[INFO] updating cached repository philippkeller/rustup-toolchain-proxy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/philippkeller/rustup-toolchain-proxy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/philippkeller/rustup-toolchain-proxy" "work/ex/clippy-test-run/sources/stable/gh/philippkeller/rustup-toolchain-proxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/philippkeller/rustup-toolchain-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/philippkeller/rustup-toolchain-proxy" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/philippkeller/rustup-toolchain-proxy"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/philippkeller/rustup-toolchain-proxy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39c20035fa3c0866d43cfd15489faccdbf9dc02f
[INFO] sha for GitHub repo philippkeller/rustup-toolchain-proxy: 39c20035fa3c0866d43cfd15489faccdbf9dc02f
[INFO] validating manifest of philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy
[INFO] finished frobbing philippkeller/rustup-toolchain-proxy
[INFO] frobbed toml for philippkeller/rustup-toolchain-proxy written to work/ex/clippy-test-run/sources/stable/gh/philippkeller/rustup-toolchain-proxy/Cargo.toml
[INFO] started frobbing philippkeller/rustup-toolchain-proxy
[INFO] finished frobbing philippkeller/rustup-toolchain-proxy
[INFO] frobbed toml for philippkeller/rustup-toolchain-proxy written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/philippkeller/rustup-toolchain-proxy/Cargo.toml
[INFO] crate philippkeller/rustup-toolchain-proxy 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 philippkeller/rustup-toolchain-proxy 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/gh/philippkeller/rustup-toolchain-proxy:/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] 45919d1054b0a449ed74fab62ca378f23a9a490e9296fb06bdba93682fc1f4b7
[INFO] running `"docker" "start" "-a" "45919d1054b0a449ed74fab62ca378f23a9a490e9296fb06bdba93682fc1f4b7"`
[INFO] [stderr]     Checking rustup-toolchain-proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let home_dir = env::home_dir().expect("could not retrieve HOME var").to_str().expect("hm. utf8 error..?").to_string();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/lib.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let home_dir = env::home_dir().expect("could not retrieve HOME var").to_str().expect("hm. utf8 error..?").to_string();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 writer.write(s.replace("\n", "\r\n").as_bytes()).expect("cannot write line");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/lib.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |                 writer.write(s.replace("\n", "\r\n").as_bytes()).expect("cannot write line");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:107:82
[INFO] [stderr]     |
[INFO] [stderr] 107 |         .stdout(process::Stdio::piped()).stderr(process::Stdio::piped()).spawn().expect(&format!("could not execute {} {}", &command, &args));
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("could not execute {} {}", &command))`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]    --> src/lib.rs:107:82
[INFO] [stderr]     |
[INFO] [stderr] 107 |         .stdout(process::Stdio::piped()).stderr(process::Stdio::piped()).spawn().expect(&format!("could not execute {} {}", &command, &args));
[INFO] [stderr]     |                                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("could not execute {} {}", &command))`
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rustup-toolchain-proxy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `rustup-toolchain-proxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "45919d1054b0a449ed74fab62ca378f23a9a490e9296fb06bdba93682fc1f4b7"`
[INFO] running `"docker" "rm" "-f" "45919d1054b0a449ed74fab62ca378f23a9a490e9296fb06bdba93682fc1f4b7"`
[INFO] [stdout] 45919d1054b0a449ed74fab62ca378f23a9a490e9296fb06bdba93682fc1f4b7