[INFO] fetching crate embedded-ffi 0.1.2...
[INFO] documenting embedded-ffi-0.1.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate embedded-ffi 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate embedded-ffi 0.1.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-ffi 0.1.2
[INFO] finished tweaking crates.io crate embedded-ffi 0.1.2
[INFO] tweaked toml for crates.io crate embedded-ffi 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 cstr_core v0.1.2
[INFO] [stderr]   Downloaded cty v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4c98ffac501f66868e22cede6d6bf1bde3fefe041bab201083aafaca3360cd
[INFO] running `Command { std: "docker" "start" "-a" "af4c98ffac501f66868e22cede6d6bf1bde3fefe041bab201083aafaca3360cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4c98ffac501f66868e22cede6d6bf1bde3fefe041bab201083aafaca3360cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4c98ffac501f66868e22cede6d6bf1bde3fefe041bab201083aafaca3360cd", kill_on_drop: false }`
[INFO] [stdout] af4c98ffac501f66868e22cede6d6bf1bde3fefe041bab201083aafaca3360cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33d8748f657807f43299fa82c17d19e48083267e74703c34dafe1dcc4c312836
[INFO] running `Command { std: "docker" "start" "-a" "33d8748f657807f43299fa82c17d19e48083267e74703c34dafe1dcc4c312836", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cty v0.1.5
[INFO] [stderr]     Checking cstr_core v0.1.2
[INFO] [stderr]  Documenting embedded-ffi v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stdout]  --> src/lib.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![forbid(intra_doc_link_resolution_failure)]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `alloc::string::String`
[INFO] [stdout]    --> src/lib.rs:115:17
[INFO] [stdout]     |
[INFO] [stdout] 115 | //! [`String`]: alloc::string::String
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ no item named `alloc` in scope
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:11
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![forbid(intra_doc_link_resolution_failure)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CString`
[INFO] [stdout]   --> src/lib.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | //! [`CString`] and [`CStr`] are useful when you need to transfer
[INFO] [stdout]    |      ^^^^^^^^^ no item named `CString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CString`
[INFO] [stdout]   --> src/lib.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 | //! * **From Rust to C:** [`CString`] represents an owned, C-friendly
[INFO] [stdout]    |                            ^^^^^^^^^ no item named `CString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CString`
[INFO] [stdout]   --> src/lib.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 | //! Rust code can create a [`CString`] out of a normal string (provided
[INFO] [stdout]    |                             ^^^^^^^^^ no item named `CString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]   --> src/lib.rs:85:6
[INFO] [stdout]    |
[INFO] [stdout] 85 | //! [`OsString`] and [`OsStr`] are useful when you need to transfer
[INFO] [stdout]    |      ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]   --> src/lib.rs:87:59
[INFO] [stdout]    |
[INFO] [stdout] 87 | //! the output of external commands. Conversions between [`OsString`],
[INFO] [stdout]    |                                                           ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `CString`
[INFO] [stdout]   --> src/lib.rs:88:61
[INFO] [stdout]    |
[INFO] [stdout] 88 | //! [`OsStr`] and Rust strings work similarly to those for [`CString`]
[INFO] [stdout]    |                                                             ^^^^^^^^^ no item named `CString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]   --> src/lib.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | //! * [`OsString`] represents an owned string in whatever
[INFO] [stdout]    |        ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]   --> src/lib.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 | //! system use [`OsString`] instead of plain strings.
[INFO] [stdout]    |                 ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]   --> src/lib.rs:99:6
[INFO] [stdout]    |
[INFO] [stdout] 99 | //! [`OsString`].
[INFO] [stdout]    |      ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]    --> src/lib.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 | //! Additionally, on Unix [`OsString`] implements the
[INFO] [stdout]     |                            ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsStringExt`
[INFO] [stdout]    --> src/lib.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | //! [`OsStringExt`] trait,
[INFO] [stdout]     |      ^^^^^^^^^^^^^ no item named `OsStringExt` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsStringExt::from_vec`
[INFO] [stdout]    --> src/lib.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 | //! [`from_vec`]: OsStringExt::from_vec
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ no item named `OsStringExt` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsStringExt::into_vec`
[INFO] [stdout]    --> src/lib.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 | //! [`into_vec`]: OsStringExt::into_vec
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^ no item named `OsStringExt` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `String`
[INFO] [stdout]   --> src/os_str.rs:97:52
[INFO] [stdout]    |
[INFO] [stdout] 97 | /// `&OsStr` is to [`OsString`] as [`&str`] is to [`String`]: the former in each pair are borrowed
[INFO] [stdout]    |                                                    ^^^^^^^^ no item named `String` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `str` is both a module and a builtin type
[INFO] [stdout]    --> src/os_str.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// [`&str`]: str
[INFO] [stdout]     |               ^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// [`&str`]: mod@str
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]     |
[INFO] [stdout] 104 | /// [`&str`]: prim@str
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `str` is both a module and a builtin type
[INFO] [stdout]    --> src/os_str.rs:508:16
[INFO] [stdout]     |
[INFO] [stdout] 508 |     /// [`&str`]: str
[INFO] [stdout]     |                   ^^^ ambiguous link
[INFO] [stdout]     |
[INFO] [stdout] help: to link to the module, prefix with `mod@`
[INFO] [stdout]     |
[INFO] [stdout] 508 |     /// [`&str`]: mod@str
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] help: to link to the builtin type, prefix with `prim@`
[INFO] [stdout]     |
[INFO] [stdout] 508 |     /// [`&str`]: prim@str
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]    --> src/os_str.rs:613:27
[INFO] [stdout]     |
[INFO] [stdout] 613 |     /// As discussed in the [`OsString`] introduction, [`OsString`] and `OsStr`
[INFO] [stdout]     |                              ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString`
[INFO] [stdout]    --> src/os_str.rs:613:54
[INFO] [stdout]     |
[INFO] [stdout] 613 |     /// As discussed in the [`OsString`] introduction, [`OsString`] and `OsStr`
[INFO] [stdout]     |                                                         ^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `OsString::with_capacity`
[INFO] [stdout]    --> src/os_str.rs:619:7
[INFO] [stdout]     |
[INFO] [stdout] 619 |     /// [`OsString::with_capacity`] to avoid reallocations.
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `OsString` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "33d8748f657807f43299fa82c17d19e48083267e74703c34dafe1dcc4c312836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d8748f657807f43299fa82c17d19e48083267e74703c34dafe1dcc4c312836", kill_on_drop: false }`
[INFO] [stdout] 33d8748f657807f43299fa82c17d19e48083267e74703c34dafe1dcc4c312836
