[INFO] updating cached repository DamianX/memevm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DamianX/memevm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DamianX/memevm" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/DamianX/memevm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/DamianX/memevm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DamianX/memevm" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/DamianX/memevm"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/DamianX/memevm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7ad68ba11a3ed9de5fdca322cbb06adc2c972d48
[INFO] sha for GitHub repo DamianX/memevm: 7ad68ba11a3ed9de5fdca322cbb06adc2c972d48
[INFO] validating manifest of DamianX/memevm on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DamianX/memevm on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DamianX/memevm
[INFO] finished frobbing DamianX/memevm
[INFO] frobbed toml for DamianX/memevm written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/DamianX/memevm/Cargo.toml
[INFO] started frobbing DamianX/memevm
[INFO] finished frobbing DamianX/memevm
[INFO] frobbed toml for DamianX/memevm written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/DamianX/memevm/Cargo.toml
[INFO] crate DamianX/memevm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DamianX/memevm against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/DamianX/memevm:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 213bd83e2cc4f45a8c64c281182784b19fa77ba54a2f5226788ad17307fb59c7
[INFO] running `"docker" "start" "-a" "213bd83e2cc4f45a8c64c281182784b19fa77ba54a2f5226788ad17307fb59c7"`
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking memevm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `disassemble_program`
[INFO] [stderr]  --> src/disasm.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn disassemble_program(program: &[u16]) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_instruction`
[INFO] [stderr]   --> src/disasm.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn disassemble_instruction(instr: u16) -> Option<String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disassemble_region`
[INFO] [stderr]   --> src/vm.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn disassemble_region(&self, start: usize, length: usize, print_address: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `memory_dump`
[INFO] [stderr]   --> src/vm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn memory_dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `disassemble_region`
[INFO] [stderr]   --> src/vm.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn disassemble_region(&self, start: usize, length: usize, print_address: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `memory_dump`
[INFO] [stderr]   --> src/vm.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn memory_dump(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `"docker" "inspect" "213bd83e2cc4f45a8c64c281182784b19fa77ba54a2f5226788ad17307fb59c7"`
[INFO] running `"docker" "rm" "-f" "213bd83e2cc4f45a8c64c281182784b19fa77ba54a2f5226788ad17307fb59c7"`
[INFO] [stdout] 213bd83e2cc4f45a8c64c281182784b19fa77ba54a2f5226788ad17307fb59c7