[INFO] updating cached repository https://github.com/ampersand-lang/etc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f37c44024d91322a51c1dd5cdea9d2560827f75
[INFO] documenting ampersand-lang/etc-rs against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fampersand-lang%2Fetc-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ampersand-lang/etc-rs on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ampersand-lang/etc-rs
[INFO] finished tweaking git repo https://github.com/ampersand-lang/etc-rs
[INFO] tweaked toml for git repo https://github.com/ampersand-lang/etc-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ampersand-lang/etc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3ffabe014d78a8a68720f829fade7acfce57cefea9b30cb18c0fdeb17d2d65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c3ffabe014d78a8a68720f829fade7acfce57cefea9b30cb18c0fdeb17d2d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3ffabe014d78a8a68720f829fade7acfce57cefea9b30cb18c0fdeb17d2d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3ffabe014d78a8a68720f829fade7acfce57cefea9b30cb18c0fdeb17d2d65", kill_on_drop: false }`
[INFO] [stdout] 0c3ffabe014d78a8a68720f829fade7acfce57cefea9b30cb18c0fdeb17d2d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88326bedfe4129ceebc2156e10662fc23b40cee82097b682ebd6895cc48a667d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "88326bedfe4129ceebc2156e10662fc23b40cee82097b682ebd6895cc48a667d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.62.0
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[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking abort_on_panic v2.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.62.0
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking clap v2.33.0
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[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
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[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking backtrace v0.3.46
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[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]    Compiling cranelift-codegen v0.62.0
[INFO] [stderr]    Compiling libffi-sys v0.9.1
[INFO] [stderr]     Checking cranelift-module v0.62.0
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[INFO] [stderr]     Checking cranelift-native v0.62.0
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[INFO] [stderr]     Checking cranelift-object v0.62.0
[INFO] [stderr]     Checking libffi v0.9.0
[INFO] [stderr]  Documenting etc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:77:51
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub unsafe extern "C" fn __etc_md_value_none() -> MdValueIndex {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using a struct instead
[INFO] [stdout]    = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:84:71
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub unsafe extern "C" fn __etc_md_value_some(var: *const Variable) -> MdValueIndex {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a struct instead
[INFO] [stdout]    = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:91:50
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub unsafe extern "C" fn __etc_md_type_none() -> MdTypeIndex {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a struct instead
[INFO] [stdout]    = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:98:62
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub unsafe extern "C" fn __etc_md_type_some(t: TypeIndex) -> MdTypeIndex {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a struct instead
[INFO] [stdout]    = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:177:23
[INFO] [stdout]     |
[INFO] [stdout] 177 |     (typeh1, typeh2): MdTypeIndex,
[INFO] [stdout]     |                       ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |     (valueh1, valueh2): MdValueIndex,
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:203:23
[INFO] [stdout]     |
[INFO] [stdout] 203 |     (typeh1, typeh2): MdTypeIndex,
[INFO] [stdout]     |                       ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:204:25
[INFO] [stdout]     |
[INFO] [stdout] 204 |     (valueh1, valueh2): MdValueIndex,
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:336:23
[INFO] [stdout]     |
[INFO] [stdout] 336 |     (typeh1, typeh2): MdTypeIndex,
[INFO] [stdout]     |                       ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:337:25
[INFO] [stdout]     |
[INFO] [stdout] 337 |     (valueh1, valueh2): MdValueIndex,
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:374:23
[INFO] [stdout]     |
[INFO] [stdout] 374 |     (typeh1, typeh2): MdTypeIndex,
[INFO] [stdout]     |                       ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:375:25
[INFO] [stdout]     |
[INFO] [stdout] 375 |     (valueh1, valueh2): MdValueIndex,
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:412:23
[INFO] [stdout]     |
[INFO] [stdout] 412 |     (typeh1, typeh2): MdTypeIndex,
[INFO] [stdout]     |                       ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `(usize, usize)`, which is not FFI-safe
[INFO] [stdout]    --> src/ffi.rs:413:25
[INFO] [stdout]     |
[INFO] [stdout] 413 |     (valueh1, valueh2): MdValueIndex,
[INFO] [stdout]     |                         ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a struct instead
[INFO] [stdout]     = note: tuples have unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "88326bedfe4129ceebc2156e10662fc23b40cee82097b682ebd6895cc48a667d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88326bedfe4129ceebc2156e10662fc23b40cee82097b682ebd6895cc48a667d", kill_on_drop: false }`
[INFO] [stdout] 88326bedfe4129ceebc2156e10662fc23b40cee82097b682ebd6895cc48a667d