[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 }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 36ff2b87c74734c7952cde720c90be9771ee1957 [INFO] checking MellowYarker/RustX against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMellowYarker%2FRustX" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MellowYarker/RustX on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MellowYarker/RustX [INFO] finished tweaking git repo https://github.com/MellowYarker/RustX [INFO] tweaked toml for git repo https://github.com/MellowYarker/RustX written to /workspace/builds/worker-1-tc1/source/Cargo.toml [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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded matches v0.1.8 [INFO] [stderr] Downloaded random-number v0.1.6 [INFO] [stderr] Downloaded tinyvec v1.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded random-number-macro-impl v0.1.5 [INFO] [stderr] Downloaded unicode-bidi v0.3.5 [INFO] [stderr] Downloaded colour v0.6.0 [INFO] [stderr] Downloaded phf v0.8.0 [INFO] [stderr] Downloaded crossterm_winapi v0.7.0 [INFO] [stderr] Downloaded signal-hook v0.1.17 [INFO] [stderr] Downloaded futures-executor v0.3.15 [INFO] [stderr] Downloaded cc v1.0.68 [INFO] [stderr] Downloaded crossterm v0.19.0 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded syn v1.0.72 [INFO] [stderr] Downloaded tokio-postgres v0.7.2 [INFO] [stderr] Downloaded nix v0.20.0 [INFO] [stderr] Downloaded combine v4.6.0 [INFO] [stderr] Downloaded rand v0.8.3 [INFO] [stderr] Downloaded futures v0.3.15 [INFO] [stderr] Downloaded redox_syscall v0.2.8 [INFO] [stderr] Downloaded postgres-protocol v0.6.1 [INFO] 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"1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 541585fce6ef7b9ad5c54fac86854545c8fc7324d3a12db62d3e20a4f5bbae32 [INFO] running `Command { std: "docker" "start" "-a" "541585fce6ef7b9ad5c54fac86854545c8fc7324d3a12db62d3e20a4f5bbae32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "541585fce6ef7b9ad5c54fac86854545c8fc7324d3a12db62d3e20a4f5bbae32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "541585fce6ef7b9ad5c54fac86854545c8fc7324d3a12db62d3e20a4f5bbae32", kill_on_drop: false }` [INFO] [stdout] 541585fce6ef7b9ad5c54fac86854545c8fc7324d3a12db62d3e20a4f5bbae32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba64835905752f3330dc823a5ba79bf66985a66e7ed67fc7a0bba89321193ea6 [INFO] running `Command { std: "docker" "start" "-a" "ba64835905752f3330dc823a5ba79bf66985a66e7ed67fc7a0bba89321193ea6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] 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v0.1.50 [INFO] [stderr] Checking cpufeatures v0.1.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking siphasher v0.3.5 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking combine v4.6.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking crypto-mac v0.10.0 [INFO] [stderr] 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v0.7.2 [INFO] [stderr] Checking postgres v0.19.1 [INFO] [stderr] Checking 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_price` is never read [INFO] [stdout] --> src/exchange.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | let mut new_price = None; // new price if trade occurs [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_price` is never read [INFO] [stdout] --> src/exchange.rs:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | let mut new_price = None; // new price if trade occurs [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` 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)]` 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] [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)]` 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 29.44s [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 1` [INFO] running `Command { std: "docker" "inspect" "ba64835905752f3330dc823a5ba79bf66985a66e7ed67fc7a0bba89321193ea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba64835905752f3330dc823a5ba79bf66985a66e7ed67fc7a0bba89321193ea6", kill_on_drop: false }` [INFO] [stdout] ba64835905752f3330dc823a5ba79bf66985a66e7ed67fc7a0bba89321193ea6