[INFO] updating cached repository aleozlx/aml-grade
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aleozlx/aml-grade
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/aml-grade" "work/ex/clippy-test-run/sources/stable/gh/aleozlx/aml-grade"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/aleozlx/aml-grade'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aleozlx/aml-grade" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aleozlx/aml-grade"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aleozlx/aml-grade'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b958474e065869e0b8ae731eb8c3e336e58427f7
[INFO] sha for GitHub repo aleozlx/aml-grade: b958474e065869e0b8ae731eb8c3e336e58427f7
[INFO] validating manifest of aleozlx/aml-grade 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 aleozlx/aml-grade 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 aleozlx/aml-grade
[INFO] finished frobbing aleozlx/aml-grade
[INFO] frobbed toml for aleozlx/aml-grade written to work/ex/clippy-test-run/sources/stable/gh/aleozlx/aml-grade/Cargo.toml
[INFO] started frobbing aleozlx/aml-grade
[INFO] finished frobbing aleozlx/aml-grade
[INFO] frobbed toml for aleozlx/aml-grade written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/aleozlx/aml-grade/Cargo.toml
[INFO] crate aleozlx/aml-grade 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 aleozlx/aml-grade 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/aleozlx/aml-grade:/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] 476741426bb019f0886ebc9a80dd1d8220cf30a9deec6eedd7f65658b5100cdf
[INFO] running `"docker" "start" "-a" "476741426bb019f0886ebc9a80dd1d8220cf30a9deec6eedd7f65658b5100cdf"`
[INFO] [stderr]    Compiling gio v0.5.0
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]     Checking glib v0.6.0
[INFO] [stderr]     Checking pango v0.5.0
[INFO] [stderr]     Checking gobject-subclass v0.2.0
[INFO] [stderr]     Checking aml-grade v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::BufReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::BufReader;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_weak`
[INFO] [stderr]   --> src/main.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |     listbox.bind_model(&model, clone!(window_weak => move |item| {
[INFO] [stderr]    |                                       ^^^^^^^^^^^ help: consider using `_window_weak` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/student.rs:134:57
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 Property::Boolean("selected", ..) => Ok(self.selected.borrow().clone().to_value()),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.selected.borrow()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/student.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         fn new(&self, obj: &Object) -> Box<ObjectImpl<Object>> {
[INFO] [stderr] 153 | |             RowData::init(obj)
[INFO] [stderr] 154 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |     str_components.extend(path.components().into_iter().map(|val| {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `path.components()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     match p.exists() {
[INFO] [stderr] 55 | |         true => Some(p),
[INFO] [stderr] 56 | |         false => None
[INFO] [stderr] 57 | |     }
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if p.exists() { Some(p) } else { None }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:165:29
[INFO] [stderr]     |
[INFO] [stderr] 165 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook1.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:182:29
[INFO] [stderr]     |
[INFO] [stderr] 182 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook2.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook3.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window_weak`
[INFO] [stderr]   --> src/main.rs:86:39
[INFO] [stderr]    |
[INFO] [stderr] 86 |     listbox.bind_model(&model, clone!(window_weak => move |item| {
[INFO] [stderr]    |                                       ^^^^^^^^^^^ help: consider using `_window_weak` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/student.rs:134:57
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 Property::Boolean("selected", ..) => Ok(self.selected.borrow().clone().to_value()),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.selected.borrow()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `new` usually return `Self`
[INFO] [stderr]    --> src/student.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 | /         fn new(&self, obj: &Object) -> Box<ObjectImpl<Object>> {
[INFO] [stderr] 153 | |             RowData::init(obj)
[INFO] [stderr] 154 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_ret_no_self)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_ret_no_self
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/student.rs:164:1
[INFO] [stderr]     |
[INFO] [stderr] 164 | / glib_wrapper! {
[INFO] [stderr] 165 | |     pub struct RowData(Object<imp::RowData>):
[INFO] [stderr] 166 | |         [Object => InstanceStruct<Object>];
[INFO] [stderr] 167 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | |     }
[INFO] [stderr] 171 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:45:27
[INFO] [stderr]    |
[INFO] [stderr] 45 |     str_components.extend(path.components().into_iter().map(|val| {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `path.components()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/main.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     match p.exists() {
[INFO] [stderr] 55 | |         true => Some(p),
[INFO] [stderr] 56 | |         false => None
[INFO] [stderr] 57 | |     }
[INFO] [stderr]    | |_____^ help: consider using an if/else expression: `if p.exists() { Some(p) } else { None }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:165:29
[INFO] [stderr]     |
[INFO] [stderr] 165 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook1.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:182:29
[INFO] [stderr]     |
[INFO] [stderr] 182 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook2.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         let ref jh = format!("http://localhost:8888/notebooks/{}/{}", line.unwrap(), notebook3.to_str().unwrap());
[INFO] [stderr]     |                         ----^^^^^^------------------------------------------------------------------------------------------------ help: try: `let jh = &$ crate :: fmt :: format ( format_args ! ( $ ( $ arg ) * ) );`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `"docker" "inspect" "476741426bb019f0886ebc9a80dd1d8220cf30a9deec6eedd7f65658b5100cdf"`
[INFO] running `"docker" "rm" "-f" "476741426bb019f0886ebc9a80dd1d8220cf30a9deec6eedd7f65658b5100cdf"`
[INFO] [stdout] 476741426bb019f0886ebc9a80dd1d8220cf30a9deec6eedd7f65658b5100cdf