[INFO] crate ripb 0.3.1 is already in cache
[INFO] checking ripb-0.3.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate ripb 0.3.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ripb 0.3.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ripb 0.3.1
[INFO] finished tweaking crates.io crate ripb 0.3.1
[INFO] tweaked toml for crates.io crate ripb 0.3.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 0ab60ba946cde77e8cc0b032f7ccbe295fad933be8c8912e2040eb18f36b48dd
[INFO] running `"docker" "start" "-a" "0ab60ba946cde77e8cc0b032f7ccbe295fad933be8c8912e2040eb18f36b48dd"`
[INFO] [stderr]     Checking ripb v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `send_1000_messages_to_1000_subscribers`
[INFO] [stderr]    --> benches/bench.rs:120:4
[INFO] [stderr]     |
[INFO] [stderr] 120 | fn send_1000_messages_to_1000_subscribers(bench: &mut Bencher) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "0ab60ba946cde77e8cc0b032f7ccbe295fad933be8c8912e2040eb18f36b48dd"`
[INFO] running `"docker" "rm" "-f" "0ab60ba946cde77e8cc0b032f7ccbe295fad933be8c8912e2040eb18f36b48dd"`
[INFO] [stdout] 0ab60ba946cde77e8cc0b032f7ccbe295fad933be8c8912e2040eb18f36b48dd
