[INFO] crate ustr 0.2.1 is already in cache
[INFO] checking ustr-0.2.1 against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] extracting crate ustr 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ustr 0.2.1 on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ustr 0.2.1
[INFO] finished tweaking crates.io crate ustr 0.2.1
[INFO] tweaked toml for crates.io crate ustr 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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-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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "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] f80e81e3db8101b12512c6e012882dd224cf84e5ebdff4819ed820618449a48f
[INFO] running `"docker" "start" "-a" "f80e81e3db8101b12512c6e012882dd224cf84e5ebdff4819ed820618449a48f"`
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]     Checking ustr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/bumpalloc.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         (self.end as usize - self.ptr as usize)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/bumpalloc.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         (self.end as usize - self.ptr as usize)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `"docker" "inspect" "f80e81e3db8101b12512c6e012882dd224cf84e5ebdff4819ed820618449a48f"`
[INFO] running `"docker" "rm" "-f" "f80e81e3db8101b12512c6e012882dd224cf84e5ebdff4819ed820618449a48f"`
[INFO] [stdout] f80e81e3db8101b12512c6e012882dd224cf84e5ebdff4819ed820618449a48f