[INFO] updating cached repository arnavb/bef93
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arnavb/bef93
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/bef93" "work/ex/clippy-test-run/sources/stable/gh/arnavb/bef93"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/arnavb/bef93'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arnavb/bef93" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arnavb/bef93"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arnavb/bef93'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec2ea908378dbd6f731b073ea688628460af2d88
[INFO] sha for GitHub repo arnavb/bef93: ec2ea908378dbd6f731b073ea688628460af2d88
[INFO] validating manifest of arnavb/bef93 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 arnavb/bef93 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 arnavb/bef93
[INFO] finished frobbing arnavb/bef93
[INFO] frobbed toml for arnavb/bef93 written to work/ex/clippy-test-run/sources/stable/gh/arnavb/bef93/Cargo.toml
[INFO] started frobbing arnavb/bef93
[INFO] finished frobbing arnavb/bef93
[INFO] frobbed toml for arnavb/bef93 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/arnavb/bef93/Cargo.toml
[INFO] crate arnavb/bef93 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 arnavb/bef93 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/arnavb/bef93:/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] 5638fa352d60368c6807d4069caf621a910aa4b5b3bb9a3eed6cb0b7811e58ed
[INFO] running `"docker" "start" "-a" "5638fa352d60368c6807d4069caf621a910aa4b5b3bb9a3eed6cb0b7811e58ed"`
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bef93 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bef93.rs:81:47
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     '0' ... '9' => stack.push(curr_char.to_digit(10).unwrap() as i64),
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(curr_char.to_digit(10).unwrap())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
[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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bef93.rs:290:10
[INFO] [stderr]     |
[INFO] [stderr] 290 |         .ok_or(format!("Unable to convert ASCII value {} to a char", value).into())
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("Unable to convert ASCII value {} to a char", value).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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/bef93.rs:81:47
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     '0' ... '9' => stack.push(curr_char.to_digit(10).unwrap() as i64),
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(curr_char.to_digit(10).unwrap())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:127:25
[INFO] [stderr]     |
[INFO] [stderr] 127 |                         write!(output_handle, "{}", stack.pop().unwrap_or(0));
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/bef93.rs:133:25
[INFO] [stderr]     |
[INFO] [stderr] 133 |                         write!(output_handle, "{}", convert_int_to_char(stack.pop().unwrap_or(0))?);
[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: use of `ok_or` followed by a function call
[INFO] [stderr]    --> src/bef93.rs:290:10
[INFO] [stderr]     |
[INFO] [stderr] 290 |         .ok_or(format!("Unable to convert ASCII value {} to a char", value).into())
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `ok_or_else(|| format!("Unable to convert ASCII value {} to a char", value).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]     Finished dev [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `"docker" "inspect" "5638fa352d60368c6807d4069caf621a910aa4b5b3bb9a3eed6cb0b7811e58ed"`
[INFO] running `"docker" "rm" "-f" "5638fa352d60368c6807d4069caf621a910aa4b5b3bb9a3eed6cb0b7811e58ed"`
[INFO] [stdout] 5638fa352d60368c6807d4069caf621a910aa4b5b3bb9a3eed6cb0b7811e58ed