[INFO] updating cached repository Shacham6/serde_training_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Shacham6/serde_training_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Shacham6/serde_training_rust" "work/ex/clippy-test-run/sources/stable/gh/Shacham6/serde_training_rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Shacham6/serde_training_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Shacham6/serde_training_rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Shacham6/serde_training_rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Shacham6/serde_training_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d [INFO] sha for GitHub repo Shacham6/serde_training_rust: d65da5df5decc3c0741b1d6c78a1b2cbfe74bd0d [INFO] validating manifest of Shacham6/serde_training_rust on toolchain stable [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Shacham6/serde_training_rust on toolchain stable+rustflags=-Dclippy::into_iter_on_array [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Shacham6/serde_training_rust [INFO] finished frobbing Shacham6/serde_training_rust [INFO] frobbed toml for Shacham6/serde_training_rust written to work/ex/clippy-test-run/sources/stable/gh/Shacham6/serde_training_rust/Cargo.toml [INFO] started frobbing Shacham6/serde_training_rust [INFO] finished frobbing Shacham6/serde_training_rust [INFO] frobbed toml for Shacham6/serde_training_rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Shacham6/serde_training_rust/Cargo.toml [INFO] crate Shacham6/serde_training_rust has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] linting Shacham6/serde_training_rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Shacham6/serde_training_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7eaa4ea360097ff179c3b53075002fcbca6782e2cf192039e0ee8d5c1d4db86c [INFO] running `"docker" "start" "-a" "7eaa4ea360097ff179c3b53075002fcbca6782e2cf192039e0ee8d5c1d4db86c"` [INFO] [stderr] Checking serde v1.0.18 [INFO] [stderr] Compiling serde_derive v1.0.18 [INFO] [stderr] Checking serde_json v1.0.5 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking serde_fun v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::vec::Vec` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::vec::Vec; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use serde_yaml::from_str as yaml_from_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/examples/json_example.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive` [INFO] [stderr] --> src/examples/json_example.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use serde_derive; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/examples/json_example.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/examples/json_example.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/examples/json_example.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Error` [INFO] [stderr] --> src/examples/json_example.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stderr] --> src/examples/json_example.rs:12:17 [INFO] [stderr] | [INFO] [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stderr] --> src/examples/json_example.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use serde_yaml::from_str as yaml_from_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/examples/yaml_example.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive` [INFO] [stderr] --> src/examples/yaml_example.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use serde_derive; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/examples/yaml_example.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::vec::Vec` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::vec::Vec; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use serde_yaml::from_str as yaml_from_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/examples/json_example.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive` [INFO] [stderr] --> src/examples/json_example.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use serde_derive; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/examples/json_example.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/examples/json_example.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/examples/json_example.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Error` [INFO] [stderr] --> src/examples/json_example.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `DeserializeOwned`, `Deserialize` [INFO] [stderr] --> src/examples/json_example.rs:12:17 [INFO] [stderr] | [INFO] [stderr] 12 | use serde::de::{Deserialize, DeserializeOwned}; [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_yaml::from_str as yaml_from_str` [INFO] [stderr] --> src/examples/json_example.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | use serde_yaml::from_str as yaml_from_str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/examples/yaml_example.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive` [INFO] [stderr] --> src/examples/yaml_example.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use serde_derive; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env::args` [INFO] [stderr] --> src/examples/yaml_example.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::env::args; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/examples/json_example.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | read_content_of_file_to_string(filepath.as_str(), &mut string); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/utils/io.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | / pub fn read_content_of_file<'a>(filepath: &'a str) -> Result { [INFO] [stderr] 12 | | let mut buffer = String::new(); [INFO] [stderr] 13 | | match read_content_of_file_to_string(filepath, &mut buffer) { [INFO] [stderr] 14 | | Ok(_) => Ok(buffer), [INFO] [stderr] 15 | | Err(error) => Err(error) [INFO] [stderr] 16 | | } [INFO] [stderr] 17 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/examples/json_example.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | read_content_of_file_to_string(filepath.as_str(), &mut string); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration) [INFO] [stderr] --> src/utils/io.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | / pub fn read_content_of_file<'a>(filepath: &'a str) -> Result { [INFO] [stderr] 12 | | let mut buffer = String::new(); [INFO] [stderr] 13 | | match read_content_of_file_to_string(filepath, &mut buffer) { [INFO] [stderr] 14 | | Ok(_) => Ok(buffer), [INFO] [stderr] 15 | | Err(error) => Err(error) [INFO] [stderr] 16 | | } [INFO] [stderr] 17 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_lifetimes)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.39s [INFO] running `"docker" "inspect" "7eaa4ea360097ff179c3b53075002fcbca6782e2cf192039e0ee8d5c1d4db86c"` [INFO] running `"docker" "rm" "-f" "7eaa4ea360097ff179c3b53075002fcbca6782e2cf192039e0ee8d5c1d4db86c"` [INFO] [stdout] 7eaa4ea360097ff179c3b53075002fcbca6782e2cf192039e0ee8d5c1d4db86c