[INFO] crate panoradix 0.6.8 is already in cache
[INFO] checking panoradix-0.6.8 against try#f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f for pr-69560
[INFO] extracting crate panoradix 0.6.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate panoradix 0.6.8 on toolchain f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate panoradix 0.6.8
[INFO] finished tweaking crates.io crate panoradix 0.6.8
[INFO] tweaked toml for crates.io crate panoradix 0.6.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f503dc8e6998ec30e0e3a3937c0fd18331a5dc9f" "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] 8f1f9866aac55771e1492424a0932f6e003bcce952dace9b93fccc1bdfbf9f1f
[INFO] running `"docker" "start" "-a" "8f1f9866aac55771e1492424a0932f6e003bcce952dace9b93fccc1bdfbf9f1f"`
[INFO] [stderr]     Checking panoradix v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> benches/set.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         items.iter().collect::<RadixSet<str>>();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]   --> benches/set.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         items.iter().collect::<RadixSet<str>>();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `"docker" "inspect" "8f1f9866aac55771e1492424a0932f6e003bcce952dace9b93fccc1bdfbf9f1f"`
[INFO] running `"docker" "rm" "-f" "8f1f9866aac55771e1492424a0932f6e003bcce952dace9b93fccc1bdfbf9f1f"`
[INFO] [stdout] 8f1f9866aac55771e1492424a0932f6e003bcce952dace9b93fccc1bdfbf9f1f