[INFO] cloning repository https://github.com/iahuang/juno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iahuang/juno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiahuang%2Fjuno", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiahuang%2Fjuno'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3957c77d364d5635571efbe2ed93cfc6d3fe6b8
[INFO] checking iahuang/juno against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiahuang%2Fjuno" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iahuang/juno
[INFO] finished tweaking git repo https://github.com/iahuang/juno
[INFO] tweaked toml for git repo https://github.com/iahuang/juno written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iahuang/juno on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iahuang/juno 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking iahuang/juno against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiahuang%2Fjuno" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iahuang/juno
[INFO] finished tweaking git repo https://github.com/iahuang/juno
[INFO] tweaked toml for git repo https://github.com/iahuang/juno written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iahuang/juno on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iahuang/juno 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69c8be9b233594c665d7f0696d957d757d66ba2f8acb65a1e3601834ed85851f
[INFO] running `Command { std: "docker" "start" "-a" "69c8be9b233594c665d7f0696d957d757d66ba2f8acb65a1e3601834ed85851f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69c8be9b233594c665d7f0696d957d757d66ba2f8acb65a1e3601834ed85851f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c8be9b233594c665d7f0696d957d757d66ba2f8acb65a1e3601834ed85851f", kill_on_drop: false }`
[INFO] [stdout] 69c8be9b233594c665d7f0696d957d757d66ba2f8acb65a1e3601834ed85851f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3c9f06d50fbf79962509e8063f8f9adb266fb1964029c8aeffe059eecc2d60f
[INFO] running `Command { std: "docker" "start" "-a" "a3c9f06d50fbf79962509e8063f8f9adb266fb1964029c8aeffe059eecc2d60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking tui v0.19.0
[INFO] [stderr]     Checking juno v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `register_aliases::*`
[INFO] [stdout]  --> src/term_ui.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     runtime::{register_aliases::*, vm::VM},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `register_aliases::*`
[INFO] [stdout]  --> src/term_ui.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     runtime::{register_aliases::*, vm::VM},
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Text` and `self`
[INFO] [stdout]   --> src/term_ui.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     backend::{self, Backend, CrosstermBackend},
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     text::{Span, Spans, Text},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Text` and `self`
[INFO] [stdout]   --> src/term_ui.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 |     backend::{self, Backend, CrosstermBackend},
[INFO] [stdout]    |               ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     text::{Span, Spans, Text},
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/term_ui.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/term_ui.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `controls_block`
[INFO] [stdout]    --> src/term_ui.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let controls_block = Block::default()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_controls_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `controls_block`
[INFO] [stdout]    --> src/term_ui.rs:314:9
[INFO] [stdout]     |
[INFO] [stdout] 314 |     let controls_block = Block::default()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_controls_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         vm.memory.set_word(text_ptr, 0x2409ffff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = vm.memory.set_word(text_ptr, 0x2409ffff);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         vm.memory.set_word(text_ptr, 0x2409ffff);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = vm.memory.set_word(text_ptr, 0x2409ffff);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         vm.memory.set_word(text_ptr + 4, 0x240a0002);
[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] 30 |         let _ = vm.memory.set_word(text_ptr + 4, 0x240a0002);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         vm.memory.set_word(text_ptr + 4, 0x240a0002);
[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] 30 |         let _ = vm.memory.set_word(text_ptr + 4, 0x240a0002);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         vm.memory.set_word(text_ptr + 8, 0x012a0018);
[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] 31 |         let _ = vm.memory.set_word(text_ptr + 8, 0x012a0018);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         vm.memory.set_word(text_ptr + 8, 0x012a0018);
[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] 31 |         let _ = vm.memory.set_word(text_ptr + 8, 0x012a0018);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/runtime/execution.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 120 |     ) -> Result<(InstructionData, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                  --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     ) -> Result<(InstructionData<'_>, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/runtime/execution.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 120 |     ) -> Result<(InstructionData, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                  --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     ) -> Result<(InstructionData<'_>, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/runtime/execution.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 142 |         instruction: u32,
[INFO] [stdout] 143 |     ) -> Result<(InstructionData, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                  --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ) -> Result<(InstructionData<'_>, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/runtime/execution.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |         &mut self,
[INFO] [stdout]     |         ^^^^^^^^^ this lifetime flows to the output
[INFO] [stdout] 142 |         instruction: u32,
[INFO] [stdout] 143 |     ) -> Result<(InstructionData, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                  --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ) -> Result<(InstructionData<'_>, Option<Trap>), RuntimeError> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/runtime/decoding.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn decode_instruction(&self, instruction: u32) -> Result<InstructionData, RuntimeError> {
[INFO] [stdout]   |                               ^^^^^                              --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                               |
[INFO] [stdout]   |                               this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn decode_instruction(&self, instruction: u32) -> Result<InstructionData<'_>, RuntimeError> {
[INFO] [stdout]   |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/runtime/decoding.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn decode_instruction(&self, instruction: u32) -> Result<InstructionData, RuntimeError> {
[INFO] [stdout]   |                               ^^^^^                              --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                               |
[INFO] [stdout]   |                               this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn decode_instruction(&self, instruction: u32) -> Result<InstructionData<'_>, RuntimeError> {
[INFO] [stdout]   |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/runtime/decoding.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn decode_base_instruction(&self, instruction: u32) -> Result<&Instruction, RuntimeError> {
[INFO] [stdout]    |                                ^^^^^                              ------------
[INFO] [stdout]    |                                |                                  ||
[INFO] [stdout]    |                                |                                  |the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                |                                  the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn decode_base_instruction(&self, instruction: u32) -> Result<&Instruction<'_>, RuntimeError> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/runtime/decoding.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn decode_base_instruction(&self, instruction: u32) -> Result<&Instruction, RuntimeError> {
[INFO] [stdout]    |                                ^^^^^                              ------------
[INFO] [stdout]    |                                |                                  ||
[INFO] [stdout]    |                                |                                  |the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                |                                  the lifetimes get resolved as `'_`
[INFO] [stdout]    |                                this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn decode_base_instruction(&self, instruction: u32) -> Result<&Instruction<'_>, RuntimeError> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `Command { std: "docker" "inspect" "a3c9f06d50fbf79962509e8063f8f9adb266fb1964029c8aeffe059eecc2d60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c9f06d50fbf79962509e8063f8f9adb266fb1964029c8aeffe059eecc2d60f", kill_on_drop: false }`
[INFO] [stdout] a3c9f06d50fbf79962509e8063f8f9adb266fb1964029c8aeffe059eecc2d60f
