[INFO] cloning repository https://github.com/Lightura3000/Rust-CPU
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lightura3000/Rust-CPU" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightura3000%2FRust-CPU", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLightura3000%2FRust-CPU'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc065fadfb5ee86ffb47a92a8641efd7e97ef2a2
[INFO] checking Lightura3000/Rust-CPU 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%2FLightura3000%2FRust-CPU" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lightura3000/Rust-CPU
[INFO] finished tweaking git repo https://github.com/Lightura3000/Rust-CPU
[INFO] tweaked toml for git repo https://github.com/Lightura3000/Rust-CPU written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lightura3000/Rust-CPU 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/Lightura3000/Rust-CPU 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 91bc868f85b1f6192eb8ca8d98a9443318d0f017ca5d5ac087f399109f36eedb
[INFO] running `Command { std: "docker" "start" "-a" "91bc868f85b1f6192eb8ca8d98a9443318d0f017ca5d5ac087f399109f36eedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91bc868f85b1f6192eb8ca8d98a9443318d0f017ca5d5ac087f399109f36eedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91bc868f85b1f6192eb8ca8d98a9443318d0f017ca5d5ac087f399109f36eedb", kill_on_drop: false }`
[INFO] [stdout] 91bc868f85b1f6192eb8ca8d98a9443318d0f017ca5d5ac087f399109f36eedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4c9eded1f3567eb72e691a0c58629bb4ca4f1e85905bc0776d3ef8899feca1f3
[INFO] running `Command { std: "docker" "start" "-a" "4c9eded1f3567eb72e691a0c58629bb4ca4f1e85905bc0776d3ef8899feca1f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.17
[INFO] [stderr]     Checking arbitrary-int v1.3.0
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking BitCPU v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `ImmediateTooLarge` and `UnrecognizableParam` are never constructed
[INFO] [stdout]   --> src/assembler/assembly_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum AssemblyErrorVariant {
[INFO] [stdout]    |          -------------------- variants in this enum
[INFO] [stdout] 13 |     ImmediateTooLarge { max: u16, got: u16 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     UnrecognizableParam { param_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AssemblyErrorVariant` 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: variant `Signed` is never constructed
[INFO] [stdout]   --> src/assembler/tokenization/raw_token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum RawTokenVariant {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Signed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RawTokenVariant` 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 `len` is never used
[INFO] [stdout]   --> src/assembler/tokenization/raw_token.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RawToken {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/tokenization/tokenization_error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ParseIntError(ParseIntError),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenizationErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     ParseIntError(ParseIntError),
[INFO] [stdout] 15 +     ParseIntError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCharacter` is never constructed
[INFO] [stdout]   --> src/assembler/tokenization/tokenization_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum TokenizationErrorVariant {
[INFO] [stdout]    |          ------------------------ variant in this enum
[INFO] [stdout] 13 |     InvalidCharacter(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenizationErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/assembler/tokenization/providers/provider_unsigned.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |             ProviderResponse::TokenFinished(RawTokenVariant::Unsigned, self.input.parse().unwrap())
[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<String, Infallible>
[INFO] [stdout]   --> src/assembler/tokenization/providers/provider_unsigned.rs:37:46
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some((RawTokenVariant::Unsigned, self.input.parse().unwrap()))
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `BitCPU` (bin "BitCPU") due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variants `ImmediateTooLarge` and `UnrecognizableParam` are never constructed
[INFO] [stdout]   --> src/assembler/assembly_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum AssemblyErrorVariant {
[INFO] [stdout]    |          -------------------- variants in this enum
[INFO] [stdout] 13 |     ImmediateTooLarge { max: u16, got: u16 },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     UnrecognizableParam { param_index: usize },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AssemblyErrorVariant` 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: variant `Signed` is never constructed
[INFO] [stdout]   --> src/assembler/tokenization/raw_token.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum RawTokenVariant {
[INFO] [stdout]    |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Signed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RawTokenVariant` 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 `len` is never used
[INFO] [stdout]   --> src/assembler/tokenization/raw_token.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl RawToken {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 27 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/assembler/tokenization/tokenization_error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ParseIntError(ParseIntError),
[INFO] [stdout]    |     ------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenizationErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 -     ParseIntError(ParseIntError),
[INFO] [stdout] 15 +     ParseIntError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCharacter` is never constructed
[INFO] [stdout]   --> src/assembler/tokenization/tokenization_error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub enum TokenizationErrorVariant {
[INFO] [stdout]    |          ------------------------ variant in this enum
[INFO] [stdout] 13 |     InvalidCharacter(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenizationErrorVariant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/assembler/tokenization/providers/provider_unsigned.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |             ProviderResponse::TokenFinished(RawTokenVariant::Unsigned, self.input.parse().unwrap())
[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<String, Infallible>
[INFO] [stdout]   --> src/assembler/tokenization/providers/provider_unsigned.rs:37:46
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Some((RawTokenVariant::Unsigned, self.input.parse().unwrap()))
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `BitCPU` (bin "BitCPU" test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4c9eded1f3567eb72e691a0c58629bb4ca4f1e85905bc0776d3ef8899feca1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9eded1f3567eb72e691a0c58629bb4ca4f1e85905bc0776d3ef8899feca1f3", kill_on_drop: false }`
[INFO] [stdout] 4c9eded1f3567eb72e691a0c58629bb4ca4f1e85905bc0776d3ef8899feca1f3
