[INFO] fetching crate elgamal-curve25519 0.2.0...
[INFO] testing elgamal-curve25519-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate elgamal-curve25519 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate elgamal-curve25519 0.2.0
[INFO] finished tweaking crates.io crate elgamal-curve25519 0.2.0
[INFO] tweaked toml for crates.io crate elgamal-curve25519 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate elgamal-curve25519 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to highest compatible versions
[INFO] [stderr]       Adding clear_on_drop v0.2.3 (available: v0.2.5)
[INFO] [stderr]       Adding curve25519-dalek v1.1.3 (available: v1.2.6)
[INFO] [stderr]       Adding digest v0.8.1 (available: v0.11.3)
[INFO] [stderr]       Adding rand_core v0.3.2 (available: v0.10.1)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding sha2 v0.8.2 (available: v0.11.1)
[INFO] [stderr]       Adding subtle v2.1.1 (available: v2.6.1)
[INFO] [stderr]       Adding typenum v1.10.0 (available: v1.20.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | homepage = "https://github.com/chritchens/elgamal-curve25519"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 | repository = "https://github.com/chritchens/elgamal-curve25519"
[INFO] [stderr]    |              --------------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `elgamal-curve25519` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb
[INFO] running `Command { std: "docker" "start" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | homepage = "https://github.com/chritchens/elgamal-curve25519"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 40 | repository = "https://github.com/chritchens/elgamal-curve25519"
[INFO] [stderr]    |              --------------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `elgamal-curve25519` (manifest) generated 1 warning
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rand_core v0.4.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling elgamal-curve25519 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `D: Default` is not satisfied
[INFO] [stdout]    --> src/lib.rs:198:40
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let scalar = Scalar::from_hash(digest).reduce();
[INFO] [stdout]     |                      ----------------- ^^^^^^ the trait `Default` is not implemented for `D`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout] note: required by a bound in `Scalar::from_hash`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/curve25519-dalek-1.1.3/src/scalar.rs:602:45
[INFO] [stdout]     |
[INFO] [stdout] 505 | impl Scalar {
[INFO] [stdout] ...
[INFO] [stdout] 601 |     pub fn from_hash<D>(hash: D) -> Scalar
[INFO] [stdout] 602 |         where D: Digest<OutputSize = U64> + Default
[INFO] [stdout]     |                                             ^^^^^^^ required by this bound in `Scalar::from_hash`
[INFO] [stdout] help: consider further restricting type parameter `D` with trait `Default`
[INFO] [stdout]     |
[INFO] [stdout] 196 |         where D: Digest<OutputSize = U64> + std::default::Default
[INFO] [stdout]     |                                           +++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elgamal-curve25519` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused dependency `sha2`
[INFO] [stderr]   --> Cargo.toml:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | [dependencies.sha2]
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `sha2`
[INFO] [stderr] warning: `elgamal-curve25519` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb", kill_on_drop: false }`
[INFO] [stdout] 571ee95dce1ee7fde79d6c1270d7bd54710e833e3a6697b296bbfbe26f3a3ffb
