[INFO] fetching crate function_from_equation 0.1.0...
[INFO] testing function_from_equation-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate function_from_equation 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate function_from_equation 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate function_from_equation 0.1.0
[INFO] finished tweaking crates.io crate function_from_equation 0.1.0
[INFO] tweaked toml for crates.io crate function_from_equation 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be38c486400e462918621d79a0fa89c13bbf7e57c96fa6bfa7fa28fede51ab40
[INFO] running `Command { std: "docker" "start" "-a" "be38c486400e462918621d79a0fa89c13bbf7e57c96fa6bfa7fa28fede51ab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be38c486400e462918621d79a0fa89c13bbf7e57c96fa6bfa7fa28fede51ab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be38c486400e462918621d79a0fa89c13bbf7e57c96fa6bfa7fa28fede51ab40", kill_on_drop: false }`
[INFO] [stdout] be38c486400e462918621d79a0fa89c13bbf7e57c96fa6bfa7fa28fede51ab40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d038dbda3ada1320a93073e33ac53d612202ab3f86a536346c718787773ee4
[INFO] running `Command { std: "docker" "start" "-a" "45d038dbda3ada1320a93073e33ac53d612202ab3f86a536346c718787773ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling function_from_equation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(proc_macro_quote)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `function_from_equation` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "45d038dbda3ada1320a93073e33ac53d612202ab3f86a536346c718787773ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d038dbda3ada1320a93073e33ac53d612202ab3f86a536346c718787773ee4", kill_on_drop: false }`
[INFO] [stdout] 45d038dbda3ada1320a93073e33ac53d612202ab3f86a536346c718787773ee4
[INFO] testing function_from_equation-0.1.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate function_from_equation 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate function_from_equation 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate function_from_equation 0.1.0
[INFO] finished tweaking crates.io crate function_from_equation 0.1.0
[INFO] tweaked toml for crates.io crate function_from_equation 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a8f4bf2501dacf881cca5ac7b1a9a2a047e1d4ff28cfe414e6215192359c4f2
[INFO] running `Command { std: "docker" "start" "-a" "3a8f4bf2501dacf881cca5ac7b1a9a2a047e1d4ff28cfe414e6215192359c4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a8f4bf2501dacf881cca5ac7b1a9a2a047e1d4ff28cfe414e6215192359c4f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8f4bf2501dacf881cca5ac7b1a9a2a047e1d4ff28cfe414e6215192359c4f2", kill_on_drop: false }`
[INFO] [stdout] 3a8f4bf2501dacf881cca5ac7b1a9a2a047e1d4ff28cfe414e6215192359c4f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8d1e0768aeb3a1db0756af71b6a06f320a97e0a182407754498266dd7d9b20
[INFO] running `Command { std: "docker" "start" "-a" "0c8d1e0768aeb3a1db0756af71b6a06f320a97e0a182407754498266dd7d9b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling function_from_equation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(proc_macro_quote)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `function_from_equation` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0c8d1e0768aeb3a1db0756af71b6a06f320a97e0a182407754498266dd7d9b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8d1e0768aeb3a1db0756af71b6a06f320a97e0a182407754498266dd7d9b20", kill_on_drop: false }`
[INFO] [stdout] 0c8d1e0768aeb3a1db0756af71b6a06f320a97e0a182407754498266dd7d9b20
