[INFO] fetching crate dedup_signature 0.2.1...
[INFO] testing dedup_signature-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate dedup_signature 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dedup_signature 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dedup_signature 0.2.1
[INFO] finished tweaking crates.io crate dedup_signature 0.2.1
[INFO] tweaked toml for crates.io crate dedup_signature 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cea9c0bdb20852d3bab5b7be15b57c62b4b01011f5a66db51c61f9fd47f9671
[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" "7cea9c0bdb20852d3bab5b7be15b57c62b4b01011f5a66db51c61f9fd47f9671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cea9c0bdb20852d3bab5b7be15b57c62b4b01011f5a66db51c61f9fd47f9671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cea9c0bdb20852d3bab5b7be15b57c62b4b01011f5a66db51c61f9fd47f9671", kill_on_drop: false }`
[INFO] [stdout] 7cea9c0bdb20852d3bab5b7be15b57c62b4b01011f5a66db51c61f9fd47f9671
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f0faed0fffc1606be450e68cc54eb317937f4468c8de376aaa1f4653e4f639
[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" "70f0faed0fffc1606be450e68cc54eb317937f4468c8de376aaa1f4653e4f639", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling dedup_signature v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stdout]   --> src/hash.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "70f0faed0fffc1606be450e68cc54eb317937f4468c8de376aaa1f4653e4f639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f0faed0fffc1606be450e68cc54eb317937f4468c8de376aaa1f4653e4f639", kill_on_drop: false }`
[INFO] [stdout] 70f0faed0fffc1606be450e68cc54eb317937f4468c8de376aaa1f4653e4f639
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] 4cc1001ba01c380d09df61214c911b07437049fb2f9275e4149f3f462d3c631f
[INFO] running `Command { std: "docker" "start" "-a" "4cc1001ba01c380d09df61214c911b07437049fb2f9275e4149f3f462d3c631f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stdout]   --> src/hash.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dedup_signature v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/hash.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stdout]   --> src/hash.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:71:24
[INFO] [stdout]    |
[INFO] [stdout] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/hash.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:120:24
[INFO] [stdout]     |
[INFO] [stdout] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/hash.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "4cc1001ba01c380d09df61214c911b07437049fb2f9275e4149f3f462d3c631f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc1001ba01c380d09df61214c911b07437049fb2f9275e4149f3f462d3c631f", kill_on_drop: false }`
[INFO] [stdout] 4cc1001ba01c380d09df61214c911b07437049fb2f9275e4149f3f462d3c631f
[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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2053c8cf2c4311bf6acc4e7bc098e6eee0397c28a95677e6febab6c9bf95ff69
[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" "2053c8cf2c4311bf6acc4e7bc098e6eee0397c28a95677e6febab6c9bf95ff69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/hash.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stderr]   --> src/hash.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/hash.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/hash.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:117:24
[INFO] [stderr]     |
[INFO] [stderr] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/hash.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stderr]   --> src/hash.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/hash.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/hash.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:117:24
[INFO] [stderr]     |
[INFO] [stderr] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/hash.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dedup_signature-06b907a3b79b7e75
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test hash::test::test_equals_lookup3_persian_string ... ok
[INFO] [stdout] test hash::test::test_equals_lookup3_u64 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_lookup3_signature-1e7641c5db7275ec
[INFO] [stdout] test hash::test::test_equals_lookup3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_en_word ... ok
[INFO] [stdout] test test_en_word_u64_sign ... ok
[INFO] [stdout] test test_generating_sign_for_liberty_article ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/text_profile_signature_test-abbe36b0587446cf
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_de_lang ... ok
[INFO] [stdout] test test_es_lang ... ok
[INFO] [stdout] test test_en_lang ... ok
[INFO] [stdout] test test_pt_lang ... ok
[INFO] [stdout] test test_it_lang ... ok
[INFO] [stdout] test test_fr_lang ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dedup_signature
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hash.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ((x << k) | (x >> (32 - k)))
[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 method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hash.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hash.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/hash.rs:72:24
[INFO] [stderr]    |
[INFO] [stderr] 72 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(initval);
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/hash.rs:117:24
[INFO] [stderr]     |
[INFO] [stderr] 117 |     a = a.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/hash.rs:120:24
[INFO] [stderr]     |
[INFO] [stderr] 120 |     b = b.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> /opt/rustwide/workdir/src/hash.rs:123:24
[INFO] [stderr]     |
[INFO] [stderr] 123 |     c = c.wrapping_add(((length as u32) << 2)).wrapping_add(
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2053c8cf2c4311bf6acc4e7bc098e6eee0397c28a95677e6febab6c9bf95ff69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2053c8cf2c4311bf6acc4e7bc098e6eee0397c28a95677e6febab6c9bf95ff69", kill_on_drop: false }`
[INFO] [stdout] 2053c8cf2c4311bf6acc4e7bc098e6eee0397c28a95677e6febab6c9bf95ff69