[INFO] cloning repository https://github.com/lima-limon-inc/LC3-VM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lima-limon-inc/LC3-VM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flima-limon-inc%2FLC3-VM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flima-limon-inc%2FLC3-VM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04fb0ec316d989b4f446bf79f03cf10d011d994
[INFO] testing lima-limon-inc/LC3-VM against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flima-limon-inc%2FLC3-VM" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lima-limon-inc/LC3-VM on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lima-limon-inc/LC3-VM
[INFO] finished tweaking git repo https://github.com/lima-limon-inc/LC3-VM
[INFO] tweaked toml for git repo https://github.com/lima-limon-inc/LC3-VM written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lima-limon-inc/LC3-VM 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 326ae50af32b3bdfbb60443adf06eef379914a5217745475b34df21f820eb16d
[INFO] running `Command { std: "docker" "start" "-a" "326ae50af32b3bdfbb60443adf06eef379914a5217745475b34df21f820eb16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326ae50af32b3bdfbb60443adf06eef379914a5217745475b34df21f820eb16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326ae50af32b3bdfbb60443adf06eef379914a5217745475b34df21f820eb16d", kill_on_drop: false }`
[INFO] [stdout] 326ae50af32b3bdfbb60443adf06eef379914a5217745475b34df21f820eb16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3fe2b35a8bef5171b24df9fc6c4d92101dc2a4139c08aa43c2dcad3aa00a859
[INFO] running `Command { std: "docker" "start" "-a" "e3fe2b35a8bef5171b24df9fc6c4d92101dc2a4139c08aa43c2dcad3aa00a859", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling LC-3VM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/virtual_machine/opcodes.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print` is never used
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_print(message: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LC_3VM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `lc_3_vm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                 std::io::stdin()
[INFO] [stdout] 131 | |                     .bytes()
[INFO] [stdout] 132 | |                     .next()
[INFO] [stdout] 133 | |                     .and_then(|result| result.ok())
[INFO] [stdout] 134 | |                     .is_some();
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let _ = std::io::stdin()
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.load_bytes(bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/virtual_machine/opcodes.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum VMError {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print` is never used
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_print(message: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                 std::io::stdin()
[INFO] [stdout] 131 | |                     .bytes()
[INFO] [stdout] 132 | |                     .next()
[INFO] [stdout] 133 | |                     .and_then(|result| result.ok())
[INFO] [stdout] 134 | |                     .is_some();
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let _ = std::io::stdin()
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.load_bytes(bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "e3fe2b35a8bef5171b24df9fc6c4d92101dc2a4139c08aa43c2dcad3aa00a859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3fe2b35a8bef5171b24df9fc6c4d92101dc2a4139c08aa43c2dcad3aa00a859", kill_on_drop: false }`
[INFO] [stdout] e3fe2b35a8bef5171b24df9fc6c4d92101dc2a4139c08aa43c2dcad3aa00a859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 453b477347dac1a0554c1c7ff204cadffa5787054f6a6a70533547752fa82bef
[INFO] running `Command { std: "docker" "start" "-a" "453b477347dac1a0554c1c7ff204cadffa5787054f6a6a70533547752fa82bef", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/virtual_machine/opcodes.rs:297:9
[INFO] [stdout]     |
[INFO] [stdout] 297 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print` is never used
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_print(message: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LC_3VM` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `lc_3_vm`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                 std::io::stdin()
[INFO] [stdout] 131 | |                     .bytes()
[INFO] [stdout] 132 | |                     .next()
[INFO] [stdout] 133 | |                     .and_then(|result| result.ok())
[INFO] [stdout] 134 | |                     .is_some();
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let _ = std::io::stdin()
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.load_bytes(bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling LC-3VM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::virtual_machine::opcodes::TrapCode`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |     use crate::virtual_machine::opcodes::TrapCode;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::virtual_machine::opcodes::TrapCode`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |     use crate::virtual_machine::opcodes::TrapCode;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:452:13
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let vm = VM::new(false);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:470:13
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let vm = VM::new(false);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print` is never used
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_print(message: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                 std::io::stdin()
[INFO] [stdout] 131 | |                     .bytes()
[INFO] [stdout] 132 | |                     .next()
[INFO] [stdout] 133 | |                     .and_then(|result| result.ok())
[INFO] [stdout] 134 | |                     .is_some();
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let _ = std::io::stdin()
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.load_bytes(bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 497 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 542 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 578 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 580 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 582 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:584:9
[INFO] [stdout]     |
[INFO] [stdout] 584 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 584 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:452:13
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let vm = VM::new(false);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vm`
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:470:13
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let vm = VM::new(false);
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Unknown` is never constructed
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub enum VMError {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 61 |     Unknown,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_print` is never used
[INFO] [stdout]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_print(message: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 | /                 std::io::stdin()
[INFO] [stdout] 131 | |                     .bytes()
[INFO] [stdout] 132 | |                     .next()
[INFO] [stdout] 133 | |                     .and_then(|result| result.ok())
[INFO] [stdout] 134 | |                     .is_some();
[INFO] [stdout]     | |______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 let _ = std::io::stdin()
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |         self.load_bytes(bytes);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 497 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 508 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:542:9
[INFO] [stdout]     |
[INFO] [stdout] 542 |         vm.execute(operation.unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 542 |         let _ = vm.execute(operation.unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 576 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:578:9
[INFO] [stdout]     |
[INFO] [stdout] 578 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 578 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:580:9
[INFO] [stdout]     |
[INFO] [stdout] 580 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 580 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:582:9
[INFO] [stdout]     |
[INFO] [stdout] 582 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 582 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/virtual_machine/cpu.rs:584:9
[INFO] [stdout]     |
[INFO] [stdout] 584 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 584 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "453b477347dac1a0554c1c7ff204cadffa5787054f6a6a70533547752fa82bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453b477347dac1a0554c1c7ff204cadffa5787054f6a6a70533547752fa82bef", kill_on_drop: false }`
[INFO] [stdout] 453b477347dac1a0554c1c7ff204cadffa5787054f6a6a70533547752fa82bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Zrandomize-layout" "-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3223d4f5074ba19adbfa942845638ddaac629a1fa2d1adf89095a5b95299f0fd
[INFO] running `Command { std: "docker" "start" "-a" "3223d4f5074ba19adbfa942845638ddaac629a1fa2d1adf89095a5b95299f0fd", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/virtual_machine/opcodes.rs:297:9
[INFO] [stderr]     |
[INFO] [stderr] 297 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_print` is never used
[INFO] [stderr]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn test_print(message: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LC_3VM` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `lc_3_vm`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 | /                 std::io::stdin()
[INFO] [stderr] 131 | |                     .bytes()
[INFO] [stderr] 132 | |                     .next()
[INFO] [stderr] 133 | |                     .and_then(|result| result.ok())
[INFO] [stderr] 134 | |                     .is_some();
[INFO] [stderr]     | |______________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 let _ = std::io::stdin()
[INFO] [stderr]     |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         self.load_bytes(bytes);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let _ = self.load_bytes(bytes);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::virtual_machine::opcodes::TrapCode`
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:441:9
[INFO] [stderr]     |
[INFO] [stderr] 441 |     use crate::virtual_machine::opcodes::TrapCode;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:452:13
[INFO] [stderr]     |
[INFO] [stderr] 452 |         let vm = VM::new(false);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:470:13
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let vm = VM::new(false);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_vm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:497:9
[INFO] [stderr]     |
[INFO] [stderr] 497 |         vm.execute(operation.unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 497 |         let _ = vm.execute(operation.unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:508:9
[INFO] [stderr]     |
[INFO] [stderr] 508 |         vm.execute(operation.unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 508 |         let _ = vm.execute(operation.unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:528:9
[INFO] [stderr]     |
[INFO] [stderr] 528 |         vm.execute(operation.unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 528 |         let _ = vm.execute(operation.unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:542:9
[INFO] [stderr]     |
[INFO] [stderr] 542 |         vm.execute(operation.unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 542 |         let _ = vm.execute(operation.unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:576:9
[INFO] [stderr]     |
[INFO] [stderr] 576 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 576 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:578:9
[INFO] [stderr]     |
[INFO] [stderr] 578 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 578 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:580:9
[INFO] [stderr]     |
[INFO] [stderr] 580 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 580 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:582:9
[INFO] [stderr]     |
[INFO] [stderr] 582 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 582 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/virtual_machine/cpu.rs:584:9
[INFO] [stderr]     |
[INFO] [stderr] 584 |         vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 584 |         let _ = vm.execute(Operand::decode_instruction(*operations.next().unwrap()).unwrap());
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `LC-3VM` (lib) generated 5 warnings (run `cargo fix --lib -p LC-3VM` to apply 1 suggestion)
[INFO] [stderr] warning: `LC-3VM` (lib test) generated 15 warnings (3 duplicates) (run `cargo fix --lib -p LC-3VM --tests` to apply 1 suggestion)
[INFO] [stderr] warning: variant `Unknown` is never constructed
[INFO] [stderr]   --> src/virtual_machine/cpu.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub enum VMError {
[INFO] [stderr]    |          ------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 61 |     Unknown,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_print` is never used
[INFO] [stderr]   --> src/virtual_machine/cpu.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn test_print(message: &str) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `LC-3VM` (bin "LC-3VM" test) generated 16 warnings (14 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/LC_3VM-1ecaba791cdf529a)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test virtual_machine::cpu::test::and_test ... ok
[INFO] [stdout] test virtual_machine::cpu::test::check_flags ... ok
[INFO] [stdout] test virtual_machine::cpu::test::check_memory_add_operation_imm_mode ... ok
[INFO] [stdout] test virtual_machine::cpu::test::add_operation ... ok
[INFO] [stdout] test virtual_machine::cpu::test::check_memory_len ... ok
[INFO] [stdout] test virtual_machine::cpu::test::check_memory_add_operation_reg_mode ... ok
[INFO] [stdout] test virtual_machine::opcodes::test::sign_extension ... ok
[INFO] [stdout] test virtual_machine::cpu::test::not_test ... ok
[INFO] [stdout] test virtual_machine::cpu::test::ld_test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- virtual_machine::cpu::test::ld_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'virtual_machine::cpu::test::ld_test' panicked at src/virtual_machine/cpu.rs:602:44:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: FileDoesNotExist(Os { code: 2, kind: NotFound, message: "No such file or directory" })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63316c6c173a - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x63316c6c173a - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x63316c6c173a - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x63316c6c173a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x63316c6e8cf3 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x63316c6e8cf3 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x63316c6be1b3 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x63316c6c1582 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x63316c6c2b5f - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x63316c6c2978 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x63316c68a863 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x63316c68a863 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x63316c6c3653 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x63316c6c3653 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x63316c6c330a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x63316c6c1c39 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x63316c6c2f9d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x63316c6e7770 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x63316c6e7b46 - core::result::unwrap_failed::h7979f09313fe1849
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1704:5
[INFO] [stdout]   19:     0x63316c648cf7 - core::result::Result<T,E>::unwrap::h22ea3957d22bd6ef
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:1109:23
[INFO] [stdout]   20:     0x63316c648cf7 - LC_3VM::virtual_machine::cpu::test::ld_test::hc5634b0e9c2aa8ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/virtual_machine/cpu.rs:602:9
[INFO] [stdout]   21:     0x63316c648c27 - LC_3VM::virtual_machine::cpu::test::ld_test::{{closure}}::h5023214c6eed3dab
[INFO] [stdout]                                at /opt/rustwide/workdir/src/virtual_machine/cpu.rs:589:17
[INFO] [stdout]   22:     0x63316c644b06 - core::ops::function::FnOnce::call_once::h630ec99cedb6e7ac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x63316c68ffbb - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63316c68ffbb - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x63316c68eef3 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x63316c68eef3 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x63316c68eef3 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x63316c68eef3 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x63316c68eef3 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x63316c68eef3 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x63316c68eef3 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x63316c651fd5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x63316c651fd5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x63316c6558ba - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x63316c6558ba - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x63316c6558ba - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x63316c6558ba - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x63316c6558ba - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x63316c6558ba - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x63316c6558ba - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x63316c6c758b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x63316c6c758b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x63316c6c758b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x7ed2efeb3ac3 - <unknown>
[INFO] [stdout]   45:     0x7ed2eff44a04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     virtual_machine::cpu::test::ld_test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "3223d4f5074ba19adbfa942845638ddaac629a1fa2d1adf89095a5b95299f0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3223d4f5074ba19adbfa942845638ddaac629a1fa2d1adf89095a5b95299f0fd", kill_on_drop: false }`
[INFO] [stdout] 3223d4f5074ba19adbfa942845638ddaac629a1fa2d1adf89095a5b95299f0fd
