[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/beta-1.38-1/sources/1.37.0/gh/DamianX/memevm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DamianX/memevm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DamianX/memevm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DamianX/memevm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DamianX/memevm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing DamianX/memevm against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] eeb96a6532590f6dfbffb24ab8ce29193aef5cfc2d0fae918d2505da9a0ad4ec
[INFO] running `"docker" "start" "-a" "eeb96a6532590f6dfbffb24ab8ce29193aef5cfc2d0fae918d2505da9a0ad4ec"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.5
[INFO] [stderr]    Compiling array-macro v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling hexdump v0.1.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling simple_logger v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling enum-map v0.4.1
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 30.22s
[INFO] running `"docker" "inspect" "eeb96a6532590f6dfbffb24ab8ce29193aef5cfc2d0fae918d2505da9a0ad4ec"`
[INFO] running `"docker" "rm" "-f" "eeb96a6532590f6dfbffb24ab8ce29193aef5cfc2d0fae918d2505da9a0ad4ec"`
[INFO] [stdout] eeb96a6532590f6dfbffb24ab8ce29193aef5cfc2d0fae918d2505da9a0ad4ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ac010816f11b8a80081b2c109d23c3a51cdff078f811d5b7db9f29f3341a9c2a
[INFO] running `"docker" "start" "-a" "ac010816f11b8a80081b2c109d23c3a51cdff078f811d5b7db9f29f3341a9c2a"`
[INFO] [stderr]    Compiling memevm v0.1.0 (/opt/crater/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]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "ac010816f11b8a80081b2c109d23c3a51cdff078f811d5b7db9f29f3341a9c2a"`
[INFO] running `"docker" "rm" "-f" "ac010816f11b8a80081b2c109d23c3a51cdff078f811d5b7db9f29f3341a9c2a"`
[INFO] [stdout] ac010816f11b8a80081b2c109d23c3a51cdff078f811d5b7db9f29f3341a9c2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 004737bad65383d718268d52c3ce27366202367b4127a10fd23178c7c0d09cf3
[INFO] running `"docker" "start" "-a" "004737bad65383d718268d52c3ce27366202367b4127a10fd23178c7c0d09cf3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memevm-a33c20a84f10bb53
[INFO] [stdout] running 2 tests
[INFO] [stdout] test disasm::test_simple ... ok
[INFO] [stdout] test disasm::test_simple_program ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "004737bad65383d718268d52c3ce27366202367b4127a10fd23178c7c0d09cf3"`
[INFO] running `"docker" "rm" "-f" "004737bad65383d718268d52c3ce27366202367b4127a10fd23178c7c0d09cf3"`
[INFO] [stdout] 004737bad65383d718268d52c3ce27366202367b4127a10fd23178c7c0d09cf3