[INFO] cloning repository https://github.com/sturdy-robot/sturdychip8 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sturdy-robot/sturdychip8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsturdy-robot%2Fsturdychip8", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsturdy-robot%2Fsturdychip8'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d2c11a0c100ed67c162a77d0ddfb3cfc4acbfba4 [INFO] building sturdy-robot/sturdychip8 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%2Fsturdy-robot%2Fsturdychip8" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sturdy-robot/sturdychip8 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/sturdy-robot/sturdychip8 [INFO] finished tweaking git repo https://github.com/sturdy-robot/sturdychip8 [INFO] tweaked toml for git repo https://github.com/sturdy-robot/sturdychip8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sturdy-robot/sturdychip8 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c502345b1be5a9dab5761fc33d08812107965bef496036bfcf049851e76b75ac [INFO] running `Command { std: "docker" "start" "-a" "c502345b1be5a9dab5761fc33d08812107965bef496036bfcf049851e76b75ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c502345b1be5a9dab5761fc33d08812107965bef496036bfcf049851e76b75ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c502345b1be5a9dab5761fc33d08812107965bef496036bfcf049851e76b75ac", kill_on_drop: false }` [INFO] [stdout] c502345b1be5a9dab5761fc33d08812107965bef496036bfcf049851e76b75ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1f92549e48a708944901e00608413671a3b7b1d17faa48836891bf76540c4acc [INFO] running `Command { std: "docker" "start" "-a" "1f92549e48a708944901e00608413671a3b7b1d17faa48836891bf76540c4acc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling sturdychip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rom_data` [INFO] [stdout] --> src/core/rom.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let rom_data = fs::read(filename).expect("Unable to read file contents"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/core/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Registers` is never constructed [INFO] [stdout] --> src/core/registers.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Registers { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/core/registers.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Registers { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 8 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode` is never used [INFO] [stdout] --> src/core/instructions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn decode(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_op0x` is never used [INFO] [stdout] --> src/core/instructions.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn decode_op0x(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_op8x` is never used [INFO] [stdout] --> src/core/instructions.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn decode_op8x(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_rom` is never used [INFO] [stdout] --> src/core/rom.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn read_rom(filename: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s [INFO] running `Command { std: "docker" "inspect" "1f92549e48a708944901e00608413671a3b7b1d17faa48836891bf76540c4acc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f92549e48a708944901e00608413671a3b7b1d17faa48836891bf76540c4acc", kill_on_drop: false }` [INFO] [stdout] 1f92549e48a708944901e00608413671a3b7b1d17faa48836891bf76540c4acc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2c5c1f47dc3a7fd39c8317189eac28c5caa105697eb656c491d238aa6825da63 [INFO] running `Command { std: "docker" "start" "-a" "2c5c1f47dc3a7fd39c8317189eac28c5caa105697eb656c491d238aa6825da63", kill_on_drop: false }` [INFO] [stderr] Compiling sturdychip8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rom_data` [INFO] [stdout] --> src/core/rom.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let rom_data = fs::read(filename).expect("Unable to read file contents"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rom_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cpu` is never constructed [INFO] [stdout] --> src/core/cpu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Cpu { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Registers` is never constructed [INFO] [stdout] --> src/core/registers.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Registers { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/core/registers.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Registers { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 8 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode` is never used [INFO] [stdout] --> src/core/instructions.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn decode(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_op0x` is never used [INFO] [stdout] --> src/core/instructions.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn decode_op0x(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode_op8x` is never used [INFO] [stdout] --> src/core/instructions.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn decode_op8x(cpu: &mut Cpu) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_rom` is never used [INFO] [stdout] --> src/core/rom.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn read_rom(filename: &str) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "2c5c1f47dc3a7fd39c8317189eac28c5caa105697eb656c491d238aa6825da63", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c5c1f47dc3a7fd39c8317189eac28c5caa105697eb656c491d238aa6825da63", kill_on_drop: false }` [INFO] [stdout] 2c5c1f47dc3a7fd39c8317189eac28c5caa105697eb656c491d238aa6825da63