[INFO] cloning repository https://github.com/dernatsch/nrv32emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dernatsch/nrv32emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv32emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv32emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ded5a84965a4aa366926f83f2bfbed54751926ba
[INFO] checking dernatsch/nrv32emu against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdernatsch%2Fnrv32emu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dernatsch/nrv32emu
[INFO] finished tweaking git repo https://github.com/dernatsch/nrv32emu
[INFO] tweaked toml for git repo https://github.com/dernatsch/nrv32emu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dernatsch/nrv32emu on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dernatsch/nrv32emu 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.4.5
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f
[INFO] running `Command { std: "docker" "start" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking nemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/main.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, debug, trace, warn};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]   --> src/main.rs:25:11
[INFO] [stdout]    |
[INFO] [stdout] 25 | use log::{info, debug, trace, warn};
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/main.rs:1303:37
[INFO] [stdout]      |
[INFO] [stdout] 1300 | ...                   _ => {
[INFO] [stdout]      |                       - matches any value
[INFO] [stdout] ...
[INFO] [stdout] 1303 | ...                   0x105 => {
[INFO] [stdout]      |                       ^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/main.rs:1313:37
[INFO] [stdout]      |
[INFO] [stdout] 1313 | ...                   _ => todo!("{:#x}ret", funct12),
[INFO] [stdout]      |                       ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/main.rs:1313:37
[INFO] [stdout]      |
[INFO] [stdout] 1280 | ...                   0x000 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1286 | ...                   0x001 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1292 | ...                   0x102 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1296 | ...                   0x302 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1313 | ...                   _ => todo!("{:#x}ret", funct12),
[INFO] [stdout]      |                       ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1853:9
[INFO] [stdout]      |
[INFO] [stdout] 1853 |     let mut killed = Arc::new(AtomicBool::new(false));
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1466:41
[INFO] [stdout]      |
[INFO] [stdout] 1466 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1482:41
[INFO] [stdout]      |
[INFO] [stdout] 1482 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1492:41
[INFO] [stdout]      |
[INFO] [stdout] 1492 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct VMConfig {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 41 |     machine: VMMachineSpec,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/main.rs:1303:37
[INFO] [stdout]      |
[INFO] [stdout] 1300 | ...                   _ => {
[INFO] [stdout]      |                       - matches any value
[INFO] [stdout] ...
[INFO] [stdout] 1303 | ...                   0x105 => {
[INFO] [stdout]      |                       ^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/main.rs:1313:37
[INFO] [stdout]      |
[INFO] [stdout] 1313 | ...                   _ => todo!("{:#x}ret", funct12),
[INFO] [stdout]      |                       ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/main.rs:1313:37
[INFO] [stdout]      |
[INFO] [stdout] 1280 | ...                   0x000 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1286 | ...                   0x001 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1292 | ...                   0x102 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1296 | ...                   0x302 => {
[INFO] [stdout]      |                       ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1313 | ...                   _ => todo!("{:#x}ret", funct12),
[INFO] [stdout]      |                       ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.09s
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/main.rs:1853:9
[INFO] [stdout]      |
[INFO] [stdout] 1853 |     let mut killed = Arc::new(AtomicBool::new(false));
[INFO] [stdout]      |         ----^^^^^^
[INFO] [stdout]      |         |
[INFO] [stdout]      |         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1466:41
[INFO] [stdout]      |
[INFO] [stdout] 1466 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1482:41
[INFO] [stdout]      |
[INFO] [stdout] 1482 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `u32` to itself
[INFO] [stdout]     --> src/main.rs:1492:41
[INFO] [stdout]      |
[INFO] [stdout] 1492 | ...                   val = val;
[INFO] [stdout]      |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `machine` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct VMConfig {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 41 |     machine: VMMachineSpec,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f", kill_on_drop: false }`
[INFO] [stdout] c4a29bae941831c0220ac1ffb89452aeb5c529cce8e9809a3b79fe476e11763f
