[INFO] updating cached repository Kerollmops/cargo-distant
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kerollmops/cargo-distant
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/cargo-distant" "work/ex/clippy-test-run/sources/stable/gh/Kerollmops/cargo-distant"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Kerollmops/cargo-distant'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/cargo-distant" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kerollmops/cargo-distant"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kerollmops/cargo-distant'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56776e24fc543e5dfaad885152fe6ffc1e2544b8
[INFO] sha for GitHub repo Kerollmops/cargo-distant: 56776e24fc543e5dfaad885152fe6ffc1e2544b8
[INFO] validating manifest of Kerollmops/cargo-distant 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 Kerollmops/cargo-distant 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 Kerollmops/cargo-distant
[INFO] finished frobbing Kerollmops/cargo-distant
[INFO] frobbed toml for Kerollmops/cargo-distant written to work/ex/clippy-test-run/sources/stable/gh/Kerollmops/cargo-distant/Cargo.toml
[INFO] started frobbing Kerollmops/cargo-distant
[INFO] finished frobbing Kerollmops/cargo-distant
[INFO] frobbed toml for Kerollmops/cargo-distant written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kerollmops/cargo-distant/Cargo.toml
[INFO] crate Kerollmops/cargo-distant 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 Kerollmops/cargo-distant against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Kerollmops/cargo-distant:/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] 7d2cf96f453e70dd5445bfd8586c3f0ef97d527c2b812ab1e335e9822c54279a
[INFO] running `"docker" "start" "-a" "7d2cf96f453e70dd5445bfd8586c3f0ef97d527c2b812ab1e335e9822c54279a"`
[INFO] [stderr]     Checking welder v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.0
[INFO] [stderr]     Checking structopt v0.2.0
[INFO] [stderr]     Checking cargo-distant v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
[INFO] [stderr]     |                     ^^^ help: consider using `_err` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
[INFO] [stderr]    |                 ^^^ help: consider using `_err` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate structopt;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:177:28
[INFO] [stderr]     |
[INFO] [stderr] 177 |                           .unwrap_or("xxx".into());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "xxx".into())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         matches.execute(pwd, build_args);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 Err(err) => panic!("Whoops no hostname found"),
[INFO] [stderr]     |                     ^^^ help: consider using `_err` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/main.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
[INFO] [stderr]    |                 ^^^ help: consider using `_err` instead
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/main.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |             Err(err) => format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain).into(),
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("$HOME/.cargo/bin/rustup run {} cargo", self.toolchain)`
[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: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/main.rs:177:28
[INFO] [stderr]     |
[INFO] [stderr] 177 |                           .unwrap_or("xxx".into());
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| "xxx".into())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |         matches.execute(pwd, build_args);
[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] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `"docker" "inspect" "7d2cf96f453e70dd5445bfd8586c3f0ef97d527c2b812ab1e335e9822c54279a"`
[INFO] running `"docker" "rm" "-f" "7d2cf96f453e70dd5445bfd8586c3f0ef97d527c2b812ab1e335e9822c54279a"`
[INFO] [stdout] 7d2cf96f453e70dd5445bfd8586c3f0ef97d527c2b812ab1e335e9822c54279a