[INFO] cloning repository https://github.com/halfburnttoast/tcpu1.1_emu_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/halfburnttoast/tcpu1.1_emu_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalfburnttoast%2Ftcpu1.1_emu_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalfburnttoast%2Ftcpu1.1_emu_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d1c88f99db449dd53b80124747a7fd9e9b53107
[INFO] checking halfburnttoast/tcpu1.1_emu_rust against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalfburnttoast%2Ftcpu1.1_emu_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: sha1 file '/workspace/builds/worker-5-tc2/source/.git/index.lock' write error. Out of diskspace
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking halfburnttoast/tcpu1.1_emu_rust against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalfburnttoast%2Ftcpu1.1_emu_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/halfburnttoast/tcpu1.1_emu_rust on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/halfburnttoast/tcpu1.1_emu_rust
[INFO] finished tweaking git repo https://github.com/halfburnttoast/tcpu1.1_emu_rust
[INFO] tweaked toml for git repo https://github.com/halfburnttoast/tcpu1.1_emu_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/halfburnttoast/tcpu1.1_emu_rust 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82829f915818b55dc268ecd185d3af8d121b4b7cede30823427b61fe4151c56e
[INFO] running `Command { std: "docker" "start" "-a" "82829f915818b55dc268ecd185d3af8d121b4b7cede30823427b61fe4151c56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82829f915818b55dc268ecd185d3af8d121b4b7cede30823427b61fe4151c56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82829f915818b55dc268ecd185d3af8d121b4b7cede30823427b61fe4151c56e", kill_on_drop: false }`
[INFO] [stdout] 82829f915818b55dc268ecd185d3af8d121b4b7cede30823427b61fe4151c56e
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 989f88340a89072ecb46418dac1bc2f33f772114d086d4ad2f8d52e4ebe4841a
[INFO] running `Command { std: "docker" "start" "-a" "989f88340a89072ecb46418dac1bc2f33f772114d086d4ad2f8d52e4ebe4841a", kill_on_drop: false }`
[INFO] [stderr]     Checking tcpu-emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/tcpu.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         panic!("Instruction not yet implemented");
[INFO] [stdout]     |         ----------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 294 |         self.reg_pc -= 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/tcpu.rs:294:9
[INFO] [stdout]     |
[INFO] [stdout] 293 |         panic!("Instruction not yet implemented");
[INFO] [stdout]     |         ----------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 294 |         self.reg_pc -= 1;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_type_of` is never used
[INFO] [stdout]  --> src/tcpu.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_type_of<T>(_: &T) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_max_cycles` and `test_cycle` are never used
[INFO] [stdout]    --> src/tcpu.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl CPU {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn set_max_cycles(&mut self, num: i64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 429 |     pub fn test_cycle(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_type_of` is never used
[INFO] [stdout]  --> src/tcpu.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn print_type_of<T>(_: &T) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_max_cycles` and `test_cycle` are never used
[INFO] [stdout]    --> src/tcpu.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout] 25  | impl CPU {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99  |     pub fn set_max_cycles(&mut self, num: i64) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 429 |     pub fn test_cycle(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "989f88340a89072ecb46418dac1bc2f33f772114d086d4ad2f8d52e4ebe4841a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989f88340a89072ecb46418dac1bc2f33f772114d086d4ad2f8d52e4ebe4841a", kill_on_drop: false }`
[INFO] [stdout] 989f88340a89072ecb46418dac1bc2f33f772114d086d4ad2f8d52e4ebe4841a