[INFO] fetching crate bcm2709-spi 0.1.1...
[INFO] documenting bcm2709-spi-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bcm2709-spi 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bcm2709-spi 0.1.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcm2709-spi 0.1.1
[INFO] finished tweaking crates.io crate bcm2709-spi 0.1.1
[INFO] tweaked toml for crates.io crate bcm2709-spi 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29a8ab31b637c6b24ddabafb85bc2a656fe1d4a7d5e1ee52fa66ea116d96a9f9
[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" "29a8ab31b637c6b24ddabafb85bc2a656fe1d4a7d5e1ee52fa66ea116d96a9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29a8ab31b637c6b24ddabafb85bc2a656fe1d4a7d5e1ee52fa66ea116d96a9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a8ab31b637c6b24ddabafb85bc2a656fe1d4a7d5e1ee52fa66ea116d96a9f9", kill_on_drop: false }`
[INFO] [stdout] 29a8ab31b637c6b24ddabafb85bc2a656fe1d4a7d5e1ee52fa66ea116d96a9f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 948f6290b8c9bc9155198ba44507d5a0504ecbf0f7a30f7cc4b5ad71bee6e69d
[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" "948f6290b8c9bc9155198ba44507d5a0504ecbf0f7a30f7cc4b5ad71bee6e69d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]  Documenting bcm2709-spi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:136:59
[INFO] [stdout]     |
[INFO] [stdout] 136 |             return (spi.fifo.register.get() & 0xFF) as u8;;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:154:30
[INFO] [stdout]     |
[INFO] [stdout] 154 |         pub const RXF: u32 = (1 << 20);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         pub const RXF: u32 = (1 << 20);
[INFO] [stdout] 154 +         pub const RXF: u32 = 1 << 20;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         pub const RXR: u32 = (1 << 19);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -         pub const RXR: u32 = (1 << 19);
[INFO] [stdout] 155 +         pub const RXR: u32 = 1 << 19;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |         pub const TXD: u32 = (1 << 18);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         pub const TXD: u32 = (1 << 18);
[INFO] [stdout] 156 +         pub const TXD: u32 = 1 << 18;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |         pub const RXD: u32 = (1 << 17);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -         pub const RXD: u32 = (1 << 17);
[INFO] [stdout] 157 +         pub const RXD: u32 = 1 << 17;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 |         pub const DONE: u32 = (1 << 16);
[INFO] [stdout]     |                               ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -         pub const DONE: u32 = (1 << 16);
[INFO] [stdout] 158 +         pub const DONE: u32 = 1 << 16;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |         pub const TA: u32  = (1 << 7);
[INFO] [stdout]     |                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -         pub const TA: u32  = (1 << 7);
[INFO] [stdout] 159 +         pub const TA: u32  = 1 << 7;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:160:40
[INFO] [stdout]     |
[INFO] [stdout] 160 |         pub const CLEAR_RX_FIFO: u32 = (1 << 5);
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -         pub const CLEAR_RX_FIFO: u32 = (1 << 5);
[INFO] [stdout] 160 +         pub const CLEAR_RX_FIFO: u32 = 1 << 5;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |         pub const CLEAR_TX_FIFO: u32 = (1 << 4);
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         pub const CLEAR_TX_FIFO: u32 = (1 << 4);
[INFO] [stdout] 161 +         pub const CLEAR_TX_FIFO: u32 = 1 << 4;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:162:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |         pub const CPOL: u32 = (1 << 3);
[INFO] [stdout]     |                               ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -         pub const CPOL: u32 = (1 << 3);
[INFO] [stdout] 162 +         pub const CPOL: u32 = 1 << 3;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         pub const CPHA: u32 = (1 << 2);
[INFO] [stdout]     |                               ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -         pub const CPHA: u32 = (1 << 2);
[INFO] [stdout] 163 +         pub const CPHA: u32 = 1 << 2;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "948f6290b8c9bc9155198ba44507d5a0504ecbf0f7a30f7cc4b5ad71bee6e69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948f6290b8c9bc9155198ba44507d5a0504ecbf0f7a30f7cc4b5ad71bee6e69d", kill_on_drop: false }`
[INFO] [stdout] 948f6290b8c9bc9155198ba44507d5a0504ecbf0f7a30f7cc4b5ad71bee6e69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9909f5e78869c24c0361dbcae82f396b0370bc476951f6fa3b7bb4639642514f
[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" "9909f5e78869c24c0361dbcae82f396b0370bc476951f6fa3b7bb4639642514f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]  Documenting bcm2709-spi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:136:59
[INFO] [stdout]     |
[INFO] [stdout] 136 |             return (spi.fifo.register.get() & 0xFF) as u8;;
[INFO] [stdout]     |                                                           ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:154:30
[INFO] [stdout]     |
[INFO] [stdout] 154 |         pub const RXF: u32 = (1 << 20);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 154 -         pub const RXF: u32 = (1 << 20);
[INFO] [stdout] 154 +         pub const RXF: u32 = 1 << 20;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:155:30
[INFO] [stdout]     |
[INFO] [stdout] 155 |         pub const RXR: u32 = (1 << 19);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 -         pub const RXR: u32 = (1 << 19);
[INFO] [stdout] 155 +         pub const RXR: u32 = 1 << 19;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |         pub const TXD: u32 = (1 << 18);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 156 -         pub const TXD: u32 = (1 << 18);
[INFO] [stdout] 156 +         pub const TXD: u32 = 1 << 18;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:157:30
[INFO] [stdout]     |
[INFO] [stdout] 157 |         pub const RXD: u32 = (1 << 17);
[INFO] [stdout]     |                              ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 157 -         pub const RXD: u32 = (1 << 17);
[INFO] [stdout] 157 +         pub const RXD: u32 = 1 << 17;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:158:31
[INFO] [stdout]     |
[INFO] [stdout] 158 |         pub const DONE: u32 = (1 << 16);
[INFO] [stdout]     |                               ^       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 158 -         pub const DONE: u32 = (1 << 16);
[INFO] [stdout] 158 +         pub const DONE: u32 = 1 << 16;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |         pub const TA: u32  = (1 << 7);
[INFO] [stdout]     |                              ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 159 -         pub const TA: u32  = (1 << 7);
[INFO] [stdout] 159 +         pub const TA: u32  = 1 << 7;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:160:40
[INFO] [stdout]     |
[INFO] [stdout] 160 |         pub const CLEAR_RX_FIFO: u32 = (1 << 5);
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 -         pub const CLEAR_RX_FIFO: u32 = (1 << 5);
[INFO] [stdout] 160 +         pub const CLEAR_RX_FIFO: u32 = 1 << 5;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:161:40
[INFO] [stdout]     |
[INFO] [stdout] 161 |         pub const CLEAR_TX_FIFO: u32 = (1 << 4);
[INFO] [stdout]     |                                        ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         pub const CLEAR_TX_FIFO: u32 = (1 << 4);
[INFO] [stdout] 161 +         pub const CLEAR_TX_FIFO: u32 = 1 << 4;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:162:31
[INFO] [stdout]     |
[INFO] [stdout] 162 |         pub const CPOL: u32 = (1 << 3);
[INFO] [stdout]     |                               ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 162 -         pub const CPOL: u32 = (1 << 3);
[INFO] [stdout] 162 +         pub const CPOL: u32 = 1 << 3;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         pub const CPHA: u32 = (1 << 2);
[INFO] [stdout]     |                               ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -         pub const CPHA: u32 = (1 << 2);
[INFO] [stdout] 163 +         pub const CPHA: u32 = 1 << 2;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "9909f5e78869c24c0361dbcae82f396b0370bc476951f6fa3b7bb4639642514f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9909f5e78869c24c0361dbcae82f396b0370bc476951f6fa3b7bb4639642514f", kill_on_drop: false }`
[INFO] [stdout] 9909f5e78869c24c0361dbcae82f396b0370bc476951f6fa3b7bb4639642514f