[INFO] updating cached repository Nasafato/rusty-calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nasafato/rusty-calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nasafato/rusty-calc" "work/ex/clippy-test-run/sources/stable/gh/Nasafato/rusty-calc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Nasafato/rusty-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nasafato/rusty-calc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nasafato/rusty-calc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nasafato/rusty-calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 256f9d5bf0f7a924442a253c5c289393eea8a420
[INFO] sha for GitHub repo Nasafato/rusty-calc: 256f9d5bf0f7a924442a253c5c289393eea8a420
[INFO] validating manifest of Nasafato/rusty-calc 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 Nasafato/rusty-calc 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 Nasafato/rusty-calc
[INFO] finished frobbing Nasafato/rusty-calc
[INFO] frobbed toml for Nasafato/rusty-calc written to work/ex/clippy-test-run/sources/stable/gh/Nasafato/rusty-calc/Cargo.toml
[INFO] started frobbing Nasafato/rusty-calc
[INFO] finished frobbing Nasafato/rusty-calc
[INFO] frobbed toml for Nasafato/rusty-calc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Nasafato/rusty-calc/Cargo.toml
[INFO] crate Nasafato/rusty-calc 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 Nasafato/rusty-calc against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Nasafato/rusty-calc:/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] 157e39c1ffafc736b1b33aaaa91e05b25cc43d84ac2728cb3cf0ad70d22873d9
[INFO] running `"docker" "start" "-a" "157e39c1ffafc736b1b33aaaa91e05b25cc43d84ac2728cb3cf0ad70d22873d9"`
[INFO] [stderr]     Checking calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parser.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Parser{ tokens: tokens }
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `tokens`
[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/parser.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Parser{ tokens: tokens }
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^ help: replace it with: `tokens`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/tokenizer.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn from_char(c: &char) -> Result<Self, TokenizerError> {
[INFO] [stderr]    |                     ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/tokenizer.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     end = end+1;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: replace it with: `end += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/tokenizer.rs:128:25
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: token.clone().to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: &(*token).clone().to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: &str::clone(token).to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `calculator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/tokenizer.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn from_char(c: &char) -> Result<Self, TokenizerError> {
[INFO] [stderr]    |                     ^^^^^ help: consider passing by value instead: `char`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/tokenizer.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |                     end = end+1;
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: replace it with: `end += 1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/tokenizer.rs:128:25
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: token.clone().to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: &(*token).clone().to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 128 |                 string: &str::clone(token).to_string()
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `calculator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "157e39c1ffafc736b1b33aaaa91e05b25cc43d84ac2728cb3cf0ad70d22873d9"`
[INFO] running `"docker" "rm" "-f" "157e39c1ffafc736b1b33aaaa91e05b25cc43d84ac2728cb3cf0ad70d22873d9"`
[INFO] [stdout] 157e39c1ffafc736b1b33aaaa91e05b25cc43d84ac2728cb3cf0ad70d22873d9