[INFO] updating cached repository https://github.com/DamianX/memevm
[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] 7ad68ba11a3ed9de5fdca322cbb06adc2c972d48
[INFO] checking DamianX/memevm against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDamianX%2Fmemevm" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DamianX/memevm on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DamianX/memevm
[INFO] finished tweaking git repo https://github.com/DamianX/memevm
[INFO] tweaked toml for git repo https://github.com/DamianX/memevm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DamianX/memevm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] ae0ecadd95040226bb9ead687eb1a7ea38ecf6a323a6bbbb43c08ca61c085bc5
[INFO] running `"docker" "start" "-a" "ae0ecadd95040226bb9ead687eb1a7ea38ecf6a323a6bbbb43c08ca61c085bc5"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking memevm v0.1.0 (/opt/rustwide/workdir)
[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] warning: function is never used: `disassemble_program`
[INFO] [stderr]  --> src/disasm.rs:4:8
[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:18:8
[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]     Finished dev [unoptimized + debuginfo] target(s) in 35.95s
[INFO] running `"docker" "inspect" "ae0ecadd95040226bb9ead687eb1a7ea38ecf6a323a6bbbb43c08ca61c085bc5"`
[INFO] running `"docker" "rm" "-f" "ae0ecadd95040226bb9ead687eb1a7ea38ecf6a323a6bbbb43c08ca61c085bc5"`
[INFO] [stdout] ae0ecadd95040226bb9ead687eb1a7ea38ecf6a323a6bbbb43c08ca61c085bc5