[INFO] fetching crate redux 0.2.0...
[INFO] documenting redux-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate redux 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate redux 0.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redux 0.2.0
[INFO] finished tweaking crates.io crate redux 0.2.0
[INFO] tweaked toml for crates.io crate redux 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5efca453e61524e786e423b5f0293c466d31834b4b9e90a312862045859f2d9e
[INFO] running `Command { std: "docker" "start" "-a" "5efca453e61524e786e423b5f0293c466d31834b4b9e90a312862045859f2d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5efca453e61524e786e423b5f0293c466d31834b4b9e90a312862045859f2d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5efca453e61524e786e423b5f0293c466d31834b4b9e90a312862045859f2d9e", kill_on_drop: false }`
[INFO] [stdout] 5efca453e61524e786e423b5f0293c466d31834b4b9e90a312862045859f2d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f9ffc718c56652fc1ca1183c51f275a754205b94a6eba121d6ed1d9e86c40c
[INFO] running `Command { std: "docker" "start" "-a" "11f9ffc718c56652fc1ca1183c51f275a754205b94a6eba121d6ed1d9e86c40c", kill_on_drop: false }`
[INFO] [stderr]  Documenting redux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/codec.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |                self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]    |                            ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 77 -                self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 77 +                self.low -= self.model.parameters().code_one_fourth;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/codec.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |                self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]    |                             ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -                self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 78 +                self.high -= self.model.parameters().code_one_fourth;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/codec.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let symbol = match input.read_bits({ self.model.parameters().symbol_bits }) {
[INFO] [stdout]     |                                                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 106 -             let symbol = match input.read_bits({ self.model.parameters().symbol_bits }) {
[INFO] [stdout] 106 +             let symbol = match input.read_bits(self.model.parameters().symbol_bits) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 self.pending -= { self.model.parameters().code_half };
[INFO] [stdout]     |                                 ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 144 -                 self.pending -= { self.model.parameters().code_half };
[INFO] [stdout] 144 +                 self.pending -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 self.low -= { self.model.parameters().code_half };
[INFO] [stdout]     |                             ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 145 -                 self.low -= { self.model.parameters().code_half };
[INFO] [stdout] 145 +                 self.low -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:146:30
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 self.high -= { self.model.parameters().code_half };
[INFO] [stdout]     |                              ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 146 -                 self.high -= { self.model.parameters().code_half };
[INFO] [stdout] 146 +                 self.high -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 self.pending -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                                 ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 148 -                 self.pending -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 148 +                 self.pending -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                             ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 149 +                 self.low -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                              ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 150 -                 self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 150 +                 self.high -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/codec.rs:171:48
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 try!(output.write_bits(symbol, { self.model.parameters().symbol_bits }));
[INFO] [stdout]     |                                                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 try!(output.write_bits(symbol, { self.model.parameters().symbol_bits }));
[INFO] [stdout] 171 +                 try!(output.write_bits(symbol, self.model.parameters().symbol_bits));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "11f9ffc718c56652fc1ca1183c51f275a754205b94a6eba121d6ed1d9e86c40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f9ffc718c56652fc1ca1183c51f275a754205b94a6eba121d6ed1d9e86c40c", kill_on_drop: false }`
[INFO] [stdout] 11f9ffc718c56652fc1ca1183c51f275a754205b94a6eba121d6ed1d9e86c40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2178961c4801e10c7948717a4c45d4988e9fed43e507e5cd86a434bea8ee683e
[INFO] running `Command { std: "docker" "start" "-a" "2178961c4801e10c7948717a4c45d4988e9fed43e507e5cd86a434bea8ee683e", kill_on_drop: false }`
[INFO] [stderr]  Documenting redux v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/codec.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |                self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]    |                            ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 77 -                self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 77 +                self.low -= self.model.parameters().code_one_fourth;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]   --> src/codec.rs:78:29
[INFO] [stdout]    |
[INFO] [stdout] 78 |                self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]    |                             ^^                                       ^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 78 -                self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 78 +                self.high -= self.model.parameters().code_one_fourth;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/codec.rs:106:48
[INFO] [stdout]     |
[INFO] [stdout] 106 |             let symbol = match input.read_bits({ self.model.parameters().symbol_bits }) {
[INFO] [stdout]     |                                                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 106 -             let symbol = match input.read_bits({ self.model.parameters().symbol_bits }) {
[INFO] [stdout] 106 +             let symbol = match input.read_bits(self.model.parameters().symbol_bits) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:144:33
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 self.pending -= { self.model.parameters().code_half };
[INFO] [stdout]     |                                 ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 144 -                 self.pending -= { self.model.parameters().code_half };
[INFO] [stdout] 144 +                 self.pending -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:145:29
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 self.low -= { self.model.parameters().code_half };
[INFO] [stdout]     |                             ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 145 -                 self.low -= { self.model.parameters().code_half };
[INFO] [stdout] 145 +                 self.low -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:146:30
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 self.high -= { self.model.parameters().code_half };
[INFO] [stdout]     |                              ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 146 -                 self.high -= { self.model.parameters().code_half };
[INFO] [stdout] 146 +                 self.high -= self.model.parameters().code_half;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 self.pending -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                                 ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 148 -                 self.pending -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 148 +                 self.pending -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                             ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 self.low -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 149 +                 self.low -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/codec.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout]     |                              ^^                                       ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 150 -                 self.high -= { self.model.parameters().code_one_fourth };
[INFO] [stdout] 150 +                 self.high -= self.model.parameters().code_one_fourth;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/codec.rs:171:48
[INFO] [stdout]     |
[INFO] [stdout] 171 |                 try!(output.write_bits(symbol, { self.model.parameters().symbol_bits }));
[INFO] [stdout]     |                                                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 171 -                 try!(output.write_bits(symbol, { self.model.parameters().symbol_bits }));
[INFO] [stdout] 171 +                 try!(output.write_bits(symbol, self.model.parameters().symbol_bits));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2178961c4801e10c7948717a4c45d4988e9fed43e507e5cd86a434bea8ee683e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2178961c4801e10c7948717a4c45d4988e9fed43e507e5cd86a434bea8ee683e", kill_on_drop: false }`
[INFO] [stdout] 2178961c4801e10c7948717a4c45d4988e9fed43e507e5cd86a434bea8ee683e