[INFO] fetching crate fproxy 0.0.5...
[INFO] checking fproxy-0.0.5 against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] extracting crate fproxy 0.0.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate fproxy 0.0.5
[INFO] finished tweaking crates.io crate fproxy 0.0.5
[INFO] tweaked toml for crates.io crate fproxy 0.0.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fproxy 0.0.5 on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fproxy 0.0.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b168da8dc800f418d7388ed4500c00d56f2aace031dfaa08bd998ce6f778fd6
[INFO] running `Command { std: "docker" "start" "-a" "8b168da8dc800f418d7388ed4500c00d56f2aace031dfaa08bd998ce6f778fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b168da8dc800f418d7388ed4500c00d56f2aace031dfaa08bd998ce6f778fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b168da8dc800f418d7388ed4500c00d56f2aace031dfaa08bd998ce6f778fd6", kill_on_drop: false }`
[INFO] [stdout] 8b168da8dc800f418d7388ed4500c00d56f2aace031dfaa08bd998ce6f778fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb0100204412ed3ac99cc037a984375a5a38e4141c7e202a3fe85f8dfcdd9c4e
[INFO] running `Command { std: "docker" "start" "-a" "cb0100204412ed3ac99cc037a984375a5a38e4141c7e202a3fe85f8dfcdd9c4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.1.3
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling safer-ffi v0.1.13
[INFO] [stderr]     Checking unwind_safe v0.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking extern-c v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling macro_rules_attribute v0.1.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling delegate v0.13.4
[INFO] [stderr]    Compiling fproxy_derive v0.0.5
[INFO] [stderr]    Compiling ext-trait-proc_macros v1.0.1
[INFO] [stderr]    Compiling with_builtin_macros-proc_macros v0.0.3
[INFO] [stderr]    Compiling safer_ffi-proc_macros v0.1.13
[INFO] [stderr]     Checking ext-trait v1.0.1
[INFO] [stderr]     Checking extension-traits v1.0.1
[INFO] [stderr]     Checking with_builtin_macros v0.0.3
[INFO] [stderr]     Checking uninit v0.5.1
[INFO] [stdout] error[E0284]: type annotations needed: cannot normalize `<slice::slice_ref<'_, u8> as layout::ReprC>::CLayout`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.13/src/layout/macros.rs:323:5
[INFO] [stdout]     |
[INFO] [stdout] 323 |       #[$crate::prelude::derive_ReprC2($($($($if_js)? js)?)?)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot normalize `<slice::slice_ref<'_, u8> as layout::ReprC>::CLayout`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/safer-ffi-0.1.13/src/string/slice.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / ReprC! {
[INFO] [stdout] 120 | |     #[repr(transparent)]
[INFO] [stdout] 121 | |     #[derive(Clone, Copy)]
[INFO] [stdout] 122 | |     /// `&'lt str`, but with a guaranteed `#[repr(C)]` layout.
[INFO] [stdout] ...   |
[INFO] [stdout] 126 | |     );
[INFO] [stdout] 127 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the attribute macro `$crate::prelude::derive_ReprC2` which comes from the expansion of the macro `ReprC` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `safer-ffi` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cb0100204412ed3ac99cc037a984375a5a38e4141c7e202a3fe85f8dfcdd9c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0100204412ed3ac99cc037a984375a5a38e4141c7e202a3fe85f8dfcdd9c4e", kill_on_drop: false }`
[INFO] [stdout] cb0100204412ed3ac99cc037a984375a5a38e4141c7e202a3fe85f8dfcdd9c4e
