[INFO] fetching crate nikidb 0.1.1...
[INFO] documenting nikidb-0.1.1 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate nikidb 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate nikidb 0.1.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nikidb 0.1.1
[INFO] finished tweaking crates.io crate nikidb 0.1.1
[INFO] tweaked toml for crates.io crate nikidb 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39707b4fdc15919b89ee530faea14457d19487ddf7786bda192d4b9b280c56a5
[INFO] running `Command { std: "docker" "start" "-a" "39707b4fdc15919b89ee530faea14457d19487ddf7786bda192d4b9b280c56a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39707b4fdc15919b89ee530faea14457d19487ddf7786bda192d4b9b280c56a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39707b4fdc15919b89ee530faea14457d19487ddf7786bda192d4b9b280c56a5", kill_on_drop: false }`
[INFO] [stdout] 39707b4fdc15919b89ee530faea14457d19487ddf7786bda192d4b9b280c56a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec2413de900bcb749f7af7ee168596688df88a896e48541eb8237bed0efd1cdf
[INFO] running `Command { std: "docker" "start" "-a" "ec2413de900bcb749f7af7ee168596688df88a896e48541eb8237bed0efd1cdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]  Documenting nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "ec2413de900bcb749f7af7ee168596688df88a896e48541eb8237bed0efd1cdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec2413de900bcb749f7af7ee168596688df88a896e48541eb8237bed0efd1cdf", kill_on_drop: false }`
[INFO] [stdout] ec2413de900bcb749f7af7ee168596688df88a896e48541eb8237bed0efd1cdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452384a58eaaf3e10607b3c0266bca40d643c64b0ae88423e590cbf9ac92f848
[INFO] running `Command { std: "docker" "start" "-a" "452384a58eaaf3e10607b3c0266bca40d643c64b0ae88423e590cbf9ac92f848", kill_on_drop: false }`
[INFO] [stderr]  Documenting nikidb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:230:30
[INFO] [stdout]     |
[INFO] [stdout] 230 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 230 -                     Ok(v) => (v),
[INFO] [stdout] 230 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:231:31
[INFO] [stdout]     |
[INFO] [stdout] 231 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 231 -                     Err(e) => (e),
[INFO] [stdout] 231 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |                     Ok(v) => (v),
[INFO] [stdout]     |                              ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 238 -                     Ok(v) => (v),
[INFO] [stdout] 238 +                     Ok(v) => v,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/cursor.rs:239:31
[INFO] [stdout]     |
[INFO] [stdout] 239 |                     Err(e) => (e),
[INFO] [stdout]     |                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 239 -                     Err(e) => (e),
[INFO] [stdout] 239 +                     Err(e) => e,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "452384a58eaaf3e10607b3c0266bca40d643c64b0ae88423e590cbf9ac92f848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452384a58eaaf3e10607b3c0266bca40d643c64b0ae88423e590cbf9ac92f848", kill_on_drop: false }`
[INFO] [stdout] 452384a58eaaf3e10607b3c0266bca40d643c64b0ae88423e590cbf9ac92f848
