[INFO] cloning repository https://github.com/sam41306061/rust-8086
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam41306061/rust-8086" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam41306061%2Frust-8086", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam41306061%2Frust-8086'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 187b8ef01b420628db7996eecbb5760f9fdc505f
[INFO] checking sam41306061/rust-8086 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam41306061%2Frust-8086" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam41306061/rust-8086 on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam41306061/rust-8086
[INFO] finished tweaking git repo https://github.com/sam41306061/rust-8086
[INFO] tweaked toml for git repo https://github.com/sam41306061/rust-8086 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sam41306061/rust-8086 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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 sam41306061/rust-8086 against try#8d46be77cd48fdbcced888d027457e2c9cf2aa16 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam41306061%2Frust-8086" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam41306061/rust-8086 on toolchain 8d46be77cd48fdbcced888d027457e2c9cf2aa16
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam41306061/rust-8086
[INFO] finished tweaking git repo https://github.com/sam41306061/rust-8086
[INFO] tweaked toml for git repo https://github.com/sam41306061/rust-8086 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sam41306061/rust-8086 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" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f0c6955821922376dfeddfb23688bef5e79f8f37e0aa8a088e3b7c6fdd1961d
[INFO] running `Command { std: "docker" "start" "-a" "2f0c6955821922376dfeddfb23688bef5e79f8f37e0aa8a088e3b7c6fdd1961d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f0c6955821922376dfeddfb23688bef5e79f8f37e0aa8a088e3b7c6fdd1961d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0c6955821922376dfeddfb23688bef5e79f8f37e0aa8a088e3b7c6fdd1961d", kill_on_drop: false }`
[INFO] [stdout] 2f0c6955821922376dfeddfb23688bef5e79f8f37e0aa8a088e3b7c6fdd1961d
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8d46be77cd48fdbcced888d027457e2c9cf2aa16" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca4d6d7fa57dbeba36210447d3883244c5cf9132720d38ab59fcdf25fcbf7d9
[INFO] running `Command { std: "docker" "start" "-a" "8ca4d6d7fa57dbeba36210447d3883244c5cf9132720d38ab59fcdf25fcbf7d9", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-8086 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `io`
[INFO] [stdout]    --> src/main.rs:138:57
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn load_binary(file_path: &str, memory: &mut Memory) -> io::Result<()> {
[INFO] [stdout]     |                                                         ^^ use of unresolved module or unlinked crate `io`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `io`, use `cargo add io` to add it to your `Cargo.toml`
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 138 - fn load_binary(file_path: &str, memory: &mut Memory) -> io::Result<()> {
[INFO] [stdout] 138 + fn load_binary(file_path: &str, memory: &mut Memory) -> i8::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 6   + use std::io;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `io`
[INFO] [stdout]    --> src/main.rs:138:57
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn load_binary(file_path: &str, memory: &mut Memory) -> io::Result<()> {
[INFO] [stdout]     |                                                         ^^ use of unresolved module or unlinked crate `io`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `io`, use `cargo add io` to add it to your `Cargo.toml`
[INFO] [stdout] help: a builtin type with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 138 - fn load_binary(file_path: &str, memory: &mut Memory) -> io::Result<()> {
[INFO] [stdout] 138 + fn load_binary(file_path: &str, memory: &mut Memory) -> i8::Result<()> {
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 6   + use std::io;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> CPU {
[INFO] [stdout]    |        ---      ^^^ expected `CPU`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn new() -> Memory {
[INFO] [stdout]    |        ---      ^^^^^^ expected `Memory`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn read(&self, address: usize, size: usize) -> &[u8] {
[INFO] [stdout]    |        ----                                        ^^^^^ expected `&[u8]`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn decode(bytes: &[u8]) -> Instruction {
[INFO] [stdout]    |        ------                  ^^^^^^^^^^^ expected `Instruction`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new() -> CPU {
[INFO] [stdout]    |        ---      ^^^ expected `CPU`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn new() -> Memory {
[INFO] [stdout]    |        ---      ^^^^^^ expected `Memory`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn read(&self, address: usize, size: usize) -> &[u8] {
[INFO] [stdout]    |        ----                                        ^^^^^ expected `&[u8]`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:86:32
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn decode(bytes: &[u8]) -> Instruction {
[INFO] [stdout]    |        ------                  ^^^^^^^^^^^ expected `Instruction`, found `()`
[INFO] [stdout]    |        |
[INFO] [stdout]    |        implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/main.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn write(&mut self, address: usize, data: &[u8]) {
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn write(&mut self, address: usize, data: &[u8]) {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn execute(&self, cpu: &mut CPU) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/main.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn write(&mut self, address: usize, data: &[u8]) {
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/main.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn write(&mut self, address: usize, data: &[u8]) {
[INFO] [stdout]    |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]   --> src/main.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn execute(&self, cpu: &mut CPU) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-8086` (bin "rust-8086") due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-8086` (bin "rust-8086" test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8ca4d6d7fa57dbeba36210447d3883244c5cf9132720d38ab59fcdf25fcbf7d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca4d6d7fa57dbeba36210447d3883244c5cf9132720d38ab59fcdf25fcbf7d9", kill_on_drop: false }`
[INFO] [stdout] 8ca4d6d7fa57dbeba36210447d3883244c5cf9132720d38ab59fcdf25fcbf7d9