[INFO] cloning repository https://github.com/totem3/machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/totem3/machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmachine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmachine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 405ae9a044e0dbe08e4801cc50a9141509b541f3
[INFO] checking totem3/machine against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmachine" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem3/machine on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/totem3/machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02e1ac3f1020dce75c92ddb3c59a5734d7b3c0e6a23296b1fab49e08d05082ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02e1ac3f1020dce75c92ddb3c59a5734d7b3c0e6a23296b1fab49e08d05082ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02e1ac3f1020dce75c92ddb3c59a5734d7b3c0e6a23296b1fab49e08d05082ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e1ac3f1020dce75c92ddb3c59a5734d7b3c0e6a23296b1fab49e08d05082ca", kill_on_drop: false }`
[INFO] [stdout] 02e1ac3f1020dce75c92ddb3c59a5734d7b3c0e6a23296b1fab49e08d05082ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ba66dcdcddcd05a29cce7e00513fb12eea16e3b2ad1f8fde1c19b0430ab3a22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ba66dcdcddcd05a29cce7e00513fb12eea16e3b2ad1f8fde1c19b0430ab3a22", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::ops::ByteContainer`
[INFO] [stdout]    --> src/cpu.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     use super::super::ops::ByteContainer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lop`
[INFO] [stdout]   --> src/instruction.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rop`
[INFO] [stdout]   --> src/instruction.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lop`
[INFO] [stdout]   --> src/instruction.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rop`
[INFO] [stdout]   --> src/instruction.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/instruction.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Immediate16`
[INFO] [stdout]   --> src/instruction.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/instruction.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/instruction.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lop`
[INFO] [stdout]   --> src/instruction.rs:38:27
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stdout]    |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rop`
[INFO] [stdout]   --> src/instruction.rs:38:36
[INFO] [stdout]    |
[INFO] [stdout] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stdout]    |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lop`
[INFO] [stdout]   --> src/instruction.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stdout]    |                            ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rop`
[INFO] [stdout]   --> src/instruction.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stdout]    |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/instruction.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `Immediate16`
[INFO] [stdout]   --> src/instruction.rs:51:39
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_Immediate16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/instruction.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 let val: u16 = ((args[1] as u16) << 8) | (args[0] as u16);
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/instruction.rs:45:20
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn load(&self, cpu: &mut Cpu, args: Vec<u8>) {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Immediate16` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut b = match cpu.reg16(Register16::SP) {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cpu.rs:204:13
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut b = match cpu.reg16(Register16::BC) {
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Immediate16` should have a snake case name
[INFO] [stdout]   --> src/instruction.rs:51:43
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stdout]    |                                           ^^^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `immediate16`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "3ba66dcdcddcd05a29cce7e00513fb12eea16e3b2ad1f8fde1c19b0430ab3a22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba66dcdcddcd05a29cce7e00513fb12eea16e3b2ad1f8fde1c19b0430ab3a22", kill_on_drop: false }`
[INFO] [stdout] 3ba66dcdcddcd05a29cce7e00513fb12eea16e3b2ad1f8fde1c19b0430ab3a22