[INFO] fetching crate xxtea 0.2.0...
[INFO] checking xxtea-0.2.0 against beta for pr-78714
[INFO] extracting crate xxtea 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xxtea 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0d1454173362ff9ef0c163e6d468972d0893456bc183eec49956b3448fda6b3
[INFO] running `Command { std: "docker" "start" "-a" "e0d1454173362ff9ef0c163e6d468972d0893456bc183eec49956b3448fda6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0d1454173362ff9ef0c163e6d468972d0893456bc183eec49956b3448fda6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d1454173362ff9ef0c163e6d468972d0893456bc183eec49956b3448fda6b3", kill_on_drop: false }`
[INFO] [stdout] e0d1454173362ff9ef0c163e6d468972d0893456bc183eec49956b3448fda6b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e76fb265eb06c2bf6e7363286d6c0c8a855f1212bc354117d86da0b08c7c22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d7e76fb265eb06c2bf6e7363286d6c0c8a855f1212bc354117d86da0b08c7c22", kill_on_drop: false }`
[INFO] [stderr]     Checking xxtea v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:68:70
[INFO] [stdout]    |
[INFO] [stdout] 68 |             v[p as usize] = v[p as usize].wrapping_add(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                                      ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/xxtea.rs:93:56
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 v[p] = v[p].wrapping_sub(mx(sum, y, z, (p as u32), e, &key));
[INFO] [stdout]    |                                                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "d7e76fb265eb06c2bf6e7363286d6c0c8a855f1212bc354117d86da0b08c7c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e76fb265eb06c2bf6e7363286d6c0c8a855f1212bc354117d86da0b08c7c22", kill_on_drop: false }`
[INFO] [stdout] d7e76fb265eb06c2bf6e7363286d6c0c8a855f1212bc354117d86da0b08c7c22