[INFO] crate packageurl 0.2.0 is already in cache
[INFO] extracting crate packageurl 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/packageurl/0.2.0
[INFO] extracting crate packageurl 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/packageurl/0.2.0
[INFO] validating manifest of packageurl-0.2.0 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 packageurl-0.2.0 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 packageurl-0.2.0
[INFO] finished frobbing packageurl-0.2.0
[INFO] frobbed toml for packageurl-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/packageurl/0.2.0/Cargo.toml
[INFO] started frobbing packageurl-0.2.0
[INFO] finished frobbing packageurl-0.2.0
[INFO] frobbed toml for packageurl-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/packageurl/0.2.0/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 packageurl-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/packageurl/0.2.0:/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] 4a3c9260dbe3dfe29f9094749b39ae9d7a4440f780f990088a7bfbfd050c37ca
[INFO] running `"docker" "start" "-a" "4a3c9260dbe3dfe29f9094749b39ae9d7a4440f780f990088a7bfbfd050c37ca"`
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking packageurl v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn parse_scheme<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn parse_subpath<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn parse_qualifiers<'a>(input: &str) -> errors::Result<(&str, Vec<(String, String)>)> {
[INFO] [stderr]    |                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn parse_version<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:58:35
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Ok((&input[..i], Some(input[i + 1..].to_string().into())))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `input[i + 1..].to_string()`
[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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn parse_type<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Ok((&input[i + 1..], input[..i].to_lowercase().into()))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `input[..i].to_lowercase()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn parse_name<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn parse_namespace<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 name = name.to_lowercase().into();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `name.to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:101:48
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 namespace = namespace.map(|ns| ns.to_lowercase().into());
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ns.to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:104:24
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 name = name.replace('_', "-").to_lowercase().into();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `name.replace('_', "-").to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/purl.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let ref mut it = items.iter().peekable();
[INFO] [stderr]     |             ----^^^^^^^^^^--------------------------- help: try: `let it = &mut items.iter().peekable();`
[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: statement can be reduced
[INFO] [stderr]    --> src/purl.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 &v.encode(USERINFO_ENCODE_SET).for_each(|s| url.push_str(s));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `v.encode(USERINFO_ENCODE_SET).for_each(|s| url.push_str(s));`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/purl.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let ref mut it = components.peekable();
[INFO] [stderr]     |             ----^^^^^^^^^^------------------------- help: try: `let it = &mut components.peekable();`
[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: `cfg_attr` is deprecated for rustfmt and got replaced by tool_attributes
[INFO] [stderr]  --> tests/spec/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn parse_scheme<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::extra_unused_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn parse_subpath<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn parse_qualifiers<'a>(input: &str) -> errors::Result<(&str, Vec<(String, String)>)> {
[INFO] [stderr]    |                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn parse_version<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                          ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:58:35
[INFO] [stderr]    |
[INFO] [stderr] 58 |             Ok((&input[..i], Some(input[i + 1..].to_string().into())))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `input[i + 1..].to_string()`
[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: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:64:23
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn parse_type<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/parser.rs:66:34
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Ok((&input[i + 1..], input[..i].to_lowercase().into()))
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `input[..i].to_lowercase()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:72:23
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn parse_name<'a>(input: &str) -> errors::Result<(&str, String)> {
[INFO] [stderr]    |                       ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this lifetime isn't used in the function definition
[INFO] [stderr]   --> src/parser.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn parse_namespace<'a>(input: &str) -> errors::Result<(&str, Option<String>)> {
[INFO] [stderr]    |                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 name = name.to_lowercase().into();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `name.to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:101:48
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 namespace = namespace.map(|ns| ns.to_lowercase().into());
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `ns.to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/purl.rs:104:24
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 name = name.replace('_', "-").to_lowercase().into();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `name.replace('_', "-").to_lowercase()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/purl.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let ref mut it = items.iter().peekable();
[INFO] [stderr]     |             ----^^^^^^^^^^--------------------------- help: try: `let it = &mut items.iter().peekable();`
[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: statement can be reduced
[INFO] [stderr]    --> src/purl.rs:173:17
[INFO] [stderr]     |
[INFO] [stderr] 173 |                 &v.encode(USERINFO_ENCODE_SET).for_each(|s| url.push_str(s));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `v.encode(USERINFO_ENCODE_SET).for_each(|s| url.push_str(s));`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_operation)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/purl.rs:190:17
[INFO] [stderr]     |
[INFO] [stderr] 190 |             let ref mut it = components.peekable();
[INFO] [stderr]     |             ----^^^^^^^^^^------------------------- help: try: `let it = &mut components.peekable();`
[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] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![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 `packageurl`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4a3c9260dbe3dfe29f9094749b39ae9d7a4440f780f990088a7bfbfd050c37ca"`
[INFO] running `"docker" "rm" "-f" "4a3c9260dbe3dfe29f9094749b39ae9d7a4440f780f990088a7bfbfd050c37ca"`
[INFO] [stdout] 4a3c9260dbe3dfe29f9094749b39ae9d7a4440f780f990088a7bfbfd050c37ca