[INFO] cloning repository https://github.com/alexkale/rust-invaders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexkale/rust-invaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexkale%2Frust-invaders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexkale%2Frust-invaders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42a1057ce495c4ba4eadb6e49e8d12f3476e70c1
[INFO] checking alexkale/rust-invaders against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexkale%2Frust-invaders" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexkale/rust-invaders on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexkale/rust-invaders
[INFO] finished tweaking git repo https://github.com/alexkale/rust-invaders
[INFO] tweaked toml for git repo https://github.com/alexkale/rust-invaders written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/alexkale/rust-invaders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f11858a13e9d6865e9f86c2742ebe6196f26e2d912b09741165d932b6f5bd02c
[INFO] running `Command { std: "docker" "start" "-a" "f11858a13e9d6865e9f86c2742ebe6196f26e2d912b09741165d932b6f5bd02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11858a13e9d6865e9f86c2742ebe6196f26e2d912b09741165d932b6f5bd02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11858a13e9d6865e9f86c2742ebe6196f26e2d912b09741165d932b6f5bd02c", kill_on_drop: false }`
[INFO] [stdout] f11858a13e9d6865e9f86c2742ebe6196f26e2d912b09741165d932b6f5bd02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 471deb10165f8318e456321f2b636251cf71a118031c7c3ff30070987ea199d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "471deb10165f8318e456321f2b636251cf71a118031c7c3ff30070987ea199d1", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking i8080_space_invaders_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/vm/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/vm/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem_str`
[INFO] [stdout]   --> src/emu/memory/mod.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mem_str: String = self.bytes.iter().map(|x| format!("{:X}", x)).collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mem_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/emu/cpu/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   for i in 0..8 {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mem_str`
[INFO] [stdout]   --> src/emu/memory/mod.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mem_str: String = self.bytes.iter().map(|x| format!("{:X}", x)).collect();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mem_str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/emu/cpu/mod.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 |   for i in 0..8 {
[INFO] [stdout]    |       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_memory`
[INFO] [stdout]   --> src/emu/memory/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn print_memory(&self, from: usize, to: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_byte_at`
[INFO] [stdout]   --> src/emu/memory/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_byte_at(&self, addr: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]   --> src/emu/cpu/mod.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |   pub fn print_state(&self) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pixel_data`
[INFO] [stdout]  --> src/vm/display/mod.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   pixel_data: [u8; 0x3fff - 0x2400]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel_data`
[INFO] [stdout]   --> src/vm/display/mod.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn set_pixel_data(&mut self, vram: &[u8; 0x3fff - 0x2400]) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_ports`
[INFO] [stdout]  --> src/vm/io/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     input_ports: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output_ports`
[INFO] [stdout]  --> src/vm/io/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     output_ports: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_value1`
[INFO] [stdout]  --> src/vm/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     shift_value1: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_value2`
[INFO] [stdout]  --> src/vm/io/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     shift_value2: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_offset`
[INFO] [stdout]  --> src/vm/io/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     shift_offset: u8
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_data_from_input`
[INFO] [stdout]   --> src/vm/io/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn read_data_from_input(&self, port: u8) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_output`
[INFO] [stdout]   --> src/vm/io/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn on_output(&mut self, port: u8, data: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CLOCK`
[INFO] [stdout]   --> src/vm/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | static CLOCK: u64 = 2000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CYCLES_PER_FRAME`
[INFO] [stdout]   --> src/vm/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | static CYCLES_PER_FRAME: u64 = CLOCK / 60;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/vm/mod.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   display: display::Display,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `io`
[INFO] [stdout]   --> src/vm/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   io: io::IOBus,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_interrupt`
[INFO] [stdout]   --> src/vm/mod.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   last_interrupt: u8,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_cycle_end_time`
[INFO] [stdout]   --> src/vm/mod.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   last_cycle_end_time: Option<Instant>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_memory`
[INFO] [stdout]   --> src/emu/memory/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn print_memory(&self, from: usize, to: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_byte_at`
[INFO] [stdout]   --> src/emu/memory/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn get_byte_at(&self, addr: usize) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print_state`
[INFO] [stdout]   --> src/emu/cpu/mod.rs:95:10
[INFO] [stdout]    |
[INFO] [stdout] 95 |   pub fn print_state(&self) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pixel_data`
[INFO] [stdout]  --> src/vm/display/mod.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   pixel_data: [u8; 0x3fff - 0x2400]
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pixel_data`
[INFO] [stdout]   --> src/vm/display/mod.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn set_pixel_data(&mut self, vram: &[u8; 0x3fff - 0x2400]) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_ports`
[INFO] [stdout]  --> src/vm/io/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     input_ports: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output_ports`
[INFO] [stdout]  --> src/vm/io/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     output_ports: [u8; 8],
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_value1`
[INFO] [stdout]  --> src/vm/io/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     shift_value1: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_value2`
[INFO] [stdout]  --> src/vm/io/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     shift_value2: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shift_offset`
[INFO] [stdout]  --> src/vm/io/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     shift_offset: u8
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_data_from_input`
[INFO] [stdout]   --> src/vm/io/mod.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn read_data_from_input(&self, port: u8) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `on_output`
[INFO] [stdout]   --> src/vm/io/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn on_output(&mut self, port: u8, data: u8) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CLOCK`
[INFO] [stdout]   --> src/vm/mod.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | static CLOCK: u64 = 2000000;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CYCLES_PER_FRAME`
[INFO] [stdout]   --> src/vm/mod.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | static CYCLES_PER_FRAME: u64 = CLOCK / 60;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `display`
[INFO] [stdout]   --> src/vm/mod.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |   display: display::Display,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `io`
[INFO] [stdout]   --> src/vm/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   io: io::IOBus,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_interrupt`
[INFO] [stdout]   --> src/vm/mod.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   last_interrupt: u8,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_cycle_end_time`
[INFO] [stdout]   --> src/vm/mod.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   last_cycle_end_time: Option<Instant>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.36s
[INFO] running `Command { std: "docker" "inspect" "471deb10165f8318e456321f2b636251cf71a118031c7c3ff30070987ea199d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471deb10165f8318e456321f2b636251cf71a118031c7c3ff30070987ea199d1", kill_on_drop: false }`
[INFO] [stdout] 471deb10165f8318e456321f2b636251cf71a118031c7c3ff30070987ea199d1