[INFO] crate custom-slice-macros 0.1.1 is already in cache
[INFO] testing custom-slice-macros-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate custom-slice-macros 0.1.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate custom-slice-macros 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate custom-slice-macros 0.1.1
[INFO] finished tweaking crates.io crate custom-slice-macros 0.1.1
[INFO] tweaked toml for crates.io crate custom-slice-macros 0.1.1 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 00bdb1080232c2b8e3917b4ecac80477fc94d674966da18246a2cf67b43ab511
[INFO] running `"docker" "start" "-a" "00bdb1080232c2b8e3917b4ecac80477fc94d674966da18246a2cf67b43ab511"`
[INFO] [stderr]    Compiling custom-slice-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `"docker" "inspect" "00bdb1080232c2b8e3917b4ecac80477fc94d674966da18246a2cf67b43ab511"`
[INFO] running `"docker" "rm" "-f" "00bdb1080232c2b8e3917b4ecac80477fc94d674966da18246a2cf67b43ab511"`
[INFO] [stdout] 00bdb1080232c2b8e3917b4ecac80477fc94d674966da18246a2cf67b43ab511
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8efbb8a3a46682af010dcea1ef0b3b753519fa6c6bf80c95c1d887097cc55f1f
[INFO] running `"docker" "start" "-a" "8efbb8a3a46682af010dcea1ef0b3b753519fa6c6bf80c95c1d887097cc55f1f"`
[INFO] [stderr]    Compiling custom-slice-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]    --> tests/derives.rs:48:13
[INFO] [stderr]     |
[INFO] [stderr] 48  | /             custom_slice_macros::define_slice_types_pair! {
[INFO] [stderr] 49  | |                 #[custom_slice(owned)]
[INFO] [stderr] 50  | |                 $(#[$meta_owned])*
[INFO] [stderr] 51  | |                 struct Owned($owned_inner);
[INFO] [stderr] ...   |
[INFO] [stderr] 59  | |                 fn validate(_: &$slice_inner) -> Result<(), $ty_error> $body
[INFO] [stderr] 60  | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr] ...
[INFO] [stderr] 227 | /     gen_test! {
[INFO] [stderr] 228 | |         name: try_from_inner,
[INFO] [stderr] 229 | |         #[custom_slice(derive(TryFromInner))]
[INFO] [stderr] 230 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stderr] ...   |
[INFO] [stderr] 236 | |         validator: () { Ok(()) },
[INFO] [stderr] 237 | |     }
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: message: `#[custom_slice(error(type = "..."))]` should be specified
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `custom-slice-macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8efbb8a3a46682af010dcea1ef0b3b753519fa6c6bf80c95c1d887097cc55f1f"`
[INFO] running `"docker" "rm" "-f" "8efbb8a3a46682af010dcea1ef0b3b753519fa6c6bf80c95c1d887097cc55f1f"`
[INFO] [stdout] 8efbb8a3a46682af010dcea1ef0b3b753519fa6c6bf80c95c1d887097cc55f1f