[INFO] cloning repository https://github.com/destr4ct/lc3-emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/destr4ct/lc3-emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestr4ct%2Flc3-emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestr4ct%2Flc3-emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c37132cabc1ba23538edc8d668c9777439876f9
[INFO] checking destr4ct/lc3-emu against try#09335b6f1bff25ec39f47f1533e126fbe1ca5f5d for pr-139493-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdestr4ct%2Flc3-emu" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/destr4ct/lc3-emu
[INFO] finished tweaking git repo https://github.com/destr4ct/lc3-emu
[INFO] tweaked toml for git repo https://github.com/destr4ct/lc3-emu written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/destr4ct/lc3-emu on toolchain 09335b6f1bff25ec39f47f1533e126fbe1ca5f5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/destr4ct/lc3-emu 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" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01aa7e1f5720318361d3ca56364b30593297e60269c2881a179899b30660abe6
[INFO] running `Command { std: "docker" "start" "-a" "01aa7e1f5720318361d3ca56364b30593297e60269c2881a179899b30660abe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01aa7e1f5720318361d3ca56364b30593297e60269c2881a179899b30660abe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01aa7e1f5720318361d3ca56364b30593297e60269c2881a179899b30660abe6", kill_on_drop: false }`
[INFO] [stdout] 01aa7e1f5720318361d3ca56364b30593297e60269c2881a179899b30660abe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+09335b6f1bff25ec39f47f1533e126fbe1ca5f5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39ca10702c028b3172e05a27ad4863c27a7cfc8a598a8a934a447f2d67ac9128
[INFO] running `Command { std: "docker" "start" "-a" "39ca10702c028b3172e05a27ad4863c27a7cfc8a598a8a934a447f2d67ac9128", kill_on_drop: false }`
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking lc3-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_v` is never used
[INFO] [stdout]   --> src/lc3/program.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 20 |     pub fn get_v(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lc3/hardware.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     R1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     R2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     R3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     R4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     R5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     R6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     RBAD
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_v` is never used
[INFO] [stdout]   --> src/lc3/program.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Instruction {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 20 |     pub fn get_v(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lc3/hardware.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Register {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 22 |     R1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 23 |     R2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     R3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 25 |     R4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     R5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     R6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     RBAD
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.92
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "39ca10702c028b3172e05a27ad4863c27a7cfc8a598a8a934a447f2d67ac9128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ca10702c028b3172e05a27ad4863c27a7cfc8a598a8a934a447f2d67ac9128", kill_on_drop: false }`
[INFO] [stdout] 39ca10702c028b3172e05a27ad4863c27a7cfc8a598a8a934a447f2d67ac9128