[INFO] fetching crate hd-ed25519 0.0.1...
[INFO] testing hd-ed25519-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate hd-ed25519 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hd-ed25519 0.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hd-ed25519 0.0.1
[INFO] finished tweaking crates.io crate hd-ed25519 0.0.1
[INFO] tweaked toml for crates.io crate hd-ed25519 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bc6735cf50859d71c69861e99a37329fe37e615e327dc344250ba57fb37b519e
[INFO] running `"docker" "start" "-a" "bc6735cf50859d71c69861e99a37329fe37e615e327dc344250ba57fb37b519e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr] error[E0277]: the trait bound `rngs::jitter::TimerError: core::convert::From<rngs::jitter::TimerError>` is not satisfied
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.5.6/src/rngs/jitter.rs:270:74
[INFO] [stderr]     |
[INFO] [stderr] 270 | ...                   "timer jitter failed basic quality tests", err)
[INFO] [stderr]     |                                                                  ^^^
[INFO] [stderr]     |                                                                  |
[INFO] [stderr]     |                                                                  expected an implementor of trait `core::convert::From<rngs::jitter::TimerError>`
[INFO] [stderr]     |                                                                  help: consider borrowing here: `&err`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand_core-0.4.2/src/error.rs:120:18
[INFO] [stderr]     |
[INFO] [stderr] 120 |         where E: Into<Box<stdError + Send + Sync>>
[INFO] [stderr]     |                  --------------------------------- required by this bound in `rand_core::Error::with_cause`
[INFO] [stderr]     |
[INFO] [stderr]     = note: required because of the requirements on the impl of `core::convert::From<rngs::jitter::TimerError>` for `alloc::boxed::Box<(dyn std::error::Error + core::marker::Send + core::marker::Sync + 'static)>`
[INFO] [stderr]     = note: required because of the requirements on the impl of `core::convert::Into<alloc::boxed::Box<(dyn std::error::Error + core::marker::Send + core::marker::Sync + 'static)>>` for `rngs::jitter::TimerError`
[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 `rand`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bc6735cf50859d71c69861e99a37329fe37e615e327dc344250ba57fb37b519e"`
[INFO] running `"docker" "rm" "-f" "bc6735cf50859d71c69861e99a37329fe37e615e327dc344250ba57fb37b519e"`
[INFO] [stdout] bc6735cf50859d71c69861e99a37329fe37e615e327dc344250ba57fb37b519e