[INFO] crate rusturn 0.0.2 is already in cache
[INFO] extracting crate rusturn 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/rusturn/0.0.2
[INFO] extracting crate rusturn 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusturn/0.0.2
[INFO] validating manifest of rusturn-0.0.2 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 rusturn-0.0.2 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 rusturn-0.0.2
[INFO] finished frobbing rusturn-0.0.2
[INFO] frobbed toml for rusturn-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/rusturn/0.0.2/Cargo.toml
[INFO] started frobbing rusturn-0.0.2
[INFO] finished frobbing rusturn-0.0.2
[INFO] frobbed toml for rusturn-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rusturn/0.0.2/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fibers_global v0.1.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rusturn-0.0.2 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/rusturn/0.0.2:/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] f09c5bcb580b09c726128f439a191134caa91a7405a096fd86b2c19d1c1a624d
[INFO] running `"docker" "start" "-a" "f09c5bcb580b09c726128f439a191134caa91a7405a096fd86b2c19d1c1a624d"`
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking factory v0.1.1
[INFO] [stderr]     Checking md5 v0.4.0
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking fibers v0.1.12
[INFO] [stderr]     Checking trackable v0.2.21
[INFO] [stderr]     Checking fibers_timeout_queue v0.1.0
[INFO] [stderr]     Checking fibers_global v0.1.1
[INFO] [stderr]     Checking bytecodec v0.4.11
[INFO] [stderr]     Checking fibers_transport v0.1.2
[INFO] [stderr]     Checking stun_codec v0.1.10
[INFO] [stderr]     Checking rustun v0.3.5
[INFO] [stderr]     Checking rusturn v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/core.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 | /                     match attr {
[INFO] [stderr] 144 | |                         Attribute::MessageIntegrity(a) => {
[INFO] [stderr] 145 | |                             track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 146 | |                         }
[INFO] [stderr] 147 | |                         _ => {}
[INFO] [stderr] 148 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     if let Attribute::MessageIntegrity(a) = attr {
[INFO] [stderr] 144 |     track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 145 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/core.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 | /                     match attr {
[INFO] [stderr] 183 | |                         Attribute::MessageIntegrity(a) => {
[INFO] [stderr] 184 | |                             track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 185 | |                         }
[INFO] [stderr] 186 | |                         _ => {}
[INFO] [stderr] 187 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     if let Attribute::MessageIntegrity(a) = attr {
[INFO] [stderr] 183 |     track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 184 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/client/core.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 | /             while let Async::Ready(data) = track!(self.channel_data_transporter.poll_recv())? {
[INFO] [stderr] 403 | |                 if let Some((_, data)) = data {
[INFO] [stderr] 404 | |                     let (peer, data) = track!(self.handle_channel_data(data))?;
[INFO] [stderr] 405 | |                     return Ok(Async::Ready(Some((peer, data))));
[INFO] [stderr] ...   |
[INFO] [stderr] 408 | |                 }
[INFO] [stderr] 409 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/core.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         track!(self.stun_channel.reply(client, Ok(response)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/server/core.rs:150:30
[INFO] [stderr]     |
[INFO] [stderr] 150 |           let channel_number = track_assert_some!(
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 151 | |             request.get_attribute::<ChannelNumber>(),
[INFO] [stderr] 152 | |             ErrorKind::InvalidInput
[INFO] [stderr] 153 | |         ).clone();
[INFO] [stderr]     | |_________________^
[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] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let channel_number = *(if let Some ( v ) = $ expr { v } else {
[INFO] [stderr] 151 | track_panic ! (
[INFO] [stderr] 152 | $ error_kind , "assertion failed: `{}.is_some()`" , stringify ! ( $ expr ) ) });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/core.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         track!(self.stun_channel.reply(client, Ok(response)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/server/core.rs:385:34
[INFO] [stderr]     |
[INFO] [stderr] 385 |                         .map(|x| x.0.clone())
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: try dereferencing it: `*x.0`
[INFO] [stderr]     |
[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: large size difference between variants
[INFO] [stderr]   --> src/turn_message.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Stun(stun::MessageDecoder<Attribute>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Stun(Box<stun::MessageDecoder<Attribute>>),
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/turn_message.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Stun(stun::MessageEncoder<Attribute>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Stun(Box<stun::MessageEncoder<Attribute>>),
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let _ = self.0.exit(result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusturn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/core.rs:143:21
[INFO] [stderr]     |
[INFO] [stderr] 143 | /                     match attr {
[INFO] [stderr] 144 | |                         Attribute::MessageIntegrity(a) => {
[INFO] [stderr] 145 | |                             track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 146 | |                         }
[INFO] [stderr] 147 | |                         _ => {}
[INFO] [stderr] 148 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 143 |                     if let Attribute::MessageIntegrity(a) = attr {
[INFO] [stderr] 144 |     track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 145 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client/core.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 | /                     match attr {
[INFO] [stderr] 183 | |                         Attribute::MessageIntegrity(a) => {
[INFO] [stderr] 184 | |                             track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 185 | |                         }
[INFO] [stderr] 186 | |                         _ => {}
[INFO] [stderr] 187 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 182 |                     if let Attribute::MessageIntegrity(a) = attr {
[INFO] [stderr] 183 |     track!(self.auth_params.validate(&a))?;
[INFO] [stderr] 184 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/client/core.rs:402:13
[INFO] [stderr]     |
[INFO] [stderr] 402 | /             while let Async::Ready(data) = track!(self.channel_data_transporter.poll_recv())? {
[INFO] [stderr] 403 | |                 if let Some((_, data)) = data {
[INFO] [stderr] 404 | |                     let (peer, data) = track!(self.handle_channel_data(data))?;
[INFO] [stderr] 405 | |                     return Ok(Async::Ready(Some((peer, data))));
[INFO] [stderr] ...   |
[INFO] [stderr] 408 | |                 }
[INFO] [stderr] 409 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/core.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |         track!(self.stun_channel.reply(client, Ok(response)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/server/core.rs:150:30
[INFO] [stderr]     |
[INFO] [stderr] 150 |           let channel_number = track_assert_some!(
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 151 | |             request.get_attribute::<ChannelNumber>(),
[INFO] [stderr] 152 | |             ErrorKind::InvalidInput
[INFO] [stderr] 153 | |         ).clone();
[INFO] [stderr]     | |_________________^
[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] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let channel_number = *(if let Some ( v ) = $ expr { v } else {
[INFO] [stderr] 151 | track_panic ! (
[INFO] [stderr] 152 | $ error_kind , "assertion failed: `{}.is_some()`" , stringify ! ( $ expr ) ) });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server/core.rs:167:9
[INFO] [stderr]     |
[INFO] [stderr] 167 |         track!(self.stun_channel.reply(client, Ok(response)));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/server/core.rs:385:34
[INFO] [stderr]     |
[INFO] [stderr] 385 |                         .map(|x| x.0.clone())
[INFO] [stderr]     |                                  ^^^^^^^^^^^ help: try dereferencing it: `*x.0`
[INFO] [stderr]     |
[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: large size difference between variants
[INFO] [stderr]   --> src/turn_message.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Stun(stun::MessageDecoder<Attribute>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Stun(Box<stun::MessageDecoder<Attribute>>),
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]   --> src/turn_message.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Stun(stun::MessageEncoder<Attribute>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Stun(Box<stun::MessageEncoder<Attribute>>),
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let _ = self.0.exit(result);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rusturn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f09c5bcb580b09c726128f439a191134caa91a7405a096fd86b2c19d1c1a624d"`
[INFO] running `"docker" "rm" "-f" "f09c5bcb580b09c726128f439a191134caa91a7405a096fd86b2c19d1c1a624d"`
[INFO] [stdout] f09c5bcb580b09c726128f439a191134caa91a7405a096fd86b2c19d1c1a624d