[INFO] cloning repository https://github.com/MellowYarker/RustX
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MellowYarker/RustX" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36ff2b87c74734c7952cde720c90be9771ee1957
[INFO] testing MellowYarker/RustX against 1.99.0-beta.8 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
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[INFO] started tweaking git repo https://github.com/MellowYarker/RustX
[INFO] finished tweaking git repo https://github.com/MellowYarker/RustX
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[INFO] validating manifest of git repo https://github.com/MellowYarker/RustX on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MellowYarker/RustX 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exchange/market.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let mut lowest_offer = &mut (self.sell_orders.peek_mut().unwrap().0);
[INFO] [stdout]    |                         ----^^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_price` is never read
[INFO] [stdout]    --> src/exchange.rs:256:29
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut new_price = None; // new price if trade occurs
[INFO] [stdout]     |                             ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 296 |                 new_price = self.update_state(&order, users, buffers, exchange_event, conn);
[INFO] [stdout]     |                 --------------------------------------------------------------------------- `new_price` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |                                     let _ = &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     let _ = &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:381:29
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   &acc.print_user();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 381 |                             let _ = &acc.print_user();
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/account.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.pending.entry(symbol.clone().to_string()).or_insert(HashMap::new())
[INFO] [stdout]    |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.20.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling exchange v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exchange/market.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let mut lowest_offer = &mut (self.sell_orders.peek_mut().unwrap().0);
[INFO] [stdout]    |                         ----^^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `new_price` is never read
[INFO] [stdout]    --> src/exchange.rs:256:29
[INFO] [stdout]     |
[INFO] [stdout] 256 |         let mut new_price = None; // new price if trade occurs
[INFO] [stdout]     |                             ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 296 |                 new_price = self.update_state(&order, users, buffers, exchange_event, conn);
[INFO] [stdout]     |                 --------------------------------------------------------------------------- `new_price` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:262:37
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 262 |                                     let _ = &exchange.show_market(&order.symbol);
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:360:21
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 360 |                     let _ = &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/parser.rs:381:29
[INFO] [stdout]     |
[INFO] [stdout] 381 | ...                   &acc.print_user();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 381 |                             let _ = &acc.print_user();
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/account.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |         self.pending.entry(symbol.clone().to_string()).or_insert(HashMap::new())
[INFO] [stdout]    |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` 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: redis v0.20.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d", 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=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/exchange/market.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     let mut lowest_offer = &mut (self.sell_orders.peek_mut().unwrap().0);
[INFO] [stderr]    |                         ----^^^^^^^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `new_price` is never read
[INFO] [stderr]    --> src/exchange.rs:256:29
[INFO] [stderr]     |
[INFO] [stderr] 256 |         let mut new_price = None; // new price if trade occurs
[INFO] [stderr]     |                             ^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 296 |                 new_price = self.update_state(&order, users, buffers, exchange_event, conn);
[INFO] [stderr]     |                 --------------------------------------------------------------------------- `new_price` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/parser.rs:262:37
[INFO] [stderr]     |
[INFO] [stderr] 262 | ...                   &exchange.show_market(&order.symbol);
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 262 |                                     let _ = &exchange.show_market(&order.symbol);
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/parser.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |                     &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 360 |                     let _ = &exchange.simulate_market(&req, users, buffers, conn, redis_conn);
[INFO] [stderr]     |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/parser.rs:381:29
[INFO] [stderr]     |
[INFO] [stderr] 381 | ...                   &acc.print_user();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 381 |                             let _ = &acc.print_user();
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/account.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |         self.pending.entry(symbol.clone().to_string()).or_insert(HashMap::new())
[INFO] [stderr]    |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exchange` (bin "exchange" test) generated 6 warnings (run `cargo fix --bin "exchange" -p exchange --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.20.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exchange-1f38777b167756ea)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d", kill_on_drop: false }`
[INFO] [stdout] 124df2d2756416b75e62b3e01ee48f981931d0ac9fb850f7208a620477d39b7d
