[INFO] updating cached repository PlasmaPower/curve25519-repl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PlasmaPower/curve25519-repl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/curve25519-repl" "work/ex/clippy-test-run/sources/stable/gh/PlasmaPower/curve25519-repl"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PlasmaPower/curve25519-repl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PlasmaPower/curve25519-repl" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PlasmaPower/curve25519-repl"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PlasmaPower/curve25519-repl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d3b05d7330048e7522b82fda14cd79676c56753
[INFO] sha for GitHub repo PlasmaPower/curve25519-repl: 7d3b05d7330048e7522b82fda14cd79676c56753
[INFO] validating manifest of PlasmaPower/curve25519-repl 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 PlasmaPower/curve25519-repl 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 PlasmaPower/curve25519-repl
[INFO] finished frobbing PlasmaPower/curve25519-repl
[INFO] frobbed toml for PlasmaPower/curve25519-repl written to work/ex/clippy-test-run/sources/stable/gh/PlasmaPower/curve25519-repl/Cargo.toml
[INFO] started frobbing PlasmaPower/curve25519-repl
[INFO] finished frobbing PlasmaPower/curve25519-repl
[INFO] frobbed toml for PlasmaPower/curve25519-repl written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PlasmaPower/curve25519-repl/Cargo.toml
[INFO] crate PlasmaPower/curve25519-repl 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 PlasmaPower/curve25519-repl against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/PlasmaPower/curve25519-repl:/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] 79631f63f733fdfd32219566d1b201ce2cfe6fcf0cc7e8d939139dc652ae6f08
[INFO] running `"docker" "start" "-a" "79631f63f733fdfd32219566d1b201ce2cfe6fcf0cc7e8d939139dc652ae6f08"`
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling curve25519-dalek v0.21.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking combine v3.6.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking curve25519-repl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/functions.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 | /                 return Err(format!(
[INFO] [stderr] 58 | |                     "tried to convert {} bytes into a scalar (needs 32 or 64 bytes)",
[INFO] [stderr] 59 | |                     b.len()
[INFO] [stderr] 60 | |                 ).into());
[INFO] [stderr]    | |__________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 Err(format!(
[INFO] [stderr] 58 |                     "tried to convert {} bytes into a scalar (needs 32 or 64 bytes)",
[INFO] [stderr] 59 |                     b.len()
[INFO] [stderr] 60 |                 ).into())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/functions.rs:102:16
[INFO] [stderr]     |
[INFO] [stderr] 102 |         val => return Err(format!("{} passed as length to {}", val.type_name(), func_name).into()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(format!("{} passed as length to {}", val.type_name(), func_name).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/functions.rs:136:16
[INFO] [stderr]     |
[INFO] [stderr] 136 |         arg => return Err(format!("attempted to slice {}", arg.type_name()).into()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(format!("attempted to slice {}", arg.type_name()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/functions.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 | /                 return Err(format!(
[INFO] [stderr] 58 | |                     "tried to convert {} bytes into a scalar (needs 32 or 64 bytes)",
[INFO] [stderr] 59 | |                     b.len()
[INFO] [stderr] 60 | |                 ).into());
[INFO] [stderr]    | |__________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 Err(format!(
[INFO] [stderr] 58 |                     "tried to convert {} bytes into a scalar (needs 32 or 64 bytes)",
[INFO] [stderr] 59 |                     b.len()
[INFO] [stderr] 60 |                 ).into())
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/functions.rs:102:16
[INFO] [stderr]     |
[INFO] [stderr] 102 |         val => return Err(format!("{} passed as length to {}", val.type_name(), func_name).into()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(format!("{} passed as length to {}", val.type_name(), func_name).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/functions.rs:136:16
[INFO] [stderr]     |
[INFO] [stderr] 136 |         arg => return Err(format!("attempted to slice {}", arg.type_name()).into()),
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(format!("attempted to slice {}", arg.type_name()).into())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/eval.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 if b > u32::max_value() as i64 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u32::max_value())`
[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] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/eval.rs:144:36
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 Ok(Value::Scalar(a * b.invert()))
[INFO] [stderr]     |                                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/functions.rs:96:44
[INFO] [stderr]    |
[INFO] [stderr] 96 |             if num.is_positive() && num <= (u32::max_value() as i64) {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u32::max_value())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/functions.rs:114:27
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let end = end.unwrap_or(b.len());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| b.len())`
[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: needlessly taken reference of left operand
[INFO] [stderr]    --> src/functions.rs:162:51
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (Value::Bytes(a), Value::Scalar(b)) => Ok(&a == b.as_bytes()),
[INFO] [stderr]     |                                                   --^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   help: use the left value directly: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/functions.rs:164:50
[INFO] [stderr]     |
[INFO] [stderr] 164 |         (Value::Bytes(a), Value::Point(b)) => Ok(&a == b.compress().as_bytes()),
[INFO] [stderr]     |                                                  --^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                  |
[INFO] [stderr]     |                                                  help: use the left value directly: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/functions.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     let mut out_len = 64;
[INFO] [stderr] 202 | |     if args.len() > 1 {
[INFO] [stderr] 203 | |         out_len = val_to_len(args.pop().unwrap(), name)?;
[INFO] [stderr] 204 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> out_len = if args.len() > 1 { val_to_len(args.pop().unwrap(), name)? } else { 64 };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:194:8
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:446:8
[INFO] [stderr]     |
[INFO] [stderr] 446 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:468:8
[INFO] [stderr]     |
[INFO] [stderr] 468 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/parser.rs:51:59
[INFO] [stderr]    |
[INFO] [stderr] 51 |     many::<String, _>(parser::char::hex_digit()).and_then(|s| hex::decode(s))
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `hex::decode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/parser.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if out.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `out.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/eval.rs:109:24
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 if b > u32::max_value() as i64 {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u32::max_value())`
[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] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/eval.rs:144:36
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 Ok(Value::Scalar(a * b.invert()))
[INFO] [stderr]     |                                    ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `curve25519-repl`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/functions.rs:96:44
[INFO] [stderr]    |
[INFO] [stderr] 96 |             if num.is_positive() && num <= (u32::max_value() as i64) {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i64::from(u32::max_value())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/functions.rs:114:27
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let end = end.unwrap_or(b.len());
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| b.len())`
[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: needlessly taken reference of left operand
[INFO] [stderr]    --> src/functions.rs:162:51
[INFO] [stderr]     |
[INFO] [stderr] 162 |         (Value::Bytes(a), Value::Scalar(b)) => Ok(&a == b.as_bytes()),
[INFO] [stderr]     |                                                   --^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   help: use the left value directly: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of left operand
[INFO] [stderr]    --> src/functions.rs:164:50
[INFO] [stderr]     |
[INFO] [stderr] 164 |         (Value::Bytes(a), Value::Point(b)) => Ok(&a == b.compress().as_bytes()),
[INFO] [stderr]     |                                                  --^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                  |
[INFO] [stderr]     |                                                  help: use the left value directly: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/functions.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 | /     let mut out_len = 64;
[INFO] [stderr] 202 | |     if args.len() > 1 {
[INFO] [stderr] 203 | |         out_len = val_to_len(args.pop().unwrap(), name)?;
[INFO] [stderr] 204 | |     }
[INFO] [stderr]     | |_____^ help: it is more idiomatic to write: `let <mut> out_len = if args.len() > 1 { val_to_len(args.pop().unwrap(), name)? } else { 64 };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:194:8
[INFO] [stderr]     |
[INFO] [stderr] 194 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:446:8
[INFO] [stderr]     |
[INFO] [stderr] 446 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/functions.rs:468:8
[INFO] [stderr]     |
[INFO] [stderr] 468 |     if args.len() < 1 || args.len() > 2 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `args.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/parser.rs:51:59
[INFO] [stderr]    |
[INFO] [stderr] 51 |     many::<String, _>(parser::char::hex_digit()).and_then(|s| hex::decode(s))
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `hex::decode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/parser.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |         if out.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `out.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `curve25519-repl`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "79631f63f733fdfd32219566d1b201ce2cfe6fcf0cc7e8d939139dc652ae6f08"`
[INFO] running `"docker" "rm" "-f" "79631f63f733fdfd32219566d1b201ce2cfe6fcf0cc7e8d939139dc652ae6f08"`
[INFO] [stdout] 79631f63f733fdfd32219566d1b201ce2cfe6fcf0cc7e8d939139dc652ae6f08