[INFO] crate elgamal-curve25519 0.2.0 is already in cache
[INFO] extracting crate elgamal-curve25519 0.2.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/elgamal-curve25519/0.2.0
[INFO] extracting crate elgamal-curve25519 0.2.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/elgamal-curve25519/0.2.0
[INFO] validating manifest of elgamal-curve25519-0.2.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elgamal-curve25519-0.2.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elgamal-curve25519-0.2.0
[INFO] finished frobbing elgamal-curve25519-0.2.0
[INFO] frobbed toml for elgamal-curve25519-0.2.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/elgamal-curve25519/0.2.0/Cargo.toml
[INFO] started frobbing elgamal-curve25519-0.2.0
[INFO] finished frobbing elgamal-curve25519-0.2.0
[INFO] frobbed toml for elgamal-curve25519-0.2.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/elgamal-curve25519/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking elgamal-curve25519-0.2.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/elgamal-curve25519/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2c26599d22265dc2d5a619ea2c1c6025cf52fd24c5e4d1a40650988dfe2ac9c
[INFO] running `"docker" "start" "-a" "e2c26599d22265dc2d5a619ea2c1c6025cf52fd24c5e4d1a40650988dfe2ac9c"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[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 block-buffer v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking elgamal-curve25519 v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: the trait bound `D: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/lib.rs:198:22
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let scalar = Scalar::from_hash(digest).reduce();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `D`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `where D: std::default::Default` bound
[INFO] [stderr]     = note: required by `curve25519_dalek::scalar::Scalar::from_hash`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `elgamal-curve25519`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `D: std::default::Default` is not satisfied
[INFO] [stderr]    --> src/lib.rs:198:22
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let scalar = Scalar::from_hash(digest).reduce();
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^ the trait `std::default::Default` is not implemented for `D`
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `where D: std::default::Default` bound
[INFO] [stderr]     = note: required by `curve25519_dalek::scalar::Scalar::from_hash`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `elgamal-curve25519`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e2c26599d22265dc2d5a619ea2c1c6025cf52fd24c5e4d1a40650988dfe2ac9c"`
[INFO] running `"docker" "rm" "-f" "e2c26599d22265dc2d5a619ea2c1c6025cf52fd24c5e4d1a40650988dfe2ac9c"`
[INFO] [stdout] e2c26599d22265dc2d5a619ea2c1c6025cf52fd24c5e4d1a40650988dfe2ac9c