[INFO] cloning repository https://github.com/farshed/lc3-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/farshed/lc3-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarshed%2Flc3-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarshed%2Flc3-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6f92e7d7c5cc2f85790083bf90ab6387f755f99
[INFO] checking farshed/lc3-rs against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffarshed%2Flc3-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/farshed/lc3-rs on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/farshed/lc3-rs
[INFO] finished tweaking git repo https://github.com/farshed/lc3-rs
[INFO] tweaked toml for git repo https://github.com/farshed/lc3-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/farshed/lc3-rs 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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df5c26669db49aef0223a60d3cb0677e3d2dea1ca0b073d7d650e5a7daf6194c
[INFO] running `Command { std: "docker" "start" "-a" "df5c26669db49aef0223a60d3cb0677e3d2dea1ca0b073d7d650e5a7daf6194c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5c26669db49aef0223a60d3cb0677e3d2dea1ca0b073d7d650e5a7daf6194c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5c26669db49aef0223a60d3cb0677e3d2dea1ca0b073d7d650e5a7daf6194c", kill_on_drop: false }`
[INFO] [stdout] df5c26669db49aef0223a60d3cb0677e3d2dea1ca0b073d7d650e5a7daf6194c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e692ca443f5195beb533e0276f463b2cf060b38534ebc2b71924215a24acee55
[INFO] running `Command { std: "docker" "start" "-a" "e692ca443f5195beb533e0276f463b2cf060b38534ebc2b71924215a24acee55", kill_on_drop: false }`
[INFO] [stderr]     Checking lc3-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `R1`, `R2`, `R3`, `R4`, `R5`, and `R6` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Register {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 8  |     R0,
[INFO] [stdout] 9  |     R1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     R2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     R3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     R4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     R5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     R6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Op {
[INFO] [stdout]    |      -- variants in this enum
[INFO] [stdout] 22 |     BR,   // branch
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     ADD,  // add
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 24 |     LD,   // load
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ST,   // store
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     JSR,  // jump register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     AND,  // bitwise and
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     LDR,  // load register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     STR,  // store register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     RTI,  // unused
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     NOT,  // bitwise not
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     LDI,  // load indirect
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     STI,  // store indirect
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     JMP,  // jump
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     RES,  // reserved (unused)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     LEA,  // load effective address
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     TRAP, // execute trap
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Getc`, `Out`, `Puts`, `In`, `Putsp`, and `Halt` are never constructed
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Trap {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 49 |     Getc = 0x20,  // get character from keyboard, not echoed onto the terminal
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     Out = 0x21,   // output a character
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     Puts = 0x22,  // output a word string
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     In = 0x23,    // get character from keyboard, echoed onto the terminal
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     Putsp = 0x24, // output a byte string
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     Halt = 0x25,  // halt the program
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `R1`, `R2`, `R3`, `R4`, `R5`, and `R6` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Register {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 8  |     R0,
[INFO] [stdout] 9  |     R1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     R2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     R3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 12 |     R4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     R5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     R6,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | enum Op {
[INFO] [stdout]    |      -- variants in this enum
[INFO] [stdout] 22 |     BR,   // branch
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     ADD,  // add
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 24 |     LD,   // load
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     ST,   // store
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     JSR,  // jump register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     AND,  // bitwise and
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 28 |     LDR,  // load register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 29 |     STR,  // store register
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     RTI,  // unused
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     NOT,  // bitwise not
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     LDI,  // load indirect
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 33 |     STI,  // store indirect
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 34 |     JMP,  // jump
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 35 |     RES,  // reserved (unused)
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 36 |     LEA,  // load effective address
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 37 |     TRAP, // execute trap
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Getc`, `Out`, `Puts`, `In`, `Putsp`, and `Halt` are never constructed
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Trap {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 49 |     Getc = 0x20,  // get character from keyboard, not echoed onto the terminal
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 50 |     Out = 0x21,   // output a character
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 51 |     Puts = 0x22,  // output a word string
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 52 |     In = 0x23,    // get character from keyboard, echoed onto the terminal
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     Putsp = 0x24, // output a byte string
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 54 |     Halt = 0x25,  // halt the program
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e692ca443f5195beb533e0276f463b2cf060b38534ebc2b71924215a24acee55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e692ca443f5195beb533e0276f463b2cf060b38534ebc2b71924215a24acee55", kill_on_drop: false }`
[INFO] [stdout] e692ca443f5195beb533e0276f463b2cf060b38534ebc2b71924215a24acee55
