[INFO] fetching crate cfn-guard-preview 0.7.0...
[INFO] documenting cfn-guard-preview-0.7.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate cfn-guard-preview 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cfn-guard-preview 0.7.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfn-guard-preview 0.7.0
[INFO] finished tweaking crates.io crate cfn-guard-preview 0.7.0
[INFO] tweaked toml for crates.io crate cfn-guard-preview 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cfn-guard-preview 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66cb32a140b7f1c9022ff2cda47f1afd9133457515b10affd6baba6f8ebd9bda
[INFO] running `Command { std: "docker" "start" "-a" "66cb32a140b7f1c9022ff2cda47f1afd9133457515b10affd6baba6f8ebd9bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66cb32a140b7f1c9022ff2cda47f1afd9133457515b10affd6baba6f8ebd9bda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cb32a140b7f1c9022ff2cda47f1afd9133457515b10affd6baba6f8ebd9bda", kill_on_drop: false }`
[INFO] [stdout] 66cb32a140b7f1c9022ff2cda47f1afd9133457515b10affd6baba6f8ebd9bda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69b0a2f3ec2b06a057dba4fc86e210019ce81f4045c919745e2e51fddf37f48d
[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" "69b0a2f3ec2b06a057dba4fc86e210019ce81f4045c919745e2e51fddf37f48d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `cfn-guard` in package `cfn-guard-preview v0.7.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `cfn_guard` in package `cfn-guard-preview v0.7.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/cfn_guard/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.54.0 (5ae8d74b3 2021-06-22) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "cfn-guard-preview", version: "0.7.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "cfn-guard", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 3785112235677960875 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "cfn-guard-preview", version: "0.7.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("cfn_guard", ["rlib", "dylib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [], is_std: false, dep_hash: 2855289778372041034 }
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling jni v0.14.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking cfn-guard-rulegen-preview v0.7.0
[INFO] [stderr]     Checking cfn-guard-preview v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting cfn-guard-preview v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     template_file_contents: &str,
[INFO] [stdout]    |                             ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `str`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:55:26
[INFO] [stdout]    |
[INFO] [stdout] 55 |     rules_file_contents: &str,
[INFO] [stdout]    |                          ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using `*const u8` and a length instead
[INFO] [stdout]    = note: string slices have no C equivalent
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Result<(Vec<std::string::String>, usize), std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:57:6
[INFO] [stdout]    |
[INFO] [stdout] 57 | ) -> Result<(Vec<String>, usize), String> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.27s
[INFO] running `Command { std: "docker" "inspect" "69b0a2f3ec2b06a057dba4fc86e210019ce81f4045c919745e2e51fddf37f48d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69b0a2f3ec2b06a057dba4fc86e210019ce81f4045c919745e2e51fddf37f48d", kill_on_drop: false }`
[INFO] [stdout] 69b0a2f3ec2b06a057dba4fc86e210019ce81f4045c919745e2e51fddf37f48d
