[INFO] fetching crate datagen 0.1.4... [INFO] checking datagen-0.1.4 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363 [INFO] extracting crate datagen 0.1.4 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate datagen 0.1.4 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/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: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unicode-normalization v0.1.9 [INFO] [stderr] Downloaded output_vt100 v0.1.2 [INFO] [stderr] Downloaded pretty_assertions v0.6.1 [INFO] [stderr] Downloaded structopt v0.2.18 [INFO] [stderr] Downloaded ctor v0.1.12 [INFO] [stderr] Downloaded yaml-rust v0.4.3 [INFO] [stderr] Downloaded structopt-derive v0.2.18 [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] [stderr] Downloaded version-sync v0.5.0 [INFO] [stderr] Downloaded avro-rs v0.6.5 [INFO] [stderr] Downloaded pulldown-cmark v0.1.2 [INFO] [stderr] Downloaded num-traits v0.2.9 [INFO] [stderr] Downloaded failure-tools v4.0.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d633fa2ec332f503d146916b622a6c417cab649533368778591a435560059a83 [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" "d633fa2ec332f503d146916b622a6c417cab649533368778591a435560059a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d633fa2ec332f503d146916b622a6c417cab649533368778591a435560059a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d633fa2ec332f503d146916b622a6c417cab649533368778591a435560059a83", kill_on_drop: false }` [INFO] [stdout] d633fa2ec332f503d146916b622a6c417cab649533368778591a435560059a83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91d81ea31aadf30bb0a29b68860c205a643f0c478bf73fb577f1391991b7d7f1 [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" "91d81ea31aadf30bb0a29b68860c205a643f0c478bf73fb577f1391991b7d7f1", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking rle-decode-fast v1.0.1 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Compiling pulldown-cmark v0.1.2 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking memchr v2.2.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde_yaml v0.8.11 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking unicode-normalization v0.1.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking libflate v0.1.27 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking csv v1.1.1 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking rand_distr v0.2.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking version-sync v0.5.0 [INFO] [stderr] Checking fake v2.2.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [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: unused `std::result::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: `#[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: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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: `#[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: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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: `#[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: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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: `#[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: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 13s [INFO] running `Command { std: "docker" "inspect" "91d81ea31aadf30bb0a29b68860c205a643f0c478bf73fb577f1391991b7d7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91d81ea31aadf30bb0a29b68860c205a643f0c478bf73fb577f1391991b7d7f1", kill_on_drop: false }` [INFO] [stdout] 91d81ea31aadf30bb0a29b68860c205a643f0c478bf73fb577f1391991b7d7f1