[INFO] cloning repository https://github.com/EclesioMeloJunior/rust16vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EclesioMeloJunior/rust16vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEclesioMeloJunior%2Frust16vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEclesioMeloJunior%2Frust16vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d24d0350651974941d627005e2953f42426e13d
[INFO] checking EclesioMeloJunior/rust16vm against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEclesioMeloJunior%2Frust16vm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EclesioMeloJunior/rust16vm
[INFO] finished tweaking git repo https://github.com/EclesioMeloJunior/rust16vm
[INFO] tweaked toml for git repo https://github.com/EclesioMeloJunior/rust16vm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EclesioMeloJunior/rust16vm on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EclesioMeloJunior/rust16vm 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7a1c398c74db61c4f59ca46eee51b79820e6d991617112c071acec094f1e707
[INFO] running `Command { std: "docker" "start" "-a" "a7a1c398c74db61c4f59ca46eee51b79820e6d991617112c071acec094f1e707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7a1c398c74db61c4f59ca46eee51b79820e6d991617112c071acec094f1e707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a1c398c74db61c4f59ca46eee51b79820e6d991617112c071acec094f1e707", kill_on_drop: false }`
[INFO] [stdout] a7a1c398c74db61c4f59ca46eee51b79820e6d991617112c071acec094f1e707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 955d6c0b39a73e281cfd4329715c5b71013214916c50b1ef86d18a6adae842f5
[INFO] running `Command { std: "docker" "start" "-a" "955d6c0b39a73e281cfd4329715c5b71013214916c50b1ef86d18a6adae842f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking value-bag v1.10.0
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking event-listener-strategy v0.5.3
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking polling v3.7.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking async-io v2.4.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling instability v0.3.7
[INFO] [stderr]     Checking ratatui v0.29.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking rust16vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_const_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env::args`, `fmt::format`, and `hash::Hash`
[INFO] [stdout]  --> src/asm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     env::args,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/devices/keyboard.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::VecDeque, sync::{Arc, Mutex}, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/devices/terminal.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Write, stdout, stdin},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Print`, `QueueableCommand`, `Stylize`, and `execute`
[INFO] [stdout]  --> src/devices/terminal.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...eyCode}, execute, style::{self, Print, Stylize}, terminal::{self, Clear, ClearType}, ExecutableCommand, QueueableCommand
[INFO] [stdout]   |             ^^^^^^^                ^^^^^  ^^^^^^^                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/devices/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     default,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unbounded`
[INFO] [stdout]  --> src/devices/screen.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossbeam_channel::{TryRecvError, unbounded};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyEvent`
[INFO] [stdout]  --> src/devices/screen.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Paragraph`, `Text`, and `symbols::border`
[INFO] [stdout]   --> src/devices/screen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     text::{Line, Span, Text},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 18 |     widgets::{Block, List, ListItem, Paragraph, Widget, WidgetRef},
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_const_error)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env::args`, `fmt::format`, and `hash::Hash`
[INFO] [stdout]  --> src/asm/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     env::args,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     fmt::format,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 6 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/devices/keyboard.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::VecDeque, sync::{Arc, Mutex}, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdin`
[INFO] [stdout]  --> src/devices/terminal.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::{Write, stdout, stdin},
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Print`, `QueueableCommand`, `Stylize`, and `execute`
[INFO] [stdout]  --> src/devices/terminal.rs:6:44
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...eyCode}, execute, style::{self, Print, Stylize}, terminal::{self, Clear, ClearType}, ExecutableCommand, QueueableCommand
[INFO] [stdout]   |             ^^^^^^^                ^^^^^  ^^^^^^^                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `default`
[INFO] [stdout]  --> src/devices/screen.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     default,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unbounded`
[INFO] [stdout]  --> src/devices/screen.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crossbeam_channel::{TryRecvError, unbounded};
[INFO] [stdout]   |                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyEvent`
[INFO] [stdout]  --> src/devices/screen.rs:9:46
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crossterm::event::{self, Event, KeyCode, KeyEvent, KeyEventKind};
[INFO] [stdout]   |                                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Paragraph`, `Text`, and `symbols::border`
[INFO] [stdout]   --> src/devices/screen.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     symbols::border,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     text::{Line, Span, Text},
[INFO] [stdout]    |                        ^^^^
[INFO] [stdout] 18 |     widgets::{Block, List, ListItem, Paragraph, Widget, WidgetRef},
[INFO] [stdout]    |                                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Instruction::Noop => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             Instruction::Mov(dst_reg, reg, imm) => {
[INFO] [stdout]     |             ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 381 |             Instruction::MovShift(dst_reg, sh_am, left, imm) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 392 |             Instruction::Cpy(reg_src, reg_dst) => {
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine.rs:496:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             Instruction::Noop => {
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             Instruction::Mov(dst_reg, reg, imm) => {
[INFO] [stdout]     |             ----------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 381 |             Instruction::MovShift(dst_reg, sh_am, left, imm) => {
[INFO] [stdout]     |             ------------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 392 |             Instruction::Cpy(reg_src, reg_dst) => {
[INFO] [stdout]     |             ---------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 496 |             _ => {
[INFO] [stdout]     |             ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn read(&self, offset: usize) -> u8 {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust16vm` (lib) due to 1 previous error; 12 warnings emitted
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/devices/screen.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:266:20
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn read(&self, offset: usize) -> u8 {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/devices/screen.rs:270:25
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/devices/screen.rs:270:40
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn write(&mut self, offset: usize, value: u8) {
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust16vm` (lib test) due to 1 previous error; 12 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "955d6c0b39a73e281cfd4329715c5b71013214916c50b1ef86d18a6adae842f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955d6c0b39a73e281cfd4329715c5b71013214916c50b1ef86d18a6adae842f5", kill_on_drop: false }`
[INFO] [stdout] 955d6c0b39a73e281cfd4329715c5b71013214916c50b1ef86d18a6adae842f5
