[INFO] fetching crate vectorize_struct 0.1.3...
[INFO] checking vectorize_struct-0.1.3 against beta for pr-78714
[INFO] extracting crate vectorize_struct 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate vectorize_struct 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vectorize_struct 0.1.3
[INFO] finished tweaking crates.io crate vectorize_struct 0.1.3
[INFO] tweaked toml for crates.io crate vectorize_struct 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: library `vectorize_struct` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc428230b1193724996c608e7933597343d4153a82a897a097a6a2f0525aff1
[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" "cbc428230b1193724996c608e7933597343d4153a82a897a097a6a2f0525aff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc428230b1193724996c608e7933597343d4153a82a897a097a6a2f0525aff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc428230b1193724996c608e7933597343d4153a82a897a097a6a2f0525aff1", kill_on_drop: false }`
[INFO] [stdout] cbc428230b1193724996c608e7933597343d4153a82a897a097a6a2f0525aff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d779d0b20cd9331c91cf8049ba6b6b12f93c611c292b76ef9a89aedabae0c3e
[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" "8d779d0b20cd9331c91cf8049ba6b6b12f93c611c292b76ef9a89aedabae0c3e", kill_on_drop: false }`
[INFO] [stderr] warning: library `vectorize_struct` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]     Checking vectorize_struct v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/test.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/test.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[vectorize_struct(std::fmt::Display, Debug)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/test.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[vectorize_struct(std::fmt::Display, Debug)]
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/test.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[vectorize_struct(std::fmt::Display, Debug)]
[INFO] [stdout]   |                                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test.rs:35:64
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for (name, field) in s.vectorize() as Vec<(Fields, Option<&Display>)> {
[INFO] [stdout]    |                                                                ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test.rs:41:64
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for (name, field) in s.vectorize() as Vec<(Fields, Option<&Debug>)> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 | #[vectorize_struct(std::fmt::Display)]
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::fmt::Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/test.rs:63:65
[INFO] [stdout]    |
[INFO] [stdout] 63 |     for (name, field) in es.vectorize() as Vec<(Fields, Option<&Display>)> {
[INFO] [stdout]    |                                                                 ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vectorize_struct`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8d779d0b20cd9331c91cf8049ba6b6b12f93c611c292b76ef9a89aedabae0c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d779d0b20cd9331c91cf8049ba6b6b12f93c611c292b76ef9a89aedabae0c3e", kill_on_drop: false }`
[INFO] [stdout] 8d779d0b20cd9331c91cf8049ba6b6b12f93c611c292b76ef9a89aedabae0c3e