[INFO] fetching crate elgamal-curve25519 0.2.0...
[INFO] checking elgamal-curve25519-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate elgamal-curve25519 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate elgamal-curve25519 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9639083dd18c22eb9622fdaaf3532c164d82307beadb66f22c0cc1d7d2c63f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9639083dd18c22eb9622fdaaf3532c164d82307beadb66f22c0cc1d7d2c63f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9639083dd18c22eb9622fdaaf3532c164d82307beadb66f22c0cc1d7d2c63f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9639083dd18c22eb9622fdaaf3532c164d82307beadb66f22c0cc1d7d2c63f3", kill_on_drop: false }`
[INFO] [stdout] e9639083dd18c22eb9622fdaaf3532c164d82307beadb66f22c0cc1d7d2c63f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ab2973cb4e96db176fb87d7265ca0f8862a8ec667160694b22f00442e90be4c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ab2973cb4e96db176fb87d7265ca0f8862a8ec667160694b22f00442e90be4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking 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]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curve25519-dalek-1.1.3/src/scalar.rs:602:45
[INFO] [stdout]     |
[INFO] [stdout] 602 |         where D: Digest<OutputSize = U64> + Default
[INFO] [stdout]     |                                             ------- required by this bound in `Scalar::from_hash`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 196 |         where D: Digest<OutputSize = U64> + Default
[INFO] [stdout]     |                                           ^^^^^^^^^
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elgamal-curve25519`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/curve25519-dalek-1.1.3/src/scalar.rs:602:45
[INFO] [stdout]     |
[INFO] [stdout] 602 |         where D: Digest<OutputSize = U64> + Default
[INFO] [stdout]     |                                             ------- required by this bound in `Scalar::from_hash`
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]     |
[INFO] [stdout] 196 |         where D: Digest<OutputSize = U64> + Default
[INFO] [stdout]     |                                           ^^^^^^^^^
[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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1ab2973cb4e96db176fb87d7265ca0f8862a8ec667160694b22f00442e90be4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab2973cb4e96db176fb87d7265ca0f8862a8ec667160694b22f00442e90be4c", kill_on_drop: false }`
[INFO] [stdout] 1ab2973cb4e96db176fb87d7265ca0f8862a8ec667160694b22f00442e90be4c