[INFO] crate chacha20 0.3.1 is already in cache
[INFO] checking chacha20-0.3.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate chacha20 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate chacha20 0.3.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chacha20 0.3.1
[INFO] finished tweaking crates.io crate chacha20 0.3.1
[INFO] tweaked toml for crates.io crate chacha20 0.3.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0760ae7006c1380f6e0b1e8508515eb474ee504ec2f0c4f65bfbec0a60c34e51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0760ae7006c1380f6e0b1e8508515eb474ee504ec2f0c4f65bfbec0a60c34e51"`
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking chacha20 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: run benchmarks with `cargo bench --all-features`
[INFO] [stderr]  --> benches/rng.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | compile_error!("run benchmarks with `cargo bench --all-features`");
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `chacha20::ChaCha20Rng`
[INFO] [stderr]  --> benches/rng.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use chacha20::ChaCha20Rng;
[INFO] [stderr]   |     ^^^^^^^^^^-----------
[INFO] [stderr]   |     |         |
[INFO] [stderr]   |     |         help: a similar name exists in the module: `ChaCha20`
[INFO] [stderr]   |     no `ChaCha20Rng` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand_core`
[INFO] [stderr]   --> benches/rng.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand_core::{RngCore, SeedableRng};
[INFO] [stderr]    |     ^^^^^^^^^ help: a similar path exists: `criterion::rand_core`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `chacha20`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0760ae7006c1380f6e0b1e8508515eb474ee504ec2f0c4f65bfbec0a60c34e51"`
[INFO] running `"docker" "rm" "-f" "0760ae7006c1380f6e0b1e8508515eb474ee504ec2f0c4f65bfbec0a60c34e51"`
[INFO] [stdout] 0760ae7006c1380f6e0b1e8508515eb474ee504ec2f0c4f65bfbec0a60c34e51