[INFO] cloning repository https://github.com/dernatsch/nrv64emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dernatsch/nrv64emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv64emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv64emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc16b1e37744ff2acfa1629667b2a41608b86b0
[INFO] testing dernatsch/nrv64emu against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv64emu" "/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/dernatsch/nrv64emu
[INFO] finished tweaking git repo https://github.com/dernatsch/nrv64emu
[INFO] tweaked toml for git repo https://github.com/dernatsch/nrv64emu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dernatsch/nrv64emu on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dernatsch/nrv64emu 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bfcaa317786a49cfbf3027e8b5304dd9e54437179c5e5710f88b381bd44d02d
[INFO] running `Command { std: "docker" "start" "-a" "2bfcaa317786a49cfbf3027e8b5304dd9e54437179c5e5710f88b381bd44d02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bfcaa317786a49cfbf3027e8b5304dd9e54437179c5e5710f88b381bd44d02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bfcaa317786a49cfbf3027e8b5304dd9e54437179c5e5710f88b381bd44d02d", kill_on_drop: false }`
[INFO] [stdout] 2bfcaa317786a49cfbf3027e8b5304dd9e54437179c5e5710f88b381bd44d02d
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7e8f61d879869eec12fb025fa4b8bf05b966c6accae8212f4777600d92150ec
[INFO] running `Command { std: "docker" "start" "-a" "b7e8f61d879869eec12fb025fa4b8bf05b966c6accae8212f4777600d92150ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling nrv64emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/cpu.rs:184:43
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:236:28
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn load_u16(&mut self, address: u64) -> Option<u16> { unimplemented!("load_u16") }
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:487:31
[INFO] [stdout]     |
[INFO] [stdout] 487 |             Instruction::Mret(i) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `imm`
[INFO] [stdout]    --> src/decoder.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |                         let imm = it.imm & 0x1F;
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_imm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLINT_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CLINT_BASE: u64 = 0x02000000;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLIC_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const PLIC_BASE: u64 = 0x0C000000;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_DISK_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const VIRTIO_DISK_BASE: u64 = 0x10001000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_NET_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const VIRTIO_NET_BASE: u64 = 0x10001000; //XXX: enough distance?
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MISA_RV64G` is never used
[INFO] [stdout]   --> src/cpu.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const MISA_RV64G: u64 = (2 << 62) // XLEN=64
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]  --> src/decoder.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RType {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     pub opcode: u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct IType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 61 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct BType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 90 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BType` 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 `opcode` is never read
[INFO] [stdout]    --> src/decoder.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct UType {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 118 |     pub opcode: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UType` 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 `opcode` is never read
[INFO] [stdout]    --> src/decoder.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub struct JType {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 138 |     pub opcode: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JType` 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 `0` is never read
[INFO] [stdout]    --> src/decoder.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Srai(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 166 -     Srai(IType),
[INFO] [stdout] 166 +     Srai(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Xori(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 168 -     Xori(IType),
[INFO] [stdout] 168 +     Xori(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 |     Sret(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 180 -     Sret(IType),
[INFO] [stdout] 180 +     Sret(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Wfi(IType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 181 -     Wfi(IType),
[INFO] [stdout] 181 +     Wfi(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Sll(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 186 -     Sll(RType),
[INFO] [stdout] 186 +     Sll(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     Srl(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 190 -     Srl(RType),
[INFO] [stdout] 190 +     Srl(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Sra(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 191 -     Sra(RType),
[INFO] [stdout] 191 +     Sra(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     Div(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 202 -     Div(RType),
[INFO] [stdout] 202 +     Div(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 |     Divu(RType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 203 -     Divu(RType),
[INFO] [stdout] 203 +     Divu(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     Rem(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 204 -     Rem(RType),
[INFO] [stdout] 204 +     Rem(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |     Remu(RType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 205 -     Remu(RType),
[INFO] [stdout] 205 +     Remu(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     Invalid(u32),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 224 -     Invalid(u32),
[INFO] [stdout] 224 +     Invalid(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "b7e8f61d879869eec12fb025fa4b8bf05b966c6accae8212f4777600d92150ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e8f61d879869eec12fb025fa4b8bf05b966c6accae8212f4777600d92150ec", kill_on_drop: false }`
[INFO] [stdout] b7e8f61d879869eec12fb025fa4b8bf05b966c6accae8212f4777600d92150ec
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b6eeeea0ba71dabc0e62688697461ebccdc55dfcc56e3b2b68a68d97120d5c
[INFO] running `Command { std: "docker" "start" "-a" "20b6eeeea0ba71dabc0e62688697461ebccdc55dfcc56e3b2b68a68d97120d5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nrv64emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:184:29
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stdout]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/cpu.rs:184:43
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stdout]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/cpu.rs:236:28
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn load_u16(&mut self, address: u64) -> Option<u16> { unimplemented!("load_u16") }
[INFO] [stdout]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cpu.rs:487:31
[INFO] [stdout]     |
[INFO] [stdout] 487 |             Instruction::Mret(i) => {
[INFO] [stdout]     |                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `imm`
[INFO] [stdout]    --> src/decoder.rs:268:29
[INFO] [stdout]     |
[INFO] [stdout] 268 |                         let imm = it.imm & 0x1F;
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_imm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CLINT_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CLINT_BASE: u64 = 0x02000000;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLIC_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const PLIC_BASE: u64 = 0x0C000000;
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_DISK_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const VIRTIO_DISK_BASE: u64 = 0x10001000;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `VIRTIO_NET_BASE` is never used
[INFO] [stdout]  --> src/cpu.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const VIRTIO_NET_BASE: u64 = 0x10001000; //XXX: enough distance?
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MISA_RV64G` is never used
[INFO] [stdout]   --> src/cpu.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const MISA_RV64G: u64 = (2 << 62) // XLEN=64
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `opcode` is never read
[INFO] [stdout]  --> src/decoder.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct RType {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     pub opcode: u8,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct IType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct SType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 61 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SType` 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 `opcode` is never read
[INFO] [stdout]   --> src/decoder.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub struct BType {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 90 |     pub opcode: u8,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BType` 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 `opcode` is never read
[INFO] [stdout]    --> src/decoder.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct UType {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 118 |     pub opcode: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UType` 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 `opcode` is never read
[INFO] [stdout]    --> src/decoder.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub struct JType {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] 138 |     pub opcode: u8,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `JType` 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 `0` is never read
[INFO] [stdout]    --> src/decoder.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 |     Srai(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 166 -     Srai(IType),
[INFO] [stdout] 166 +     Srai(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:168:10
[INFO] [stdout]     |
[INFO] [stdout] 168 |     Xori(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 168 -     Xori(IType),
[INFO] [stdout] 168 +     Xori(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 |     Sret(IType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 180 -     Sret(IType),
[INFO] [stdout] 180 +     Sret(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |     Wfi(IType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 181 -     Wfi(IType),
[INFO] [stdout] 181 +     Wfi(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     Sll(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 186 -     Sll(RType),
[INFO] [stdout] 186 +     Sll(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     Srl(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 190 -     Srl(RType),
[INFO] [stdout] 190 +     Srl(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     Sra(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 191 -     Sra(RType),
[INFO] [stdout] 191 +     Sra(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     Div(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 202 -     Div(RType),
[INFO] [stdout] 202 +     Div(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:203:10
[INFO] [stdout]     |
[INFO] [stdout] 203 |     Divu(RType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 203 -     Divu(RType),
[INFO] [stdout] 203 +     Divu(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     Rem(RType),
[INFO] [stdout]     |     --- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 204 -     Rem(RType),
[INFO] [stdout] 204 +     Rem(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:205:10
[INFO] [stdout]     |
[INFO] [stdout] 205 |     Remu(RType),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 205 -     Remu(RType),
[INFO] [stdout] 205 +     Remu(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/decoder.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     Invalid(u32),
[INFO] [stdout]     |     ------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[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] 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] 224 -     Invalid(u32),
[INFO] [stdout] 224 +     Invalid(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "20b6eeeea0ba71dabc0e62688697461ebccdc55dfcc56e3b2b68a68d97120d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b6eeeea0ba71dabc0e62688697461ebccdc55dfcc56e3b2b68a68d97120d5c", kill_on_drop: false }`
[INFO] [stdout] 20b6eeeea0ba71dabc0e62688697461ebccdc55dfcc56e3b2b68a68d97120d5c
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37752ad27709723853434ce5a0d0dcdecfab1fb457d32d00cd8cf7720a5e1a88
[INFO] running `Command { std: "docker" "start" "-a" "37752ad27709723853434ce5a0d0dcdecfab1fb457d32d00cd8cf7720a5e1a88", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/cpu.rs:184:29
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/cpu.rs:184:43
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn store_u16(&mut self, address: u64, value: u16) -> bool { unimplemented!("store_u16") }
[INFO] [stderr]     |                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/cpu.rs:236:28
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn load_u16(&mut self, address: u64) -> Option<u16> { unimplemented!("load_u16") }
[INFO] [stderr]     |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/cpu.rs:487:31
[INFO] [stderr]     |
[INFO] [stderr] 487 |             Instruction::Mret(i) => {
[INFO] [stderr]     |                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `imm`
[INFO] [stderr]    --> src/decoder.rs:268:29
[INFO] [stderr]     |
[INFO] [stderr] 268 |                         let imm = it.imm & 0x1F;
[INFO] [stderr]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_imm`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CLINT_BASE` is never used
[INFO] [stderr]  --> src/cpu.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const CLINT_BASE: u64 = 0x02000000;
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PLIC_BASE` is never used
[INFO] [stderr]  --> src/cpu.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | const PLIC_BASE: u64 = 0x0C000000;
[INFO] [stderr]   |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VIRTIO_DISK_BASE` is never used
[INFO] [stderr]  --> src/cpu.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const VIRTIO_DISK_BASE: u64 = 0x10001000;
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `VIRTIO_NET_BASE` is never used
[INFO] [stderr]  --> src/cpu.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const VIRTIO_NET_BASE: u64 = 0x10001000; //XXX: enough distance?
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `MISA_RV64G` is never used
[INFO] [stderr]   --> src/cpu.rs:51:7
[INFO] [stderr]    |
[INFO] [stderr] 51 | const MISA_RV64G: u64 = (2 << 62) // XLEN=64
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]  --> src/decoder.rs:3:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct RType {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] 3 |     pub opcode: u8,
[INFO] [stderr]   |         ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `RType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]   --> src/decoder.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct IType {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 34 |     pub opcode: u8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]   --> src/decoder.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct SType {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 61 |     pub opcode: u8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]   --> src/decoder.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub struct BType {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 90 |     pub opcode: u8,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]    --> src/decoder.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct UType {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 118 |     pub opcode: u8,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `UType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `opcode` is never read
[INFO] [stderr]    --> src/decoder.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub struct JType {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] 138 |     pub opcode: u8,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `JType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:166:10
[INFO] [stderr]     |
[INFO] [stderr] 166 |     Srai(IType),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 166 -     Srai(IType),
[INFO] [stderr] 166 +     Srai(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:168:10
[INFO] [stderr]     |
[INFO] [stderr] 168 |     Xori(IType),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 168 -     Xori(IType),
[INFO] [stderr] 168 +     Xori(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:180:10
[INFO] [stderr]     |
[INFO] [stderr] 180 |     Sret(IType),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 180 -     Sret(IType),
[INFO] [stderr] 180 +     Sret(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     Wfi(IType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 181 -     Wfi(IType),
[INFO] [stderr] 181 +     Wfi(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |     Sll(RType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 186 -     Sll(RType),
[INFO] [stderr] 186 +     Sll(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |     Srl(RType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 190 -     Srl(RType),
[INFO] [stderr] 190 +     Srl(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |     Sra(RType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 191 -     Sra(RType),
[INFO] [stderr] 191 +     Sra(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |     Div(RType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 202 -     Div(RType),
[INFO] [stderr] 202 +     Div(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:203:10
[INFO] [stderr]     |
[INFO] [stderr] 203 |     Divu(RType),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 203 -     Divu(RType),
[INFO] [stderr] 203 +     Divu(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     Rem(RType),
[INFO] [stderr]     |     --- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 204 -     Rem(RType),
[INFO] [stderr] 204 +     Rem(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:205:10
[INFO] [stderr]     |
[INFO] [stderr] 205 |     Remu(RType),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 205 -     Remu(RType),
[INFO] [stderr] 205 +     Remu(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/decoder.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |     Invalid(u32),
[INFO] [stderr]     |     ------- ^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instruction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 224 -     Invalid(u32),
[INFO] [stderr] 224 +     Invalid(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `nrv64emu` (bin "nrv64emu" test) generated 28 warnings (run `cargo fix --bin "nrv64emu" -p nrv64emu --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nrv64emu-8e44a3c56cb2b674)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37752ad27709723853434ce5a0d0dcdecfab1fb457d32d00cd8cf7720a5e1a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37752ad27709723853434ce5a0d0dcdecfab1fb457d32d00cd8cf7720a5e1a88", kill_on_drop: false }`
[INFO] [stdout] 37752ad27709723853434ce5a0d0dcdecfab1fb457d32d00cd8cf7720a5e1a88
