[INFO] fetching crate elgamal-curve25519 0.2.0...
[INFO] checking elgamal-curve25519-0.2.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate elgamal-curve25519 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate elgamal-curve25519 0.2.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4571f7a738a9db4fecf62f85b13dbcece7225c672a2f09aa8c4863ac5c74c6
[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" "8d4571f7a738a9db4fecf62f85b13dbcece7225c672a2f09aa8c4863ac5c74c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4571f7a738a9db4fecf62f85b13dbcece7225c672a2f09aa8c4863ac5c74c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4571f7a738a9db4fecf62f85b13dbcece7225c672a2f09aa8c4863ac5c74c6", kill_on_drop: false }`
[INFO] [stdout] 8d4571f7a738a9db4fecf62f85b13dbcece7225c672a2f09aa8c4863ac5c74c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c69dd911d29b682cdeb12600d28a581a9b4dffc60692c443ee6bae7272eb6b05
[INFO] running `Command { std: "docker" "start" "-a" "c69dd911d29b682cdeb12600d28a581a9b4dffc60692c443ee6bae7272eb6b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.4
[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[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: 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" "c69dd911d29b682cdeb12600d28a581a9b4dffc60692c443ee6bae7272eb6b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69dd911d29b682cdeb12600d28a581a9b4dffc60692c443ee6bae7272eb6b05", kill_on_drop: false }`
[INFO] [stdout] c69dd911d29b682cdeb12600d28a581a9b4dffc60692c443ee6bae7272eb6b05