[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] checking totem3/machine against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftotem3%2Fmachine" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/totem3/machine on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0ce32dfe69acdf85319b4b08f9bfc9d5795f47051dd50b3132c239fb77c91cf
[INFO] running `"docker" "start" "-a" "e0ce32dfe69acdf85319b4b08f9bfc9d5795f47051dd50b3132c239fb77c91cf"`
[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] [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:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                               ^^^ help: consider prefixing 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:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                ^^^ help: consider prefixing with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                         ^^^ help: consider prefixing with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_cpu`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:38:31
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                               ^^^ help: consider prefixing 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:38:40
[INFO] [stderr]    |
[INFO] [stderr] 38 |             Operation::Ld(ref lop, ref rop) => {
[INFO] [stderr]    |                                        ^^^ help: consider prefixing with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lop`
[INFO] [stderr]   --> src/instruction.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                ^^^ help: consider prefixing with an underscore: `_lop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rop`
[INFO] [stderr]   --> src/instruction.rs:41:41
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Operation::Add(ref lop, ref rop) => {}
[INFO] [stderr]    |                                         ^^^ help: consider prefixing with an underscore: `_rop`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/instruction.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                 ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Immediate16`
[INFO] [stderr]   --> src/instruction.rs:51:43
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (Operand::Reg16(ref num), ref Immediate16) => {
[INFO] [stderr]    |                                           ^^^^^^^^^^^ help: consider prefixing 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: consider prefixing 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: consider prefixing 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: `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[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: `immediate16`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `"docker" "inspect" "e0ce32dfe69acdf85319b4b08f9bfc9d5795f47051dd50b3132c239fb77c91cf"`
[INFO] running `"docker" "rm" "-f" "e0ce32dfe69acdf85319b4b08f9bfc9d5795f47051dd50b3132c239fb77c91cf"`
[INFO] [stdout] e0ce32dfe69acdf85319b4b08f9bfc9d5795f47051dd50b3132c239fb77c91cf