[INFO] fetching crate compile-symbol-macros 0.1.4...
[INFO] checking compile-symbol-macros-0.1.4 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate compile-symbol-macros 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate compile-symbol-macros 0.1.4 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compile-symbol-macros 0.1.4
[INFO] finished tweaking crates.io crate compile-symbol-macros 0.1.4
[INFO] tweaked toml for crates.io crate compile-symbol-macros 0.1.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef808fa1e56e75426c54324081a35a864fcbc3e3d382393d8e73add7b5bc6a6e
[INFO] running `Command { std: "docker" "start" "-a" "ef808fa1e56e75426c54324081a35a864fcbc3e3d382393d8e73add7b5bc6a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef808fa1e56e75426c54324081a35a864fcbc3e3d382393d8e73add7b5bc6a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef808fa1e56e75426c54324081a35a864fcbc3e3d382393d8e73add7b5bc6a6e", kill_on_drop: false }`
[INFO] [stdout] ef808fa1e56e75426c54324081a35a864fcbc3e3d382393d8e73add7b5bc6a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64ae3e37002084be7d03cea01d7b6c6d94098bfc1b2e568eb61840729aad699d
[INFO] running `Command { std: "docker" "start" "-a" "64ae3e37002084be7d03cea01d7b6c6d94098bfc1b2e568eb61840729aad699d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling regex-automata v0.3.6
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling regex v1.9.3
[INFO] [stderr]    Compiling docify_macros v0.1.16
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/docify_macros-0.1.16/src/lib.rs:152:36
[INFO] [stdout]     |
[INFO] [stdout] 152 |     const EMPTY: &Vec<Attribute> = &Vec::new();
[INFO] [stdout]     |                                    ^^^^^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `docify_macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "64ae3e37002084be7d03cea01d7b6c6d94098bfc1b2e568eb61840729aad699d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ae3e37002084be7d03cea01d7b6c6d94098bfc1b2e568eb61840729aad699d", kill_on_drop: false }`
[INFO] [stdout] 64ae3e37002084be7d03cea01d7b6c6d94098bfc1b2e568eb61840729aad699d
