[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] testing sprhawk/helper_enum_from_ffi_macro_derive against 1.55.0 for beta-1.56-1
[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-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sprhawk/helper_enum_from_ffi_macro_derive on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+1.55.0" "fetch" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2873d421d9ec92fc19b9901afe9a759e025c4058347ddbe9a3a621c420317ce
[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" "d2873d421d9ec92fc19b9901afe9a759e025c4058347ddbe9a3a621c420317ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2873d421d9ec92fc19b9901afe9a759e025c4058347ddbe9a3a621c420317ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2873d421d9ec92fc19b9901afe9a759e025c4058347ddbe9a3a621c420317ce", kill_on_drop: false }`
[INFO] [stdout] d2873d421d9ec92fc19b9901afe9a759e025c4058347ddbe9a3a621c420317ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8ad07cfc4ed66a78d17c115a6dce4001d0e9198666ee0c5b962a781a02d14d
[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" "2d8ad07cfc4ed66a78d17c115a6dce4001d0e9198666ee0c5b962a781a02d14d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[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 the macro `match_device_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `DeviceError` doesn't implement `Debug`
[INFO] [stdout]   --> src/bin/main.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |     println!("returned {:#?}", e);
[INFO] [stdout]    |                                ^ `DeviceError` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `DeviceError`
[INFO] [stdout]    = note: add `#[derive(Debug)]` to `DeviceError` or manually `impl Debug for DeviceError`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `helper_enum_from_ffi_macro_derive` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2d8ad07cfc4ed66a78d17c115a6dce4001d0e9198666ee0c5b962a781a02d14d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8ad07cfc4ed66a78d17c115a6dce4001d0e9198666ee0c5b962a781a02d14d", kill_on_drop: false }`
[INFO] [stdout] 2d8ad07cfc4ed66a78d17c115a6dce4001d0e9198666ee0c5b962a781a02d14d