[INFO] fetching crate indy-credx 1.1.1...
[INFO] checking indy-credx-1.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate indy-credx 1.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate indy-credx 1.1.1 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 crates.io crate indy-credx 1.1.1
[INFO] finished tweaking crates.io crate indy-credx 1.1.1
[INFO] tweaked toml for crates.io crate indy-credx 1.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages
[INFO] [stderr]       Adding anoncreds-clsignatures v0.2.4 (latest: v0.3.2)
[INFO] [stderr]       Adding env_logger v0.10.2 (latest: v0.11.3)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded indy-data-types v0.7.1
[INFO] [stderr]   Downloaded ffi-support v0.4.4
[INFO] [stderr]   Downloaded glass_pumpkin v1.6.0
[INFO] [stderr]   Downloaded amcl v0.2.0
[INFO] [stderr]   Downloaded anoncreds-clsignatures v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bedaddc97f47921631b9317fa5c50db798952656a4a00fdf6f7753042129bb50
[INFO] running `Command { std: "docker" "start" "-a" "bedaddc97f47921631b9317fa5c50db798952656a4a00fdf6f7753042129bb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bedaddc97f47921631b9317fa5c50db798952656a4a00fdf6f7753042129bb50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedaddc97f47921631b9317fa5c50db798952656a4a00fdf6f7753042129bb50", kill_on_drop: false }`
[INFO] [stdout] bedaddc97f47921631b9317fa5c50db798952656a4a00fdf6f7753042129bb50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fa08592fc27d59df14d8660a67c173e5109669b8e7fe2c7f9cd8f3f198f4eb51
[INFO] running `Command { std: "docker" "start" "-a" "fa08592fc27d59df14d8660a67c173e5109669b8e7fe2c7f9cd8f3f198f4eb51", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking amcl v0.2.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking ffi-support v0.4.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking glass_pumpkin v1.6.0
[INFO] [stderr]     Checking anoncreds-clsignatures v0.2.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking indy-data-types v0.7.1
[INFO] [stderr]     Checking indy-credx v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Validatable` is imported redundantly
[INFO] [stdout]   --> src/services/issuer.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::types::*;
[INFO] [stdout]    |     --------------- the item `Validatable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 17 | use indy_data_types::{Qualifiable, Validatable};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Validatable` is imported redundantly
[INFO] [stdout]   --> src/services/prover.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::types::*;
[INFO] [stdout]    |     --------------- the item `Validatable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 | use indy_data_types::{Qualifiable, Validatable};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/credential.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/presentation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/revocation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Validatable` is imported redundantly
[INFO] [stdout]   --> src/services/issuer.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::types::*;
[INFO] [stdout]    |     --------------- the item `Validatable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 17 | use indy_data_types::{Qualifiable, Validatable};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AttributeValues` is imported redundantly
[INFO] [stdout]   --> src/services/prover.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::types::*;
[INFO] [stdout]    |     --------------- the item `AttributeValues` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 12 |     credential::AttributeValues,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Validatable` is imported redundantly
[INFO] [stdout]   --> src/services/prover.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 3  | use super::types::*;
[INFO] [stdout]    |     --------------- the item `Validatable` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 | use indy_data_types::{Qualifiable, Validatable};
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/credential.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/presentation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/ffi/revocation.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `map_err_string`, `map_input_err`, `with_err_msg`, and `with_input_err` are never used
[INFO] [stdout]    --> src/error.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub trait ResultExt<T, E> {
[INFO] [stdout]     |           --------- methods in this trait
[INFO] [stdout] 180 |     fn map_err_string(self) -> StdResult<T, String>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 181 |     fn map_input_err<F, M>(self, mapfn: F) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn with_err_msg<M>(self, kind: ErrorKind, msg: M) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn with_input_err<M>(self, msg: M) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProvingCredentialKey` is never constructed
[INFO] [stdout]    --> src/services/types.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) struct ProvingCredentialKey {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `map_err_string`, `map_input_err`, `with_err_msg`, and `with_input_err` are never used
[INFO] [stdout]    --> src/error.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 179 | pub trait ResultExt<T, E> {
[INFO] [stdout]     |           --------- methods in this trait
[INFO] [stdout] 180 |     fn map_err_string(self) -> StdResult<T, String>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 181 |     fn map_input_err<F, M>(self, mapfn: F) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |     fn with_err_msg<M>(self, kind: ErrorKind, msg: M) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     fn with_input_err<M>(self, msg: M) -> Result<T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ProvingCredentialKey` is never constructed
[INFO] [stdout]    --> src/services/types.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) struct ProvingCredentialKey {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.83s
[INFO] running `Command { std: "docker" "inspect" "fa08592fc27d59df14d8660a67c173e5109669b8e7fe2c7f9cd8f3f198f4eb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa08592fc27d59df14d8660a67c173e5109669b8e7fe2c7f9cd8f3f198f4eb51", kill_on_drop: false }`
[INFO] [stdout] fa08592fc27d59df14d8660a67c173e5109669b8e7fe2c7f9cd8f3f198f4eb51