[INFO] cloning repository https://github.com/emersonmde/double_barrel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emersonmde/double_barrel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femersonmde%2Fdouble_barrel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femersonmde%2Fdouble_barrel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21e17d01996e568fd16fff959e8e318aa2586eb1 [INFO] checking emersonmde/double_barrel against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femersonmde%2Fdouble_barrel" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emersonmde/double_barrel on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emersonmde/double_barrel [INFO] finished tweaking git repo https://github.com/emersonmde/double_barrel [INFO] tweaked toml for git repo https://github.com/emersonmde/double_barrel written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/emersonmde/double_barrel 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29f4e05c1e968fe5ae1a3811d1ed14c426a434120c219228fc8506673a31a2de [INFO] running `Command { std: "docker" "start" "-a" "29f4e05c1e968fe5ae1a3811d1ed14c426a434120c219228fc8506673a31a2de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29f4e05c1e968fe5ae1a3811d1ed14c426a434120c219228fc8506673a31a2de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29f4e05c1e968fe5ae1a3811d1ed14c426a434120c219228fc8506673a31a2de", kill_on_drop: false }` [INFO] [stdout] 29f4e05c1e968fe5ae1a3811d1ed14c426a434120c219228fc8506673a31a2de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 274643d53da8528754226bff9ba1d02eec377937f130329b541446c1511afbae [INFO] running `Command { std: "docker" "start" "-a" "274643d53da8528754226bff9ba1d02eec377937f130329b541446c1511afbae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking double_barrel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ByteOrder`, `LittleEndian` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, LittleEndian}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ByteOrder`, `LittleEndian` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, LittleEndian}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file_name` is never read [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DoubleBarrel { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 19 | file_name: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_stack` is never used [INFO] [stdout] --> src/mmu.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl MemoryManagementUnit { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn print_stack(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_registers` is never used [INFO] [stdout] --> src/cpu.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl CPU { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn print_registers(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `instruction_register` is never read [INFO] [stdout] --> src/lcd.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LiquidCrystalDisplay { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 6 | instruction_register: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file_name` is never read [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DoubleBarrel { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 19 | file_name: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_stack` is never used [INFO] [stdout] --> src/mmu.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl MemoryManagementUnit { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn print_stack(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_registers` is never used [INFO] [stdout] --> src/cpu.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl CPU { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn print_registers(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `instruction_register` is never read [INFO] [stdout] --> src/lcd.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LiquidCrystalDisplay { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 6 | instruction_register: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.89s [INFO] running `Command { std: "docker" "inspect" "274643d53da8528754226bff9ba1d02eec377937f130329b541446c1511afbae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "274643d53da8528754226bff9ba1d02eec377937f130329b541446c1511afbae", kill_on_drop: false }` [INFO] [stdout] 274643d53da8528754226bff9ba1d02eec377937f130329b541446c1511afbae [INFO] checking emersonmde/double_barrel against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femersonmde%2Fdouble_barrel" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emersonmde/double_barrel on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emersonmde/double_barrel [INFO] finished tweaking git repo https://github.com/emersonmde/double_barrel [INFO] tweaked toml for git repo https://github.com/emersonmde/double_barrel written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/emersonmde/double_barrel 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c554b77c41a1b838bd153f0745731240fed1d4e0ee87153f7e262c0edbaa5b0 [INFO] running `Command { std: "docker" "start" "-a" "0c554b77c41a1b838bd153f0745731240fed1d4e0ee87153f7e262c0edbaa5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c554b77c41a1b838bd153f0745731240fed1d4e0ee87153f7e262c0edbaa5b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c554b77c41a1b838bd153f0745731240fed1d4e0ee87153f7e262c0edbaa5b0", kill_on_drop: false }` [INFO] [stdout] 0c554b77c41a1b838bd153f0745731240fed1d4e0ee87153f7e262c0edbaa5b0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 37bedb96b4e1494b9542e7f50f2f08384d806a12ddfa91d99a5855d903a4ae5b [INFO] running `Command { std: "docker" "start" "-a" "37bedb96b4e1494b9542e7f50f2f08384d806a12ddfa91d99a5855d903a4ae5b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking double_barrel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ByteOrder`, `LittleEndian` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, LittleEndian}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/lib.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file_name` is never read [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DoubleBarrel { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 19 | file_name: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_stack` is never used [INFO] [stdout] --> src/mmu.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl MemoryManagementUnit { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn print_stack(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_registers` is never used [INFO] [stdout] --> src/cpu.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl CPU { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn print_registers(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `instruction_register` is never read [INFO] [stdout] --> src/lcd.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LiquidCrystalDisplay { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 6 | instruction_register: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ByteOrder`, `LittleEndian` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, LittleEndian}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `file_name` is never read [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct DoubleBarrel { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 19 | file_name: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_stack` is never used [INFO] [stdout] --> src/mmu.rs:106:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl MemoryManagementUnit { [INFO] [stdout] | ------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 106 | pub fn print_stack(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print_registers` is never used [INFO] [stdout] --> src/cpu.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | impl CPU { [INFO] [stdout] | -------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn print_registers(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `instruction_register` is never read [INFO] [stdout] --> src/lcd.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct LiquidCrystalDisplay { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 6 | instruction_register: u8, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.16s [INFO] running `Command { std: "docker" "inspect" "37bedb96b4e1494b9542e7f50f2f08384d806a12ddfa91d99a5855d903a4ae5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37bedb96b4e1494b9542e7f50f2f08384d806a12ddfa91d99a5855d903a4ae5b", kill_on_drop: false }` [INFO] [stdout] 37bedb96b4e1494b9542e7f50f2f08384d806a12ddfa91d99a5855d903a4ae5b