[INFO] updating cached repository samirm/Conma
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samirm/Conma
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samirm/Conma" "work/ex/clippy-test-run/sources/stable/gh/samirm/Conma"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/samirm/Conma'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samirm/Conma" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/samirm/Conma"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/samirm/Conma'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2edc9759c04f3eea6d95c69ed328ff86c86a9e35
[INFO] sha for GitHub repo samirm/Conma: 2edc9759c04f3eea6d95c69ed328ff86c86a9e35
[INFO] validating manifest of samirm/Conma 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 samirm/Conma 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 samirm/Conma
[INFO] finished frobbing samirm/Conma
[INFO] frobbed toml for samirm/Conma written to work/ex/clippy-test-run/sources/stable/gh/samirm/Conma/Cargo.toml
[INFO] started frobbing samirm/Conma
[INFO] finished frobbing samirm/Conma
[INFO] frobbed toml for samirm/Conma written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/samirm/Conma/Cargo.toml
[INFO] crate samirm/Conma 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 samirm/Conma against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/samirm/Conma:/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] 850bdcf261b07ad5da1359059d698ff28dd2b2af264df310ad44e346ce055008
[INFO] running `"docker" "start" "-a" "850bdcf261b07ad5da1359059d698ff28dd2b2af264df310ad44e346ce055008"`
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking gg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     return new_timezone;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_timezone`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     return fs::read_to_string(filepath).expect("reading file went wrong.");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fs::read_to_string(filepath).expect("reading file went wrong.")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_timezone` is never read
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     current_timezone = check_timezone(current_timezone);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     |                        ^^^^ help: consider using `_name` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tier`
[INFO] [stderr]    --> src/main.rs:105:36
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     |                                    ^^^^ help: consider using `_tier` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     return new_timezone;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_timezone`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     return fs::read_to_string(filepath).expect("reading file went wrong.");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `fs::read_to_string(filepath).expect("reading file went wrong.")`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Two`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Two,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/main.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_contact`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn update_contact(contacts: &mut HashMap<Person, Date<Local>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_contact_tier`
[INFO] [stderr]    --> src/main.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `current_timezone` is never read
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     current_timezone = check_timezone(current_timezone);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/main.rs:105:24
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     |                        ^^^^ help: consider using `_name` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tier`
[INFO] [stderr]    --> src/main.rs:105:36
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     |                                    ^^^^ help: consider using `_tier` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Two`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Two,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/main.rs:15:2
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_contact`
[INFO] [stderr]   --> src/main.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn update_contact(contacts: &mut HashMap<Person, Date<Local>>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_contact_tier`
[INFO] [stderr]    --> src/main.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn update_contact_tier(name: &str, tier: Tier) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "850bdcf261b07ad5da1359059d698ff28dd2b2af264df310ad44e346ce055008"`
[INFO] running `"docker" "rm" "-f" "850bdcf261b07ad5da1359059d698ff28dd2b2af264df310ad44e346ce055008"`
[INFO] [stdout] 850bdcf261b07ad5da1359059d698ff28dd2b2af264df310ad44e346ce055008