[INFO] crate pixel-sig 0.4.0 is already in cache
[INFO] checking pixel-sig-0.4.0 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate pixel-sig 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pixel-sig 0.4.0 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pixel-sig 0.4.0
[INFO] finished tweaking crates.io crate pixel-sig 0.4.0
[INFO] tweaked toml for crates.io crate pixel-sig 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc5190abf087656bec198aa377755e7803afbbd72cd660e29d31e0467f3ad5a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bc5190abf087656bec198aa377755e7803afbbd72cd660e29d31e0467f3ad5a5"`
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking amcl_wrapper v0.3.5
[INFO] [stderr]     Checking secret_sharing v0.2.0
[INFO] [stderr]     Checking pixel-sig v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::Error`
[INFO] [stderr]   --> src/errors.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use failure::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/keys.rs:243:40
[INFO] [stderr]     |
[INFO] [stderr] 243 |             sk_right_prime_prime[0] += (&path_factor * &r);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/keys.rs:393:14
[INFO] [stderr]     |
[INFO] [stderr] 393 |         d += (&path_factor * &r);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `from_node_num_to_path`
[INFO] [stderr]  --> src/signature.rs:9:52
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::util::{calculate_path_factor_using_t_l, from_node_num_to_path, GeneratorSet};
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `amcl_wrapper::field_elem::FieldElement`
[INFO] [stderr]  --> src/util.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use amcl_wrapper::field_elem::FieldElement;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GroupElement`
[INFO] [stderr]  --> src/threshold_sig.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stderr]   |                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `failure::Error`
[INFO] [stderr]   --> src/errors.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use failure::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/keys.rs:243:40
[INFO] [stderr]     |
[INFO] [stderr] 243 |             sk_right_prime_prime[0] += (&path_factor * &r);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/keys.rs:393:14
[INFO] [stderr]     |
[INFO] [stderr] 393 |         d += (&path_factor * &r);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]    --> src/keys.rs:486:21
[INFO] [stderr]     |
[INFO] [stderr] 486 |     use std::time::{Duration, Instant};
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `from_node_num_to_path`
[INFO] [stderr]  --> src/signature.rs:9:52
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::util::{calculate_path_factor_using_t_l, from_node_num_to_path, GeneratorSet};
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]    --> src/signature.rs:217:21
[INFO] [stderr]     |
[INFO] [stderr] 217 |     use std::time::{Duration, Instant};
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `amcl_wrapper::field_elem::FieldElement`
[INFO] [stderr]  --> src/util.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use amcl_wrapper::field_elem::FieldElement;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stderr]    --> src/threshold_sig.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |     use rand::rngs::ThreadRng;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GroupElementVector`
[INFO] [stderr]  --> src/keys.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stderr]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `T`
[INFO] [stderr]    --> src/keys.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     T: u128,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PrefixPoP` should have an upper case name
[INFO] [stderr]   --> src/keys.rs:93:7
[INFO] [stderr]    |
[INFO] [stderr] 93 | const PrefixPoP: &[u8] = b"PoP";
[INFO] [stderr]    |       ^^^^^^^^^ help: convert the identifier to upper case: `PREFIX_PO_P`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GroupElementVector`
[INFO] [stderr]  --> src/keys.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stderr]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GroupElement`
[INFO] [stderr]  --> src/threshold_sig.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stderr]   |                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set1`
[INFO] [stderr]    --> src/keys.rs:531:20
[INFO] [stderr]     |
[INFO] [stderr] 531 |         let (_, _, set1, _) = setup::<ThreadRng>(T1, "test_pixel", &mut rng, &mut db1).unwrap();
[INFO] [stderr]     |                    ^^^^ help: consider prefixing with an underscore: `_set1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set2`
[INFO] [stderr]    --> src/keys.rs:538:20
[INFO] [stderr]     |
[INFO] [stderr] 538 |         let (_, _, set2, _) = setup::<ThreadRng>(T2, "test_pixel", &mut rng, &mut db2).unwrap();
[INFO] [stderr]     |                    ^^^^ help: consider prefixing with an underscore: `_set2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/keys.rs:740:13
[INFO] [stderr]     |
[INFO] [stderr] 740 |         let l = calculate_l(T).unwrap();
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/keys.rs:742:17
[INFO] [stderr]     |
[INFO] [stderr] 742 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/keys.rs:793:17
[INFO] [stderr]     |
[INFO] [stderr] 793 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `set`
[INFO] [stderr]    --> src/signature.rs:220:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |         set: &SigkeyManager,
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_set`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/signature.rs:417:17
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/signature.rs:470:17
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/signature.rs:490:17
[INFO] [stderr]     |
[INFO] [stderr] 490 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `t` is never read
[INFO] [stderr]    --> src/signature.rs:528:17
[INFO] [stderr]     |
[INFO] [stderr] 528 |         let mut t = 1u128;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `secret_x`
[INFO] [stderr]    --> src/threshold_sig.rs:240:14
[INFO] [stderr]     |
[INFO] [stderr] 240 |         let (secret_x, signers) = trusted_party_SSS_keygen(threshold, total, &mut rng, &generators.0, &generators.1).unwrap();
[INFO] [stderr]     |              ^^^^^^^^ help: consider prefixing with an underscore: `_secret_x`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `T`
[INFO] [stderr]    --> src/keys.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     T: u128,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PrefixPoP` should have an upper case name
[INFO] [stderr]   --> src/keys.rs:93:7
[INFO] [stderr]    |
[INFO] [stderr] 93 | const PrefixPoP: &[u8] = b"PoP";
[INFO] [stderr]    |       ^^^^^^^^^ help: convert the identifier to upper case: `PREFIX_PO_P`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `"docker" "inspect" "bc5190abf087656bec198aa377755e7803afbbd72cd660e29d31e0467f3ad5a5"`
[INFO] running `"docker" "rm" "-f" "bc5190abf087656bec198aa377755e7803afbbd72cd660e29d31e0467f3ad5a5"`
[INFO] [stdout] bc5190abf087656bec198aa377755e7803afbbd72cd660e29d31e0467f3ad5a5