[INFO] updating cached repository RCasatta/small-signatures
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RCasatta/small-signatures
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RCasatta/small-signatures" "work/ex/clippy-test-run/sources/stable/gh/RCasatta/small-signatures"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/RCasatta/small-signatures'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RCasatta/small-signatures" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/small-signatures"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/small-signatures'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e93eb83450c31e81c46cb1357800a8f24c6d2e70
[INFO] sha for GitHub repo RCasatta/small-signatures: e93eb83450c31e81c46cb1357800a8f24c6d2e70
[INFO] validating manifest of RCasatta/small-signatures 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 RCasatta/small-signatures 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 RCasatta/small-signatures
[INFO] finished frobbing RCasatta/small-signatures
[INFO] frobbed toml for RCasatta/small-signatures written to work/ex/clippy-test-run/sources/stable/gh/RCasatta/small-signatures/Cargo.toml
[INFO] started frobbing RCasatta/small-signatures
[INFO] finished frobbing RCasatta/small-signatures
[INFO] frobbed toml for RCasatta/small-signatures written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/RCasatta/small-signatures/Cargo.toml
[INFO] crate RCasatta/small-signatures 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 RCasatta/small-signatures 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/RCasatta/small-signatures:/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] 66a92f3b0e5fa28d2487ef2ce4a57b20e3a1945b43f3475c981063ea54607ce2
[INFO] running `"docker" "start" "-a" "66a92f3b0e5fa28d2487ef2ce4a57b20e3a1945b43f3475c981063ea54607ce2"`
[INFO] [stderr]    Compiling secp256k1 v0.7.1
[INFO] [stderr]     Checking small-signature v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     return [b1, b2, b3, b4, b5, b6, b7, b8]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[b1, b2, b3, b4, b5, b6, b7, b8]`
[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] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     return [b1, b2, b3, b4, b5, b6, b7, b8]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[b1, b2, b3, b4, b5, b6, b7, b8]`
[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] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:33:35
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let secs : f64 = (dur.subsec_nanos() as f64 / 1_000_000_000f64)+dur.as_secs() as f64;
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dur.subsec_nanos())`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             i=i+1;
[INFO] [stderr]    |             ^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/main.rs:64:46
[INFO] [stderr]    |
[INFO] [stderr] 64 |         assert_eq!(ffi::secp256k1_ecdsa_sign(context, &mut ret, msg.as_ptr(),
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:55:47
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn sign(msg: &Message, sk: &SecretKey, i: &u64, context: *mut Context)
[INFO] [stderr]    |                                               ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `small-signature`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:33:35
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let secs : f64 = (dur.subsec_nanos() as f64 / 1_000_000_000f64)+dur.as_secs() as f64;
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(dur.subsec_nanos())`
[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |             i=i+1;
[INFO] [stderr]    |             ^^^^^ help: replace it with: `i += 1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/main.rs:64:46
[INFO] [stderr]    |
[INFO] [stderr] 64 |         assert_eq!(ffi::secp256k1_ecdsa_sign(context, &mut ret, msg.as_ptr(),
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:55:47
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn sign(msg: &Message, sk: &SecretKey, i: &u64, context: *mut Context)
[INFO] [stderr]    |                                               ^^^^ help: consider passing by value instead: `u64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `small-signature`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "66a92f3b0e5fa28d2487ef2ce4a57b20e3a1945b43f3475c981063ea54607ce2"`
[INFO] running `"docker" "rm" "-f" "66a92f3b0e5fa28d2487ef2ce4a57b20e3a1945b43f3475c981063ea54607ce2"`
[INFO] [stdout] 66a92f3b0e5fa28d2487ef2ce4a57b20e3a1945b43f3475c981063ea54607ce2