[INFO] cloning repository https://github.com/RMcTn/Chip-8-emulator-again [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RMcTn/Chip-8-emulator-again" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e7940aa6512327d5c81c5b7a96e5a16185abdfab [INFO] building RMcTn/Chip-8-emulator-again/e7940aa6512327d5c81c5b7a96e5a16185abdfab against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRMcTn%2FChip-8-emulator-again" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RMcTn/Chip-8-emulator-again on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/RMcTn/Chip-8-emulator-again [INFO] finished tweaking git repo https://github.com/RMcTn/Chip-8-emulator-again [INFO] tweaked toml for git repo https://github.com/RMcTn/Chip-8-emulator-again written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/RMcTn/Chip-8-emulator-again already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/Rust-SDL2/rust-sdl2` [INFO] [stderr] Updating git submodule `https://github.com/libsdl-org/SDL` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bf0715a76249d121297f2015e1cbdf390de1ed44b250ad706f144bb907230c7a [INFO] running `Command { std: "docker" "start" "-a" "bf0715a76249d121297f2015e1cbdf390de1ed44b250ad706f144bb907230c7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bf0715a76249d121297f2015e1cbdf390de1ed44b250ad706f144bb907230c7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf0715a76249d121297f2015e1cbdf390de1ed44b250ad706f144bb907230c7a", kill_on_drop: false }` [INFO] [stdout] bf0715a76249d121297f2015e1cbdf390de1ed44b250ad706f144bb907230c7a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70654c063066fc6dd6c94f1107bab7647b0cffce41570792dd7f87b94ba04000 [INFO] running `Command { std: "docker" "start" "-a" "70654c063066fc6dd6c94f1107bab7647b0cffce41570792dd7f87b94ba04000", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling sdl2 v0.35.2 (https://github.com/Rust-SDL2/rust-sdl2?rev=27cd1fd67c811e06b9d997a77bb6089a1b65070d#27cd1fd6) [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling chip-8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cmake v0.1.50 [INFO] [stderr] Compiling sdl2-sys v0.35.2 (https://github.com/Rust-SDL2/rust-sdl2?rev=27cd1fd67c811e06b9d997a77bb6089a1b65070d#27cd1fd6) [INFO] [stderr] Compiling getrandom v0.2.9 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stdout] warning: function `assemble` is never used [INFO] [stdout] --> src/assembler.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn assemble(source: String) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Parser` is never constructed [INFO] [stdout] --> src/assembler.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Parser { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/assembler.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl Parser { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 19 | fn new(tokens: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | fn label_pre_pass(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn generate_machine_code(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 376 | fn machine_code_for_instruction( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 676 | fn next_token(&self) -> &Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 680 | fn next_token_is_newline(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 685 | fn check(&self, token_type: TokenType) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 691 | fn check_at(&self, token_type: TokenType, idx: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 699 | fn check_all(&self, token_types: &[TokenType]) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 711 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 715 | fn advance_by(&mut self, amount: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 720 | fn match_tokens(&mut self, token_types: &[TokenType]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 734 | fn match_tokens_consume_if_true(&mut self, token_types: &[TokenType]) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 743 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/scanner.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 5 | LD, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | JP, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | Call, [INFO] [stdout] | ^^^^ [INFO] [stdout] 8 | SE, [INFO] [stdout] | ^^ [INFO] [stdout] 9 | SNE, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | ADD, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | SUB, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | SUBN, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | AND, [INFO] [stdout] | ^^^ [INFO] [stdout] 14 | XOR, [INFO] [stdout] | ^^^ [INFO] [stdout] 15 | OR, [INFO] [stdout] | ^^ [INFO] [stdout] 16 | RND, [INFO] [stdout] | ^^^ [INFO] [stdout] 17 | DRAW, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | SKP, [INFO] [stdout] | ^^^ [INFO] [stdout] 19 | SKNP, [INFO] [stdout] | ^^^^ [INFO] [stdout] 20 | RET, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | CLS, [INFO] [stdout] | ^^^ [INFO] [stdout] 22 | SHL, [INFO] [stdout] | ^^^ [INFO] [stdout] 23 | SHR, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | Number, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 25 | // Not sure if we want this yet! [INFO] [stdout] 26 | Addr, [INFO] [stdout] | ^^^^ [INFO] [stdout] 27 | Comma, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 28 | IRegister, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 29 | Newline, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 30 | // Newline used at the terminator for most statements [INFO] [stdout] 31 | Register, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 32 | Label, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 33 | LabelIdentifier, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 34 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 35 | NumericalValue(NumericalValue), [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Number` and `Label` are never constructed [INFO] [stdout] --> src/scanner.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum NumericalValue { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 41 | Number, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 42 | Label, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NumericalValue` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Token` is never constructed [INFO] [stdout] --> src/scanner.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | pub struct Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Scanner` is never constructed [INFO] [stdout] --> src/scanner.rs:53:12 [INFO] [stdout] | [INFO] [stdout] 53 | pub struct Scanner { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/scanner.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl Scanner { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 61 | pub fn new(source: String) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn tokenize(&mut self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn next_char_is(&self, ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | fn is_at_end(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | fn advance(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 123 | fn scan_token(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 220 | fn parse_instruction(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 237 | fn parse_hex_number(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 259 | fn parse_decimal_number(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 274 | fn peek(&self) -> char { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 283 | fn peek_next(&self) -> char { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tokenize` is never used [INFO] [stdout] --> src/scanner.rs:293:8 [INFO] [stdout] | [INFO] [stdout] 293 | pub fn tokenize(source: String) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.55s [INFO] running `Command { std: "docker" "inspect" "70654c063066fc6dd6c94f1107bab7647b0cffce41570792dd7f87b94ba04000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70654c063066fc6dd6c94f1107bab7647b0cffce41570792dd7f87b94ba04000", kill_on_drop: false }` [INFO] [stdout] 70654c063066fc6dd6c94f1107bab7647b0cffce41570792dd7f87b94ba04000 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79bbb59e77a3c5be5dd965e7c6b249cf02b9828ffcd3346d35411cbf38b8b783 [INFO] running `Command { std: "docker" "start" "-a" "79bbb59e77a3c5be5dd965e7c6b249cf02b9828ffcd3346d35411cbf38b8b783", kill_on_drop: false }` [INFO] [stderr] Compiling chip-8-emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `Addr` and `Colon` are never constructed [INFO] [stdout] --> src/scanner.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenType { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 26 | Addr, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | Colon, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_next` is never used [INFO] [stdout] --> src/scanner.rs:283:8 [INFO] [stdout] | [INFO] [stdout] 60 | impl Scanner { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 283 | fn peek_next(&self) -> char { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "79bbb59e77a3c5be5dd965e7c6b249cf02b9828ffcd3346d35411cbf38b8b783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79bbb59e77a3c5be5dd965e7c6b249cf02b9828ffcd3346d35411cbf38b8b783", kill_on_drop: false }` [INFO] [stdout] 79bbb59e77a3c5be5dd965e7c6b249cf02b9828ffcd3346d35411cbf38b8b783