[INFO] fetching crate libsecp256k1 0.3.2...
[INFO] checking libsecp256k1-0.3.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate libsecp256k1 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libsecp256k1 0.3.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libsecp256k1 0.3.2
[INFO] finished tweaking crates.io crate libsecp256k1 0.3.2
[INFO] tweaked toml for crates.io crate libsecp256k1 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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" "+beta-2019-10-27" "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] 517b5b40b08adf0bcb13641613c4a725798e4fea58ba82f2bbbbfcf14ef8c64f
[INFO] running `"docker" "start" "-a" "517b5b40b08adf0bcb13641613c4a725798e4fea58ba82f2bbbbfcf14ef8c64f"`
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling secp256k1-test v0.7.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking libsecp256k1 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/sign.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/sign.rs:19:56
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let (secp_privkey, _) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/signature.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for type `(secp256k1::Signature, secp256k1::RecoveryId)` in the current scope
[INFO] [stderr]   --> benches/sign.rs:23:41
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let _ = sign(&message, &seckey).unwrap();
[INFO] [stderr]    |                                         ^^^^^^ method not found in `(secp256k1::Signature, secp256k1::RecoveryId)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsecp256k1`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/signature.rs:17:51
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let (privkey, _) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/signature.rs:34:51
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let (privkey, _) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsecp256k1`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/public_key.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/public_key.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let (_, secp_pubkey) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/public_key.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let (_, secp_pubkey) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `rand::prelude::ThreadRng: rand::Rng` is not satisfied
[INFO] [stderr]   --> benches/public_key.rs:43:55
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let (_, secp_pubkey) = secp256k1.generate_keypair(&mut thread_rng()).unwrap();
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^ the trait `rand::Rng` is not implemented for `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsecp256k1`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "517b5b40b08adf0bcb13641613c4a725798e4fea58ba82f2bbbbfcf14ef8c64f"`
[INFO] running `"docker" "rm" "-f" "517b5b40b08adf0bcb13641613c4a725798e4fea58ba82f2bbbbfcf14ef8c64f"`
[INFO] [stdout] 517b5b40b08adf0bcb13641613c4a725798e4fea58ba82f2bbbbfcf14ef8c64f