[INFO] cloning repository https://github.com/ioansx/dmg01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ioansx/dmg01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioansx%2Fdmg01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioansx%2Fdmg01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4012b3bf20bdc5057e0c80cf0194f2c0fcea80d5
[INFO] checking ioansx/dmg01 against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioansx%2Fdmg01" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ioansx/dmg01
[INFO] finished tweaking git repo https://github.com/ioansx/dmg01
[INFO] tweaked toml for git repo https://github.com/ioansx/dmg01 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ioansx/dmg01 on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ioansx/dmg01 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "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 ioansx/dmg01 against try#3857be5045fe74bd0f296f6f4c23db10f8857f73 for pr-156807
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fioansx%2Fdmg01" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ioansx/dmg01
[INFO] finished tweaking git repo https://github.com/ioansx/dmg01
[INFO] tweaked toml for git repo https://github.com/ioansx/dmg01 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ioansx/dmg01 on toolchain 3857be5045fe74bd0f296f6f4c23db10f8857f73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ioansx/dmg01 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" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf7e35a349e7417470cc1bfcb6c9c32d0f178f1084979985fc63ea1b37d34c4
[INFO] running `Command { std: "docker" "start" "-a" "dbf7e35a349e7417470cc1bfcb6c9c32d0f178f1084979985fc63ea1b37d34c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf7e35a349e7417470cc1bfcb6c9c32d0f178f1084979985fc63ea1b37d34c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf7e35a349e7417470cc1bfcb6c9c32d0f178f1084979985fc63ea1b37d34c4", kill_on_drop: false }`
[INFO] [stdout] dbf7e35a349e7417470cc1bfcb6c9c32d0f178f1084979985fc63ea1b37d34c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3857be5045fe74bd0f296f6f4c23db10f8857f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920a3d2d50572019ed60e68cf526c179de09ed13892ea76320ab15e9c5e94941
[INFO] running `Command { std: "docker" "start" "-a" "920a3d2d50572019ed60e68cf526c179de09ed13892ea76320ab15e9c5e94941", kill_on_drop: false }`
[INFO] [stderr]     Checking dmg01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/lib.rs:105:27
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn from_byte_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/lib.rs:105:27
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn from_byte_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Regs` is never constructed
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Regs {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Regs` is never constructed
[INFO] [stdout]  --> src/lib.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Regs {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Regs {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 13 |     fn af(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_af(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn bc(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn set_bc(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn de(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn set_de(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn hl(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn set_hl(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instr` is never used
[INFO] [stdout]   --> src/lib.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Instr {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_byte`, `from_byte_prefixed`, and `from_byte_not_prefixed` are never used
[INFO] [stdout]    --> src/lib.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl Instr {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout]  97 |     fn from_byte(byte: u8, prefixed: bool) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn from_byte_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn from_byte_not_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Regs {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 13 |     fn af(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn set_af(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn bc(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn set_bc(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn de(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn set_de(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn hl(&self) -> u16 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn set_hl(&mut self, value: u16) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArithTarget` is never used
[INFO] [stdout]    --> src/lib.rs:121:6
[INFO] [stdout]     |
[INFO] [stdout] 121 | enum ArithTarget {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JumpTest` is never used
[INFO] [stdout]    --> src/lib.rs:131:6
[INFO] [stdout]     |
[INFO] [stdout] 131 | enum JumpTest {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]    --> src/lib.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Cpu {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instr` is never used
[INFO] [stdout]   --> src/lib.rs:91:6
[INFO] [stdout]    |
[INFO] [stdout] 91 | enum Instr {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `exec`, `add`, `step`, and `jump` are never used
[INFO] [stdout]    --> src/lib.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] 146 |     fn exec(&mut self, instr: Instr) -> u16 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn add(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn step(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn jump(&self, should_jump: bool) -> u16 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `from_byte`, `from_byte_prefixed`, and `from_byte_not_prefixed` are never used
[INFO] [stdout]    --> src/lib.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl Instr {
[INFO] [stdout]     | ---------- associated functions in this implementation
[INFO] [stdout]  97 |     fn from_byte(byte: u8, prefixed: bool) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn from_byte_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn from_byte_not_prefixed(byte: u8) -> Option<Instr> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArithTarget` is never used
[INFO] [stdout]    --> src/lib.rs:121:6
[INFO] [stdout]     |
[INFO] [stdout] 121 | enum ArithTarget {
[INFO] [stdout]     |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemBus` is never constructed
[INFO] [stdout]    --> src/lib.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | struct MemBus {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `JumpTest` is never used
[INFO] [stdout]    --> src/lib.rs:131:6
[INFO] [stdout]     |
[INFO] [stdout] 131 | enum JumpTest {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cpu` is never constructed
[INFO] [stdout]    --> src/lib.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 | struct Cpu {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_byte` is never used
[INFO] [stdout]    --> src/lib.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl MemBus {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 229 |     fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `exec`, `add`, `step`, and `jump` are never used
[INFO] [stdout]    --> src/lib.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] 146 |     fn exec(&mut self, instr: Instr) -> u16 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     fn add(&mut self, val: u8) -> u8 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn step(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 208 |     fn jump(&self, should_jump: bool) -> u16 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemBus` is never constructed
[INFO] [stdout]    --> src/lib.rs:224:8
[INFO] [stdout]     |
[INFO] [stdout] 224 | struct MemBus {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_byte` is never used
[INFO] [stdout]    --> src/lib.rs:229:8
[INFO] [stdout]     |
[INFO] [stdout] 228 | impl MemBus {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 229 |     fn read_byte(&self, addr: u16) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "920a3d2d50572019ed60e68cf526c179de09ed13892ea76320ab15e9c5e94941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920a3d2d50572019ed60e68cf526c179de09ed13892ea76320ab15e9c5e94941", kill_on_drop: false }`
[INFO] [stdout] 920a3d2d50572019ed60e68cf526c179de09ed13892ea76320ab15e9c5e94941
