[INFO] cloning repository https://github.com/Crystalsage/lc3vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Crystalsage/lc3vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrystalsage%2Flc3vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrystalsage%2Flc3vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd22d2876cfe6f9246ca9d5e34c5bcfe2fcdf5c9
[INFO] checking Crystalsage/lc3vm against db8f076d2619ce2585b0380dda06e8da25a40da4 for pr-163699
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrystalsage%2Flc3vm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Crystalsage/lc3vm
[INFO] finished tweaking git repo https://github.com/Crystalsage/lc3vm
[INFO] tweaked toml for git repo https://github.com/Crystalsage/lc3vm written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Crystalsage/lc3vm on toolchain db8f076d2619ce2585b0380dda06e8da25a40da4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Crystalsage/lc3vm 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" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9
[INFO] running `Command { std: "docker" "start" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9" "/opt/rustwide/cargo-home/bin/cargo" "+db8f076d2619ce2585b0380dda06e8da25a40da4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking lc3vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let instr: u16 = todo!();
[INFO] [stdout]    |                          ------- any code following this expression is unreachable
[INFO] [stdout] 25 |         let op: Opcode = (instr >> 12).try_into().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let program: Vec<u8>  = read_program(program_name);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pos` and `Neg` are never constructed
[INFO] [stdout]   --> src/types.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 50 |     Pos = 1 << 0,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     Zer = 1 << 1,
[INFO] [stdout] 52 |     Neg = 1 << 2
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let instr: u16 = todo!();
[INFO] [stdout]    |                          ------- any code following this expression is unreachable
[INFO] [stdout] 25 |         let op: Opcode = (instr >> 12).try_into().unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let program: Vec<u8>  = read_program(program_name);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pos` and `Neg` are never constructed
[INFO] [stdout]   --> src/types.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum Flag {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] 50 |     Pos = 1 << 0,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     Zer = 1 << 1,
[INFO] [stdout] 52 |     Neg = 1 << 2
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9", kill_on_drop: false }`
[INFO] [stdout] 2d53500fd8a0ba8c6f5e4b14beb77ed341adebfe8fb92444fb3f39ef85e0fbb9