[INFO] fetching crate wedpr-indy-crypto 0.4.5...
[INFO] testing wedpr-indy-crypto-0.4.5 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate wedpr-indy-crypto 0.4.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate wedpr-indy-crypto 0.4.5 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wedpr-indy-crypto 0.4.5
[INFO] finished tweaking crates.io crate wedpr-indy-crypto 0.4.5
[INFO] tweaked toml for crates.io crate wedpr-indy-crypto 0.4.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f72eb08c89eb79d44a1f160e9d5fb3a2fd17329bb2f0904f6464c9818730707
[INFO] running `Command { std: "docker" "start" "-a" "0f72eb08c89eb79d44a1f160e9d5fb3a2fd17329bb2f0904f6464c9818730707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f72eb08c89eb79d44a1f160e9d5fb3a2fd17329bb2f0904f6464c9818730707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f72eb08c89eb79d44a1f160e9d5fb3a2fd17329bb2f0904f6464c9818730707", kill_on_drop: false }`
[INFO] [stdout] 0f72eb08c89eb79d44a1f160e9d5fb3a2fd17329bb2f0904f6464c9818730707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3420494ceb5170fe6da82516a47e50b1b17c181fa637ac119b6cc4095b5f2c68
[INFO] running `Command { std: "docker" "start" "-a" "3420494ceb5170fe6da82516a47e50b1b17c181fa637ac119b6cc4095b5f2c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling int_traits v0.1.1
[INFO] [stderr]    Compiling amcl v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha3 v0.7.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling wedpr-indy-crypto v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cl/issuer.rs:1209:30
[INFO] [stdout]      |
[INFO] [stdout] 1209 |         rev_tails_accessor: &RevocationTailsAccessor,
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigNumberContext`
[INFO] [stdout]   --> src/cl/mod.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bn::{BigNumber, BigNumberContext};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:551:56
[INFO] [stdout]     |
[INFO] [stdout] 551 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail))
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:565:24
[INFO] [stdout]     |
[INFO] [stdout] 565 |         accessor: &mut FnMut(&Tail),
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors/mod.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bn/openssl.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let checks = prime_len.log2() as i32;
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `log2(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bn/openssl.rs:624:47
[INFO] [stdout]     |
[INFO] [stdout] 624 |         IndyCryptoError::InvalidStructure(err.description().to_string())
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:164:54
[INFO] [stdout]     |
[INFO] [stdout] 164 |             IndyCryptoError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         IndyCryptoError::InvalidState(err.description().to_owned())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_set`
[INFO] [stdout]    --> src/cl/mod.rs:911:21
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_set`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cl/mod.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.91s
[INFO] running `Command { std: "docker" "inspect" "3420494ceb5170fe6da82516a47e50b1b17c181fa637ac119b6cc4095b5f2c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3420494ceb5170fe6da82516a47e50b1b17c181fa637ac119b6cc4095b5f2c68", kill_on_drop: false }`
[INFO] [stdout] 3420494ceb5170fe6da82516a47e50b1b17c181fa637ac119b6cc4095b5f2c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878418b6709b66594c7104c5c5b5c61391c84c0032b3d09f3b89cf219cb62fc1
[INFO] running `Command { std: "docker" "start" "-a" "878418b6709b66594c7104c5c5b5c61391c84c0032b3d09f3b89cf219cb62fc1", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cl/issuer.rs:1209:30
[INFO] [stdout]      |
[INFO] [stdout] 1209 |         rev_tails_accessor: &RevocationTailsAccessor,
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigNumberContext`
[INFO] [stdout]   --> src/cl/mod.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bn::{BigNumber, BigNumberContext};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:551:56
[INFO] [stdout]     |
[INFO] [stdout] 551 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail))
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:565:24
[INFO] [stdout]     |
[INFO] [stdout] 565 |         accessor: &mut FnMut(&Tail),
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors/mod.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wedpr-indy-crypto v0.4.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bn/openssl.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let checks = prime_len.log2() as i32;
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `log2(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bn/openssl.rs:624:47
[INFO] [stdout]     |
[INFO] [stdout] 624 |         IndyCryptoError::InvalidStructure(err.description().to_string())
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:164:54
[INFO] [stdout]     |
[INFO] [stdout] 164 |             IndyCryptoError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         IndyCryptoError::InvalidState(err.description().to_owned())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_set`
[INFO] [stdout]    --> src/cl/mod.rs:911:21
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_set`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cl/mod.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `indy_crypto`
[INFO] [stdout]  --> tests/cl.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate indy_crypto;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wedpr-indy-crypto` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/cl/issuer.rs:1209:30
[INFO] [stdout]      |
[INFO] [stdout] 1209 |         rev_tails_accessor: &RevocationTailsAccessor,
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn RevocationTailsAccessor`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]      = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]      = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigNumberContext`
[INFO] [stdout]   --> src/cl/mod.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 | use bn::{BigNumber, BigNumberContext};
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:551:56
[INFO] [stdout]     |
[INFO] [stdout] 551 |     fn access_tail(&self, tail_id: u32, accessor: &mut FnMut(&Tail))
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cl/mod.rs:565:24
[INFO] [stdout]     |
[INFO] [stdout] 565 |         accessor: &mut FnMut(&Tail),
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Tail)`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]     --> src/cl/mod.rs:1283:9
[INFO] [stdout]      |
[INFO] [stdout] 1283 |     use serde_json;
[INFO] [stdout]      |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors/mod.rs:174:32
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/bn/openssl.rs:79:32
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let checks = prime_len.log2() as i32;
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `log2(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/bn/openssl.rs:624:47
[INFO] [stdout]     |
[INFO] [stdout] 624 |         IndyCryptoError::InvalidStructure(err.description().to_string())
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:164:54
[INFO] [stdout]     |
[INFO] [stdout] 164 |             IndyCryptoError::IOError(ref err) => err.description(),
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/errors/mod.rs:231:43
[INFO] [stdout]     |
[INFO] [stdout] 231 |         IndyCryptoError::InvalidState(err.description().to_owned())
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_set`
[INFO] [stdout]    --> src/cl/mod.rs:911:21
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_set`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/cl/mod.rs:911:17
[INFO] [stdout]     |
[INFO] [stdout] 911 |             let mut attr_set: BTreeMap<String, BigNumber> = BTreeMap::new();
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "878418b6709b66594c7104c5c5b5c61391c84c0032b3d09f3b89cf219cb62fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878418b6709b66594c7104c5c5b5c61391c84c0032b3d09f3b89cf219cb62fc1", kill_on_drop: false }`
[INFO] [stdout] 878418b6709b66594c7104c5c5b5c61391c84c0032b3d09f3b89cf219cb62fc1
