[INFO] fetching crate ross 0.1.7... [INFO] checking ross-0.1.7 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] extracting crate ross 0.1.7 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate ross 0.1.7 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ross 0.1.7 [INFO] finished tweaking crates.io crate ross 0.1.7 [INFO] tweaked toml for crates.io crate ross 0.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding crossbeam v0.2.12 (latest: v0.8.4) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.2) [INFO] [stderr] Adding owning_ref v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.3.8 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.2.14 (latest: v0.9.10) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.4) [INFO] [stderr] Adding smallvec v0.3.4 (latest: v1.13.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding statistical v0.1.1 (latest: v1.0.0) [INFO] [stderr] Adding thread-id v3.3.0 (latest: v4.2.2) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.36) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num v0.1.42 [INFO] [stderr] Downloaded num-bigint v0.1.44 [INFO] [stderr] Downloaded num-complex v0.1.43 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded utf8-ranges v1.0.5 [INFO] [stderr] Downloaded getopts v0.2.21 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded multiqueue v0.3.2 [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] [stderr] Downloaded parking_lot v0.3.8 [INFO] [stderr] Downloaded ucd-util v0.1.10 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded rustc-serialize v0.3.25 [INFO] [stderr] Downloaded regex-syntax v0.5.6 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded owning_ref v0.2.4 [INFO] [stderr] Downloaded smallvec v0.3.4 [INFO] [stderr] Downloaded statistical v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25ab02a0c0f5967709c604414289ff070c8ad3ccc0c824d09996c2e6ac3b73b6 [INFO] running `Command { std: "docker" "start" "-a" "25ab02a0c0f5967709c604414289ff070c8ad3ccc0c824d09996c2e6ac3b73b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25ab02a0c0f5967709c604414289ff070c8ad3ccc0c824d09996c2e6ac3b73b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25ab02a0c0f5967709c604414289ff070c8ad3ccc0c824d09996c2e6ac3b73b6", kill_on_drop: false }` [INFO] [stdout] 25ab02a0c0f5967709c604414289ff070c8ad3ccc0c824d09996c2e6ac3b73b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b3bfaa100ae61092f5084fc4731e2370e1cac747e4e5f1f434ed0cb8ab78bb2 [INFO] running `Command { std: "docker" "start" "-a" "8b3bfaa100ae61092f5084fc4731e2370e1cac747e4e5f1f434ed0cb8ab78bb2", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking smallvec v0.3.4 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking parking_lot v0.3.8 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking multiqueue v0.3.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking statistical v0.1.1 [INFO] [stderr] Checking ross v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [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" "8b3bfaa100ae61092f5084fc4731e2370e1cac747e4e5f1f434ed0cb8ab78bb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b3bfaa100ae61092f5084fc4731e2370e1cac747e4e5f1f434ed0cb8ab78bb2", kill_on_drop: false }` [INFO] [stdout] 8b3bfaa100ae61092f5084fc4731e2370e1cac747e4e5f1f434ed0cb8ab78bb2 [INFO] checking ross-0.1.7 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] extracting crate ross 0.1.7 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate ross 0.1.7 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ross 0.1.7 [INFO] finished tweaking crates.io crate ross 0.1.7 [INFO] tweaked toml for crates.io crate ross 0.1.7 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 44 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding crossbeam v0.2.12 (latest: v0.8.4) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.3) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.6) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.6) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.2) [INFO] [stderr] Adding owning_ref v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.3.8 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.2.14 (latest: v0.9.10) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.6) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.4) [INFO] [stderr] Adding smallvec v0.3.4 (latest: v1.13.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding statistical v0.1.1 (latest: v1.0.0) [INFO] [stderr] Adding thread-id v3.3.0 (latest: v4.2.2) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.36) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 939aa298ebaa46d7b5b81950dbc60fa02f412e5963ac821d36453fb25e86d5ca [INFO] running `Command { std: "docker" "start" "-a" "939aa298ebaa46d7b5b81950dbc60fa02f412e5963ac821d36453fb25e86d5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "939aa298ebaa46d7b5b81950dbc60fa02f412e5963ac821d36453fb25e86d5ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "939aa298ebaa46d7b5b81950dbc60fa02f412e5963ac821d36453fb25e86d5ca", kill_on_drop: false }` [INFO] [stdout] 939aa298ebaa46d7b5b81950dbc60fa02f412e5963ac821d36453fb25e86d5ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e28a894d2849b7e342296f725f65c6179ae8b4bf71ec4442704bf843554e24 [INFO] running `Command { std: "docker" "start" "-a" "e3e28a894d2849b7e342296f725f65c6179ae8b4bf71ec4442704bf843554e24", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking owning_ref v0.2.4 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking smallvec v0.3.4 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking parking_lot v0.3.8 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking multiqueue v0.3.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking statistical v0.1.1 [INFO] [stderr] Checking ross v0.1.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:49:36 [INFO] [stdout] | [INFO] [stdout] 49 | fn sanitize_id(id: &String) -> (String); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 49 - fn sanitize_id(id: &String) -> (String); [INFO] [stdout] 49 + fn sanitize_id(id: &String) -> String; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/io/seq.rs:116:36 [INFO] [stdout] | [INFO] [stdout] 116 | fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 116 - fn sanitize_id(id: &String) -> (String) { [INFO] [stdout] 116 + fn sanitize_id(id: &String) -> String { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.17s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [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" "e3e28a894d2849b7e342296f725f65c6179ae8b4bf71ec4442704bf843554e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e28a894d2849b7e342296f725f65c6179ae8b4bf71ec4442704bf843554e24", kill_on_drop: false }` [INFO] [stdout] e3e28a894d2849b7e342296f725f65c6179ae8b4bf71ec4442704bf843554e24