[INFO] fetching crate data_reader 0.4.0...
[INFO] documenting data_reader-0.4.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate data_reader 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate data_reader 0.4.0 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 data_reader 0.4.0
[INFO] finished tweaking crates.io crate data_reader 0.4.0
[INFO] tweaked toml for crates.io crate data_reader 0.4.0 written to /workspace/builds/worker-2-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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.3.1
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] [stderr]   Downloaded lexical v5.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fdd59b851df085198da965c97d56817213c55c3c1b3a1c7b9fc900f2316cbb35
[INFO] running `Command { std: "docker" "start" "-a" "fdd59b851df085198da965c97d56817213c55c3c1b3a1c7b9fc900f2316cbb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd59b851df085198da965c97d56817213c55c3c1b3a1c7b9fc900f2316cbb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd59b851df085198da965c97d56817213c55c3c1b3a1c7b9fc900f2316cbb35", kill_on_drop: false }`
[INFO] [stdout] fdd59b851df085198da965c97d56817213c55c3c1b3a1c7b9fc900f2316cbb35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] eb6f5a6781eb42f952f4ff2d8bd40a54308adfe888b9d2f1630bd750c689d8c0
[INFO] running `Command { std: "docker" "start" "-a" "eb6f5a6781eb42f952f4ff2d8bd40a54308adfe888b9d2f1630bd750c689d8c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting data_reader v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/reader/parser.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         None => (num_lines - sk_h - sk_f),
[INFO] [stdout]     |                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -         None => (num_lines - sk_h - sk_f),
[INFO] [stdout] 131 +         None => num_lines - sk_h - sk_f,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "eb6f5a6781eb42f952f4ff2d8bd40a54308adfe888b9d2f1630bd750c689d8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb6f5a6781eb42f952f4ff2d8bd40a54308adfe888b9d2f1630bd750c689d8c0", kill_on_drop: false }`
[INFO] [stdout] eb6f5a6781eb42f952f4ff2d8bd40a54308adfe888b9d2f1630bd750c689d8c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/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] 5cbd2560071a6eeb465acee9f9f181f14f883b847c8369d44b2f78adc9775ad1
[INFO] running `Command { std: "docker" "start" "-a" "5cbd2560071a6eeb465acee9f9f181f14f883b847c8369d44b2f78adc9775ad1", kill_on_drop: false }`
[INFO] [stderr]  Documenting data_reader v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/reader/parser.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         None => (num_lines - sk_h - sk_f),
[INFO] [stdout]     |                 ^                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 -         None => (num_lines - sk_h - sk_f),
[INFO] [stdout] 131 +         None => num_lines - sk_h - sk_f,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "5cbd2560071a6eeb465acee9f9f181f14f883b847c8369d44b2f78adc9775ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cbd2560071a6eeb465acee9f9f181f14f883b847c8369d44b2f78adc9775ad1", kill_on_drop: false }`
[INFO] [stdout] 5cbd2560071a6eeb465acee9f9f181f14f883b847c8369d44b2f78adc9775ad1
