[INFO] updating cached repository totem3/machine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/totem3/machine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/machine" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/totem3/machine" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/totem3/machine"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/totem3/machine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 405ae9a044e0dbe08e4801cc50a9141509b541f3
[INFO] sha for GitHub repo totem3/machine: 405ae9a044e0dbe08e4801cc50a9141509b541f3
[INFO] validating manifest of totem3/machine on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of totem3/machine on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing totem3/machine
[INFO] finished frobbing totem3/machine
[INFO] frobbed toml for totem3/machine written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine/Cargo.toml
[INFO] started frobbing totem3/machine
[INFO] finished frobbing totem3/machine
[INFO] frobbed toml for totem3/machine written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/totem3/machine/Cargo.toml
[INFO] crate totem3/machine has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing totem3/machine against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 8de88059369fdac0afdd8b34a7a3b05fdf81535ddafb49f3211813da498dec3a
[INFO] running `"docker" "start" "-a" "8de88059369fdac0afdd8b34a7a3b05fdf81535ddafb49f3211813da498dec3a"`
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/workdir)
[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: `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: `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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "8de88059369fdac0afdd8b34a7a3b05fdf81535ddafb49f3211813da498dec3a"`
[INFO] running `"docker" "rm" "-f" "8de88059369fdac0afdd8b34a7a3b05fdf81535ddafb49f3211813da498dec3a"`
[INFO] [stdout] 8de88059369fdac0afdd8b34a7a3b05fdf81535ddafb49f3211813da498dec3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f0385ef639e3fdf03a83915cf5e6a369dc6454ead5874001d6678e15a05529c
[INFO] running `"docker" "start" "-a" "8f0385ef639e3fdf03a83915cf5e6a369dc6454ead5874001d6678e15a05529c"`
[INFO] [stderr]    Compiling vm v0.1.0 (/opt/crater/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: `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: `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: `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 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 1.47s
[INFO] running `"docker" "inspect" "8f0385ef639e3fdf03a83915cf5e6a369dc6454ead5874001d6678e15a05529c"`
[INFO] running `"docker" "rm" "-f" "8f0385ef639e3fdf03a83915cf5e6a369dc6454ead5874001d6678e15a05529c"`
[INFO] [stdout] 8f0385ef639e3fdf03a83915cf5e6a369dc6454ead5874001d6678e15a05529c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/totem3/machine:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] a7d6099b5c35fb254a7a79531bf9f5c921f438e455452b96ab9ae93a1e704168
[INFO] running `"docker" "start" "-a" "a7d6099b5c35fb254a7a79531bf9f5c921f438e455452b96ab9ae93a1e704168"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vm-fa2b5575a8918b6d
[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 memory::test::test_get_set16 ... 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 cpu::test::test_pair_register ... 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/crater/target/debug/deps/machine-5918201c8a4112cb
[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] [stderr]    Doc-tests vm
[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" "a7d6099b5c35fb254a7a79531bf9f5c921f438e455452b96ab9ae93a1e704168"`
[INFO] running `"docker" "rm" "-f" "a7d6099b5c35fb254a7a79531bf9f5c921f438e455452b96ab9ae93a1e704168"`
[INFO] [stdout] a7d6099b5c35fb254a7a79531bf9f5c921f438e455452b96ab9ae93a1e704168