[INFO] crate zcash_client_backend 0.1.0 is already in cache
[INFO] checking zcash_client_backend-0.1.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate zcash_client_backend 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zcash_client_backend 0.1.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zcash_client_backend 0.1.0
[INFO] finished tweaking crates.io crate zcash_client_backend 0.1.0
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5b0e258030b9b82080e3e27adea17cca59c7fcaee67a9d2da877341edffd742a
[INFO] running `"docker" "start" "-a" "5b0e258030b9b82080e3e27adea17cca59c7fcaee67a9d2da877341edffd742a"`
[INFO] [stderr]     Checking crypto_api v0.2.2
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking fpe v0.2.0
[INFO] [stderr]     Checking crypto_api_chachapoly v0.2.2
[INFO] [stderr]    Compiling ff_derive v0.4.1
[INFO] [stderr]     Checking ff v0.5.2
[INFO] [stderr]     Checking group v0.2.0
[INFO] [stderr]     Checking pairing v0.15.1
[INFO] [stderr]     Checking zcash_primitives v0.1.0
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/zcash_primitives-0.1.0/src/jubjub/fs.rs:320:5
[INFO] [stderr]     |
[INFO] [stderr] 320 |     fn random<R: RngCore>(rng: &mut R) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `R: std::marker::Sized`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0276`.
[INFO] [stderr] error: could not compile `zcash_primitives`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "5b0e258030b9b82080e3e27adea17cca59c7fcaee67a9d2da877341edffd742a"`
[INFO] running `"docker" "rm" "-f" "5b0e258030b9b82080e3e27adea17cca59c7fcaee67a9d2da877341edffd742a"`
[INFO] [stdout] 5b0e258030b9b82080e3e27adea17cca59c7fcaee67a9d2da877341edffd742a