[INFO] cloning repository https://github.com/blackscalare/synacor-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blackscalare/synacor-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackscalare%2Fsynacor-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackscalare%2Fsynacor-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dda7c19ad26ff7beec57627279c6f0dd1dd5b3c
[INFO] documenting blackscalare/synacor-rust against 1.86.0 for beta-1.87-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblackscalare%2Fsynacor-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blackscalare/synacor-rust on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blackscalare/synacor-rust
[INFO] finished tweaking git repo https://github.com/blackscalare/synacor-rust
[INFO] tweaked toml for git repo https://github.com/blackscalare/synacor-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/blackscalare/synacor-rust 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd10c74fe0b009506bef425c6d6b952022d420d3cc1534f2c8364f79b699000f
[INFO] running `Command { std: "docker" "start" "-a" "fd10c74fe0b009506bef425c6d6b952022d420d3cc1534f2c8364f79b699000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd10c74fe0b009506bef425c6d6b952022d420d3cc1534f2c8364f79b699000f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd10c74fe0b009506bef425c6d6b952022d420d3cc1534f2c8364f79b699000f", kill_on_drop: false }`
[INFO] [stdout] fd10c74fe0b009506bef425c6d6b952022d420d3cc1534f2c8364f79b699000f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c7bb893b85ffe1906eb5f13c83e860516a6d94aefc84e5bde8e336b18668ecd
[INFO] running `Command { std: "docker" "start" "-a" "0c7bb893b85ffe1906eb5f13c83e860516a6d94aefc84e5bde8e336b18668ecd", kill_on_drop: false }`
[INFO] [stderr]  Documenting synacor-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:139:45
[INFO] [stdout]     |
[INFO] [stdout] 139 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 139 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 139 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:140:45
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 140 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:144:45
[INFO] [stdout]     |
[INFO] [stdout] 144 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 144 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 144 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 145 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 145 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:146:45
[INFO] [stdout]     |
[INFO] [stdout] 146 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 146 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 146 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:150:45
[INFO] [stdout]     |
[INFO] [stdout] 150 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 150 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:155:45
[INFO] [stdout]     |
[INFO] [stdout] 155 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 155 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:164:45
[INFO] [stdout]     |
[INFO] [stdout] 164 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 164 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 164 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:165:45
[INFO] [stdout]     |
[INFO] [stdout] 165 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 165 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:166:45
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 166 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 166 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:170:45
[INFO] [stdout]     |
[INFO] [stdout] 170 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 170 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 170 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:171:45
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 171 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 171 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:172:45
[INFO] [stdout]     |
[INFO] [stdout] 172 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 172 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:176:45
[INFO] [stdout]     |
[INFO] [stdout] 176 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 176 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 176 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:177:45
[INFO] [stdout]     |
[INFO] [stdout] 177 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 177 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 177 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:178:45
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 178 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:182:45
[INFO] [stdout]     |
[INFO] [stdout] 182 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 182 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 182 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 183 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:184:45
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 184 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:188:45
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 188 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 188 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:189:45
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 189 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:190:45
[INFO] [stdout]     |
[INFO] [stdout] 190 | ...                   c = self.memory[(cur + 3)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 190 -                             c = self.memory[(cur + 3)];
[INFO] [stdout] 190 +                             c = self.memory[cur + 3];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:194:45
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 194 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 194 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:195:45
[INFO] [stdout]     |
[INFO] [stdout] 195 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 195 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 195 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:204:45
[INFO] [stdout]     |
[INFO] [stdout] 204 | ...                   a = self.memory[(cur + 1)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 204 -                             a = self.memory[(cur + 1)];
[INFO] [stdout] 204 +                             a = self.memory[cur + 1];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/cpu.rs:205:45
[INFO] [stdout]     |
[INFO] [stdout] 205 | ...                   b = self.memory[(cur + 2)];
[INFO] [stdout]     |                                       ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 205 -                             b = self.memory[(cur + 2)];
[INFO] [stdout] 205 +                             b = self.memory[cur + 2];
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/synacor_rust/index.html
[INFO] running `Command { std: "docker" "inspect" "0c7bb893b85ffe1906eb5f13c83e860516a6d94aefc84e5bde8e336b18668ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7bb893b85ffe1906eb5f13c83e860516a6d94aefc84e5bde8e336b18668ecd", kill_on_drop: false }`
[INFO] [stdout] 0c7bb893b85ffe1906eb5f13c83e860516a6d94aefc84e5bde8e336b18668ecd