[INFO] fetching crate datagen 0.1.4... [INFO] checking datagen-0.1.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate datagen 0.1.4 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate datagen 0.1.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate datagen 0.1.4 [INFO] finished tweaking crates.io crate datagen 0.1.4 [INFO] tweaked toml for crates.io crate datagen 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate datagen 0.1.4 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-normalization v0.1.9 [INFO] [stderr] Downloaded ctor v0.1.12 [INFO] [stderr] Downloaded take_mut v0.2.2 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded generic-array v0.12.3 [INFO] [stderr] Downloaded typenum v1.11.2 [INFO] [stderr] Downloaded rle-decode-fast v1.0.1 [INFO] [stderr] Downloaded regex-automata v0.1.8 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded chrono v0.4.9 [INFO] [stderr] Downloaded pulldown-cmark v0.1.2 [INFO] [stderr] Downloaded syn v1.0.8 [INFO] [stderr] Downloaded fake v2.2.0 [INFO] [stderr] Downloaded serde_json v1.0.41 [INFO] [stderr] Downloaded serde v1.0.102 [INFO] [stderr] Downloaded cc v1.0.47 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded getrandom v0.1.13 [INFO] [stderr] Downloaded rand_distr v0.2.2 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded serde_derive v1.0.102 [INFO] [stderr] Downloaded yaml-rust v0.4.3 [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded libflate v0.1.27 [INFO] [stderr] Downloaded csv-core v0.1.6 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded csv v1.1.1 [INFO] [stderr] Downloaded failure-tools v4.0.3 [INFO] [stderr] Downloaded avro-rs v0.6.5 [INFO] [stderr] Downloaded autocfg v0.1.7 [INFO] [stderr] Downloaded num-traits v0.2.9 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded dtoa v0.4.4 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded version-sync v0.5.0 [INFO] [stderr] Downloaded adler32 v1.0.4 [INFO] [stderr] Downloaded bincode v1.2.0 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded bitflags v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2307a4c74e00e1b74960e97b0407b14d44c8ac6028089108d68a0e292a872c88 [INFO] running `Command { std: "docker" "start" "-a" "2307a4c74e00e1b74960e97b0407b14d44c8ac6028089108d68a0e292a872c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2307a4c74e00e1b74960e97b0407b14d44c8ac6028089108d68a0e292a872c88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2307a4c74e00e1b74960e97b0407b14d44c8ac6028089108d68a0e292a872c88", kill_on_drop: false }` [INFO] [stdout] 2307a4c74e00e1b74960e97b0407b14d44c8ac6028089108d68a0e292a872c88 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 507ff3a39827ee8d65a5370e676496c175509869d4ce29f1caf77386d33e792b [INFO] running `Command { std: "docker" "start" "-a" "507ff3a39827ee8d65a5370e676496c175509869d4ce29f1caf77386d33e792b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking yaml-rust v0.4.3 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking fake v2.2.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking version-sync v0.5.0 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking failure-tools v4.0.3 [INFO] [stderr] Checking avro-rs v0.6.5 [INFO] [stderr] Checking datagen v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fake::locales::EN` [INFO] [stdout] --> src/fakegen.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use fake::locales::EN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Uniform` [INFO] [stdout] --> src/fakegen.rs:9:40 [INFO] [stdout] | [INFO] [stdout] 9 | use rand_distr::{Distribution, Normal, Uniform}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fake::locales::EN` [INFO] [stdout] --> src/fakegen.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use fake::locales::EN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Uniform` [INFO] [stdout] --> src/fakegen.rs:9:40 [INFO] [stdout] | [INFO] [stdout] 9 | use rand_distr::{Distribution, Normal, Uniform}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/sinks/csv_sink.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CSVSink(Schema, csv::Writer); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CSVSink((), csv::Writer); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/sinks/json_sink.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct JsonSink(Schema, W, bool); [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | pub struct JsonSink((), W, bool); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | sink.start_array(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 108 | let _ = sink.start_array(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | sink.end_array(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = sink.end_array(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sinks/json_sink.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | if !self.2 { self.continue_object(); } else { self.2 = false; } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | if !self.2 { let _ = self.continue_object(); } else { self.2 = false; } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/sinks/csv_sink.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CSVSink(Schema, csv::Writer); [INFO] [stdout] | ------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | pub struct CSVSink((), csv::Writer); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sinks/json_sink.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | wrap_as_datagen_error(self.1.write(json_rec.as_bytes())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = wrap_as_datagen_error(self.1.write(json_rec.as_bytes())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/sinks/json_sink.rs:12:31 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct JsonSink(Schema, W, bool); [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 12 | pub struct JsonSink((), W, bool); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 108 | sink.start_array(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 108 | let _ = sink.start_array(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | sink.end_array(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 113 | let _ = sink.end_array(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sinks/json_sink.rs:46:30 [INFO] [stdout] | [INFO] [stdout] 46 | if !self.2 { self.continue_object(); } else { self.2 = false; } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | if !self.2 { let _ = self.continue_object(); } else { self.2 = false; } [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sinks/json_sink.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | wrap_as_datagen_error(self.1.write(json_rec.as_bytes())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = wrap_as_datagen_error(self.1.write(json_rec.as_bytes())); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | write_csv(writer, schema_path, num_records as i64, delimiter); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = write_csv(writer, schema_path, num_records as i64, delimiter); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write_avro(writer, schema_path, num_records as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = write_avro(writer, schema_path, num_records as i64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | write_json(writer, schema_path, num_records as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = write_json(writer, schema_path, num_records as i64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 31 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | write_csv(writer, schema_path, num_records as i64, delimiter); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = write_csv(writer, schema_path, num_records as i64, delimiter); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 44 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write_avro(writer, schema_path, num_records as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = write_avro(writer, schema_path, num_records as i64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = fs::create_dir_all(Path::new(&output_path).parent().unwrap()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | write_json(writer, schema_path, num_records as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = write_json(writer, schema_path, num_records as i64); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.76s [INFO] running `Command { std: "docker" "inspect" "507ff3a39827ee8d65a5370e676496c175509869d4ce29f1caf77386d33e792b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "507ff3a39827ee8d65a5370e676496c175509869d4ce29f1caf77386d33e792b", kill_on_drop: false }` [INFO] [stdout] 507ff3a39827ee8d65a5370e676496c175509869d4ce29f1caf77386d33e792b