[INFO] fetching crate coconut_sig 0.2.2...
[INFO] checking coconut_sig-0.2.2 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate coconut_sig 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate coconut_sig 0.2.2 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate coconut_sig 0.2.2
[INFO] finished tweaking crates.io crate coconut_sig 0.2.2
[INFO] tweaked toml for crates.io crate coconut_sig 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 56dc384298b32a7361479a243b012e5ef97becfbb37a46ed80ac12a91e8a3b60
[INFO] running `"docker" "start" "-a" "56dc384298b32a7361479a243b012e5ef97becfbb37a46ed80ac12a91e8a3b60"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking amcl_wrapper v0.2.3
[INFO] [stderr]     Checking ps_sig v0.2.0
[INFO] [stderr]     Checking secret_sharing v0.1.1
[INFO] [stderr]     Checking coconut_sig v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ps_sig::pok_vc`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use ps_sig::pok_vc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/errors.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use failure::{Backtrace, Context, Error, Fail};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `secret_sharing::pedersen_dvss::PedersenDVSSParticipant`
[INFO] [stderr]  --> src/keygen.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use secret_sharing::pedersen_dvss::PedersenDVSSParticipant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Params`, `Signature`, `Verkey`
[INFO] [stderr]  --> src/pok_sig.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::signature::{Params, Signature, Verkey};
[INFO] [stderr]   |                        ^^^^^^  ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SignatureGroupVec`, `SignatureGroup`, `VerkeyGroupVec`, `VerkeyGroup`
[INFO] [stderr]  --> src/pok_sig.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `amcl_wrapper::group_elem::GroupElement`
[INFO] [stderr]  --> src/pok_sig.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::GroupElement;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ps_sig::keys::Params as PSParams`
[INFO] [stderr]  --> src/pok_sig.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ps_sig::keys::Params as PSParams;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ate_2_pairing`
[INFO] [stderr]  --> src/signature.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{ate_2_pairing, VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stderr]   |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ps_sig::pok_vc`
[INFO] [stderr]   --> src/lib.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use ps_sig::pok_vc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/errors.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use failure::{Backtrace, Context, Error, Fail};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SignatureGroupVec`, `SignatureGroup`, `VerkeyGroupVec`, `VerkeyGroup`
[INFO] [stderr]  --> src/pok_sig.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stderr]   |             ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ps_sig::keys::Params as PSParams`
[INFO] [stderr]  --> src/pok_sig.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ps_sig::keys::Params as PSParams;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ate_2_pairing`
[INFO] [stderr]  --> src/signature.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{ate_2_pairing, VerkeyGroup, VerkeyGroupVec, SignatureGroup, SignatureGroupVec};
[INFO] [stderr]   |             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `amcl_wrapper::group_elem::GroupElement`
[INFO] [stderr]  --> src/pok_sig.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use amcl_wrapper::group_elem::GroupElement;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.14s
[INFO] running `"docker" "inspect" "56dc384298b32a7361479a243b012e5ef97becfbb37a46ed80ac12a91e8a3b60"`
[INFO] running `"docker" "rm" "-f" "56dc384298b32a7361479a243b012e5ef97becfbb37a46ed80ac12a91e8a3b60"`
[INFO] [stdout] 56dc384298b32a7361479a243b012e5ef97becfbb37a46ed80ac12a91e8a3b60