[INFO] fetching crate rundo_attrs 0.4.0...
[INFO] checking rundo_attrs-0.4.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rundo_attrs 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rundo_attrs 0.4.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rundo_attrs 0.4.0
[INFO] finished tweaking crates.io crate rundo_attrs 0.4.0
[INFO] tweaked toml for crates.io crate rundo_attrs 0.4.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ce6e6dbcf1d5a3b2a6100f8f4c0fdf715a69417c12631b9b05ab5c8febfda691
[INFO] running `"docker" "start" "-a" "ce6e6dbcf1d5a3b2a6100f8f4c0fdf715a69417c12631b9b05ab5c8febfda691"`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]     Checking rundo_types v0.4.0
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]     Checking rundo_attrs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn rundo(args: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn rundo(args: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/lib.rs:18:14
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn rundo(args: TokenStream, input: TokenStream) -> TokenStream {
[INFO] [stderr]    |              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/literal.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]   --> tests/integration_test.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[rundo]
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]   --> tests/integration_test.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[rundo]
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]   --> tests/sample.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[rundo]
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]   --> tests/integration_test.rs:87:3
[INFO] [stderr]    |
[INFO] [stderr] 87 |   #[rundo]
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot expand to macro definitions
[INFO] [stderr]   --> tests/sample.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[rundo]
[INFO] [stderr]    | ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: for more information, see https://github.com/rust-lang/rust/issues/54727
[INFO] [stderr]    = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `rundo_attrs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rundo_attrs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ce6e6dbcf1d5a3b2a6100f8f4c0fdf715a69417c12631b9b05ab5c8febfda691"`
[INFO] running `"docker" "rm" "-f" "ce6e6dbcf1d5a3b2a6100f8f4c0fdf715a69417c12631b9b05ab5c8febfda691"`
[INFO] [stdout] ce6e6dbcf1d5a3b2a6100f8f4c0fdf715a69417c12631b9b05ab5c8febfda691