[INFO] crate chacha20 0.3.4 is already in cache
[INFO] checking chacha20-0.3.4 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate chacha20 0.3.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chacha20 0.3.4 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chacha20 0.3.4
[INFO] finished tweaking crates.io crate chacha20 0.3.4
[INFO] tweaked toml for crates.io crate chacha20 0.3.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14d51dd9e7d698383c2290dd491b962f2a2f7c15b8c4ecd291cee3e108c823c4
[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" "14d51dd9e7d698383c2290dd491b962f2a2f7c15b8c4ecd291cee3e108c823c4"`
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking chacha20 v0.3.4 (/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]    |     ^^^^^^^^^ use of undeclared type or module `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] 
[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" "14d51dd9e7d698383c2290dd491b962f2a2f7c15b8c4ecd291cee3e108c823c4"`
[INFO] running `"docker" "rm" "-f" "14d51dd9e7d698383c2290dd491b962f2a2f7c15b8c4ecd291cee3e108c823c4"`
[INFO] [stdout] 14d51dd9e7d698383c2290dd491b962f2a2f7c15b8c4ecd291cee3e108c823c4