[INFO] fetching crate genelf 0.2.4...
[INFO] documenting genelf-0.2.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate genelf 0.2.4 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate genelf 0.2.4 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 genelf 0.2.4
[INFO] finished tweaking crates.io crate genelf 0.2.4
[INFO] tweaked toml for crates.io crate genelf 0.2.4 written to /workspace/builds/worker-38/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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 41061dc691cf4d991c48bc4032ba04628a113e2dba804704c507a615c4c9d613
[INFO] running `Command { std: "docker" "start" "-a" "41061dc691cf4d991c48bc4032ba04628a113e2dba804704c507a615c4c9d613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41061dc691cf4d991c48bc4032ba04628a113e2dba804704c507a615c4c9d613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41061dc691cf4d991c48bc4032ba04628a113e2dba804704c507a615c4c9d613", kill_on_drop: false }`
[INFO] [stdout] 41061dc691cf4d991c48bc4032ba04628a113e2dba804704c507a615c4c9d613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] fd044efdb7131486656e1e76a726edeb92cca9547ad3be6e4f88ba4341dc4269
[INFO] running `Command { std: "docker" "start" "-a" "fd044efdb7131486656e1e76a726edeb92cca9547ad3be6e4f88ba4341dc4269", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting genelf v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/elf/elf.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stdout]     |         ^                                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stdout] 178 +         (u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/elf/elf.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stdout]     |         ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stdout] 184 +         (u[18] == 0x3e) && (u[19] == 0x00)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "fd044efdb7131486656e1e76a726edeb92cca9547ad3be6e4f88ba4341dc4269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd044efdb7131486656e1e76a726edeb92cca9547ad3be6e4f88ba4341dc4269", kill_on_drop: false }`
[INFO] [stdout] fd044efdb7131486656e1e76a726edeb92cca9547ad3be6e4f88ba4341dc4269
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] e81fbe8db0a60c013d9ac09d578baccbdeca953f06531e54843bcebb60d650c3
[INFO] running `Command { std: "docker" "start" "-a" "e81fbe8db0a60c013d9ac09d578baccbdeca953f06531e54843bcebb60d650c3", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting genelf v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/elf/elf.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stdout]     |         ^                                                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stdout] 178 +         (u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/elf/elf.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stdout]     |         ^                                  ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 184 -         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stdout] 184 +         (u[18] == 0x3e) && (u[19] == 0x00)
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "e81fbe8db0a60c013d9ac09d578baccbdeca953f06531e54843bcebb60d650c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81fbe8db0a60c013d9ac09d578baccbdeca953f06531e54843bcebb60d650c3", kill_on_drop: false }`
[INFO] [stdout] e81fbe8db0a60c013d9ac09d578baccbdeca953f06531e54843bcebb60d650c3