[INFO] cloning repository https://github.com/sprhawk/helper_enum_from_ffi_macro_derive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sprhawk/helper_enum_from_ffi_macro_derive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprhawk%2Fhelper_enum_from_ffi_macro_derive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprhawk%2Fhelper_enum_from_ffi_macro_derive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a25701d1ae9fc96e154407cf272264af29c3138
[INFO] documenting sprhawk/helper_enum_from_ffi_macro_derive against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsprhawk%2Fhelper_enum_from_ffi_macro_derive" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive
[INFO] finished tweaking git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive
[INFO] tweaked toml for git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3441b61464dfe23728a4f8e0a2f730398748d7adb86a26f6764e6bb8f5137fb
[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" "b3441b61464dfe23728a4f8e0a2f730398748d7adb86a26f6764e6bb8f5137fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3441b61464dfe23728a4f8e0a2f730398748d7adb86a26f6764e6bb8f5137fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3441b61464dfe23728a4f8e0a2f730398748d7adb86a26f6764e6bb8f5137fb", kill_on_drop: false }`
[INFO] [stdout] b3441b61464dfe23728a4f8e0a2f730398748d7adb86a26f6764e6bb8f5137fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 936ed940976356b3c22641fe07e8793bcb1b477972e1cafc258dadf6794d4985
[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" "936ed940976356b3c22641fe07e8793bcb1b477972e1cafc258dadf6794d4985", 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]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v1.0.3
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]  Documenting helper_enum_from_ffi_macro_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling helper_enum_from_ffi_macro_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> src/bin/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[match_enum_from_ffi(prefix="ffi::idevice_error_t_IDEVICE_E_")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] ...
[INFO] [stdout] 43 |     let e = match_device_error!(199);
[INFO] [stdout]    |             ------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.04s
[INFO] running `Command { std: "docker" "inspect" "936ed940976356b3c22641fe07e8793bcb1b477972e1cafc258dadf6794d4985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936ed940976356b3c22641fe07e8793bcb1b477972e1cafc258dadf6794d4985", kill_on_drop: false }`
[INFO] [stdout] 936ed940976356b3c22641fe07e8793bcb1b477972e1cafc258dadf6794d4985