[INFO] cloning repository https://github.com/JasonVranek/Flowrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JasonVranek/Flowrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2FFlowrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2FFlowrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3efff655fa0e86b9251feeb6991b1f7aba220d8a
[INFO] testing JasonVranek/Flowrs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasonVranek%2FFlowrs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JasonVranek/Flowrs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JasonVranek/Flowrs
[INFO] finished tweaking git repo https://github.com/JasonVranek/Flowrs
[INFO] tweaked toml for git repo https://github.com/JasonVranek/Flowrs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d16e4861ac223af86af02bd26d474c1362f804a507fac362ce0440ad79574e9b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d16e4861ac223af86af02bd26d474c1362f804a507fac362ce0440ad79574e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d16e4861ac223af86af02bd26d474c1362f804a507fac362ce0440ad79574e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d16e4861ac223af86af02bd26d474c1362f804a507fac362ce0440ad79574e9b", kill_on_drop: false }`
[INFO] [stdout] d16e4861ac223af86af02bd26d474c1362f804a507fac362ce0440ad79574e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02fef52ffd05d2329f9198d5a5317aeaf591d3a4dc734bbf9ccc3cca0ede702b
[INFO] running `Command { std: "docker" "start" "-a" "02fef52ffd05d2329f9198d5a5317aeaf591d3a4dc734bbf9ccc3cca0ede702b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-serde v0.3.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-serde-json v0.2.0
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling flow_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/order/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CustClosure = Box<Fn(f64) -> f64 + Send + Sync + 'static>;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/controller/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.25s
[INFO] running `Command { std: "docker" "inspect" "02fef52ffd05d2329f9198d5a5317aeaf591d3a4dc734bbf9ccc3cca0ede702b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fef52ffd05d2329f9198d5a5317aeaf591d3a4dc734bbf9ccc3cca0ede702b", kill_on_drop: false }`
[INFO] [stdout] 02fef52ffd05d2329f9198d5a5317aeaf591d3a4dc734bbf9ccc3cca0ede702b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b46b938add26b21232669aea2f9bcc7f4c81527672ddfebbb0791ce16c548b0c
[INFO] running `Command { std: "docker" "start" "-a" "b46b938add26b21232669aea2f9bcc7f4c81527672ddfebbb0791ce16c548b0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling flow_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/order/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CustClosure = Box<Fn(f64) -> f64 + Send + Sync + 'static>;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/controller/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `flow_rs::exchange::order_processing::*`
[INFO] [stdout]  --> tests/integration_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use flow_rs::exchange::order_processing::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_ask_order`
[INFO] [stdout]   --> tests/common/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn setup_ask_order() -> Order {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rand_coef_vector`
[INFO] [stdout]   --> tests/common/mod.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn rand_coef_vector() -> Vec<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_bid_enters`
[INFO] [stdout]   --> tests/common/mod.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn n_bid_enters(n: u32) -> Vec<Order> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `n_ask_enters`
[INFO] [stdout]   --> tests/common/mod.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn n_ask_enters(n: u32) -> Vec<Order> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> tests/integration_test.rs:26:2
[INFO] [stdout]    |
[INFO] [stdout] 26 |     book.add_order(bid);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/order/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | type CustClosure = Box<Fn(f64) -> f64 + Send + Sync + 'static>;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Send + Sync + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/controller/mod.rs:39:26
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "b46b938add26b21232669aea2f9bcc7f4c81527672ddfebbb0791ce16c548b0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46b938add26b21232669aea2f9bcc7f4c81527672ddfebbb0791ce16c548b0c", kill_on_drop: false }`
[INFO] [stdout] b46b938add26b21232669aea2f9bcc7f4c81527672ddfebbb0791ce16c548b0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f75cfd456309854af9cf9d4e8e28c3b301198ebd3d1e55a0c2709d4f91c89db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0f75cfd456309854af9cf9d4e8e28c3b301198ebd3d1e55a0c2709d4f91c89db", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/order/mod.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | type CustClosure = Box<Fn(f64) -> f64 + Send + Sync + 'static>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Send + Sync + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/order/mod.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | type CustClosure = Box<Fn(f64) -> f64 + Send + Sync + 'static>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64 + Send + Sync + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/controller/mod.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/controller/mod.rs:39:26
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub type AsyncTask = Box<Future<Item = (), Error = ()> + Send>;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = ()> + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `flow_rs::exchange::order_processing::*`
[INFO] [stderr]  --> tests/integration_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use flow_rs::exchange::order_processing::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `setup_ask_order`
[INFO] [stderr]   --> tests/common/mod.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn setup_ask_order() -> Order {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rand_coef_vector`
[INFO] [stderr]   --> tests/common/mod.rs:81:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn rand_coef_vector() -> Vec<f64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `n_bid_enters`
[INFO] [stderr]   --> tests/common/mod.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn n_bid_enters(n: u32) -> Vec<Order> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `n_ask_enters`
[INFO] [stderr]   --> tests/common/mod.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn n_ask_enters(n: u32) -> Vec<Order> {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> tests/integration_test.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     book.add_order(bid);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flow_rs-3275cb0f259bed33
[INFO] [stdout] running 12 tests
[INFO] [stdout] test order::tests::test_piecewise_supply ... ok
[INFO] [stdout] test order::tests::test_poly_clos_from_coef ... ok
[INFO] [stdout] test simulation::trader_behavior::tests::test_insert_traders ... ok
[INFO] [stdout] test exchange::auction::test_float_helpers ... ok
[INFO] [stdout] test order::tests::test_new_order ... ok
[INFO] [stdout] test exchange::order_book::tests::test_new_book ... ok
[INFO] [stdout] test order::tests::test_piecewise_demand ... ok
[INFO] [stdout] test exchange::auction::test_par_iter ... ok
[INFO] [stdout] test exchange::order_book::tests::test_book_mutex ... ok
[INFO] [stdout] test exchange::auction::test_min_max_float ... ok
[INFO] [stdout] test simulation::trader_behavior::tests::test_new_traders ... ok
[INFO] [stdout] Ran task
[INFO] [stdout] Mutated state after delay in different thread
[INFO] [stdout] Mutated state after delay
[INFO] [stdout] test controller::tests::test_new_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flow_rs-05bb72a08f0b46a4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-2627b2258cd4f16b
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test default_test ... ok
[INFO] [stdout] test test_add_order_to_book ... ok
[INFO] [stdout] test test_conc_queue_recv_order ... ok
[INFO] [stdout] test test_queue_pop_all ... ok
[INFO] [stdout] test test_update_order ... ok
[INFO] [stdout] test test_process_queue ... ok
[INFO] [stdout] Cancelling old min price
[INFO] [stdout] test test_cancel_order ... ok
[INFO] [stdout] test test_find_crossing_price ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flow_rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f75cfd456309854af9cf9d4e8e28c3b301198ebd3d1e55a0c2709d4f91c89db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f75cfd456309854af9cf9d4e8e28c3b301198ebd3d1e55a0c2709d4f91c89db", kill_on_drop: false }`
[INFO] [stdout] 0f75cfd456309854af9cf9d4e8e28c3b301198ebd3d1e55a0c2709d4f91c89db
