[INFO] fetching crate gdbstub 0.6.1...
[INFO] documenting gdbstub-0.6.1 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate gdbstub 0.6.1 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate gdbstub 0.6.1 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gdbstub 0.6.1
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate gdbstub 0.6.1
[INFO] tweaked toml for crates.io crate gdbstub 0.6.1 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate crates.io crate gdbstub 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded armv4t_emu v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71f43881183c76b53bbf2d555e17c76963ecb6e3e99582033d34f427b457ab96
[INFO] running `Command { std: "docker" "start" "-a" "71f43881183c76b53bbf2d555e17c76963ecb6e3e99582033d34f427b457ab96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71f43881183c76b53bbf2d555e17c76963ecb6e3e99582033d34f427b457ab96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f43881183c76b53bbf2d555e17c76963ecb6e3e99582033d34f427b457ab96", kill_on_drop: false }`
[INFO] [stdout] 71f43881183c76b53bbf2d555e17c76963ecb6e3e99582033d34f427b457ab96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2fdef42ea1c05bcc7b9f393275615102cd28c400cf0d46f827c110f76347356
[INFO] running `Command { std: "docker" "start" "-a" "d2fdef42ea1c05bcc7b9f393275615102cd28c400cf0d46f827c110f76347356", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]  Documenting gdbstub v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `core::slice::split_mut`
[INFO] [stdout]  --> src/util/no_panic_iter.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     /// Variant of [`core::slice::split_mut`] that elides bound checks.
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^ no item named `split_mut` in module `slice`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `core::slice::splitn_mut`
[INFO] [stdout]  --> src/util/no_panic_iter.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     /// Variant of [`core::slice::splitn_mut`] that elides bound checks.
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^ no item named `splitn_mut` in module `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.01s
[INFO] running `Command { std: "docker" "inspect" "d2fdef42ea1c05bcc7b9f393275615102cd28c400cf0d46f827c110f76347356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fdef42ea1c05bcc7b9f393275615102cd28c400cf0d46f827c110f76347356", kill_on_drop: false }`
[INFO] [stdout] d2fdef42ea1c05bcc7b9f393275615102cd28c400cf0d46f827c110f76347356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 813e09c9f465eb35f419bda48998f41f60c11f0a69924c20bbfd5695368175d9
[INFO] running `Command { std: "docker" "start" "-a" "813e09c9f465eb35f419bda48998f41f60c11f0a69924c20bbfd5695368175d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]  Documenting gdbstub v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `core::slice::split_mut`
[INFO] [stdout]  --> src/util/no_panic_iter.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     /// Variant of [`core::slice::split_mut`] that elides bound checks.
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^ no item named `split_mut` in module `slice`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `core::slice::splitn_mut`
[INFO] [stdout]  --> src/util/no_panic_iter.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     /// Variant of [`core::slice::splitn_mut`] that elides bound checks.
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^ no item named `splitn_mut` in module `slice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "813e09c9f465eb35f419bda48998f41f60c11f0a69924c20bbfd5695368175d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813e09c9f465eb35f419bda48998f41f60c11f0a69924c20bbfd5695368175d9", kill_on_drop: false }`
[INFO] [stdout] 813e09c9f465eb35f419bda48998f41f60c11f0a69924c20bbfd5695368175d9