[INFO] fetching crate xxtea 0.2.0...
[INFO] checking xxtea-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate xxtea 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate xxtea 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xxtea 0.2.0
[INFO] finished tweaking crates.io crate xxtea 0.2.0
[INFO] tweaked toml for crates.io crate xxtea 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] cc5757218ef718baee6a1408d8f606210cbbe36cb2b7626eb5d8b0e902e27e8a
[INFO] running `"docker" "start" "-a" "cc5757218ef718baee6a1408d8f606210cbbe36cb2b7626eb5d8b0e902e27e8a"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking xxtea v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/xxtea.rs:68:70
[INFO] [stderr]    |
[INFO] [stderr] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[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 function argument
[INFO] [stderr]   --> src/xxtea.rs:93:56
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stderr]    |                                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/xxtea.rs:68:70
[INFO] [stderr]    |
[INFO] [stderr] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[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 function argument
[INFO] [stderr]   --> src/xxtea.rs:93:56
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stderr]    |                                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `"docker" "inspect" "cc5757218ef718baee6a1408d8f606210cbbe36cb2b7626eb5d8b0e902e27e8a"`
[INFO] running `"docker" "rm" "-f" "cc5757218ef718baee6a1408d8f606210cbbe36cb2b7626eb5d8b0e902e27e8a"`
[INFO] [stdout] cc5757218ef718baee6a1408d8f606210cbbe36cb2b7626eb5d8b0e902e27e8a