[INFO] fetching crate flat-veb 0.1.2...
[INFO] testing flat-veb-0.1.2 against 1.75.0 for beta-1.76-1
[INFO] extracting crate flat-veb 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate flat-veb 0.1.2 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flat-veb 0.1.2
[INFO] finished tweaking crates.io crate flat-veb 0.1.2
[INFO] tweaked toml for crates.io crate flat-veb 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 842bf0e3b1c07c8c06d37cfc56265cc247985027a643eed2813255db72b8c17a
[INFO] running `Command { std: "docker" "start" "-a" "842bf0e3b1c07c8c06d37cfc56265cc247985027a643eed2813255db72b8c17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "842bf0e3b1c07c8c06d37cfc56265cc247985027a643eed2813255db72b8c17a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "842bf0e3b1c07c8c06d37cfc56265cc247985027a643eed2813255db72b8c17a", kill_on_drop: false }`
[INFO] [stdout] 842bf0e3b1c07c8c06d37cfc56265cc247985027a643eed2813255db72b8c17a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28bc5d9457f3928309c5f00c512063a2302d53b06378076574b7d850697d0193
[INFO] running `Command { std: "docker" "start" "-a" "28bc5d9457f3928309c5f00c512063a2302d53b06378076574b7d850697d0193", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat-veb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #![feature(generic_const_exprs)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flat-veb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "28bc5d9457f3928309c5f00c512063a2302d53b06378076574b7d850697d0193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28bc5d9457f3928309c5f00c512063a2302d53b06378076574b7d850697d0193", kill_on_drop: false }`
[INFO] [stdout] 28bc5d9457f3928309c5f00c512063a2302d53b06378076574b7d850697d0193
[INFO] testing flat-veb-0.1.2 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate flat-veb 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate flat-veb 0.1.2 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flat-veb 0.1.2
[INFO] finished tweaking crates.io crate flat-veb 0.1.2
[INFO] tweaked toml for crates.io crate flat-veb 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45c18dbf3078151c1bd4b994b8d4dcb894b64d3f6581c8512560e529ea54692b
[INFO] running `Command { std: "docker" "start" "-a" "45c18dbf3078151c1bd4b994b8d4dcb894b64d3f6581c8512560e529ea54692b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c18dbf3078151c1bd4b994b8d4dcb894b64d3f6581c8512560e529ea54692b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c18dbf3078151c1bd4b994b8d4dcb894b64d3f6581c8512560e529ea54692b", kill_on_drop: false }`
[INFO] [stdout] 45c18dbf3078151c1bd4b994b8d4dcb894b64d3f6581c8512560e529ea54692b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf8aa160874f5c5f285248b958abcd885a43078d2044167774675dbf8c8ebf9
[INFO] running `Command { std: "docker" "start" "-a" "aaf8aa160874f5c5f285248b958abcd885a43078d2044167774675dbf8c8ebf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling flat-veb v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #![feature(generic_const_exprs)]
[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 `flat-veb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aaf8aa160874f5c5f285248b958abcd885a43078d2044167774675dbf8c8ebf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf8aa160874f5c5f285248b958abcd885a43078d2044167774675dbf8c8ebf9", kill_on_drop: false }`
[INFO] [stdout] aaf8aa160874f5c5f285248b958abcd885a43078d2044167774675dbf8c8ebf9
