[INFO] cloning repository https://github.com/esi271/emurust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esi271/emurust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesi271%2Femurust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesi271%2Femurust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb81a5ee1db88eff59917e21300c83d9053edb9f
[INFO] checking esi271/emurust against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesi271%2Femurust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/esi271/emurust
[INFO] finished tweaking git repo https://github.com/esi271/emurust
[INFO] tweaked toml for git repo https://github.com/esi271/emurust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/esi271/emurust on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/esi271/emurust 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ab81e319cc89225e73e30d67856d764a1876f325de4f573a75b3ed06c45872
[INFO] running `Command { std: "docker" "start" "-a" "64ab81e319cc89225e73e30d67856d764a1876f325de4f573a75b3ed06c45872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ab81e319cc89225e73e30d67856d764a1876f325de4f573a75b3ed06c45872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ab81e319cc89225e73e30d67856d764a1876f325de4f573a75b3ed06c45872", kill_on_drop: false }`
[INFO] [stdout] 64ab81e319cc89225e73e30d67856d764a1876f325de4f573a75b3ed06c45872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4ea3ef0a1176eb3ff7bb6c15149bd23531c8eb1b45702e0f4db73308de57e79
[INFO] running `Command { std: "docker" "start" "-a" "b4ea3ef0a1176eb3ff7bb6c15149bd23531c8eb1b45702e0f4db73308de57e79", kill_on_drop: false }`
[INFO] [stderr]     Checking emurust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/cpu.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn execute_cb(&mut self, code: u8, val: u8) {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/cpu.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn execute_cb(&mut self, code: u8, val: u8) {
[INFO] [stdout]     |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             _ => println!("ciao")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/cpu.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             OpType::ADD => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 341 |             OpType::SUB | OpType::CP => {
[INFO] [stdout]     |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 346 |             OpType::INC => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 350 |             OpType::DEC => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             _ => println!("ciao")
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Registers` is never constructed
[INFO] [stdout]  --> src/cpu.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Registers {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `init` and `set_a` are never used
[INFO] [stdout]   --> src/cpu.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Registers {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     fn init() -> Registers {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn set_a(&mut self, val: u8) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flags` is never constructed
[INFO] [stdout]   --> src/cpu.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Flags {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `init` is never used
[INFO] [stdout]   --> src/cpu.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Flags {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 31 |     fn init() -> Flags {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CPU` is never constructed
[INFO] [stdout]   --> src/cpu.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct CPU {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OpType` is never used
[INFO] [stdout]   --> src/cpu.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum OpType {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/cpu.rs:55:8
[INFO] [stdout]     |
[INFO] [stdout]  53 | impl CPU {
[INFO] [stdout]     | -------- associated items in this implementation
[INFO] [stdout]  54 |
[INFO] [stdout]  55 |     fn init() -> CPU {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  60 |     fn execute(&mut self, code: u8, val: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 164 |     fn execute_cb(&mut self, code: u8, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 228 |     fn srl(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 232 |     fn shift_right(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |     fn shift_left(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     fn rrc(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 244 |     fn rlc(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 248 |     fn rr(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 253 |     fn rl(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn shift_op(&mut self, is_left: bool, val: u8, or_op: u8) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 270 |     fn or(&mut self, val: u8) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     fn and(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn xor(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 282 |     fn logical_op<F: Fn(u8, u8) -> u8>(&mut self, op: F, x: u8, y: u8, optype: OpType) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     fn compare(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 293 |     fn inc(&mut self, reg_val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     fn dec(&mut self, reg_val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     fn adda_r8(&mut self, val:u8) { 
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 308 |     fn suba_r8(&mut self, val:u8) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 313 |     fn add_with_carry(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 318 |     fn sub_with_carry(&mut self, val: u8) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 323 |     fn reg_operation<F>(&mut self, op: F, reg1: u8, reg2: u8, optype: OpType) -> u8
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     fn set_flags<F: Fn(u8, u8) -> (u8, bool)>(&mut self, x: u8, y: u8, f: F, optype: OpType) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/cpu.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |             _ => println!("ciao")
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/cpu.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             OpType::ADD => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 341 |             OpType::SUB | OpType::CP => {
[INFO] [stdout]     |             ------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 346 |             OpType::INC => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 350 |             OpType::DEC => {
[INFO] [stdout]     |             ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 369 |             _ => println!("ciao")
[INFO] [stdout]     |             ^ ...and 3 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "b4ea3ef0a1176eb3ff7bb6c15149bd23531c8eb1b45702e0f4db73308de57e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ea3ef0a1176eb3ff7bb6c15149bd23531c8eb1b45702e0f4db73308de57e79", kill_on_drop: false }`
[INFO] [stdout] b4ea3ef0a1176eb3ff7bb6c15149bd23531c8eb1b45702e0f4db73308de57e79
