[INFO] cloning repository https://github.com/problame/rc64
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/problame/rc64" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Frc64", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Frc64'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6795c3472756d8932c8736f7a3e67528fd843d2b
[INFO] checking problame/rc64 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproblame%2Frc64" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/problame/rc64
[INFO] finished tweaking git repo https://github.com/problame/rc64
[INFO] tweaked toml for git repo https://github.com/problame/rc64 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/problame/rc64 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/problame/rc64 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6f93f9be7497cd9d0a858701fbc691cef2c65824ac2d38d9f9edcc6cfe40207
[INFO] running `Command { std: "docker" "start" "-a" "d6f93f9be7497cd9d0a858701fbc691cef2c65824ac2d38d9f9edcc6cfe40207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6f93f9be7497cd9d0a858701fbc691cef2c65824ac2d38d9f9edcc6cfe40207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f93f9be7497cd9d0a858701fbc691cef2c65824ac2d38d9f9edcc6cfe40207", kill_on_drop: false }`
[INFO] [stdout] d6f93f9be7497cd9d0a858701fbc691cef2c65824ac2d38d9f9edcc6cfe40207
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcf20aa43979ebcf90dc702d4cc2c407c7b301b22c02de61285a519de846401d
[INFO] running `Command { std: "docker" "start" "-a" "fcf20aa43979ebcf90dc702d4cc2c407c7b301b22c02de61285a519de846401d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
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[INFO] [stderr]    Compiling cc v1.0.47
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[INFO] [stderr]    Compiling xml-rs v0.8.3
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[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling rustc-demangle v0.1.16
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[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling nix v0.14.1
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[INFO] [stderr]    Compiling toml v0.5.5
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking wayland-commons v0.25.0
[INFO] [stderr]     Checking rustyline v5.0.4
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[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking rc64-macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
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[INFO] [stderr]    Compiling strum_macros v0.16.0
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[INFO] [stderr]    Compiling include_dir_impl v0.5.0
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Checking include_dir v0.5.0
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking rc64 v0.1.0 (/opt/rustwide/workdir/rc64)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> rc64/src/mos6510/instr.rs:210:6
[INFO] [stdout]     |
[INFO] [stdout] 210 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> rc64/src/mos6510/instr.rs:210:6
[INFO] [stdout]     |
[INFO] [stdout] 210 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> rc64/src/mos6510.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |         if !WARNING_PRINTED.compare_and_swap(false, true, std::sync::atomic::Ordering::SeqCst) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> rc64/src/mos6510.rs:185:29
[INFO] [stdout]     |
[INFO] [stdout] 185 |         if !WARNING_PRINTED.compare_and_swap(false, true, std::sync::atomic::Ordering::SeqCst) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `serial_bus`, `rs232`, and `userport` are never read
[INFO] [stdout]    --> rc64/src/cia/backends.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     CIA2 {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 294 |         vic: R2C<VIC20<T>>,
[INFO] [stdout] 295 |         serial_bus: SerialBusBackend,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 296 |         rs232: RS232Backend,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 297 |         userport: UserportBackend,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct DataDirectionA<T>(pub R2C<DataPortBackend<T>>);
[INFO] [stdout]    |                   --------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(super) struct DataDirectionB<T>(pub R2C<DataPortBackend<T>>);
[INFO] [stdout]    |                   --------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct RTClock(pub R2C<TimeOfDayBackend>, pub Precision);
[INFO] [stdout]    |                   ------- ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(super) struct SerialShift(pub R2C<SerialShiftBackend>);
[INFO] [stdout]    |                   ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Acc` is never constructed
[INFO] [stdout]   --> rc64/src/mos6510/instr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum Addr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 70 |     Imp, // Implicit
[INFO] [stdout] 71 |     Acc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Addr` 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: field `data_priority` is never read
[INFO] [stdout]    --> rc64/src/vic20/registers.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub struct Sprite {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 375 |     pub data_priority: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:89:55
[INFO] [stdout]     |
[INFO] [stdout]  89 |       fn try_from(s: &str) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout]  90 | |         if s.starts_with("builtin://") {
[INFO] [stdout]  91 | |             if s == "builtin://LIST" {
[INFO] [stdout]  92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:90:9
[INFO] [stdout]     |
[INFO] [stdout]  90 | /         if s.starts_with("builtin://") {
[INFO] [stdout]  91 | |             if s == "builtin://LIST" {
[INFO] [stdout]  92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout]  93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 |           if s.starts_with("builtin://") {
[INFO] [stdout]    |  ________________________________________^
[INFO] [stdout] 91 | |             if s == "builtin://LIST" {
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         } else if s == "FILEPICKER" {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 | /             if s == "builtin://LIST" {
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] 94 | |             } else {
[INFO] [stdout] 95 | |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout] 96 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:91:38
[INFO] [stdout]    |
[INFO] [stdout] 91 |               if s == "builtin://LIST" {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] 94 | |             } else {
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |               } else {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 95 | |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout] 96 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:97:16
[INFO] [stdout]     |
[INFO] [stdout]  97 |           } else if s == "FILEPICKER" {
[INFO] [stdout]     |  ________________^
[INFO] [stdout]  98 | |             Ok(AutostartFilePath::Picker)
[INFO] [stdout]  99 | |         } else {
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |           } else if s == "FILEPICKER" {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 98 | |             Ok(AutostartFilePath::Picker)
[INFO] [stdout] 99 | |         } else {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(AutostartFilePath::Picker)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:99:16
[INFO] [stdout]     |
[INFO] [stdout]  99 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         AutostartFilePath::try_from(s).map_err(|e| format!("{}", e))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     #[structopt(long, help = "use custom kernal image")]
[INFO] [stdout] 136 | |     kernal: Option<PathBuf>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rc64` (bin "rc64") due to 17 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `serial_bus`, `rs232`, and `userport` are never read
[INFO] [stdout]    --> rc64/src/cia/backends.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |     CIA2 {
[INFO] [stdout]     |     ---- fields in this variant
[INFO] [stdout] 294 |         vic: R2C<VIC20<T>>,
[INFO] [stdout] 295 |         serial_bus: SerialBusBackend,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 296 |         rs232: RS232Backend,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 297 |         userport: UserportBackend,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(super) struct DataDirectionA<T>(pub R2C<DataPortBackend<T>>);
[INFO] [stdout]    |                   --------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:15:37
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub(super) struct DataDirectionB<T>(pub R2C<DataPortBackend<T>>);
[INFO] [stdout]    |                   --------------    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:18:27
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(super) struct RTClock(pub R2C<TimeOfDayBackend>, pub Precision);
[INFO] [stdout]    |                   ------- ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> rc64/src/cia/registers.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(super) struct SerialShift(pub R2C<SerialShiftBackend>);
[INFO] [stdout]    |                   ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Acc` is never constructed
[INFO] [stdout]   --> rc64/src/mos6510/instr.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub enum Addr {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] 70 |     Imp, // Implicit
[INFO] [stdout] 71 |     Acc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Addr` 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: struct `MockArea` is never constructed
[INFO] [stdout]    --> rc64/src/mos6510/mem.rs:296:12
[INFO] [stdout]     |
[INFO] [stdout] 296 |     struct MockArea(u8, WriteResult);
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `descr` is never read
[INFO] [stdout]     --> rc64/src/mos6510.rs:1312:13
[INFO] [stdout]      |
[INFO] [stdout] 1311 |         struct Case {
[INFO] [stdout]      |                ---- field in this struct
[INFO] [stdout] 1312 |             descr: &'static str,
[INFO] [stdout]      |             ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Case` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data_priority` is never read
[INFO] [stdout]    --> rc64/src/vic20/registers.rs:375:9
[INFO] [stdout]     |
[INFO] [stdout] 364 | pub struct Sprite {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 375 |     pub data_priority: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:89:55
[INFO] [stdout]     |
[INFO] [stdout]  89 |       fn try_from(s: &str) -> Result<Self, Self::Error> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout]  90 | |         if s.starts_with("builtin://") {
[INFO] [stdout]  91 | |             if s == "builtin://LIST" {
[INFO] [stdout]  92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] ...   |
[INFO] [stdout] 102 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:90:9
[INFO] [stdout]     |
[INFO] [stdout]  90 | /         if s.starts_with("builtin://") {
[INFO] [stdout]  91 | |             if s == "builtin://LIST" {
[INFO] [stdout]  92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout]  93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 |           if s.starts_with("builtin://") {
[INFO] [stdout]    |  ________________________________________^
[INFO] [stdout] 91 | |             if s == "builtin://LIST" {
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] ...  |
[INFO] [stdout] 97 | |         } else if s == "FILEPICKER" {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 | /             if s == "builtin://LIST" {
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] 94 | |             } else {
[INFO] [stdout] 95 | |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout] 96 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:91:38
[INFO] [stdout]    |
[INFO] [stdout] 91 |               if s == "builtin://LIST" {
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 92 | |                 println!("built-in autostart paths:\n\n{}\n\n", bundled_prg_autostart_paths().join("\n"));
[INFO] [stdout] 93 | |                 panic!("panic after listing builtin autostart paths")
[INFO] [stdout] 94 | |             } else {
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |               } else {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 95 | |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout] 96 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 Ok(AutostartFilePath::Builtin(s.trim_start_matches("builtin://").to_owned()))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:97:16
[INFO] [stdout]     |
[INFO] [stdout]  97 |           } else if s == "FILEPICKER" {
[INFO] [stdout]     |  ________________^
[INFO] [stdout]  98 | |             Ok(AutostartFilePath::Picker)
[INFO] [stdout]  99 | |         } else {
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:97:37
[INFO] [stdout]    |
[INFO] [stdout] 97 |           } else if s == "FILEPICKER" {
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 98 | |             Ok(AutostartFilePath::Picker)
[INFO] [stdout] 99 | |         } else {
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]   --> rc64/src/main.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             Ok(AutostartFilePath::Picker)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:99:16
[INFO] [stdout]     |
[INFO] [stdout]  99 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 100 | |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout] 101 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, PathBuf>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Ok(AutostartFilePath::Local(PathBuf::try_from(s)?))
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<AutostartFilePath, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |         AutostartFilePath::try_from(s).map_err(|e| format!("{}", e))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> rc64/src/main.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 | /     #[structopt(long, help = "use custom kernal image")]
[INFO] [stdout] 136 | |     kernal: Option<PathBuf>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rc64` (bin "rc64" test) due to 17 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fcf20aa43979ebcf90dc702d4cc2c407c7b301b22c02de61285a519de846401d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf20aa43979ebcf90dc702d4cc2c407c7b301b22c02de61285a519de846401d", kill_on_drop: false }`
[INFO] [stdout] fcf20aa43979ebcf90dc702d4cc2c407c7b301b22c02de61285a519de846401d
