[INFO] fetching crate rhythmc_macros 0.0.2...
[INFO] testing rhythmc_macros-0.0.2 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rhythmc_macros 0.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rhythmc_macros 0.0.2
[INFO] finished tweaking crates.io crate rhythmc_macros 0.0.2
[INFO] tweaked toml for crates.io crate rhythmc_macros 0.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rhythmc_macros 0.0.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding glsl v6.0.2 (available: v7.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rhythmc_compiler v0.0.2
[INFO] [stderr]   Downloaded glsl v6.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 100b828c40d89c4118d5b65db2d4ad8a8a15fa542a8a0c8df7d3c76ab14fa3f7
[INFO] running `Command { std: "docker" "start" "-a" "100b828c40d89c4118d5b65db2d4ad8a8a15fa542a8a0c8df7d3c76ab14fa3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "100b828c40d89c4118d5b65db2d4ad8a8a15fa542a8a0c8df7d3c76ab14fa3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100b828c40d89c4118d5b65db2d4ad8a8a15fa542a8a0c8df7d3c76ab14fa3f7", kill_on_drop: false }`
[INFO] [stdout] 100b828c40d89c4118d5b65db2d4ad8a8a15fa542a8a0c8df7d3c76ab14fa3f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a71bcf4557d412372b85361bfb4f5bf77b5c202a029fe1365cb8b6ee205cd0
[INFO] running `Command { std: "docker" "start" "-a" "f8a71bcf4557d412372b85361bfb4f5bf77b5c202a029fe1365cb8b6ee205cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling glsl v6.0.2
[INFO] [stderr]    Compiling rhythmc_compiler v0.0.2
[INFO] [stderr]    Compiling rhythmc_macros v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |   custom_inner_attributes,
[INFO] [stdout] 3 | |   proc_macro_span,
[INFO] [stdout] 4 | |   proc_macro_diagnostic,
[INFO] [stdout] 5 | |   proc_macro_def_site
[INFO] [stdout] 6 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `Span` in the current scope
[INFO] [stdout]   --> src/lib.rs:32:23
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Span::call_site().source_file().path(),
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `source` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 32 -     Span::call_site().source_file().path(),
[INFO] [stdout] 32 +     Span::call_site().source().path(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rhythmc_macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f8a71bcf4557d412372b85361bfb4f5bf77b5c202a029fe1365cb8b6ee205cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a71bcf4557d412372b85361bfb4f5bf77b5c202a029fe1365cb8b6ee205cd0", kill_on_drop: false }`
[INFO] [stdout] f8a71bcf4557d412372b85361bfb4f5bf77b5c202a029fe1365cb8b6ee205cd0
