[INFO] cloning repository https://github.com/tedkimdev/rust-trading-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedkimdev/rust-trading-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedkimdev%2Frust-trading-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedkimdev%2Frust-trading-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37f49534cab4b1a3d9cecdf437bffa31b4f7e126
[INFO] fixing tedkimdev/rust-trading-system against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedkimdev%2Frust-trading-system" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tedkimdev/rust-trading-system
[INFO] finished tweaking git repo https://github.com/tedkimdev/rust-trading-system
[INFO] tweaked toml for git repo https://github.com/tedkimdev/rust-trading-system written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tedkimdev/rust-trading-system on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tedkimdev/rust-trading-system 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903
[INFO] running `Command { std: "docker" "start" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903", 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" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]     Checking trading_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/orderbook.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]    --> src/order.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn submit_order(order: Order) -> Result<MatchResult, TradingError> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trading_system` (test "invariant_tests") due to 1 previous error
[INFO] [stdout] warning: trait `OrderVecExt` is never used
[INFO] [stdout]    --> src/order.rs:377:7
[INFO] [stdout]     |
[INFO] [stdout] 377 | trait OrderVecExt {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `submit_order` is never used
[INFO] [stdout]    --> src/order.rs:428:4
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn submit_order(order: Order) -> Result<MatchResult, TradingError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_order` is never used
[INFO] [stdout]    --> src/order.rs:432:4
[INFO] [stdout]     |
[INFO] [stdout] 432 | fn validate_order(order: &Order) -> Result<(), ValidationError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_with_logging` is never used
[INFO] [stdout]   --> src/matching.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn process_with_logging<T>(engine: &mut T, order: Order)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompositeObserver` is never constructed
[INFO] [stdout]    --> src/orderbook.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | struct CompositeObserver {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add` are never used
[INFO] [stdout]    --> src/orderbook.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 362 | impl CompositeObserver {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 363 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 366 |     pub fn add(&mut self, observer: Box<dyn OrderBookObserver>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordingObserver` is never constructed
[INFO] [stdout]    --> src/orderbook.rs:398:8
[INFO] [stdout]     |
[INFO] [stdout] 398 | struct RecordingObserver {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/orderbook.rs:402:6
[INFO] [stdout]     |
[INFO] [stdout] 402 | enum Event {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `events` and `fill_count` are never used
[INFO] [stdout]    --> src/orderbook.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl RecordingObserver {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 409 |     pub fn events(&self) -> &[Event] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     pub fn fill_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found keyword `fn`
[INFO] [stdout]    --> tests/invariant_tests.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout]   5 |     fn orderbook_quantity_invariant {
[INFO] [stdout]     |     ^^ expected expression
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proptest-1.9.0/src/sugar.rs:225:6
[INFO] [stdout]     |
[INFO] [stdout] 225 |     ($config:expr, |($($parm:pat in $strategy:expr),+ $(,)?)| $body:expr) => { {
[INFO] [stdout]     |      ------------ while parsing argument for this `expr` macro fragment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `proptest:: prelude::*`
[INFO] [stdout]  --> tests/property_based_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use proptest:: prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/orderbook.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_order` is never used
[INFO] [stdout]   --> tests/orderbook_test.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn make_order(id: u64, side: Side, price: u64, qty: u64) -> Order {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order`
[INFO] [stdout]    --> src/order.rs:428:17
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn submit_order(order: Order) -> Result<MatchResult, TradingError> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_order`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OrderVecExt` is never used
[INFO] [stdout]    --> src/order.rs:377:7
[INFO] [stdout]     |
[INFO] [stdout] 377 | trait OrderVecExt {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `submit_order` is never used
[INFO] [stdout]    --> src/order.rs:428:4
[INFO] [stdout]     |
[INFO] [stdout] 428 | fn submit_order(order: Order) -> Result<MatchResult, TradingError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_order` is never used
[INFO] [stdout]    --> src/order.rs:432:4
[INFO] [stdout]     |
[INFO] [stdout] 432 | fn validate_order(order: &Order) -> Result<(), ValidationError> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_with_logging` is never used
[INFO] [stdout]   --> src/matching.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn process_with_logging<T>(engine: &mut T, order: Order)
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CompositeObserver` is never constructed
[INFO] [stdout]    --> src/orderbook.rs:358:8
[INFO] [stdout]     |
[INFO] [stdout] 358 | struct CompositeObserver {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add` are never used
[INFO] [stdout]    --> src/orderbook.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 362 | impl CompositeObserver {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] 363 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 366 |     pub fn add(&mut self, observer: Box<dyn OrderBookObserver>) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordingObserver` is never constructed
[INFO] [stdout]    --> src/orderbook.rs:398:8
[INFO] [stdout]     |
[INFO] [stdout] 398 | struct RecordingObserver {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Event` is never used
[INFO] [stdout]    --> src/orderbook.rs:402:6
[INFO] [stdout]     |
[INFO] [stdout] 402 | enum Event {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `events` and `fill_count` are never used
[INFO] [stdout]    --> src/orderbook.rs:409:12
[INFO] [stdout]     |
[INFO] [stdout] 408 | impl RecordingObserver {
[INFO] [stdout]     | ---------------------- methods in this implementation
[INFO] [stdout] 409 |     pub fn events(&self) -> &[Event] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     pub fn fill_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903", kill_on_drop: false }`
[INFO] [stdout] 07c8ec5036adf1e6d5535d5ea3da45a74478b464aab041ed3fc2bf82fe8d8903
