[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] checking dxganta/matching-engine against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdxganta%2Fmatching-engine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dxganta/matching-engine on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825f4d68ea3668c1d5adb3871716224f38e84791f34860663e58ba8208608b46
[INFO] running `Command { std: "docker" "start" "-a" "825f4d68ea3668c1d5adb3871716224f38e84791f34860663e58ba8208608b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825f4d68ea3668c1d5adb3871716224f38e84791f34860663e58ba8208608b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825f4d68ea3668c1d5adb3871716224f38e84791f34860663e58ba8208608b46", kill_on_drop: false }`
[INFO] [stdout] 825f4d68ea3668c1d5adb3871716224f38e84791f34860663e58ba8208608b46
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e8aec43ce52db04198889de733199679b3bd1c1eb1e810443327ee140782d3
[INFO] running `Command { std: "docker" "start" "-a" "54e8aec43ce52db04198889de733199679b3bd1c1eb1e810443327ee140782d3", kill_on_drop: false }`
[INFO] [stderr]     Checking 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<Trade> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `matching-engine` (bin "matching-engine" test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db/bin/rustc --crate-name matching_engine --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=becd448fe1f125cf -C extra-filename=-04f8df083a04d97e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `matching-engine` (bin "matching-engine"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db/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,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e5aac10f87fa3ef4 -C extra-filename=-cc27e56d7ba9c0bc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "54e8aec43ce52db04198889de733199679b3bd1c1eb1e810443327ee140782d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e8aec43ce52db04198889de733199679b3bd1c1eb1e810443327ee140782d3", kill_on_drop: false }`
[INFO] [stdout] 54e8aec43ce52db04198889de733199679b3bd1c1eb1e810443327ee140782d3
