[INFO] fetching crate custom-slice-macros 0.1.1...
[INFO] testing custom-slice-macros-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate custom-slice-macros 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate custom-slice-macros 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] fb2a2ce473b5ecca7a79c2f6fddfe394c2eb986749efed21095132ba832fddd3
[INFO] running `Command { std: "docker" "start" "-a" "fb2a2ce473b5ecca7a79c2f6fddfe394c2eb986749efed21095132ba832fddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb2a2ce473b5ecca7a79c2f6fddfe394c2eb986749efed21095132ba832fddd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2a2ce473b5ecca7a79c2f6fddfe394c2eb986749efed21095132ba832fddd3", kill_on_drop: false }`
[INFO] [stdout] fb2a2ce473b5ecca7a79c2f6fddfe394c2eb986749efed21095132ba832fddd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dbec13e22079b85f2b9e75e8d943e9eb2a9575130b7ea508f10916c82274709
[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" "9dbec13e22079b85f2b9e75e8d943e9eb2a9575130b7ea508f10916c82274709", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling custom-slice-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.58s
[INFO] running `Command { std: "docker" "inspect" "9dbec13e22079b85f2b9e75e8d943e9eb2a9575130b7ea508f10916c82274709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbec13e22079b85f2b9e75e8d943e9eb2a9575130b7ea508f10916c82274709", kill_on_drop: false }`
[INFO] [stdout] 9dbec13e22079b85f2b9e75e8d943e9eb2a9575130b7ea508f10916c82274709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] a4ce61e72160ed0c199ef66e1fde74595c9331f7cf08edf258dfe5d5094cc50b
[INFO] running `Command { std: "docker" "start" "-a" "a4ce61e72160ed0c199ef66e1fde74595c9331f7cf08edf258dfe5d5094cc50b", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom-slice-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> tests/derives.rs:48:13
[INFO] [stdout]     |
[INFO] [stdout] 48  | /             custom_slice_macros::define_slice_types_pair! {
[INFO] [stdout] 49  | |                 #[custom_slice(owned)]
[INFO] [stdout] 50  | |                 $(#[$meta_owned])*
[INFO] [stdout] 51  | |                 struct Owned($owned_inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 59  | |                 fn validate(_: &$slice_inner) -> Result<(), $ty_error> $body
[INFO] [stdout] 60  | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 227 | /     gen_test! {
[INFO] [stdout] 228 | |         name: try_from_inner,
[INFO] [stdout] 229 | |         #[custom_slice(derive(TryFromInner))]
[INFO] [stdout] 230 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] ...   |
[INFO] [stdout] 236 | |         validator: () { Ok(()) },
[INFO] [stdout] 237 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: `#[custom_slice(error(type = "..."))]` should be specified
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> tests/derives.rs:48:13
[INFO] [stdout]     |
[INFO] [stdout] 48  | /             custom_slice_macros::define_slice_types_pair! {
[INFO] [stdout] 49  | |                 #[custom_slice(owned)]
[INFO] [stdout] 50  | |                 $(#[$meta_owned])*
[INFO] [stdout] 51  | |                 struct Owned($owned_inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 59  | |                 fn validate(_: &$slice_inner) -> Result<(), $ty_error> $body
[INFO] [stdout] 60  | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 414 | /     gen_test! {
[INFO] [stdout] 415 | |         name: try_from_inner,
[INFO] [stdout] 416 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] 417 | |         owned: Vec<u8>,
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | |         validator: () { Ok(()) },
[INFO] [stdout] 424 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: `#[custom_slice(error(type = "..."))]` should be specified
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> tests/derives.rs:48:13
[INFO] [stdout]     |
[INFO] [stdout] 48  | /             custom_slice_macros::define_slice_types_pair! {
[INFO] [stdout] 49  | |                 #[custom_slice(owned)]
[INFO] [stdout] 50  | |                 $(#[$meta_owned])*
[INFO] [stdout] 51  | |                 struct Owned($owned_inner);
[INFO] [stdout] ...   |
[INFO] [stdout] 59  | |                 fn validate(_: &$slice_inner) -> Result<(), $ty_error> $body
[INFO] [stdout] 60  | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     gen_test! {
[INFO] [stdout] 427 | |         name: try_from_inner_mut,
[INFO] [stdout] 428 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] 429 | |         owned: Vec<u8>,
[INFO] [stdout] ...   |
[INFO] [stdout] 435 | |         validator: () { Ok(()) },
[INFO] [stdout] 436 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: `#[custom_slice(error(type = "..."))]` should be specified
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Owned` in this scope
[INFO] [stdout]    --> tests/derives.rs:63:25
[INFO] [stdout]     |
[INFO] [stdout] 63  |                   owned { Owned: Vec<u8> },
[INFO] [stdout]     |                           ^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 227 | /     gen_test! {
[INFO] [stdout] 228 | |         name: try_from_inner,
[INFO] [stdout] 229 | |         #[custom_slice(derive(TryFromInner))]
[INFO] [stdout] 230 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] ...   |
[INFO] [stdout] 236 | |         validator: () { Ok(()) },
[INFO] [stdout] 237 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             crate::owned::as_mut_slice::Owned
[INFO] [stdout]             crate::owned::as_mut_slice_inner::Owned
[INFO] [stdout]             crate::owned::as_ref_slice::Owned
[INFO] [stdout]             crate::owned::as_ref_slice_inner::Owned
[INFO] [stdout]             crate::owned::borrow::Owned
[INFO] [stdout]             crate::owned::borrow_mut::Owned
[INFO] [stdout]             crate::owned::deref::Owned
[INFO] [stdout]             crate::owned::deref_mut::Owned
[INFO] [stdout]             crate::owned::from_inner::Owned
[INFO] [stdout]             crate::owned::into_inner::Owned
[INFO] [stdout]             crate::owned::partial_eq::Owned
[INFO] [stdout]             crate::owned::partial_eq_bulk::Owned
[INFO] [stdout]             crate::owned::partial_eq_inner_bulk::Owned
[INFO] [stdout]             crate::owned::partial_ord::Owned
[INFO] [stdout]             crate::owned::partial_ord_bulk::Owned
[INFO] [stdout]             crate::owned::partial_ord_inner_bulk::Owned
[INFO] [stdout]             crate::slice::as_mut_slice::Owned
[INFO] [stdout]             crate::slice::as_mut_slice_inner::Owned
[INFO] [stdout]             crate::slice::as_ref_slice::Owned
[INFO] [stdout]             crate::slice::as_ref_slice_inner::Owned
[INFO] [stdout]             crate::slice::default_box::Owned
[INFO] [stdout]             crate::slice::default_ref::Owned
[INFO] [stdout]             crate::slice::default_ref_mut::Owned
[INFO] [stdout]             crate::slice::deref::Owned
[INFO] [stdout]             crate::slice::deref_mut::Owned
[INFO] [stdout]             crate::slice::from_inner::Owned
[INFO] [stdout]             crate::slice::from_inner_mut::Owned
[INFO] [stdout]             crate::slice::into_arc::Owned
[INFO] [stdout]             crate::slice::into_box::Owned
[INFO] [stdout]             crate::slice::into_rc::Owned
[INFO] [stdout]             crate::slice::partial_eq_bulk::Owned
[INFO] [stdout]             crate::slice::partial_eq_inner_bulk::Owned
[INFO] [stdout]             crate::slice::partial_ord_bulk::Owned
[INFO] [stdout]             crate::slice::partial_ord_inner_bulk::Owned
[INFO] [stdout]             crate::slice::to_owned::Owned
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Slice` in this scope
[INFO] [stdout]    --> tests/derives.rs:70:25
[INFO] [stdout]     |
[INFO] [stdout] 70  |                   slice { Slice: [u8] },
[INFO] [stdout]     |                           ^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 414 | /     gen_test! {
[INFO] [stdout] 415 | |         name: try_from_inner,
[INFO] [stdout] 416 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] 417 | |         owned: Vec<u8>,
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | |         validator: () { Ok(()) },
[INFO] [stdout] 424 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             crate::owned::as_mut_slice::Slice
[INFO] [stdout]             crate::owned::as_mut_slice_inner::Slice
[INFO] [stdout]             crate::owned::as_ref_slice::Slice
[INFO] [stdout]             crate::owned::as_ref_slice_inner::Slice
[INFO] [stdout]             crate::owned::borrow::Slice
[INFO] [stdout]             crate::owned::borrow_mut::Slice
[INFO] [stdout]             crate::owned::deref::Slice
[INFO] [stdout]             crate::owned::deref_mut::Slice
[INFO] [stdout]             crate::owned::from_inner::Slice
[INFO] [stdout]             crate::owned::into_inner::Slice
[INFO] [stdout]             crate::owned::partial_eq::Slice
[INFO] [stdout]             crate::owned::partial_eq_bulk::Slice
[INFO] [stdout]             crate::owned::partial_eq_inner_bulk::Slice
[INFO] [stdout]             crate::owned::partial_ord::Slice
[INFO] [stdout]             crate::owned::partial_ord_bulk::Slice
[INFO] [stdout]             crate::owned::partial_ord_inner_bulk::Slice
[INFO] [stdout]             crate::slice::as_mut_slice::Slice
[INFO] [stdout]             crate::slice::as_mut_slice_inner::Slice
[INFO] [stdout]             crate::slice::as_ref_slice::Slice
[INFO] [stdout]             crate::slice::as_ref_slice_inner::Slice
[INFO] [stdout]             crate::slice::default_box::Slice
[INFO] [stdout]             crate::slice::default_ref::Slice
[INFO] [stdout]             crate::slice::default_ref_mut::Slice
[INFO] [stdout]             crate::slice::deref::Slice
[INFO] [stdout]             crate::slice::deref_mut::Slice
[INFO] [stdout]             crate::slice::from_inner::Slice
[INFO] [stdout]             crate::slice::from_inner_mut::Slice
[INFO] [stdout]             crate::slice::into_arc::Slice
[INFO] [stdout]             crate::slice::into_box::Slice
[INFO] [stdout]             crate::slice::into_rc::Slice
[INFO] [stdout]             crate::slice::partial_eq_bulk::Slice
[INFO] [stdout]             crate::slice::partial_eq_inner_bulk::Slice
[INFO] [stdout]             crate::slice::partial_ord_bulk::Slice
[INFO] [stdout]             crate::slice::partial_ord_inner_bulk::Slice
[INFO] [stdout]             crate::slice::to_owned::Slice
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Slice` in this scope
[INFO] [stdout]    --> tests/derives.rs:70:25
[INFO] [stdout]     |
[INFO] [stdout] 70  |                   slice { Slice: [u8] },
[INFO] [stdout]     |                           ^^^^^ not found in this scope
[INFO] [stdout] ...
[INFO] [stdout] 426 | /     gen_test! {
[INFO] [stdout] 427 | |         name: try_from_inner_mut,
[INFO] [stdout] 428 | |         #[custom_slice(error(r#type = "()"))]
[INFO] [stdout] 429 | |         owned: Vec<u8>,
[INFO] [stdout] ...   |
[INFO] [stdout] 435 | |         validator: () { Ok(()) },
[INFO] [stdout] 436 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider importing one of these items:
[INFO] [stdout]             crate::owned::as_mut_slice::Slice
[INFO] [stdout]             crate::owned::as_mut_slice_inner::Slice
[INFO] [stdout]             crate::owned::as_ref_slice::Slice
[INFO] [stdout]             crate::owned::as_ref_slice_inner::Slice
[INFO] [stdout]             crate::owned::borrow::Slice
[INFO] [stdout]             crate::owned::borrow_mut::Slice
[INFO] [stdout]             crate::owned::deref::Slice
[INFO] [stdout]             crate::owned::deref_mut::Slice
[INFO] [stdout]             crate::owned::from_inner::Slice
[INFO] [stdout]             crate::owned::into_inner::Slice
[INFO] [stdout]             crate::owned::partial_eq::Slice
[INFO] [stdout]             crate::owned::partial_eq_bulk::Slice
[INFO] [stdout]             crate::owned::partial_eq_inner_bulk::Slice
[INFO] [stdout]             crate::owned::partial_ord::Slice
[INFO] [stdout]             crate::owned::partial_ord_bulk::Slice
[INFO] [stdout]             crate::owned::partial_ord_inner_bulk::Slice
[INFO] [stdout]             crate::slice::as_mut_slice::Slice
[INFO] [stdout]             crate::slice::as_mut_slice_inner::Slice
[INFO] [stdout]             crate::slice::as_ref_slice::Slice
[INFO] [stdout]             crate::slice::as_ref_slice_inner::Slice
[INFO] [stdout]             crate::slice::default_box::Slice
[INFO] [stdout]             crate::slice::default_ref::Slice
[INFO] [stdout]             crate::slice::default_ref_mut::Slice
[INFO] [stdout]             crate::slice::deref::Slice
[INFO] [stdout]             crate::slice::deref_mut::Slice
[INFO] [stdout]             crate::slice::from_inner::Slice
[INFO] [stdout]             crate::slice::from_inner_mut::Slice
[INFO] [stdout]             crate::slice::into_arc::Slice
[INFO] [stdout]             crate::slice::into_box::Slice
[INFO] [stdout]             crate::slice::into_rc::Slice
[INFO] [stdout]             crate::slice::partial_eq_bulk::Slice
[INFO] [stdout]             crate::slice::partial_eq_inner_bulk::Slice
[INFO] [stdout]             crate::slice::partial_ord_bulk::Slice
[INFO] [stdout]             crate::slice::partial_ord_inner_bulk::Slice
[INFO] [stdout]             crate::slice::to_owned::Slice
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `custom-slice-macros`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a4ce61e72160ed0c199ef66e1fde74595c9331f7cf08edf258dfe5d5094cc50b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4ce61e72160ed0c199ef66e1fde74595c9331f7cf08edf258dfe5d5094cc50b", kill_on_drop: false }`
[INFO] [stdout] a4ce61e72160ed0c199ef66e1fde74595c9331f7cf08edf258dfe5d5094cc50b