[INFO] fetching crate vectorize_struct 0.1.3...
[INFO] checking vectorize_struct-0.1.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate vectorize_struct 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vectorize_struct 0.1.3 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--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] [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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35d708f7dc074d7e2ac053429d01110c579572f86854c2d21f613c7621badafd
[INFO] running `Command { std: "docker" "start" "-a" "35d708f7dc074d7e2ac053429d01110c579572f86854c2d21f613c7621badafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35d708f7dc074d7e2ac053429d01110c579572f86854c2d21f613c7621badafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35d708f7dc074d7e2ac053429d01110c579572f86854c2d21f613c7621badafd", kill_on_drop: false }`
[INFO] [stdout] 35d708f7dc074d7e2ac053429d01110c579572f86854c2d21f613c7621badafd
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f06cedf571ce775f8175720e2b3bcfd3c9339529d706e4723dd9cef3ab6e599
[INFO] running `Command { std: "docker" "start" "-a" "7f06cedf571ce775f8175720e2b3bcfd3c9339529d706e4723dd9cef3ab6e599", kill_on_drop: false }`
[INFO] [stderr] warning: library `vectorize_struct` should only specify `proc-macro = true` instead of setting `crate-type`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking vectorize_struct v0.1.3 (/opt/rustwide/workdir)
[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]   = help: consider using `min_specialization` instead, which is more stable and complete
[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]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.99s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7f06cedf571ce775f8175720e2b3bcfd3c9339529d706e4723dd9cef3ab6e599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f06cedf571ce775f8175720e2b3bcfd3c9339529d706e4723dd9cef3ab6e599", kill_on_drop: false }`
[INFO] [stdout] 7f06cedf571ce775f8175720e2b3bcfd3c9339529d706e4723dd9cef3ab6e599