[INFO] cloning repository https://github.com/MarcoTz/essentials-of-compilation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoTz/essentials-of-compilation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoTz%2Fessentials-of-compilation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoTz%2Fessentials-of-compilation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f26d4e79289ca566fc802f38fea2cb663117cd1
[INFO] checking MarcoTz/essentials-of-compilation 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%2FMarcoTz%2Fessentials-of-compilation" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MarcoTz/essentials-of-compilation
[INFO] finished tweaking git repo https://github.com/MarcoTz/essentials-of-compilation
[INFO] tweaked toml for git repo https://github.com/MarcoTz/essentials-of-compilation written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MarcoTz/essentials-of-compilation 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[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] 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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32b6a16698b1f73cdcff815d72dd35a2c342cab99f233d6bf4af8b0f0d439ce6
[INFO] running `Command { std: "docker" "start" "-a" "32b6a16698b1f73cdcff815d72dd35a2c342cab99f233d6bf4af8b0f0d439ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32b6a16698b1f73cdcff815d72dd35a2c342cab99f233d6bf4af8b0f0d439ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b6a16698b1f73cdcff815d72dd35a2c342cab99f233d6bf4af8b0f0d439ce6", kill_on_drop: false }`
[INFO] [stdout] 32b6a16698b1f73cdcff815d72dd35a2c342cab99f233d6bf4af8b0f0d439ce6
[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 -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] bc01745b83240466ec7d9b148fabe5ccb1c15f3c7fba26dd1250c45dc3071d30
[INFO] running `Command { std: "docker" "start" "-a" "bc01745b83240466ec7d9b148fabe5ccb1c15f3c7fba26dd1250c45dc3071d30", kill_on_drop: false }`
[INFO] [stderr]     Checking definitions v0.0.1 (/opt/rustwide/workdir/lib/definitions)
[INFO] [stderr]     Checking ucd-trie v0.1.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking pest v2.8.3
[INFO] [stderr]     Checking core v0.0.1 (/opt/rustwide/workdir/lib/core)
[INFO] [stderr]     Checking surface v0.0.1 (/opt/rustwide/workdir/lib/surface)
[INFO] [stderr]     Checking monadic v0.0.1 (/opt/rustwide/workdir/lib/monadic)
[INFO] [stderr]     Checking asm v0.0.1 (/opt/rustwide/workdir/lib/asm)
[INFO] [stderr]     Checking monadic2core v0.0.1 (/opt/rustwide/workdir/lib/monadic2core)
[INFO] [stderr]     Checking surface2monadic v0.0.1 (/opt/rustwide/workdir/lib/surface2monadic)
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking core2asm v0.0.1 (/opt/rustwide/workdir/lib/core2asm)
[INFO] [stderr]     Checking register_allocation v0.0.1 (/opt/rustwide/workdir/lib/register_allocation)
[INFO] [stdout] warning: unused import: `LiveInstruction`
[INFO] [stdout]  --> lib/register_allocation/src/interference_graph.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |     program::{LiveBlock, LiveInstruction, LiveProg, Location},
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pest_generator v2.8.3
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling pest_derive v2.8.3
[INFO] [stderr]     Checking parser v0.0.1 (/opt/rustwide/workdir/lib/parser)
[INFO] [stderr]     Checking driver v0.0.1 (/opt/rustwide/workdir/lib/driver)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Rco>
[INFO] [stdout]   --> lib/driver/src/lib.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let rco = uniquify.run_debug(&self.paths, self.debug)?;
[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<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let rco = uniquify.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Explicate>
[INFO] [stdout]   --> lib/driver/src/lib.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let explicate = rco.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let explicate = rco.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, UncoverLive>
[INFO] [stdout]   --> lib/driver/src/lib.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let uncover = select_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let uncover = select_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ColorGraph>
[INFO] [stdout]   --> lib/driver/src/lib.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let color_graph = build_interference.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let color_graph = build_interference.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, GeneratePreludeConclusion>
[INFO] [stdout]   --> lib/driver/src/lib.rs:64:43
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let generate_prelude_conclusion = patch_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:64:43
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let generate_prelude_conclusion = patch_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Assemble>
[INFO] [stdout]   --> lib/driver/src/lib.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let assemble = generate_prelude_conclusion.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let assemble = generate_prelude_conclusion.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<passes::Done, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/mod.rs:40:72
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(Done)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<passes::Done, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(Done)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/build_interference_graph.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let interference_graph = build_interference_graph(&self.prog);
[INFO] [stdout] 25 | |         let move_graph = build_move_graph(&self.prog);
[INFO] [stdout] 26 | |         Ok(ColorGraph {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         })
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/build_interference_graph.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         Ok(ColorGraph {
[INFO] [stdout] 27 | |             prog: self.prog,
[INFO] [stdout] 28 | |             interference_graph,
[INFO] [stdout] 29 | |             move_graph,
[INFO] [stdout] 30 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/generate_prelude_conclusion.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = generate_prelude_conclusion(self.prog);
[INFO] [stdout] 25 | |         Ok(Assemble { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/generate_prelude_conclusion.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Assemble { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/patch_instructions.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = self.prog.patch_instructions();
[INFO] [stdout] 25 | |         Ok(GeneratePreludeConclusion { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/patch_instructions.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(GeneratePreludeConclusion { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/remove_complex_operands.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 25 | |         let prog = self.prog.remove_complex_operands(&mut Default::default());
[INFO] [stdout] 26 | |         Ok(Explicate { prog })
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/remove_complex_operands.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ok(Explicate { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/select_instructions.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 25 | |         let prog = self.prog.select_instructions(());
[INFO] [stdout] 26 | |         Ok(UncoverLive { prog })
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/select_instructions.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ok(UncoverLive { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/uniquify.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = self.prog.uniquify(&mut Default::default());
[INFO] [stdout] 25 | |         Ok(Rco { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/uniquify.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Rco { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `driver` (lib) due to 26 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Rco>
[INFO] [stdout]   --> lib/driver/src/lib.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let rco = uniquify.run_debug(&self.paths, self.debug)?;
[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<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let rco = uniquify.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Explicate>
[INFO] [stdout]   --> lib/driver/src/lib.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let explicate = rco.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let explicate = rco.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, UncoverLive>
[INFO] [stdout]   --> lib/driver/src/lib.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let uncover = select_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let uncover = select_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, ColorGraph>
[INFO] [stdout]   --> lib/driver/src/lib.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let color_graph = build_interference.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let color_graph = build_interference.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, GeneratePreludeConclusion>
[INFO] [stdout]   --> lib/driver/src/lib.rs:64:43
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let generate_prelude_conclusion = patch_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:64:43
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let generate_prelude_conclusion = patch_instrs.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Assemble>
[INFO] [stdout]   --> lib/driver/src/lib.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let assemble = generate_prelude_conclusion.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/lib.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let assemble = generate_prelude_conclusion.run_debug(&self.paths, self.debug)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<passes::Done, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/mod.rs:40:72
[INFO] [stdout]    |
[INFO] [stdout] 40 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 41 | |         Ok(Done)
[INFO] [stdout] 42 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<passes::Done, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/mod.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Ok(Done)
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/build_interference_graph.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let interference_graph = build_interference_graph(&self.prog);
[INFO] [stdout] 25 | |         let move_graph = build_move_graph(&self.prog);
[INFO] [stdout] 26 | |         Ok(ColorGraph {
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |         })
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ColorGraph, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/build_interference_graph.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         Ok(ColorGraph {
[INFO] [stdout] 27 | |             prog: self.prog,
[INFO] [stdout] 28 | |             interference_graph,
[INFO] [stdout] 29 | |             move_graph,
[INFO] [stdout] 30 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/generate_prelude_conclusion.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = generate_prelude_conclusion(self.prog);
[INFO] [stdout] 25 | |         Ok(Assemble { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Assemble, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/generate_prelude_conclusion.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Assemble { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/patch_instructions.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = self.prog.patch_instructions();
[INFO] [stdout] 25 | |         Ok(GeneratePreludeConclusion { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<GeneratePreludeConclusion, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/patch_instructions.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(GeneratePreludeConclusion { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/remove_complex_operands.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 25 | |         let prog = self.prog.remove_complex_operands(&mut Default::default());
[INFO] [stdout] 26 | |         Ok(Explicate { prog })
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Explicate, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/remove_complex_operands.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ok(Explicate { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/select_instructions.rs:24:72
[INFO] [stdout]    |
[INFO] [stdout] 24 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 25 | |         let prog = self.prog.select_instructions(());
[INFO] [stdout] 26 | |         Ok(UncoverLive { prog })
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<UncoverLive, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/select_instructions.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Ok(UncoverLive { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/uniquify.rs:23:72
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn run(self, _: &CompilerPaths) -> Result<Self::Next, Self::Error> {
[INFO] [stdout]    |  ________________________________________________________________________^
[INFO] [stdout] 24 | |         let prog = self.prog.uniquify(&mut Default::default());
[INFO] [stdout] 25 | |         Ok(Rco { prog })
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Rco, Infallible>
[INFO] [stdout]   --> lib/driver/src/passes/uniquify.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Ok(Rco { prog })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `driver` (lib test) due to 26 previous errors
[INFO] running `Command { std: "docker" "inspect" "bc01745b83240466ec7d9b148fabe5ccb1c15f3c7fba26dd1250c45dc3071d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc01745b83240466ec7d9b148fabe5ccb1c15f3c7fba26dd1250c45dc3071d30", kill_on_drop: false }`
[INFO] [stdout] bc01745b83240466ec7d9b148fabe5ccb1c15f3c7fba26dd1250c45dc3071d30
