[INFO] fetching crate tari_utilities 0.3.0...
[INFO] checking tari_utilities-0.3.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate tari_utilities 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tari_utilities 0.3.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_utilities 0.3.0
[INFO] finished tweaking crates.io crate tari_utilities 0.3.0
[INFO] tweaked toml for crates.io crate tari_utilities 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 07caf8570ced6d2b45835c892df317b44ab19bedd74dae305191b5a1efa5bbf4
[INFO] running `Command { std: "docker" "start" "-a" "07caf8570ced6d2b45835c892df317b44ab19bedd74dae305191b5a1efa5bbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07caf8570ced6d2b45835c892df317b44ab19bedd74dae305191b5a1efa5bbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07caf8570ced6d2b45835c892df317b44ab19bedd74dae305191b5a1efa5bbf4", kill_on_drop: false }`
[INFO] [stdout] 07caf8570ced6d2b45835c892df317b44ab19bedd74dae305191b5a1efa5bbf4
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0b81de3774ba0238262bd99b673bb47942b8a6741d290270351235d1c8ef361a
[INFO] running `Command { std: "docker" "start" "-a" "0b81de3774ba0238262bd99b673bb47942b8a6741d290270351235d1c8ef361a", kill_on_drop: false }`
[INFO] [stderr]     Checking newtype-ops v0.1.4
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tari_utilities v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     (bits)
[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 block return value
[INFO] [stdout]   --> src/bit.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     (bits)
[INFO] [stdout]    |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     (value)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     (value)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     (bits)
[INFO] [stdout]    |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     (bytes)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/ciphers/chacha20.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (output)
[INFO] [stdout]    |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/ciphers/chacha20.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (state)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         (cipher_bytes)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         (encoded_bytes)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         (Self::encode_with_nonce(bytes, &key, &nonce))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     (bits)
[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 block return value
[INFO] [stdout]   --> src/bit.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     (bits)
[INFO] [stdout]    |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     (value)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     (value)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     (bits)
[INFO] [stdout]    |     ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/bit.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     (bytes)
[INFO] [stdout]    |     ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/ciphers/chacha20.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         (output)
[INFO] [stdout]    |         ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/ciphers/chacha20.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         (state)
[INFO] [stdout]    |         ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         (cipher_bytes)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         (encoded_bytes)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/ciphers/chacha20.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         (Self::encode_with_nonce(bytes, &key, &nonce))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "0b81de3774ba0238262bd99b673bb47942b8a6741d290270351235d1c8ef361a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b81de3774ba0238262bd99b673bb47942b8a6741d290270351235d1c8ef361a", kill_on_drop: false }`
[INFO] [stdout] 0b81de3774ba0238262bd99b673bb47942b8a6741d290270351235d1c8ef361a