[INFO] cloning repository https://github.com/gil0mendes/rust-lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gil0mendes/rust-lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8fba8bf14efa798b1763dd43271cb983954472c
[INFO] testing gil0mendes/rust-lc3 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgil0mendes%2Frust-lc3" "/workspace/builds/worker-81/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gil0mendes/rust-lc3 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gil0mendes/rust-lc3
[INFO] finished tweaking git repo https://github.com/gil0mendes/rust-lc3
[INFO] tweaked toml for git repo https://github.com/gil0mendes/rust-lc3 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate git repo https://github.com/gil0mendes/rust-lc3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 743651b18c37739977606d32f8d48e2988106b73fb83f72b9c5dba6946d5c433
[INFO] running `Command { std: "docker" "start" "-a" "743651b18c37739977606d32f8d48e2988106b73fb83f72b9c5dba6946d5c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "743651b18c37739977606d32f8d48e2988106b73fb83f72b9c5dba6946d5c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743651b18c37739977606d32f8d48e2988106b73fb83f72b9c5dba6946d5c433", kill_on_drop: false }`
[INFO] [stdout] 743651b18c37739977606d32f8d48e2988106b73fb83f72b9c5dba6946d5c433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c166b57ef9cca357779b35dd700f0a8d2143b2b9a2e10d7b8795f0263ba60fb7
[INFO] running `Command { std: "docker" "start" "-a" "c166b57ef9cca357779b35dd700f0a8d2143b2b9a2e10d7b8795f0263ba60fb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lc-3-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Instructions`
[INFO] [stdout]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instructions {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Flags`
[INFO] [stdout]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Flags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Registers`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Registers {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stdout]  --> src/emulator/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]  --> src/emulator/memory.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "c166b57ef9cca357779b35dd700f0a8d2143b2b9a2e10d7b8795f0263ba60fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c166b57ef9cca357779b35dd700f0a8d2143b2b9a2e10d7b8795f0263ba60fb7", kill_on_drop: false }`
[INFO] [stdout] c166b57ef9cca357779b35dd700f0a8d2143b2b9a2e10d7b8795f0263ba60fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9411091a2d06ed125b2b2dcc066b4b24672cba985bfa8991ac73fb87beec39d4
[INFO] running `Command { std: "docker" "start" "-a" "9411091a2d06ed125b2b2dcc066b4b24672cba985bfa8991ac73fb87beec39d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc-3-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Instructions`
[INFO] [stdout]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Instructions {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Flags`
[INFO] [stdout]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Flags {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Registers`
[INFO] [stdout]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Registers {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stdout]  --> src/emulator/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Memory`
[INFO] [stdout]  --> src/emulator/memory.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Memory {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9411091a2d06ed125b2b2dcc066b4b24672cba985bfa8991ac73fb87beec39d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9411091a2d06ed125b2b2dcc066b4b24672cba985bfa8991ac73fb87beec39d4", kill_on_drop: false }`
[INFO] [stdout] 9411091a2d06ed125b2b2dcc066b4b24672cba985bfa8991ac73fb87beec39d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51f860a9d5eb6386eb4017248bccfc7dd2ad5e6431b879b982d5928e711d0939
[INFO] running `Command { std: "docker" "start" "-a" "51f860a9d5eb6386eb4017248bccfc7dd2ad5e6431b879b982d5928e711d0939", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: enum is never used: `Instructions`
[INFO] [stderr]  --> src/emulator/cpu/instructions.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum Instructions {
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Flags`
[INFO] [stderr]  --> src/emulator/cpu/registers.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Flags {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Registers`
[INFO] [stderr]   --> src/emulator/cpu/registers.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct Registers {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MEMORY_SIZE`
[INFO] [stderr]  --> src/emulator/memory.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | const MEMORY_SIZE: usize = u16::MAX as usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Memory`
[INFO] [stderr]  --> src/emulator/memory.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Memory {
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lc-3-rust` (bin "lc-3-rust" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lc_3_rust-e256cc674b05eeaf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51f860a9d5eb6386eb4017248bccfc7dd2ad5e6431b879b982d5928e711d0939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f860a9d5eb6386eb4017248bccfc7dd2ad5e6431b879b982d5928e711d0939", kill_on_drop: false }`
[INFO] [stdout] 51f860a9d5eb6386eb4017248bccfc7dd2ad5e6431b879b982d5928e711d0939