[INFO] cloning repository https://github.com/arthurmco/steel5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurmco/steel5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurmco%2Fsteel5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurmco%2Fsteel5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c90b59277c9b134ad8f2bb873533879083a1feba
[INFO] testing arthurmco/steel5 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurmco%2Fsteel5" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arthurmco/steel5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arthurmco/steel5
[INFO] finished tweaking git repo https://github.com/arthurmco/steel5
[INFO] tweaked toml for git repo https://github.com/arthurmco/steel5 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/arthurmco/steel5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2d47ce43db46b9334de1b777e8ce27667705806aff684cbc59b142b15613b47
[INFO] running `Command { std: "docker" "start" "-a" "e2d47ce43db46b9334de1b777e8ce27667705806aff684cbc59b142b15613b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2d47ce43db46b9334de1b777e8ce27667705806aff684cbc59b142b15613b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d47ce43db46b9334de1b777e8ce27667705806aff684cbc59b142b15613b47", kill_on_drop: false }`
[INFO] [stdout] e2d47ce43db46b9334de1b777e8ce27667705806aff684cbc59b142b15613b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd5aacea9456533a9a33c9765c8f9b6bee1f267f915391c660b61e40eeab8f59
[INFO] running `Command { std: "docker" "start" "-a" "bd5aacea9456533a9a33c9765c8f9b6bee1f267f915391c660b61e40eeab8f59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling steel5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cpu/instruction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SRLI_SRAI` should have an upper camel case name
[INFO] [stdout]   --> src/cpu/opcodes.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     SRLI_SRAI = 0b101,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SrliSrai`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_SUB` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ADD_SUB = 0b000,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `AddSub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SRL_SRA` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     SRL_SRA = 0b101,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `SrlSra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     OP_IMM(OpcodeImmFunctions),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `OpImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FREE_OPS` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     FREE_OPS(FreeOpcodes),
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FreeOps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/memaccess.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let offset = addr - area.start;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/memaccess.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let offset = addr - area.start;
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]   --> src/cpu/cpu_state.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             funct3,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]   --> src/cpu/cpu_state.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             funct3,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]    --> src/cpu/cpu_state.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             funct3,
[INFO] [stdout]     |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag`
[INFO] [stdout]   --> src/memaccess.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     tag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MemoryArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/memaccess.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 36s
[INFO] running `Command { std: "docker" "inspect" "bd5aacea9456533a9a33c9765c8f9b6bee1f267f915391c660b61e40eeab8f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5aacea9456533a9a33c9765c8f9b6bee1f267f915391c660b61e40eeab8f59", kill_on_drop: false }`
[INFO] [stdout] bd5aacea9456533a9a33c9765c8f9b6bee1f267f915391c660b61e40eeab8f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af0f8ed79593712a63ffdd6549f75e89b6b32276969fb8fd434ccd37edacbee
[INFO] running `Command { std: "docker" "start" "-a" "3af0f8ed79593712a63ffdd6549f75e89b6b32276969fb8fd434ccd37edacbee", kill_on_drop: false }`
[INFO] [stderr]    Compiling steel5 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/cpu/instruction.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SRLI_SRAI` should have an upper camel case name
[INFO] [stdout]   --> src/cpu/opcodes.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     SRLI_SRAI = 0b101,
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SrliSrai`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ADD_SUB` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     ADD_SUB = 0b000,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `AddSub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SRL_SRA` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     SRL_SRA = 0b101,
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case: `SrlSra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:221:5
[INFO] [stdout]     |
[INFO] [stdout] 221 |     OP_IMM(OpcodeImmFunctions),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `OpImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `FREE_OPS` should have an upper camel case name
[INFO] [stdout]    --> src/cpu/opcodes.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 |     FREE_OPS(FreeOpcodes),
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FreeOps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/memaccess.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 let offset = addr - area.start;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/memaccess.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let offset = addr - area.start;
[INFO] [stdout]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]   --> src/cpu/cpu_state.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             funct3,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]   --> src/cpu/cpu_state.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |             funct3,
[INFO] [stdout]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `funct3`
[INFO] [stdout]    --> src/cpu/cpu_state.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout] 134 |             funct3,
[INFO] [stdout]     |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag`
[INFO] [stdout]   --> src/memaccess.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     tag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MemoryArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/memaccess.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "3af0f8ed79593712a63ffdd6549f75e89b6b32276969fb8fd434ccd37edacbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af0f8ed79593712a63ffdd6549f75e89b6b32276969fb8fd434ccd37edacbee", kill_on_drop: false }`
[INFO] [stdout] 3af0f8ed79593712a63ffdd6549f75e89b6b32276969fb8fd434ccd37edacbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4912ed6ee8d0cd1d5d94636422d40193718f6f19c2274b8196513cec1a8ad6d5
[INFO] running `Command { std: "docker" "start" "-a" "4912ed6ee8d0cd1d5d94636422d40193718f6f19c2274b8196513cec1a8ad6d5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/cpu/instruction.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SRLI_SRAI` should have an upper camel case name
[INFO] [stderr]   --> src/cpu/opcodes.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     SRLI_SRAI = 0b101,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SrliSrai`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ADD_SUB` should have an upper camel case name
[INFO] [stderr]    --> src/cpu/opcodes.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     ADD_SUB = 0b000,
[INFO] [stderr]     |     ^^^^^^^ help: convert the identifier to upper camel case: `AddSub`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SRL_SRA` should have an upper camel case name
[INFO] [stderr]    --> src/cpu/opcodes.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     SRL_SRA = 0b101,
[INFO] [stderr]     |     ^^^^^^^ help: convert the identifier to upper camel case: `SrlSra`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `OP_IMM` should have an upper camel case name
[INFO] [stderr]    --> src/cpu/opcodes.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     OP_IMM(OpcodeImmFunctions),
[INFO] [stderr]     |     ^^^^^^ help: convert the identifier to upper camel case: `OpImm`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `FREE_OPS` should have an upper camel case name
[INFO] [stderr]    --> src/cpu/opcodes.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     FREE_OPS(FreeOpcodes),
[INFO] [stderr]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `FreeOps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/memaccess.rs:86:21
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let offset = addr - area.start;
[INFO] [stderr]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/memaccess.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let offset = addr - area.start;
[INFO] [stderr]     |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funct3`
[INFO] [stderr]   --> src/cpu/cpu_state.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             funct3,
[INFO] [stderr]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funct3`
[INFO] [stderr]   --> src/cpu/cpu_state.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |             funct3,
[INFO] [stderr]    |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `funct3`
[INFO] [stderr]    --> src/cpu/cpu_state.rs:134:13
[INFO] [stderr]     |
[INFO] [stderr] 134 |             funct3,
[INFO] [stderr]     |             ^^^^^^ help: try ignoring the field: `funct3: _`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tag`
[INFO] [stderr]   --> src/memaccess.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     tag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `MemoryArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/memaccess.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `steel5` (bin "steel5" test) generated 12 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/steel5-b18cd35291737e33)
[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" "4912ed6ee8d0cd1d5d94636422d40193718f6f19c2274b8196513cec1a8ad6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4912ed6ee8d0cd1d5d94636422d40193718f6f19c2274b8196513cec1a8ad6d5", kill_on_drop: false }`
[INFO] [stdout] 4912ed6ee8d0cd1d5d94636422d40193718f6f19c2274b8196513cec1a8ad6d5