[INFO] cloning repository https://github.com/danellis/webarc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danellis/webarc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanellis%2Fwebarc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanellis%2Fwebarc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bd029ae5ecb66eeae1d3e6d4aaf5071d0bbb9d58 [INFO] checking danellis/webarc against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanellis%2Fwebarc" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danellis/webarc on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danellis/webarc [INFO] finished tweaking git repo https://github.com/danellis/webarc [INFO] tweaked toml for git repo https://github.com/danellis/webarc written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/danellis/webarc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f6dfe6bac3888285865bc99b64c6ae50dd27a6b5f9024616dc793a53f1c0d2a9 [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" "f6dfe6bac3888285865bc99b64c6ae50dd27a6b5f9024616dc793a53f1c0d2a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6dfe6bac3888285865bc99b64c6ae50dd27a6b5f9024616dc793a53f1c0d2a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6dfe6bac3888285865bc99b64c6ae50dd27a6b5f9024616dc793a53f1c0d2a9", kill_on_drop: false }` [INFO] [stdout] f6dfe6bac3888285865bc99b64c6ae50dd27a6b5f9024616dc793a53f1c0d2a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd2677f669068ad07b2999f867533317c1e4b20488f75116f709339b08a0c07a [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" "bd2677f669068ad07b2999f867533317c1e4b20488f75116f709339b08a0c07a", kill_on_drop: false }` [INFO] [stderr] Checking webarc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Shr` [INFO] [stdout] --> src/webarc/instructions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Shr; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Shr` [INFO] [stdout] --> src/webarc/instructions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Shr; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:28:46 [INFO] [stdout] | [INFO] [stdout] 28 | fn exec_branch(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:123:15 [INFO] [stdout] | [INFO] [stdout] 123 | fn format_alu(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:165:47 [INFO] [stdout] | [INFO] [stdout] 165 | fn exec_alu_add(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rd` [INFO] [stdout] --> src/webarc/instructions.rs:170:78 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op1` [INFO] [stdout] --> src/webarc/instructions.rs:170:87 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_op1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op2` [INFO] [stdout] --> src/webarc/instructions.rs:170:97 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_op2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:229:19 [INFO] [stdout] | [INFO] [stdout] 229 | fn format_ldr_str(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `registers` [INFO] [stdout] --> src/webarc/instructions.rs:283:23 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:283:53 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instruction` [INFO] [stdout] --> src/webarc/instructions.rs:283:74 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:287:25 [INFO] [stdout] | [INFO] [stdout] 287 | fn format_unimplemented(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instruction` [INFO] [stdout] --> src/webarc/instructions.rs:287:51 [INFO] [stdout] | [INFO] [stdout] 287 | fn format_unimplemented(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:28:46 [INFO] [stdout] | [INFO] [stdout] 28 | fn exec_branch(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:123:15 [INFO] [stdout] | [INFO] [stdout] 123 | fn format_alu(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:165:47 [INFO] [stdout] | [INFO] [stdout] 165 | fn exec_alu_add(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rd` [INFO] [stdout] --> src/webarc/instructions.rs:170:78 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_rd` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op1` [INFO] [stdout] --> src/webarc/instructions.rs:170:87 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_op1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op2` [INFO] [stdout] --> src/webarc/instructions.rs:170:97 [INFO] [stdout] | [INFO] [stdout] 170 | fn exec_alu_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, rd: u32, op1: u32, op2: u32) -> Action { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_op2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:229:19 [INFO] [stdout] | [INFO] [stdout] 229 | fn format_ldr_str(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `registers` [INFO] [stdout] --> src/webarc/instructions.rs:283:23 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registers` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/webarc/instructions.rs:283:53 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instruction` [INFO] [stdout] --> src/webarc/instructions.rs:283:74 [INFO] [stdout] | [INFO] [stdout] 283 | fn exec_unimplemented(registers: &mut RegisterFile, memory: &mut Memory, instruction: u32) -> Action { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `address` [INFO] [stdout] --> src/webarc/instructions.rs:287:25 [INFO] [stdout] | [INFO] [stdout] 287 | fn format_unimplemented(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `instruction` [INFO] [stdout] --> src/webarc/instructions.rs:287:51 [INFO] [stdout] | [INFO] [stdout] 287 | fn format_unimplemented(address: u32, cond: &str, instruction: u32) -> String { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `UNDEFINED_INSTRUCTION_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const UNDEFINED_INSTRUCTION_VECTOR: u32 = 0x04; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SWI_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const SWI_VECTOR: u32 = 0x08; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PREFETCH_ABORT_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | const PREFETCH_ABORT_VECTOR: u32 = 0x0c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DATA_ABORT_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | const DATA_ABORT_VECTOR: u32 = 0x10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ADDRESS_EXCEPTION_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | const ADDRESS_EXCEPTION_VECTOR: u32 = 0x14; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `IRQ_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const IRQ_VECTOR: u32 = 0x18; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FIRQ_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const FIRQ_VECTOR: u32 = 0x1c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `UNDEFINED_INSTRUCTION_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const UNDEFINED_INSTRUCTION_VECTOR: u32 = 0x04; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `SWI_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const SWI_VECTOR: u32 = 0x08; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `PREFETCH_ABORT_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | const PREFETCH_ABORT_VECTOR: u32 = 0x0c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DATA_ABORT_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | const DATA_ABORT_VECTOR: u32 = 0x10; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ADDRESS_EXCEPTION_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | const ADDRESS_EXCEPTION_VECTOR: u32 = 0x14; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `IRQ_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const IRQ_VECTOR: u32 = 0x18; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FIRQ_VECTOR` [INFO] [stdout] --> src/webarc/cpu.rs:13:1 [INFO] [stdout] | [INFO] [stdout] 13 | const FIRQ_VECTOR: u32 = 0x1c; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | f.read(as_u8_slice(&mut rom)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | f.read(as_u8_slice(&mut rom)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "bd2677f669068ad07b2999f867533317c1e4b20488f75116f709339b08a0c07a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd2677f669068ad07b2999f867533317c1e4b20488f75116f709339b08a0c07a", kill_on_drop: false }` [INFO] [stdout] bd2677f669068ad07b2999f867533317c1e4b20488f75116f709339b08a0c07a