[INFO] fetching crate range-split 0.2.0...
[INFO] checking range-split-0.2.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate range-split 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate range-split 0.2.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate range-split 0.2.0
[INFO] finished tweaking crates.io crate range-split 0.2.0
[INFO] tweaked toml for crates.io crate range-split 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] ee17cd86ee484a325e0be7efc02d098f22759dd1eb7746ae37498a658644d964
[INFO] running `"docker" "start" "-a" "ee17cd86ee484a325e0be7efc02d098f22759dd1eb7746ae37498a658644d964"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking range-split v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stderr]   --> src/bytes.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             self.split_off(range.start);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `bytes::bytes::Bytes::split_off` that must be used
[INFO] [stderr]   --> src/bytes.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 37 |             self.split_off(range.start);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: consider Bytes::truncate if you don't need the other half
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "ee17cd86ee484a325e0be7efc02d098f22759dd1eb7746ae37498a658644d964"`
[INFO] running `"docker" "rm" "-f" "ee17cd86ee484a325e0be7efc02d098f22759dd1eb7746ae37498a658644d964"`
[INFO] [stdout] ee17cd86ee484a325e0be7efc02d098f22759dd1eb7746ae37498a658644d964