[INFO] updating cached repository Virepri/synacor_challenge [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Virepri/synacor_challenge [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Virepri/synacor_challenge" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Virepri/synacor_challenge" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Virepri/synacor_challenge"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Virepri/synacor_challenge'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4717bd1a8a27849d7b57f56757f53f92123b39cb [INFO] sha for GitHub repo Virepri/synacor_challenge: 4717bd1a8a27849d7b57f56757f53f92123b39cb [INFO] validating manifest of Virepri/synacor_challenge 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 Virepri/synacor_challenge 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 Virepri/synacor_challenge [INFO] finished frobbing Virepri/synacor_challenge [INFO] frobbed toml for Virepri/synacor_challenge written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge/Cargo.toml [INFO] started frobbing Virepri/synacor_challenge [INFO] finished frobbing Virepri/synacor_challenge [INFO] frobbed toml for Virepri/synacor_challenge written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/Virepri/synacor_challenge/Cargo.toml [INFO] crate Virepri/synacor_challenge 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 Virepri/synacor_challenge against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge:/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] 71472a3143736c7e3f96336e17738084c2e7d63a066478b28bed7e6b016a9e3d [INFO] running `"docker" "start" "-a" "71472a3143736c7e3f96336e17738084c2e7d63a066478b28bed7e6b016a9e3d"` [INFO] [stderr] Compiling synacor_challenge v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `CPU` [INFO] [stderr] --> src/cpu/mod.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | pub struct CPU { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `load_program` [INFO] [stderr] --> src/cpu/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn load_program(&mut self, prog: &Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `start_emulation` [INFO] [stderr] --> src/cpu/mod.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn start_emulation(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_from_mem` [INFO] [stderr] --> src/cpu/mod.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | fn get_from_mem(&self, loc: usize, num: bool) -> u16 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_location` [INFO] [stderr] --> src/cpu/mod.rs:98:5 [INFO] [stderr] | [INFO] [stderr] 98 | fn set_location(&mut self, loc: usize, data: u16) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_register` [INFO] [stderr] --> src/cpu/mod.rs:108:1 [INFO] [stderr] | [INFO] [stderr] 108 | fn is_register(loc: &usize) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `make_cpu` [INFO] [stderr] --> src/cpu/mod.rs:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | pub fn make_cpu() -> CPU { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `Result` should have a snake case name [INFO] [stderr] --> src/cpu/mod.rs:72:30 [INFO] [stderr] | [INFO] [stderr] 72 | Some(Result) => {self.memory_pointer = Result as usize} [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `result` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "71472a3143736c7e3f96336e17738084c2e7d63a066478b28bed7e6b016a9e3d"` [INFO] running `"docker" "rm" "-f" "71472a3143736c7e3f96336e17738084c2e7d63a066478b28bed7e6b016a9e3d"` [INFO] [stdout] 71472a3143736c7e3f96336e17738084c2e7d63a066478b28bed7e6b016a9e3d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge:/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] e1b0cd750cb7c19cddb5e244aa9b67d15ec3cd281daed60aaca857c7a642816b [INFO] running `"docker" "start" "-a" "e1b0cd750cb7c19cddb5e244aa9b67d15ec3cd281daed60aaca857c7a642816b"` [INFO] [stderr] Compiling synacor_challenge v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cpu/tests/mod.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let mut program = [17,5,2,15,0]; [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 `Result` should have a snake case name [INFO] [stderr] --> src/cpu/mod.rs:72:30 [INFO] [stderr] | [INFO] [stderr] 72 | Some(Result) => {self.memory_pointer = Result as usize} [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `result` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `"docker" "inspect" "e1b0cd750cb7c19cddb5e244aa9b67d15ec3cd281daed60aaca857c7a642816b"` [INFO] running `"docker" "rm" "-f" "e1b0cd750cb7c19cddb5e244aa9b67d15ec3cd281daed60aaca857c7a642816b"` [INFO] [stdout] e1b0cd750cb7c19cddb5e244aa9b67d15ec3cd281daed60aaca857c7a642816b [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/Virepri/synacor_challenge:/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] 7c046ff9472a10ad905bd4796bf7086e27b40fd64c5d04017b72e9f25adadbb8 [INFO] running `"docker" "start" "-a" "7c046ff9472a10ad905bd4796bf7086e27b40fd64c5d04017b72e9f25adadbb8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/synacor_challenge-73380c152dc38b87 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test cpu::tests::cpu_tests::load_test ... ok [INFO] [stdout] test cpu::tests::cpu_tests::exec_simple ... ok [INFO] [stdout] test cpu::tests::stack_tests::call_ret ... ok [INFO] [stdout] test cpu::tests::stack_tests::push_pop ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "7c046ff9472a10ad905bd4796bf7086e27b40fd64c5d04017b72e9f25adadbb8"` [INFO] running `"docker" "rm" "-f" "7c046ff9472a10ad905bd4796bf7086e27b40fd64c5d04017b72e9f25adadbb8"` [INFO] [stdout] 7c046ff9472a10ad905bd4796bf7086e27b40fd64c5d04017b72e9f25adadbb8