[INFO] updating cached repository mutexlox/aoc-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mutexlox/aoc-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mutexlox/aoc-2018" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mutexlox/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mutexlox/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mutexlox/aoc-2018" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mutexlox/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mutexlox/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f15410bcf1da60aedb2851e26118156e33c9372
[INFO] sha for GitHub repo mutexlox/aoc-2018: 6f15410bcf1da60aedb2851e26118156e33c9372
[INFO] validating manifest of mutexlox/aoc-2018 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mutexlox/aoc-2018 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mutexlox/aoc-2018
[INFO] finished frobbing mutexlox/aoc-2018
[INFO] frobbed toml for mutexlox/aoc-2018 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mutexlox/aoc-2018/Cargo.toml
[INFO] started frobbing mutexlox/aoc-2018
[INFO] finished frobbing mutexlox/aoc-2018
[INFO] frobbed toml for mutexlox/aoc-2018 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mutexlox/aoc-2018/Cargo.toml
[INFO] crate mutexlox/aoc-2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mutexlox/aoc-2018 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mutexlox/aoc-2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3c59b2dc6a9ef056930354606e6bd163b57ae71a3a6292c3f5e3b41dbeec6dac
[INFO] running `"docker" "start" "-a" "3c59b2dc6a9ef056930354606e6bd163b57ae71a3a6292c3f5e3b41dbeec6dac"`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/interp.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn execute(&self, ops: &HashMap<String, Op>, regs: &mut Vec<usize>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ip_reg`
[INFO] [stderr]   --> src/interp.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     ip_reg: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `instructions`
[INFO] [stderr]   --> src/interp.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     instructions: Vec<Instruction>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ops`
[INFO] [stderr]   --> src/interp.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ops: HashMap<String, Op>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]   --> src/interp.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn exec(&mut self, stop_ip: Option<usize>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute`
[INFO] [stderr]   --> src/interp.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn execute(&self, ops: &HashMap<String, Op>, regs: &mut Vec<usize>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ip_reg`
[INFO] [stderr]   --> src/interp.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     ip_reg: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `instructions`
[INFO] [stderr]   --> src/interp.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     instructions: Vec<Instruction>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ops`
[INFO] [stderr]   --> src/interp.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ops: HashMap<String, Op>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `exec`
[INFO] [stderr]   --> src/interp.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn exec(&mut self, stop_ip: Option<usize>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `"docker" "inspect" "3c59b2dc6a9ef056930354606e6bd163b57ae71a3a6292c3f5e3b41dbeec6dac"`
[INFO] running `"docker" "rm" "-f" "3c59b2dc6a9ef056930354606e6bd163b57ae71a3a6292c3f5e3b41dbeec6dac"`
[INFO] [stdout] 3c59b2dc6a9ef056930354606e6bd163b57ae71a3a6292c3f5e3b41dbeec6dac