[INFO] fetching crate readfilez 0.2.4...
[INFO] documenting readfilez-0.2.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate readfilez 0.2.4 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate readfilez 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 readfilez 0.2.4
[INFO] finished tweaking crates.io crate readfilez 0.2.4
[INFO] tweaked toml for crates.io crate readfilez 0.2.4 written to /workspace/builds/worker-14/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]  Downloading crates ...
[INFO] [stderr]   Downloaded delegate-attr v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 34228812322e4f295ffd71e3b6b471ca16cbd94668b8291a008fe509c03b7b29
[INFO] running `Command { std: "docker" "start" "-a" "34228812322e4f295ffd71e3b6b471ca16cbd94668b8291a008fe509c03b7b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34228812322e4f295ffd71e3b6b471ca16cbd94668b8291a008fe509c03b7b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34228812322e4f295ffd71e3b6b471ca16cbd94668b8291a008fe509c03b7b29", kill_on_drop: false }`
[INFO] [stdout] 34228812322e4f295ffd71e3b6b471ca16cbd94668b8291a008fe509c03b7b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 0c6fb46643a5f40d14b51ef3a484ae71f16e5962bfa6666e6f2b41c0e674267e
[INFO] running `Command { std: "docker" "start" "-a" "0c6fb46643a5f40d14b51ef3a484ae71f16e5962bfa6666e6f2b41c0e674267e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]  Documenting readfilez v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `offset`
[INFO] [stdout]   --> src/backend.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// starting at [`offset`] and until the given LengthSpec is met.
[INFO] [stdout]    |                   ^^^^^^ no item named `offset` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "0c6fb46643a5f40d14b51ef3a484ae71f16e5962bfa6666e6f2b41c0e674267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6fb46643a5f40d14b51ef3a484ae71f16e5962bfa6666e6f2b41c0e674267e", kill_on_drop: false }`
[INFO] [stdout] 0c6fb46643a5f40d14b51ef3a484ae71f16e5962bfa6666e6f2b41c0e674267e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] d727a8d2f6e9b243aedc6b523a4b9c6dd0a13d8c2586ceb63deaebfb642e8d76
[INFO] running `Command { std: "docker" "start" "-a" "d727a8d2f6e9b243aedc6b523a4b9c6dd0a13d8c2586ceb63deaebfb642e8d76", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]  Documenting readfilez v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `offset`
[INFO] [stdout]   --> src/backend.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// starting at [`offset`] and until the given LengthSpec is met.
[INFO] [stdout]    |                   ^^^^^^ no item named `offset` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "d727a8d2f6e9b243aedc6b523a4b9c6dd0a13d8c2586ceb63deaebfb642e8d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d727a8d2f6e9b243aedc6b523a4b9c6dd0a13d8c2586ceb63deaebfb642e8d76", kill_on_drop: false }`
[INFO] [stdout] d727a8d2f6e9b243aedc6b523a4b9c6dd0a13d8c2586ceb63deaebfb642e8d76