[INFO] fetching crate fuzzyhash 0.2.2...
[INFO] checking fuzzyhash-0.2.2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate fuzzyhash 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate fuzzyhash 0.2.2
[INFO] finished tweaking crates.io crate fuzzyhash 0.2.2
[INFO] tweaked toml for crates.io crate fuzzyhash 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fuzzyhash 0.2.2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fuzzyhash 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b4974bc2005de10ed155dc1099ea7f2b410d8850a8419aed694668202bf5716
[INFO] running `Command { std: "docker" "start" "-a" "5b4974bc2005de10ed155dc1099ea7f2b410d8850a8419aed694668202bf5716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b4974bc2005de10ed155dc1099ea7f2b410d8850a8419aed694668202bf5716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b4974bc2005de10ed155dc1099ea7f2b410d8850a8419aed694668202bf5716", kill_on_drop: false }`
[INFO] [stdout] 5b4974bc2005de10ed155dc1099ea7f2b410d8850a8419aed694668202bf5716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46442a806353faf033f42e27c1e61cefac8f488320e53aaedb0934da34038329
[INFO] running `Command { std: "docker" "start" "-a" "46442a806353faf033f42e27c1e61cefac8f488320e53aaedb0934da34038329", kill_on_drop: false }`
[INFO] [stderr]     Checking fuzzyhash v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/roll.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.h1 -= self.window[(self.n as usize % constants::ROLLING_WINDOW)] as u32;
[INFO] [stdout]    |                                ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         self.h1 -= self.window[(self.n as usize % constants::ROLLING_WINDOW)] as u32;
[INFO] [stdout] 21 +         self.h1 -= self.window[self.n as usize % constants::ROLLING_WINDOW ] as u32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/roll.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.window[(self.n as usize % constants::ROLLING_WINDOW)] = c;
[INFO] [stdout]    |                     ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         self.window[(self.n as usize % constants::ROLLING_WINDOW)] = c;
[INFO] [stdout] 23 +         self.window[self.n as usize % constants::ROLLING_WINDOW ] = c;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/roll.rs:21:32
[INFO] [stdout]    |
[INFO] [stdout] 21 |         self.h1 -= self.window[(self.n as usize % constants::ROLLING_WINDOW)] as u32;
[INFO] [stdout]    |                                ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 -         self.h1 -= self.window[(self.n as usize % constants::ROLLING_WINDOW)] as u32;
[INFO] [stdout] 21 +         self.h1 -= self.window[self.n as usize % constants::ROLLING_WINDOW ] as u32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/roll.rs:23:21
[INFO] [stdout]    |
[INFO] [stdout] 23 |         self.window[(self.n as usize % constants::ROLLING_WINDOW)] = c;
[INFO] [stdout]    |                     ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -         self.window[(self.n as usize % constants::ROLLING_WINDOW)] = c;
[INFO] [stdout] 23 +         self.window[self.n as usize % constants::ROLLING_WINDOW ] = c;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/compare_strings1.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         FuzzyHash::compare(&string1, &string2);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |         let _ = FuzzyHash::compare(&string1, &string2);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "46442a806353faf033f42e27c1e61cefac8f488320e53aaedb0934da34038329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46442a806353faf033f42e27c1e61cefac8f488320e53aaedb0934da34038329", kill_on_drop: false }`
[INFO] [stdout] 46442a806353faf033f42e27c1e61cefac8f488320e53aaedb0934da34038329
