[INFO] cloning repository https://github.com/hyperledger/anoncreds-clsignatures-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hyperledger/anoncreds-clsignatures-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperledger%2Fanoncreds-clsignatures-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperledger%2Fanoncreds-clsignatures-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ba4f232616ae2504efb31db8b093f18674d6410
[INFO] checking hyperledger/anoncreds-clsignatures-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperledger%2Fanoncreds-clsignatures-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyperledger/anoncreds-clsignatures-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hyperledger/anoncreds-clsignatures-rs
[INFO] finished tweaking git repo https://github.com/hyperledger/anoncreds-clsignatures-rs
[INFO] tweaked toml for git repo https://github.com/hyperledger/anoncreds-clsignatures-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hyperledger/anoncreds-clsignatures-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glass_pumpkin v1.6.0
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded openssl-src v300.2.2+3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd7dfc42aed01af7a63836711871eecee9a7d22380fe6b8e16a87c181300aeb
[INFO] running `Command { std: "docker" "start" "-a" "8bd7dfc42aed01af7a63836711871eecee9a7d22380fe6b8e16a87c181300aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd7dfc42aed01af7a63836711871eecee9a7d22380fe6b8e16a87c181300aeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd7dfc42aed01af7a63836711871eecee9a7d22380fe6b8e16a87c181300aeb", kill_on_drop: false }`
[INFO] [stdout] 8bd7dfc42aed01af7a63836711871eecee9a7d22380fe6b8e16a87c181300aeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc49ecae56b313b409191f2d577ab860e57ec7080841f9c53af03a606e569ac0
[INFO] running `Command { std: "docker" "start" "-a" "fc49ecae56b313b409191f2d577ab860e57ec7080841f9c53af03a606e569ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking glass_pumpkin v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking anoncreds-clsignatures v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/issuer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/prover.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/verifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/bn/openssl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serializable_crypto_primitive` is imported redundantly
[INFO] [stdout]   --> src/bn/openssl.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   use crate::serializable_crypto_primitive;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/serialization.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! serializable_crypto_primitive {
[INFO] [stdout] 8  | |     ($type_:ident) => {
[INFO] [stdout] 9  | |         impl Serialize for $type_ {
[INFO] [stdout] 10 | |             fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- the item `serializable_crypto_primitive` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/issuer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MockHelper` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1405:9
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `MockHelper` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mocks` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1406:25
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `mocks` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout] 1406 |     use crate::issuer::{mocks, Issuer};
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issuer` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1406:32
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `Issuer` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout] 1406 |     use crate::issuer::{mocks, Issuer};
[INFO] [stdout]      |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/prover.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]     --> src/prover.rs:1828:22
[INFO] [stdout]      |
[INFO] [stdout] 1828 |     use serde_json::{self, json};
[INFO] [stdout]      |                      ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/verifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MockHelper` is imported redundantly
[INFO] [stdout]    --> src/verifier.rs:647:9
[INFO] [stdout]     |
[INFO] [stdout] 646 |     use super::*;
[INFO] [stdout]     |         -------- the item `MockHelper` is already imported here
[INFO] [stdout] 647 |     use crate::helpers::MockHelper;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/bn/openssl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serializable_crypto_primitive` is imported redundantly
[INFO] [stdout]   --> src/bn/openssl.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   use crate::serializable_crypto_primitive;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/serialization.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! serializable_crypto_primitive {
[INFO] [stdout] 8  | |     ($type_:ident) => {
[INFO] [stdout] 9  | |         impl Serialize for $type_ {
[INFO] [stdout] 10 | |             fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- the item `serializable_crypto_primitive` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.03s
[INFO] running `Command { std: "docker" "inspect" "fc49ecae56b313b409191f2d577ab860e57ec7080841f9c53af03a606e569ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc49ecae56b313b409191f2d577ab860e57ec7080841f9c53af03a606e569ac0", kill_on_drop: false }`
[INFO] [stdout] fc49ecae56b313b409191f2d577ab860e57ec7080841f9c53af03a606e569ac0
[INFO] checking hyperledger/anoncreds-clsignatures-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyperledger%2Fanoncreds-clsignatures-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyperledger/anoncreds-clsignatures-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hyperledger/anoncreds-clsignatures-rs
[INFO] finished tweaking git repo https://github.com/hyperledger/anoncreds-clsignatures-rs
[INFO] tweaked toml for git repo https://github.com/hyperledger/anoncreds-clsignatures-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hyperledger/anoncreds-clsignatures-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43c1480f0c95e777d44549d678e3f5009875aa6a27e3dffea66a509df3a558d
[INFO] running `Command { std: "docker" "start" "-a" "b43c1480f0c95e777d44549d678e3f5009875aa6a27e3dffea66a509df3a558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43c1480f0c95e777d44549d678e3f5009875aa6a27e3dffea66a509df3a558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43c1480f0c95e777d44549d678e3f5009875aa6a27e3dffea66a509df3a558d", kill_on_drop: false }`
[INFO] [stdout] b43c1480f0c95e777d44549d678e3f5009875aa6a27e3dffea66a509df3a558d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef78738bd19fd5b7d11b3e75bd4873785dd843f014540a1e663f1d4d9f607c39
[INFO] running `Command { std: "docker" "start" "-a" "ef78738bd19fd5b7d11b3e75bd4873785dd843f014540a1e663f1d4d9f607c39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling openssl v0.10.63
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking glass_pumpkin v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking anoncreds-clsignatures v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/issuer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/prover.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/verifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/bn/openssl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serializable_crypto_primitive` is imported redundantly
[INFO] [stdout]   --> src/bn/openssl.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   use crate::serializable_crypto_primitive;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/serialization.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! serializable_crypto_primitive {
[INFO] [stdout] 8  | |     ($type_:ident) => {
[INFO] [stdout] 9  | |         impl Serialize for $type_ {
[INFO] [stdout] 10 | |             fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- the item `serializable_crypto_primitive` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/issuer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MockHelper` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1405:9
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `MockHelper` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mocks` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1406:25
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `mocks` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout] 1406 |     use crate::issuer::{mocks, Issuer};
[INFO] [stdout]      |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Issuer` is imported redundantly
[INFO] [stdout]     --> src/issuer.rs:1406:32
[INFO] [stdout]      |
[INFO] [stdout] 1404 |     use super::*;
[INFO] [stdout]      |         -------- the item `Issuer` is already imported here
[INFO] [stdout] 1405 |     use crate::helpers::MockHelper;
[INFO] [stdout] 1406 |     use crate::issuer::{mocks, Issuer};
[INFO] [stdout]      |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/prover.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]     --> src/prover.rs:1828:22
[INFO] [stdout]      |
[INFO] [stdout] 1828 |     use serde_json::{self, json};
[INFO] [stdout]      |                      ^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/verifier.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MockHelper` is imported redundantly
[INFO] [stdout]    --> src/verifier.rs:647:9
[INFO] [stdout]     |
[INFO] [stdout] 646 |     use super::*;
[INFO] [stdout]     |         -------- the item `MockHelper` is already imported here
[INFO] [stdout] 647 |     use crate::helpers::MockHelper;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/bn/openssl.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ord;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serializable_crypto_primitive` is imported redundantly
[INFO] [stdout]   --> src/bn/openssl.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |   use crate::serializable_crypto_primitive;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/serialization.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! serializable_crypto_primitive {
[INFO] [stdout] 8  | |     ($type_:ident) => {
[INFO] [stdout] 9  | |         impl Serialize for $type_ {
[INFO] [stdout] 10 | |             fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     };
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_- the item `serializable_crypto_primitive` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/types.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.75s
[INFO] running `Command { std: "docker" "inspect" "ef78738bd19fd5b7d11b3e75bd4873785dd843f014540a1e663f1d4d9f607c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef78738bd19fd5b7d11b3e75bd4873785dd843f014540a1e663f1d4d9f607c39", kill_on_drop: false }`
[INFO] [stdout] ef78738bd19fd5b7d11b3e75bd4873785dd843f014540a1e663f1d4d9f607c39