[INFO] crate bulletproofs 1.0.0-pre.0 is already in cache
[INFO] extracting crate bulletproofs 1.0.0-pre.0 into work/ex/clippy-test-run/sources/stable/reg/bulletproofs/1.0.0-pre.0
[INFO] extracting crate bulletproofs 1.0.0-pre.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bulletproofs/1.0.0-pre.0
[INFO] validating manifest of bulletproofs-1.0.0-pre.0 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 bulletproofs-1.0.0-pre.0 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 bulletproofs-1.0.0-pre.0
[INFO] finished frobbing bulletproofs-1.0.0-pre.0
[INFO] frobbed toml for bulletproofs-1.0.0-pre.0 written to work/ex/clippy-test-run/sources/stable/reg/bulletproofs/1.0.0-pre.0/Cargo.toml
[INFO] started frobbing bulletproofs-1.0.0-pre.0
[INFO] finished frobbing bulletproofs-1.0.0-pre.0
[INFO] frobbed toml for bulletproofs-1.0.0-pre.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bulletproofs/1.0.0-pre.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 bulletproofs-1.0.0-pre.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/bulletproofs/1.0.0-pre.0:/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] eeda7ac14de26465f6bfd7f43570898d27ec7ceb5a2731ed8de2cc50df346920
[INFO] running `"docker" "start" "-a" "eeda7ac14de26465f6bfd7f43570898d27ec7ceb5a2731ed8de2cc50df346920"`
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking block-buffer v0.7.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sha3 v0.8.1
[INFO] [stderr]     Checking criterion v0.2.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling curve25519-dalek v1.0.3
[INFO] [stderr]     Checking merlin v1.0.2
[INFO] [stderr]     Checking bulletproofs v1.0.0-pre.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/inner_product_proof.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             L_vec: L_vec,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `L_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/inner_product_proof.rs:172:13
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/inner_product_proof.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |             L_vec: L_vec,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `L_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/inner_product_proof.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             R_vec: R_vec,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `R_vec`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let x = &poly_challenge.x;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let g = self.l_vec.iter().map(|l_i| minus_z - l_i);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let h = self
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:302:13
[INFO] [stderr]     |
[INFO] [stderr] 302 |         let x = transcript.challenge_scalar(b"x");
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let w = transcript.challenge_scalar(b"w");
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let c = Scalar::random(&mut rng);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:315:30
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let (x_sq, x_inv_sq, s) = self.ipp_proof.verification_scalars(n * m, transcript)?;
[INFO] [stderr]     |                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let a = self.ipp_proof.a;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |         let b = self.ipp_proof.b;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr]     |
[INFO] [stderr] 172 |             R_vec: R_vec,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `R_vec`
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let g = s.iter().map(|s_i| minus_z - a * s_i);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:330:13
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let h = s_inv
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let x = &poly_challenge.x;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let g = self.l_vec.iter().map(|l_i| minus_z - l_i);
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]   --> src/range_proof/messages.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let h = self
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:302:13
[INFO] [stderr]     |
[INFO] [stderr] 302 |         let x = transcript.challenge_scalar(b"x");
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 6th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:308:13
[INFO] [stderr]     |
[INFO] [stderr] 308 |         let w = transcript.challenge_scalar(b"w");
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 7th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let c = Scalar::random(&mut rng);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 8th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:315:30
[INFO] [stderr]     |
[INFO] [stderr] 315 |         let (x_sq, x_inv_sq, s) = self.ipp_proof.verification_scalars(n * m, transcript)?;
[INFO] [stderr]     |                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 9th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:318:13
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let a = self.ipp_proof.a;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 10th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:319:13
[INFO] [stderr]     |
[INFO] [stderr] 319 |         let b = self.ipp_proof.b;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 11th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:329:13
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let g = s.iter().map(|s_i| minus_z - a * s_i);
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 12th binding whose name is just one char
[INFO] [stderr]    --> src/range_proof/mod.rs:330:13
[INFO] [stderr]     |
[INFO] [stderr] 330 |         let h = s_inv
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(external_doc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bulletproofs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(external_doc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bulletproofs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "eeda7ac14de26465f6bfd7f43570898d27ec7ceb5a2731ed8de2cc50df346920"`
[INFO] running `"docker" "rm" "-f" "eeda7ac14de26465f6bfd7f43570898d27ec7ceb5a2731ed8de2cc50df346920"`
[INFO] [stdout] eeda7ac14de26465f6bfd7f43570898d27ec7ceb5a2731ed8de2cc50df346920