[INFO] fetching crate risc-y 0.1.8...
[INFO] building risc-y-0.1.8 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate risc-y 0.1.8 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate risc-y 0.1.8
[INFO] finished tweaking crates.io crate risc-y 0.1.8
[INFO] tweaked toml for crates.io crate risc-y 0.1.8 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate risc-y 0.1.8 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate risc-y 0.1.8 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06addd0fb4f44cb94001241be8f2ac6d450522e052bf38d635ee7196072efa37
[INFO] running `Command { std: "docker" "start" "-a" "06addd0fb4f44cb94001241be8f2ac6d450522e052bf38d635ee7196072efa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06addd0fb4f44cb94001241be8f2ac6d450522e052bf38d635ee7196072efa37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06addd0fb4f44cb94001241be8f2ac6d450522e052bf38d635ee7196072efa37", kill_on_drop: false }`
[INFO] [stdout] 06addd0fb4f44cb94001241be8f2ac6d450522e052bf38d635ee7196072efa37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d240c9916f6b3dda611c4c345943b2d66368bfe9d94a50ef1a90ddf12440891
[INFO] running `Command { std: "docker" "start" "-a" "5d240c9916f6b3dda611c4c345943b2d66368bfe9d94a50ef1a90ddf12440891", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling elf v0.7.4
[INFO] [stderr]    Compiling clap_builder v4.5.30
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling clap v4.5.30
[INFO] [stderr]    Compiling risc-y v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/core.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nv`, `dz`, `of`, `uf`, and `nx` are never read
[INFO] [stdout]    --> src/core.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct Fcsr {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub nv: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 164 |     pub dz: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 165 |     pub of: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 166 |     pub uf: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 167 |     pub nx: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Fcsr` 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: variants `Zero`, `Gp`, `Tp`, `T`, `S`, and `Fa` are never constructed
[INFO] [stdout]    --> src/core.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub enum Register {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 222 |     Zero,     // x0
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     Gp,       // x3
[INFO] [stdout]     |     ^^
[INFO] [stdout] 226 |     Tp,       // x4
[INFO] [stdout]     |     ^^
[INFO] [stdout] 227 |     T(usize), // t registers: t0-t2 map to x5-x7, t3-t6 map to x28-x31
[INFO] [stdout]     |     ^
[INFO] [stdout] 228 |     S(usize), // s registers: s0 maps to x8, s1 to x9, s2-s11 to x18-x27
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 231 |     Fa(usize),
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Register` 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: fields `data_owner` and `elf` are never read
[INFO] [stdout]    --> src/core.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct Memory<Reader: MemReader> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 267 |     data_owner: Box<[u8]>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     elf: LoadedElf,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pred` and `succ` are never read
[INFO] [stdout]    --> src/instruction.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     Fence {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 188 |         pred: u8,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         succ: u8,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     FaddS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 253 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     FsubS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 259 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     FmulS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 265 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     FmaddS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 272 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     FmsubS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 279 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     FnmaddS {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 286 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     FnmsubS {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 293 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     FdivS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 299 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |     FsqrtS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 319 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     FsqrtD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 324 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     FaddD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 340 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     FsubD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 346 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |     FmulD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 352 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |     FmaddD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 359 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     FmsubD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 366 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |     FnmaddD {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 373 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     FnmsubD {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 380 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |     FdivD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 386 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `offset` is never read
[INFO] [stdout]  --> src/load.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Segment {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 8 |     pub offset: u64, // relative address
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "5d240c9916f6b3dda611c4c345943b2d66368bfe9d94a50ef1a90ddf12440891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d240c9916f6b3dda611c4c345943b2d66368bfe9d94a50ef1a90ddf12440891", kill_on_drop: false }`
[INFO] [stdout] 5d240c9916f6b3dda611c4c345943b2d66368bfe9d94a50ef1a90ddf12440891
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66016b2144b4cd54ddcff354da18b427eec838980a0ba1b3742e94b3a6bc2caf
[INFO] running `Command { std: "docker" "start" "-a" "66016b2144b4cd54ddcff354da18b427eec838980a0ba1b3742e94b3a6bc2caf", kill_on_drop: false }`
[INFO] [stderr]    Compiling risc-y v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/core.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, Read, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `nv`, `dz`, `of`, `uf`, and `nx` are never read
[INFO] [stdout]    --> src/core.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | struct Fcsr {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub nv: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 164 |     pub dz: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 165 |     pub of: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 166 |     pub uf: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 167 |     pub nx: bool,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Fcsr` 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: variants `Zero`, `Gp`, `Tp`, `T`, `S`, and `Fa` are never constructed
[INFO] [stdout]    --> src/core.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 221 | pub enum Register {
[INFO] [stdout]     |          -------- variants in this enum
[INFO] [stdout] 222 |     Zero,     // x0
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     Gp,       // x3
[INFO] [stdout]     |     ^^
[INFO] [stdout] 226 |     Tp,       // x4
[INFO] [stdout]     |     ^^
[INFO] [stdout] 227 |     T(usize), // t registers: t0-t2 map to x5-x7, t3-t6 map to x28-x31
[INFO] [stdout]     |     ^
[INFO] [stdout] 228 |     S(usize), // s registers: s0 maps to x8, s1 to x9, s2-s11 to x18-x27
[INFO] [stdout]     |     ^
[INFO] [stdout] ...
[INFO] [stdout] 231 |     Fa(usize),
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Register` 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: fields `data_owner` and `elf` are never read
[INFO] [stdout]    --> src/core.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 266 | pub struct Memory<Reader: MemReader> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 267 |     data_owner: Box<[u8]>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |     elf: LoadedElf,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pred` and `succ` are never read
[INFO] [stdout]    --> src/instruction.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     Fence {
[INFO] [stdout]     |     ----- fields in this variant
[INFO] [stdout] 188 |         pred: u8,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 189 |         succ: u8,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     FaddS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 253 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     FsubS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 259 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |     FmulS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 265 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     FmaddS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 272 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     FmsubS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 279 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |     FnmaddS {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 286 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:293:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     FnmsubS {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 293 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:299:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     FdivS {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 299 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |     FsqrtS {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 319 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     FsqrtD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 324 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |     FaddD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 340 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 342 |     FsubD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 346 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |     FmulD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 352 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:359:9
[INFO] [stdout]     |
[INFO] [stdout] 354 |     FmaddD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 359 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     FmsubD {
[INFO] [stdout]     |     ------ field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 366 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:373:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |     FnmaddD {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 373 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 375 |     FnmsubD {
[INFO] [stdout]     |     ------- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 380 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `rm` is never read
[INFO] [stdout]    --> src/instruction.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 382 |     FdivD {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] ...
[INFO] [stdout] 386 |         rm: u8,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instruction` 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 `offset` is never read
[INFO] [stdout]  --> src/load.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Segment {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 8 |     pub offset: u64, // relative address
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Segment` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "66016b2144b4cd54ddcff354da18b427eec838980a0ba1b3742e94b3a6bc2caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66016b2144b4cd54ddcff354da18b427eec838980a0ba1b3742e94b3a6bc2caf", kill_on_drop: false }`
[INFO] [stdout] 66016b2144b4cd54ddcff354da18b427eec838980a0ba1b3742e94b3a6bc2caf
