |     program: Program,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 59 |     dp: DirectionPointer,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 60 |     cc: CodelChooser,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 61 |     stack: Stack,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 62 |     position: Coords,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 63 |     last_block: u64,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Interpreter` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `current_block`, `next_coords`, `execute_command`, `pointer`, and `switch` are never used
[INFO] [stderr]    --> src/interpreter.rs:90:8
[INFO] [stderr]     |
[INFO] [stderr]  66 | impl Interpreter {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  90 |     fn current_block(&self) -> HashSet<Coords> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  94 |     fn next_coords(&self) -> Coords {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn execute_command(&mut self, command: &Command) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 247 |     fn pointer(&mut self, steps: i64) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 259 |     fn switch(&mut self, times: i64) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `index_to_coords` is never used
[INFO] [stderr]   --> src/program.rs:85:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Program {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 85 |     fn index_to_coords(&self, index: usize) -> Option<Coords> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `piet` (lib) generated 7 warnings
[INFO] [stderr] warning: field `codel_size` is never read
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Opt {
[INFO] [stderr]    |        --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 19 |     codel_size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Opt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     interpreter.run();
[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] 34 |     let _ = interpreter.run();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `piet` (bin "piet" test) generated 2 warnings
[INFO] [stderr] warning: `piet` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/piet-2a393191474d23b5)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/piet-27f7f67b5db42b9a)
[INFO] [stderr]    Doc-tests piet
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/color.rs - color::Color::transition (line 118) ... ok
[INFO] [stdout] test src/stack.rs - stack::Stack::roll (line 66) ... ok
[INFO] [stdout] test src/color.rs - color::Lightness::shift (line 41) ... ok
[INFO] [stdout] test src/stack.rs - stack::Stack::fold_top (line 34) ... ok
[INFO] [stdout] test src/color.rs - color::Color::from_rgb (line 65) ... ok
[INFO] [stdout] test src/color.rs - color::Hue::shift (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7bfcf173aae95502284f576b8624cf646c0b85a04d474ce415b0d66dc2e2843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bfcf173aae95502284f576b8624cf646c0b85a04d474ce415b0d66dc2e2843", kill_on_drop: false }`
[INFO] [stdout] b7bfcf173aae95502284f576b8624cf646c0b85a04d474ce415b0d66dc2e2843
