[INFO] crate gitclass 0.8.0 is already in cache
[INFO] extracting crate gitclass 0.8.0 into work/ex/clippy-test-run/sources/stable/reg/gitclass/0.8.0
[INFO] extracting crate gitclass 0.8.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gitclass/0.8.0
[INFO] validating manifest of gitclass-0.8.0 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 gitclass-0.8.0 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 gitclass-0.8.0
[INFO] finished frobbing gitclass-0.8.0
[INFO] frobbed toml for gitclass-0.8.0 written to work/ex/clippy-test-run/sources/stable/reg/gitclass/0.8.0/Cargo.toml
[INFO] started frobbing gitclass-0.8.0
[INFO] finished frobbing gitclass-0.8.0
[INFO] frobbed toml for gitclass-0.8.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/gitclass/0.8.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 gitclass-0.8.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/gitclass/0.8.0:/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] 19fd4b51f68c6c4b137316406c2d24028df9bdf252290b7b1cf541a1e0a81fbf
[INFO] running `"docker" "start" "-a" "19fd4b51f68c6c4b137316406c2d24028df9bdf252290b7b1cf541a1e0a81fbf"`
[INFO] [stderr]     Checking gitclass v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         class_name: class_name,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `class_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         master_repo: master_repo,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `master_repo`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         description: description
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         repo: repo
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `repo`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         class_name: class_name,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `class_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         master_repo: master_repo,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `master_repo`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 139 |         description: description
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         name: name,
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         repo: repo
[INFO] [stderr]     |         ^^^^^^^^^^ help: replace it with: `repo`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | /     return Config {
[INFO] [stderr] 137 | |         class_name: class_name,
[INFO] [stderr] 138 | |         master_repo: master_repo,
[INFO] [stderr] 139 | |         description: description
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 136 |     Config {
[INFO] [stderr] 137 |         class_name: class_name,
[INFO] [stderr] 138 |         master_repo: master_repo,
[INFO] [stderr] 139 |         description: description
[INFO] [stderr] 140 |     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     return Student {
[INFO] [stderr] 157 | |         name: name,
[INFO] [stderr] 158 | |         repo: repo
[INFO] [stderr] 159 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Student {
[INFO] [stderr] 157 |         name: name,
[INFO] [stderr] 158 |         repo: repo
[INFO] [stderr] 159 |     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
[INFO] [stderr]     |             ^ help: consider using `_e` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latest_obj`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider using `_latest_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
[INFO] [stderr]     |             ^ help: consider using `_e` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         set_current_dir(name);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     repo.reset(&remote_obj,
[INFO] [stderr] 202 | |     git2::ResetType::Hard,
[INFO] [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
[INFO] [stderr] 204 | |         .force()
[INFO] [stderr] 205 | |         .remove_untracked(true)
[INFO] [stderr] 206 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 | /     return Config {
[INFO] [stderr] 137 | |         class_name: class_name,
[INFO] [stderr] 138 | |         master_repo: master_repo,
[INFO] [stderr] 139 | |         description: description
[INFO] [stderr] 140 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 136 |     Config {
[INFO] [stderr] 137 |         class_name: class_name,
[INFO] [stderr] 138 |         master_repo: master_repo,
[INFO] [stderr] 139 |         description: description
[INFO] [stderr] 140 |     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     return Student {
[INFO] [stderr] 157 | |         name: name,
[INFO] [stderr] 158 | |         repo: repo
[INFO] [stderr] 159 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]     |
[INFO] [stderr] 156 |     Student {
[INFO] [stderr] 157 |         name: name,
[INFO] [stderr] 158 |         repo: repo
[INFO] [stderr] 159 |     }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |         Err(e) => panic!("Couldn't open 'master' branch")
[INFO] [stderr]     |             ^ help: consider using `_e` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `latest_obj`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |     let latest_obj = repo.revparse_single("HEAD").ok();
[INFO] [stderr]     |         ^^^^^^^^^^ help: consider using `_latest_obj` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |         Err(e) => panic!("Couldn't find the remote ref")
[INFO] [stderr]     |             ^ help: consider using `_e` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/lib.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         set_current_dir(name);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     repo.reset(&remote_obj,
[INFO] [stderr] 202 | |     git2::ResetType::Hard,
[INFO] [stderr] 203 | |     Some(git2::build::CheckoutBuilder::new()
[INFO] [stderr] 204 | |         .force()
[INFO] [stderr] 205 | |         .remove_untracked(true)
[INFO] [stderr] 206 | |     ));
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_m`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
[INFO] [stderr]    |                 ^^^^^^ help: consider using `_init_m` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_m`
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
[INFO] [stderr]    |                 ^^^^^ help: consider using `_add_m` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up_m`
[INFO] [stderr]   --> src/main.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
[INFO] [stderr]    |                 ^^^^ help: consider using `_up_m` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `init_m`
[INFO] [stderr]   --> src/main.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     if let Some(init_m) = matches.subcommand_matches("init") {
[INFO] [stderr]    |                 ^^^^^^ help: consider using `_init_m` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `add_m`
[INFO] [stderr]   --> src/main.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |     if let Some(add_m) = matches.subcommand_matches("add") {
[INFO] [stderr]    |                 ^^^^^ help: consider using `_add_m` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up_m`
[INFO] [stderr]   --> src/main.rs:28:17
[INFO] [stderr]    |
[INFO] [stderr] 28 |     if let Some(up_m) = matches.subcommand_matches("update") {
[INFO] [stderr]    |                 ^^^^ help: consider using `_up_m` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.12s
[INFO] running `"docker" "inspect" "19fd4b51f68c6c4b137316406c2d24028df9bdf252290b7b1cf541a1e0a81fbf"`
[INFO] running `"docker" "rm" "-f" "19fd4b51f68c6c4b137316406c2d24028df9bdf252290b7b1cf541a1e0a81fbf"`
[INFO] [stdout] 19fd4b51f68c6c4b137316406c2d24028df9bdf252290b7b1cf541a1e0a81fbf