[INFO] fetching crate size-trait 0.1.0...
[INFO] testing size-trait-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate size-trait 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate size-trait 0.1.0 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] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate size-trait 0.1.0
[INFO] finished tweaking crates.io crate size-trait 0.1.0
[INFO] tweaked toml for crates.io crate size-trait 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" "+1.75.0" "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-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 830e6a1b2b2dc897ce50a6700cd16b28f0962df7a4343139a6169a8397299a30
[INFO] running `Command { std: "docker" "start" "-a" "830e6a1b2b2dc897ce50a6700cd16b28f0962df7a4343139a6169a8397299a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "830e6a1b2b2dc897ce50a6700cd16b28f0962df7a4343139a6169a8397299a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830e6a1b2b2dc897ce50a6700cd16b28f0962df7a4343139a6169a8397299a30", kill_on_drop: false }`
[INFO] [stdout] 830e6a1b2b2dc897ce50a6700cd16b28f0962df7a4343139a6169a8397299a30
[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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f4e41248ca60e59b160d0ead588e937fe683f53690a7aa2241f8de3d881b6a
[INFO] running `Command { std: "docker" "start" "-a" "51f4e41248ca60e59b160d0ead588e937fe683f53690a7aa2241f8de3d881b6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling size-trait 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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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 `size-trait` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "51f4e41248ca60e59b160d0ead588e937fe683f53690a7aa2241f8de3d881b6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f4e41248ca60e59b160d0ead588e937fe683f53690a7aa2241f8de3d881b6a", kill_on_drop: false }`
[INFO] [stdout] 51f4e41248ca60e59b160d0ead588e937fe683f53690a7aa2241f8de3d881b6a
[INFO] testing size-trait-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate size-trait 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate size-trait 0.1.0 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate size-trait 0.1.0
[INFO] finished tweaking crates.io crate size-trait 0.1.0
[INFO] tweaked toml for crates.io crate size-trait 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-2023-12-22" "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-2023-12-22" "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-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4b340e9a2b31f9ace0b58d3f4797d1c0e97069d67541ac5aad406a4d876b16c
[INFO] running `Command { std: "docker" "start" "-a" "b4b340e9a2b31f9ace0b58d3f4797d1c0e97069d67541ac5aad406a4d876b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4b340e9a2b31f9ace0b58d3f4797d1c0e97069d67541ac5aad406a4d876b16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b340e9a2b31f9ace0b58d3f4797d1c0e97069d67541ac5aad406a4d876b16c", kill_on_drop: false }`
[INFO] [stdout] b4b340e9a2b31f9ace0b58d3f4797d1c0e97069d67541ac5aad406a4d876b16c
[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-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c962bc56f56ba97a13b0f1452931feb147f8540edfd823fe38bbe3aad962924f
[INFO] running `Command { std: "docker" "start" "-a" "c962bc56f56ba97a13b0f1452931feb147f8540edfd823fe38bbe3aad962924f", kill_on_drop: false }`
[INFO] [stderr]    Compiling size-trait 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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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 `size-trait` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c962bc56f56ba97a13b0f1452931feb147f8540edfd823fe38bbe3aad962924f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c962bc56f56ba97a13b0f1452931feb147f8540edfd823fe38bbe3aad962924f", kill_on_drop: false }`
[INFO] [stdout] c962bc56f56ba97a13b0f1452931feb147f8540edfd823fe38bbe3aad962924f
