[INFO] updating cached repository https://github.com/totem3/machine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 405ae9a044e0dbe08e4801cc50a9141509b541f3
[INFO] testing totem3/machine against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmachine" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem3/machine on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/totem3/machine
[INFO] finished tweaking git repo https://github.com/totem3/machine
[INFO] tweaked toml for git repo https://github.com/totem3/machine written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/totem3/machine already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e213ec80a831ae564e6e408ce4705bbb1e19fa23df9c044eb6e258948b0e92d
[INFO] running `"docker" "start" "-a" "3e213ec80a831ae564e6e408ce4705bbb1e19fa23df9c044eb6e258948b0e92d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/instruction.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/instruction.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Immediate16` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `"docker" "inspect" "3e213ec80a831ae564e6e408ce4705bbb1e19fa23df9c044eb6e258948b0e92d"`
[INFO] running `"docker" "rm" "-f" "3e213ec80a831ae564e6e408ce4705bbb1e19fa23df9c044eb6e258948b0e92d"`
[INFO] [stdout] 3e213ec80a831ae564e6e408ce4705bbb1e19fa23df9c044eb6e258948b0e92d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0d8a51b6ef83c89cdb7757496d556f46efba06bdf57467c3a415401dbb500d8
[INFO] running `"docker" "start" "-a" "a0d8a51b6ef83c89cdb7757496d556f46efba06bdf57467c3a415401dbb500d8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/instruction.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/instruction.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Immediate16` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::ops::ByteContainer`
[INFO] [stderr]    --> src/cpu.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     use super::super::ops::ByteContainer;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/instruction.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/instruction.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut b = match cpu.reg16(Register16::SP) {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let mut b = match cpu.reg16(Register16::BC) {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Immediate16` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "a0d8a51b6ef83c89cdb7757496d556f46efba06bdf57467c3a415401dbb500d8"`
[INFO] running `"docker" "rm" "-f" "a0d8a51b6ef83c89cdb7757496d556f46efba06bdf57467c3a415401dbb500d8"`
[INFO] [stdout] a0d8a51b6ef83c89cdb7757496d556f46efba06bdf57467c3a415401dbb500d8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b544017a824f97e2303f259b7913eef5e8949f81b9674e11a80c4cf66193aaf5
[INFO] running `"docker" "start" "-a" "b544017a824f97e2303f259b7913eef5e8949f81b9674e11a80c4cf66193aaf5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `super::super::ops::ByteContainer`
[INFO] [stderr]    --> src/cpu.rs:174:9
[INFO] [stderr]     |
[INFO] [stderr] 174 |     use super::super::ops::ByteContainer;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/instruction.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/instruction.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut b = match cpu.reg16(Register16::SP) {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cpu.rs:204:13
[INFO] [stderr]     |
[INFO] [stderr] 204 |         let mut b = match cpu.reg16(Register16::BC) {
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Immediate16` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:28
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:29
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:39
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/instruction.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cpu`
[INFO] [stderr]   --> src/instruction.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Immediate16` should have a snake case name
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vm-2133dd726468b277
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test cpu::test::test_16bit_register ... ok
[INFO] [stdout] test cpu::test::test_8bit_register ... ok
[INFO] [stdout] test cpu::test::test_pair_register ... ok
[INFO] [stdout] test register::test::test_register_pair ... ok
[INFO] [stdout] test register::test::test_register ... ok
[INFO] [stdout] test memory::test::test_get_set8 ... ok
[INFO] [stdout] test memory::test::test_get_set16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/machine-40bbbb33cf8d1afd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests vm
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b544017a824f97e2303f259b7913eef5e8949f81b9674e11a80c4cf66193aaf5"`
[INFO] running `"docker" "rm" "-f" "b544017a824f97e2303f259b7913eef5e8949f81b9674e11a80c4cf66193aaf5"`
[INFO] [stdout] b544017a824f97e2303f259b7913eef5e8949f81b9674e11a80c4cf66193aaf5