[INFO] fetching crate hash-algorithms 0.1.0...
[INFO] testing hash-algorithms-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate hash-algorithms 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate hash-algorithms 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hash-algorithms 0.1.0
[INFO] finished tweaking crates.io crate hash-algorithms 0.1.0
[INFO] tweaked toml for crates.io crate hash-algorithms 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47473d1547e4b302c5aacc341c0eed08ec5d34b5ef8579a4898d474a72ff754d
[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" "47473d1547e4b302c5aacc341c0eed08ec5d34b5ef8579a4898d474a72ff754d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47473d1547e4b302c5aacc341c0eed08ec5d34b5ef8579a4898d474a72ff754d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47473d1547e4b302c5aacc341c0eed08ec5d34b5ef8579a4898d474a72ff754d", kill_on_drop: false }`
[INFO] [stdout] 47473d1547e4b302c5aacc341c0eed08ec5d34b5ef8579a4898d474a72ff754d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a7d700dc719008d1d98eaebb53d8702566c05a9e95b36b491576a2b74edfb14
[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" "6a7d700dc719008d1d98eaebb53d8702566c05a9e95b36b491576a2b74edfb14", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     key ^= (key >> 10);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     key ^= (key >> 10);
[INFO] [stdout] 75 +     key ^= key >> 10;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     key += (key << 3);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     key += (key << 3);
[INFO] [stdout] 76 +     key += key << 3;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     key ^= (key >> 6);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     key ^= (key >> 6);
[INFO] [stdout] 77 +     key ^= key >> 6;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     key ^= (key >> 16);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     key ^= (key >> 16);
[INFO] [stdout] 79 +     key ^= key >> 16;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout]    |                 ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout] 98 +         hash ^= (hash << 5) + (*v as i64) + (hash >> 2);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:115:20
[INFO] [stdout]     |
[INFO] [stdout] 115 |             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout]     |                    ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout] 115 +             hash = (hash ^ (test >> three_quarters)) & (!high_bits);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |             hash ^= (x >> 24);
[INFO] [stdout]     |                     ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -             hash ^= (x >> 24);
[INFO] [stdout] 129 +             hash ^= x >> 24;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             hash &= (!x);
[INFO] [stdout]     |                     ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -             hash &= (!x);
[INFO] [stdout] 130 +             hash &= !x;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let vv = (*v as i64);
[INFO] [stdout]     |                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         let vv = (*v as i64);
[INFO] [stdout] 178 +         let vv = *v as i64;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout]     |                     ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout] 180 +             hash ^= (hash << 7) ^ vv ^ (hash >> 3);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout]     |                     ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout] 182 +             hash ^= !((hash << 11) ^ vv ^ (hash >> 5));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `test` is never read
[INFO] [stdout]    --> src/lib.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut test = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut x = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (mut a, mut b): (i64, i64) = (63689, 378551);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut seed = 131;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "6a7d700dc719008d1d98eaebb53d8702566c05a9e95b36b491576a2b74edfb14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7d700dc719008d1d98eaebb53d8702566c05a9e95b36b491576a2b74edfb14", kill_on_drop: false }`
[INFO] [stdout] 6a7d700dc719008d1d98eaebb53d8702566c05a9e95b36b491576a2b74edfb14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d966b0c3178203464d0977f80fb9a42ab97905dfd51ce6303114a4c422e4b7a
[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" "7d966b0c3178203464d0977f80fb9a42ab97905dfd51ce6303114a4c422e4b7a", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     key ^= (key >> 10);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     key ^= (key >> 10);
[INFO] [stdout] 75 +     key ^= key >> 10;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     key += (key << 3);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     key += (key << 3);
[INFO] [stdout] 76 +     key += key << 3;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     key ^= (key >> 6);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     key ^= (key >> 6);
[INFO] [stdout] 77 +     key ^= key >> 6;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     key ^= (key >> 16);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     key ^= (key >> 16);
[INFO] [stdout] 79 +     key ^= key >> 16;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout]    |                 ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout] 98 +         hash ^= (hash << 5) + (*v as i64) + (hash >> 2);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:115:20
[INFO] [stdout]     |
[INFO] [stdout] 115 |             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout]     |                    ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout] 115 +             hash = (hash ^ (test >> three_quarters)) & (!high_bits);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |             hash ^= (x >> 24);
[INFO] [stdout]     |                     ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -             hash ^= (x >> 24);
[INFO] [stdout] 129 +             hash ^= x >> 24;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             hash &= (!x);
[INFO] [stdout]     |                     ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -             hash &= (!x);
[INFO] [stdout] 130 +             hash &= !x;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let vv = (*v as i64);
[INFO] [stdout]     |                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         let vv = (*v as i64);
[INFO] [stdout] 178 +         let vv = *v as i64;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout]     |                     ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout] 180 +             hash ^= (hash << 7) ^ vv ^ (hash >> 3);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout]     |                     ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout] 182 +             hash ^= !((hash << 11) ^ vv ^ (hash >> 5));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `test` is never read
[INFO] [stdout]    --> src/lib.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut test = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut x = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (mut a, mut b): (i64, i64) = (63689, 378551);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut seed = 131;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hash-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     key ^= (key >> 10);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     key ^= (key >> 10);
[INFO] [stdout] 75 +     key ^= key >> 10;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     key += (key << 3);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -     key += (key << 3);
[INFO] [stdout] 76 +     key += key << 3;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     key ^= (key >> 6);
[INFO] [stdout]    |            ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 77 -     key ^= (key >> 6);
[INFO] [stdout] 77 +     key ^= key >> 6;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     key ^= (key >> 16);
[INFO] [stdout]    |            ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -     key ^= (key >> 16);
[INFO] [stdout] 79 +     key ^= key >> 16;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/lib.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout]    |                 ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stdout] 98 +         hash ^= (hash << 5) + (*v as i64) + (hash >> 2);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:115:20
[INFO] [stdout]     |
[INFO] [stdout] 115 |             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout]     |                    ^                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stdout] 115 +             hash = (hash ^ (test >> three_quarters)) & (!high_bits);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |             hash ^= (x >> 24);
[INFO] [stdout]     |                     ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 129 -             hash ^= (x >> 24);
[INFO] [stdout] 129 +             hash ^= x >> 24;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:130:21
[INFO] [stdout]     |
[INFO] [stdout] 130 |             hash &= (!x);
[INFO] [stdout]     |                     ^  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 130 -             hash &= (!x);
[INFO] [stdout] 130 +             hash &= !x;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let vv = (*v as i64);
[INFO] [stdout]     |                  ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         let vv = (*v as i64);
[INFO] [stdout] 178 +         let vv = *v as i64;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout]     |                     ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stdout] 180 +             hash ^= (hash << 7) ^ vv ^ (hash >> 3);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:182:21
[INFO] [stdout]     |
[INFO] [stdout] 182 |             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout]     |                     ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stdout] 182 +             hash ^= !((hash << 11) ^ vv ^ (hash >> 5));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bkdr_hash`, `rs_hash`
[INFO] [stdout]    --> src/lib.rs:200:85
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use crate::{additive_hash, rotating_hash, one_by_one_hash, bernstein, int_hash, rs_hash, js_hash, pjw_hash, elf_hash, bkdr_hash, sdbm...
[INFO] [stdout]     |                                                                                     ^^^^^^^                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `test` is never read
[INFO] [stdout]    --> src/lib.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |     let mut test = 0;
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let mut x = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let (mut a, mut b): (i64, i64) = (63689, 378551);
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut seed = 131;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7d966b0c3178203464d0977f80fb9a42ab97905dfd51ce6303114a4c422e4b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d966b0c3178203464d0977f80fb9a42ab97905dfd51ce6303114a4c422e4b7a", kill_on_drop: false }`
[INFO] [stdout] 7d966b0c3178203464d0977f80fb9a42ab97905dfd51ce6303114a4c422e4b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", 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] da3a1f3df1f803dde6327377516e90b1e438810ec0dc7ff903f8092c82eb85c8
[INFO] running `Command { std: "docker" "start" "-a" "da3a1f3df1f803dde6327377516e90b1e438810ec0dc7ff903f8092c82eb85c8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     key ^= (key >> 10);
[INFO] [stderr]    |            ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     key ^= (key >> 10);
[INFO] [stderr] 75 +     key ^= key >> 10;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     key += (key << 3);
[INFO] [stderr]    |            ^        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     key += (key << 3);
[INFO] [stderr] 76 +     key += key << 3;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     key ^= (key >> 6);
[INFO] [stderr]    |            ^        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -     key ^= (key >> 6);
[INFO] [stderr] 77 +     key ^= key >> 6;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     key ^= (key >> 16);
[INFO] [stderr]    |            ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     key ^= (key >> 16);
[INFO] [stderr] 79 +     key ^= key >> 16;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/lib.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stderr]    |                 ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 98 -         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stderr] 98 +         hash ^= (hash << 5) + (*v as i64) + (hash >> 2);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:115:20
[INFO] [stderr]     |
[INFO] [stderr] 115 |             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stderr]     |                    ^                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 115 -             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stderr] 115 +             hash = (hash ^ (test >> three_quarters)) & (!high_bits);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |             hash ^= (x >> 24);
[INFO] [stderr]     |                     ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 129 -             hash ^= (x >> 24);
[INFO] [stderr] 129 +             hash ^= x >> 24;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |             hash &= (!x);
[INFO] [stderr]     |                     ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 130 -             hash &= (!x);
[INFO] [stderr] 130 +             hash &= !x;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let vv = (*v as i64);
[INFO] [stderr]     |                  ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 -         let vv = (*v as i64);
[INFO] [stderr] 178 +         let vv = *v as i64;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 |             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stderr]     |                     ^                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stderr] 180 +             hash ^= (hash << 7) ^ vv ^ (hash >> 3);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/lib.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 |             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stderr]     |                     ^                                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 182 -             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stderr] 182 +             hash ^= !((hash << 11) ^ vv ^ (hash >> 5));
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `test` is never read
[INFO] [stderr]    --> src/lib.rs:109:13
[INFO] [stderr]     |
[INFO] [stderr] 109 |     let mut test = 0;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]    --> src/lib.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |     let mut x = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let (mut a, mut b): (i64, i64) = (63689, 378551);
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     let mut seed = 131;
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `hash-algorithms` (lib) generated 15 warnings
[INFO] [stderr] warning: unused imports: `bkdr_hash`, `rs_hash`
[INFO] [stderr]    --> src/lib.rs:200:85
[INFO] [stderr]     |
[INFO] [stderr] 200 |     use crate::{additive_hash, rotating_hash, one_by_one_hash, bernstein, int_hash, rs_hash, js_hash, pjw_hash, elf_hash, bkdr_hash, sdbm...
[INFO] [stderr]     |                                                                                     ^^^^^^^                               ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hash-algorithms` (lib test) generated 16 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hash_algorithms-d94379339aa12f89)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::main ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hash-algorithms
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     key ^= (key >> 10);
[INFO] [stderr]    |            ^         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 75 -     key ^= (key >> 10);
[INFO] [stderr] 75 +     key ^= key >> 10;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 76 |     key += (key << 3);
[INFO] [stderr]    |            ^        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 76 -     key += (key << 3);
[INFO] [stderr] 76 +     key += key << 3;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:77:12
[INFO] [stderr]    |
[INFO] [stderr] 77 |     key ^= (key >> 6);
[INFO] [stderr]    |            ^        ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 77 -     key ^= (key >> 6);
[INFO] [stderr] 77 +     key ^= key >> 6;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 |     key ^= (key >> 16);
[INFO] [stderr]    |            ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -     key ^= (key >> 16);
[INFO] [stderr] 79 +     key ^= key >> 16;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stderr]    |                 ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 98 -         hash ^= ((hash << 5) + (*v as i64) + (hash >> 2));
[INFO] [stderr] 98 +         hash ^= (hash << 5) + (*v as i64) + (hash >> 2);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:115:20
[INFO] [stderr]     |
[INFO] [stderr] 115 |             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stderr]     |                    ^                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 115 -             hash = ((hash ^ (test >> three_quarters)) & (!high_bits));
[INFO] [stderr] 115 +             hash = (hash ^ (test >> three_quarters)) & (!high_bits);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:129:21
[INFO] [stderr]     |
[INFO] [stderr] 129 |             hash ^= (x >> 24);
[INFO] [stderr]     |                     ^       ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 129 -             hash ^= (x >> 24);
[INFO] [stderr] 129 +             hash ^= x >> 24;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:130:21
[INFO] [stderr]     |
[INFO] [stderr] 130 |             hash &= (!x);
[INFO] [stderr]     |                     ^  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 130 -             hash &= (!x);
[INFO] [stderr] 130 +             hash &= !x;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:178:18
[INFO] [stderr]     |
[INFO] [stderr] 178 |         let vv = (*v as i64);
[INFO] [stderr]     |                  ^         ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 -         let vv = (*v as i64);
[INFO] [stderr] 178 +         let vv = *v as i64;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:180:21
[INFO] [stderr]     |
[INFO] [stderr] 180 |             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stderr]     |                     ^                              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -             hash ^= ((hash << 7) ^ vv ^ (hash >> 3));
[INFO] [stderr] 180 +             hash ^= (hash << 7) ^ vv ^ (hash >> 3);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:182:21
[INFO] [stderr]     |
[INFO] [stderr] 182 |             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stderr]     |                     ^                                  ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 182 -             hash ^= (!((hash << 11) ^ vv ^ (hash >> 5)));
[INFO] [stderr] 182 +             hash ^= !((hash << 11) ^ vv ^ (hash >> 5));
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: 11 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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da3a1f3df1f803dde6327377516e90b1e438810ec0dc7ff903f8092c82eb85c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da3a1f3df1f803dde6327377516e90b1e438810ec0dc7ff903f8092c82eb85c8", kill_on_drop: false }`
[INFO] [stdout] da3a1f3df1f803dde6327377516e90b1e438810ec0dc7ff903f8092c82eb85c8