[INFO] fetching crate veneer 0.2.3...
[INFO] testing veneer-0.2.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate veneer 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate veneer 0.2.3
[INFO] finished tweaking crates.io crate veneer 0.2.3
[INFO] tweaked toml for crates.io crate veneer 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate veneer 0.2.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate veneer 0.2.3 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sc v0.2.7
[INFO] [stderr]   Downloaded veneer-macros v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43e6ce156e1875ac84d91af5ef22bf3ef3c706a71abbce15e7666335c0d14de0
[INFO] running `Command { std: "docker" "start" "-a" "43e6ce156e1875ac84d91af5ef22bf3ef3c706a71abbce15e7666335c0d14de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43e6ce156e1875ac84d91af5ef22bf3ef3c706a71abbce15e7666335c0d14de0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e6ce156e1875ac84d91af5ef22bf3ef3c706a71abbce15e7666335c0d14de0", kill_on_drop: false }`
[INFO] [stdout] 43e6ce156e1875ac84d91af5ef22bf3ef3c706a71abbce15e7666335c0d14de0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ac026b4ecbaef6bf26c6c869cea2c9d6d9828d8fb03c588d7a14e91af6d6638
[INFO] running `Command { std: "docker" "start" "-a" "7ac026b4ecbaef6bf26c6c869cea2c9d6d9828d8fb03c588d7a14e91af6d6638", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling veneer-macros v0.1.0
[INFO] [stderr]    Compiling sc v0.2.7
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/veneer-macros-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span, proc_macro_quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `veneer-macros` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ac026b4ecbaef6bf26c6c869cea2c9d6d9828d8fb03c588d7a14e91af6d6638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ac026b4ecbaef6bf26c6c869cea2c9d6d9828d8fb03c588d7a14e91af6d6638", kill_on_drop: false }`
[INFO] [stdout] 7ac026b4ecbaef6bf26c6c869cea2c9d6d9828d8fb03c588d7a14e91af6d6638