[INFO] cloning repository https://github.com/dxganta/matching-engine [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dxganta/matching-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxganta%2Fmatching-engine", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxganta%2Fmatching-engine'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0654574d070c4cd0ad1a5024e5ca320b613397b [INFO] building dxganta/matching-engine against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxganta%2Fmatching-engine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dxganta/matching-engine on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dxganta/matching-engine [INFO] finished tweaking git repo https://github.com/dxganta/matching-engine [INFO] tweaked toml for git repo https://github.com/dxganta/matching-engine written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dxganta/matching-engine 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73426b2378952513968a0ff9dac95d02bfde40e6ddb53920aa6369dda2ec9ec0 [INFO] running `Command { std: "docker" "start" "-a" "73426b2378952513968a0ff9dac95d02bfde40e6ddb53920aa6369dda2ec9ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73426b2378952513968a0ff9dac95d02bfde40e6ddb53920aa6369dda2ec9ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73426b2378952513968a0ff9dac95d02bfde40e6ddb53920aa6369dda2ec9ec0", kill_on_drop: false }` [INFO] [stdout] 73426b2378952513968a0ff9dac95d02bfde40e6ddb53920aa6369dda2ec9ec0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a050db1672f136a3ceba1871725eda18c6ab826380c686d7603a0db34afcdb1 [INFO] running `Command { std: "docker" "start" "-a" "9a050db1672f136a3ceba1871725eda18c6ab826380c686d7603a0db34afcdb1", kill_on_drop: false }` [INFO] [stderr] Compiling matching-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `order` [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let order = Order::default(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_order` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrderBook` is never constructed [INFO] [stdout] --> src/order_book.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct OrderBook { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add_buy_order`, `add_sell_order`, `remove_buy_order`, `remove_sell_order`, and `process_limit_buy` are never used [INFO] [stdout] --> src/order_book.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 12 | impl OrderBook { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 13 | // add a buy order to the order book [INFO] [stdout] 14 | fn add_buy_order(&mut self, order:Order) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn add_sell_order(&mut self, order:Order) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn remove_buy_order(&mut self, ind:usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn remove_sell_order(&mut self, ind:usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | fn process_limit_buy(&mut self, mut order:Order) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `amount`, `price`, `id`, and `side` are never read [INFO] [stdout] --> src/order_book/order.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Order { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 4 | pub amount: u64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | pub price: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | pub id : String, [INFO] [stdout] | ^^ [INFO] [stdout] 7 | pub side : i8 [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Order` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Trade` is never constructed [INFO] [stdout] --> src/order_book/trade.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Trade { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/order_book/trade.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Trade { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 9 | pub fn new(taker_order_id:String, maker_order_id:String, amount:u64, price:u64) -> Trade { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `matching-engine` (bin "matching-engine"); 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name matching_engine --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=802369f6449180ec -C extra-filename=-1eb1bc450fc0528b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "9a050db1672f136a3ceba1871725eda18c6ab826380c686d7603a0db34afcdb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a050db1672f136a3ceba1871725eda18c6ab826380c686d7603a0db34afcdb1", kill_on_drop: false }` [INFO] [stdout] 9a050db1672f136a3ceba1871725eda18c6ab826380c686d7603a0db34afcdb1