[INFO] fetching crate pixel-sig 0.4.0...
[INFO] testing pixel-sig-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pixel-sig 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pixel-sig 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded amcl_wrapper v0.3.5
[INFO] [stderr]   Downloaded secret_sharing v0.2.0
[INFO] [stderr]   Downloaded miracl_amcl v3.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d22ade97d3e3c1ad9d47a14b0727bf490bb745f7558e530220fa31b47e067ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d22ade97d3e3c1ad9d47a14b0727bf490bb745f7558e530220fa31b47e067ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d22ade97d3e3c1ad9d47a14b0727bf490bb745f7558e530220fa31b47e067ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d22ade97d3e3c1ad9d47a14b0727bf490bb745f7558e530220fa31b47e067ae", kill_on_drop: false }`
[INFO] [stdout] 6d22ade97d3e3c1ad9d47a14b0727bf490bb745f7558e530220fa31b47e067ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d0ac2236c82e0ed6d0222254657df9207aea70df230d69c3c8df84d29adb11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d5d0ac2236c82e0ed6d0222254657df9207aea70df230d69c3c8df84d29adb11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling miracl_amcl v3.2.5
[INFO] [stderr]    Compiling subtle-encoding v0.5.1
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling amcl_wrapper v0.3.5
[INFO] [stderr]    Compiling secret_sharing v0.2.0
[INFO] [stderr]    Compiling pixel-sig v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]   --> src/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use failure::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |             sk_right_prime_prime[0] += (&path_factor * &r);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:393:14
[INFO] [stdout]     |
[INFO] [stdout] 393 |         d += (&path_factor * &r);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_node_num_to_path`
[INFO] [stdout]  --> src/signature.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::util::{calculate_path_factor_using_t_l, from_node_num_to_path, GeneratorSet};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `amcl_wrapper::field_elem::FieldElement`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use amcl_wrapper::field_elem::FieldElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElementVector`
[INFO] [stdout]  --> src/keys.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElement`
[INFO] [stdout]  --> src/threshold_sig.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `T`
[INFO] [stdout]    --> src/keys.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     T: u128,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PrefixPoP` should have an upper case name
[INFO] [stdout]   --> src/keys.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | const PrefixPoP: &[u8] = b"PoP";
[INFO] [stdout]    |       ^^^^^^^^^ help: convert the identifier to upper case: `PREFIX_PO_P`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.95s
[INFO] running `Command { std: "docker" "inspect" "d5d0ac2236c82e0ed6d0222254657df9207aea70df230d69c3c8df84d29adb11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d0ac2236c82e0ed6d0222254657df9207aea70df230d69c3c8df84d29adb11", kill_on_drop: false }`
[INFO] [stdout] d5d0ac2236c82e0ed6d0222254657df9207aea70df230d69c3c8df84d29adb11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf8d4fae6763f0a9e6123f9b141f9e50c7d3b4dd8c3f06e1779fd32b3a9940f6
[INFO] running `Command { std: "docker" "start" "-a" "bf8d4fae6763f0a9e6123f9b141f9e50c7d3b4dd8c3f06e1779fd32b3a9940f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling pixel-sig v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]   --> src/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use failure::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |             sk_right_prime_prime[0] += (&path_factor * &r);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:393:14
[INFO] [stdout]     |
[INFO] [stdout] 393 |         d += (&path_factor * &r);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_node_num_to_path`
[INFO] [stdout]  --> src/signature.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::util::{calculate_path_factor_using_t_l, from_node_num_to_path, GeneratorSet};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `amcl_wrapper::field_elem::FieldElement`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use amcl_wrapper::field_elem::FieldElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElementVector`
[INFO] [stdout]  --> src/keys.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElement`
[INFO] [stdout]  --> src/threshold_sig.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `T`
[INFO] [stdout]    --> src/keys.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     T: u128,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PrefixPoP` should have an upper case name
[INFO] [stdout]   --> src/keys.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | const PrefixPoP: &[u8] = b"PoP";
[INFO] [stdout]    |       ^^^^^^^^^ help: convert the identifier to upper case: `PREFIX_PO_P`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `failure::Error`
[INFO] [stdout]   --> src/errors.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use failure::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |             sk_right_prime_prime[0] += (&path_factor * &r);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/keys.rs:393:14
[INFO] [stdout]     |
[INFO] [stdout] 393 |         d += (&path_factor * &r);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> src/keys.rs:486:21
[INFO] [stdout]     |
[INFO] [stdout] 486 |     use std::time::{Duration, Instant};
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_node_num_to_path`
[INFO] [stdout]  --> src/signature.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::util::{calculate_path_factor_using_t_l, from_node_num_to_path, GeneratorSet};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]    --> src/signature.rs:217:21
[INFO] [stdout]     |
[INFO] [stdout] 217 |     use std::time::{Duration, Instant};
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `amcl_wrapper::field_elem::FieldElement`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use amcl_wrapper::field_elem::FieldElement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]    --> src/threshold_sig.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use rand::rngs::ThreadRng;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElementVector`
[INFO] [stdout]  --> src/keys.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GroupElement`
[INFO] [stdout]  --> src/threshold_sig.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::group_elem::{GroupElement, GroupElementVector};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set1`
[INFO] [stdout]    --> src/keys.rs:531:20
[INFO] [stdout]     |
[INFO] [stdout] 531 |         let (_, _, set1, _) = setup::<ThreadRng>(T1, "test_pixel", &mut rng, &mut db1).unwrap();
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_set1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set2`
[INFO] [stdout]    --> src/keys.rs:538:20
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let (_, _, set2, _) = setup::<ThreadRng>(T2, "test_pixel", &mut rng, &mut db2).unwrap();
[INFO] [stdout]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_set2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/keys.rs:740:13
[INFO] [stdout]     |
[INFO] [stdout] 740 |         let l = calculate_l(T).unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/keys.rs:742:17
[INFO] [stdout]     |
[INFO] [stdout] 742 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/keys.rs:793:17
[INFO] [stdout]     |
[INFO] [stdout] 793 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `set`
[INFO] [stdout]    --> src/signature.rs:220:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |         set: &SigkeyManager,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/signature.rs:417:17
[INFO] [stdout]     |
[INFO] [stdout] 417 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/signature.rs:470:17
[INFO] [stdout]     |
[INFO] [stdout] 470 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/signature.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `t` is never read
[INFO] [stdout]    --> src/signature.rs:528:17
[INFO] [stdout]     |
[INFO] [stdout] 528 |         let mut t = 1u128;
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `secret_x`
[INFO] [stdout]    --> src/threshold_sig.rs:240:14
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let (secret_x, signers) = trusted_party_SSS_keygen(threshold, total, &mut rng, &generators.0, &generators.1).unwrap();
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_secret_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `T`
[INFO] [stdout]    --> src/keys.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     T: u128,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PrefixPoP` should have an upper case name
[INFO] [stdout]   --> src/keys.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | const PrefixPoP: &[u8] = b"PoP";
[INFO] [stdout]    |       ^^^^^^^^^ help: convert the identifier to upper case: `PREFIX_PO_P`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `Command { std: "docker" "inspect" "bf8d4fae6763f0a9e6123f9b141f9e50c7d3b4dd8c3f06e1779fd32b3a9940f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8d4fae6763f0a9e6123f9b141f9e50c7d3b4dd8c3f06e1779fd32b3a9940f6", kill_on_drop: false }`
[INFO] [stdout] bf8d4fae6763f0a9e6123f9b141f9e50c7d3b4dd8c3f06e1779fd32b3a9940f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab87b6ca5bafbf49c0d552a668d42569f3bfc61e5c475ae5871a0e1324f40baa
[INFO] running `Command { std: "docker" "start" "-a" "ab87b6ca5bafbf49c0d552a668d42569f3bfc61e5c475ae5871a0e1324f40baa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `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: 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: `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: `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: `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 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_secret_x`
[INFO] [stderr] 
[INFO] [stderr] warning: `pixel-sig` (lib) generated 10 warnings
[INFO] [stderr] warning: `pixel-sig` (lib test) generated 24 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pixel_sig-e8bcd50618d5a939)
[INFO] [stdout] running 32 tests
[INFO] [stdout] test keys::tests::test_proof_of_possession ... ok
[INFO] [stdout] test keys::tests::test_fast_forward_key_update_through_simple_key_update_7 ... ok
[INFO] [stdout] test keys::tests::test_simple_key_update_7 ... ok
[INFO] [stdout] test keys::tests::test_setup ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_initial ... ok
[INFO] [stdout] test keys::tests::test_simple_key_update_15 ... ok
[INFO] [stdout] test keys::tests::test_setup_with_less_number_of_genertors ... ok
[INFO] [stdout] test keys::tests::test_fast_forward_key_update_15 ... ok
[INFO] [stdout] test keys::tests::test_fast_forward_key_update_7 ... ok
[INFO] [stdout] test keys::tests::test_fast_forward_key_update_repeat_7 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_fast_forward_update_repeat_7 ... ok
[INFO] [stdout] test signature::tests::test_aggr_sig_verify ... ok
[INFO] [stdout] test util::tests::test_calculate_l ... ok
[INFO] [stdout] test util::tests::test_from_node_num_to_path ... ok
[INFO] [stdout] test util::tests::test_node_successors_15 ... ok
[INFO] [stdout] test util::tests::test_node_successors_7 ... ok
[INFO] [stdout] test util::tests::test_path_to_node_num ... ok
[INFO] [stdout] test signature::tests::test_sig_deterministic ... ok
[INFO] [stdout] test threshold_sig::tests::test_verkey_aggregation_gaps_in_ids_shamir_secret_sharing_keygen ... ok
[INFO] [stdout] test keys::tests::timing_simple_key_update_65535 ... ok
[INFO] [stdout] test threshold_sig::tests::test_verkey_aggregation_shamir_secret_sharing_keygen ... ok
[INFO] [stdout] test keys::tests::timing_fast_forward_key_update_1048575 has been running for over 60 seconds
[INFO] [stdout] test keys::tests::timing_fast_forward_key_update_65535 has been running for over 60 seconds
[INFO] [stdout] test keys::tests::timing_simple_key_update_1048575 has been running for over 60 seconds
[INFO] [stdout] test signature::tests::test_sig_verify_post_fast_forward_update_repeat_15 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_fast_forward_update_7 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_simple_update_by_7 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_fast_forward_update_repeat_65535 has been running for over 60 seconds
[INFO] [stdout] test signature::tests::test_sig_verify_post_simple_update_by_15 has been running for over 60 seconds
[INFO] [stdout] test keys::tests::timing_simple_key_update_1048575 ... ok
[INFO] [stdout] test signature::tests::timing_sig_verify_post_update_1048575 has been running for over 60 seconds
[INFO] [stdout] test signature::tests::timing_sig_verify_post_update_65535 has been running for over 60 seconds
[INFO] [stdout] test threshold_sig::tests::test_sign_verify_shamir_secret_sharing_keygen has been running for over 60 seconds
[INFO] [stdout] test keys::tests::timing_fast_forward_key_update_65535 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_simple_update_by_15 ... ok
[INFO] [stdout] test keys::tests::timing_fast_forward_key_update_1048575 ... ok
[INFO] [stdout] test signature::tests::timing_sig_verify_post_update_65535 ... ok
[INFO] [stdout] test signature::tests::test_sig_verify_post_fast_forward_update_repeat_65535 ... ok
[INFO] [stdout] test threshold_sig::tests::test_sign_verify_shamir_secret_sharing_keygen ... ok
[INFO] [stdout] test signature::tests::timing_sig_verify_post_update_1048575 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 115.81s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pixel-sig
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab87b6ca5bafbf49c0d552a668d42569f3bfc61e5c475ae5871a0e1324f40baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab87b6ca5bafbf49c0d552a668d42569f3bfc61e5c475ae5871a0e1324f40baa", kill_on_drop: false }`
[INFO] [stdout] ab87b6ca5bafbf49c0d552a668d42569f3bfc61e5c475ae5871a0e1324f40baa