[INFO] fetching crate rtic-macros 2.2.0...
[INFO] building rtic-macros-2.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rtic-macros 2.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rtic-macros 2.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rtic-macros 2.2.0
[INFO] tweaked toml for crates.io crate rtic-macros 2.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtic-macros 2.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rtic-macros 2.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded target-triple v0.1.3
[INFO] [stderr]   Downloaded trybuild v1.0.101
[INFO] [stderr]   Downloaded syn v2.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d5379afcfab02dd3db1b3a3acd3cf919fb9a1769100c7ef92300a47d4965ef
[INFO] running `Command { std: "docker" "start" "-a" "37d5379afcfab02dd3db1b3a3acd3cf919fb9a1769100c7ef92300a47d4965ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d5379afcfab02dd3db1b3a3acd3cf919fb9a1769100c7ef92300a47d4965ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d5379afcfab02dd3db1b3a3acd3cf919fb9a1769100c7ef92300a47d4965ef", kill_on_drop: false }`
[INFO] [stdout] 37d5379afcfab02dd3db1b3a3acd3cf919fb9a1769100c7ef92300a47d4965ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc40db5472dd7d1885a6f81d7c0e7d3ff4efc6d710c32885cf0a2a618bef166
[INFO] running `Command { std: "docker" "start" "-a" "0fc40db5472dd7d1885a6f81d7c0e7d3ff4efc6d710c32885cf0a2a618bef166", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.83
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling rtic-macros v2.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Cannot compile. No backend feature selected.
[INFO] [stdout]    --> src/lib.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | compile_error!("Cannot compile. No backend feature selected.");
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtic-macros` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0fc40db5472dd7d1885a6f81d7c0e7d3ff4efc6d710c32885cf0a2a618bef166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc40db5472dd7d1885a6f81d7c0e7d3ff4efc6d710c32885cf0a2a618bef166", kill_on_drop: false }`
[INFO] [stdout] 0fc40db5472dd7d1885a6f81d7c0e7d3ff4efc6d710c32885cf0a2a618bef166