[INFO] crate chacha20 0.3.4 is already in cache
[INFO] checking chacha20-0.3.4 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate chacha20 0.3.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate chacha20 0.3.4 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] f3bdc784f52845f14de46bb6aef545b42db7292d931a41f40965aea3537ce8b9
[INFO] running `"docker" "start" "-a" "f3bdc784f52845f14de46bb6aef545b42db7292d931a41f40965aea3537ce8b9"`
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking criterion-cycles-per-byte v0.1.1
[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] running `"docker" "inspect" "f3bdc784f52845f14de46bb6aef545b42db7292d931a41f40965aea3537ce8b9"`
[INFO] running `"docker" "rm" "-f" "f3bdc784f52845f14de46bb6aef545b42db7292d931a41f40965aea3537ce8b9"`
[INFO] [stdout] f3bdc784f52845f14de46bb6aef545b42db7292d931a41f40965aea3537ce8b9