[INFO] crate prometheus 0.4.2 is already in cache
[INFO] extracting crate prometheus 0.4.2 into work/ex/clippy-test-run/sources/stable/reg/prometheus/0.4.2
[INFO] extracting crate prometheus 0.4.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/prometheus/0.4.2
[INFO] validating manifest of prometheus-0.4.2 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 prometheus-0.4.2 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 prometheus-0.4.2
[INFO] finished frobbing prometheus-0.4.2
[INFO] frobbed toml for prometheus-0.4.2 written to work/ex/clippy-test-run/sources/stable/reg/prometheus/0.4.2/Cargo.toml
[INFO] started frobbing prometheus-0.4.2
[INFO] finished frobbing prometheus-0.4.2
[INFO] frobbed toml for prometheus-0.4.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/prometheus/0.4.2/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 prometheus-0.4.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/prometheus/0.4.2:/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] fc706a1f6dd53b1bf818c5a43f2139df4e2cf4fa9a41df08010f840e3028a443
[INFO] running `"docker" "start" "-a" "fc706a1f6dd53b1bf818c5a43f2139df4e2cf4fa9a41df08010f840e3028a443"`
[INFO] [stderr]    Compiling prometheus v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/encoder/pb.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/encoder/text.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 write!(writer, "# HELP {} {}\n", name, escape_string(help, false))?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/encoder/text.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             write!(writer, "# TYPE {} {}\n", name, lowercase_type)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/histogram.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |             histogram: histogram,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `histogram`
[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: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/../proto/metrics.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![allow(clippy)]
[INFO] [stderr]   |          ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]   --> src/encoder/pb.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     #[cfg_attr(rustfmt, rustfmt_skip)]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::deprecated_cfg_attr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deprecated_cfg_attr
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/encoder/text.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 write!(writer, "# HELP {} {}\n", name, escape_string(help, false))?;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/encoder/text.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             write!(writer, "# TYPE {} {}\n", name, lowercase_type)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/histogram.rs:327:13
[INFO] [stderr]     |
[INFO] [stderr] 327 |             histogram: histogram,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `histogram`
[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: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/../proto/metrics.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![allow(clippy)]
[INFO] [stderr]   |          ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/../proto/metrics.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![allow(clippy)]
[INFO] [stderr]   |          ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `clippy` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/../proto/metrics.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![allow(clippy)]
[INFO] [stderr]   |          ^^^^^^ help: change it to: `clippy::all`
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `counter::CounterVecBuilder<P>`
[INFO] [stderr]    --> src/counter.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 | /     pub fn new() -> Self {
[INFO] [stderr] 115 | |         Self {
[INFO] [stderr] 116 | |             _phantom: PhantomData,
[INFO] [stderr] 117 | |         }
[INFO] [stderr] 118 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 109 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gauge::GaugeVecBuilder<P>`
[INFO] [stderr]    --> src/gauge.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 | /     pub fn new() -> Self {
[INFO] [stderr] 125 | |         Self {
[INFO] [stderr] 126 | |             _phantom: PhantomData,
[INFO] [stderr] 127 | |         }
[INFO] [stderr] 128 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 119 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `counter::CounterVecBuilder<P>`
[INFO] [stderr]    --> src/counter.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 | /     pub fn new() -> Self {
[INFO] [stderr] 115 | |         Self {
[INFO] [stderr] 116 | |             _phantom: PhantomData,
[INFO] [stderr] 117 | |         }
[INFO] [stderr] 118 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 109 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/desc.rs:279:18
[INFO] [stderr]     |
[INFO] [stderr] 279 |                 .expect(format!("expected error for {}", name).as_ref());
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("expected error for {}", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/desc.rs:294:18
[INFO] [stderr]     |
[INFO] [stderr] 294 |                 .expect(format!("expected error for {}", name).as_ref());
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("expected error for {}", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/desc.rs:307:18
[INFO] [stderr]     |
[INFO] [stderr] 307 |                 .expect(format!("expected error for {}", name).as_ref());
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("expected error for {}", name))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gauge::GaugeVecBuilder<P>`
[INFO] [stderr]    --> src/gauge.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 | /     pub fn new() -> Self {
[INFO] [stderr] 125 | |         Self {
[INFO] [stderr] 126 | |             _phantom: PhantomData,
[INFO] [stderr] 127 | |         }
[INFO] [stderr] 128 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 119 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> benches/atomic.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `prometheus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> benches/counter.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `prometheus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> benches/gauge.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | #![feature(test)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `prometheus`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fc706a1f6dd53b1bf818c5a43f2139df4e2cf4fa9a41df08010f840e3028a443"`
[INFO] running `"docker" "rm" "-f" "fc706a1f6dd53b1bf818c5a43f2139df4e2cf4fa9a41df08010f840e3028a443"`
[INFO] [stdout] fc706a1f6dd53b1bf818c5a43f2139df4e2cf4fa9a41df08010f840e3028a443