[INFO] fetching crate downsample 0.0.3...
[INFO] testing downsample-0.0.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate downsample 0.0.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate downsample 0.0.3 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-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate downsample 0.0.3
[INFO] finished tweaking crates.io crate downsample 0.0.3
[INFO] tweaked toml for crates.io crate downsample 0.0.3 written to /workspace/builds/worker-6-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] [stderr]     Updating crates.io index
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6e7da4e6d7deb1ad09febd7154702f3557c2799fae564f98eb664fef2d4e576f
[INFO] running `Command { std: "docker" "start" "-a" "6e7da4e6d7deb1ad09febd7154702f3557c2799fae564f98eb664fef2d4e576f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e7da4e6d7deb1ad09febd7154702f3557c2799fae564f98eb664fef2d4e576f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7da4e6d7deb1ad09febd7154702f3557c2799fae564f98eb664fef2d4e576f", kill_on_drop: false }`
[INFO] [stdout] 6e7da4e6d7deb1ad09febd7154702f3557c2799fae564f98eb664fef2d4e576f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9bccc8e0fdc6174be97aa0d9da1f3ab5d69190c7fe35e6ff97253c500f8d60a4
[INFO] running `Command { std: "docker" "start" "-a" "9bccc8e0fdc6174be97aa0d9da1f3ab5d69190c7fe35e6ff97253c500f8d60a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling downsample v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(adt_const_params)]
[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 `downsample` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9bccc8e0fdc6174be97aa0d9da1f3ab5d69190c7fe35e6ff97253c500f8d60a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bccc8e0fdc6174be97aa0d9da1f3ab5d69190c7fe35e6ff97253c500f8d60a4", kill_on_drop: false }`
[INFO] [stdout] 9bccc8e0fdc6174be97aa0d9da1f3ab5d69190c7fe35e6ff97253c500f8d60a4
[INFO] testing downsample-0.0.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate downsample 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate downsample 0.0.3 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-6-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate downsample 0.0.3
[INFO] finished tweaking crates.io crate downsample 0.0.3
[INFO] tweaked toml for crates.io crate downsample 0.0.3 written to /workspace/builds/worker-6-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]     Updating crates.io index
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7b9db26ed9f9a5315c13b141353d317a339512ea387aa2bf8d67f1dde8dcc888
[INFO] running `Command { std: "docker" "start" "-a" "7b9db26ed9f9a5315c13b141353d317a339512ea387aa2bf8d67f1dde8dcc888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b9db26ed9f9a5315c13b141353d317a339512ea387aa2bf8d67f1dde8dcc888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b9db26ed9f9a5315c13b141353d317a339512ea387aa2bf8d67f1dde8dcc888", kill_on_drop: false }`
[INFO] [stdout] 7b9db26ed9f9a5315c13b141353d317a339512ea387aa2bf8d67f1dde8dcc888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c95a0a65b6fa3c21bd200e6e52d1d10467563297018d2fb9f7f7f0c0863f9e08
[INFO] running `Command { std: "docker" "start" "-a" "c95a0a65b6fa3c21bd200e6e52d1d10467563297018d2fb9f7f7f0c0863f9e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling downsample v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(adt_const_params)]
[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 `downsample` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c95a0a65b6fa3c21bd200e6e52d1d10467563297018d2fb9f7f7f0c0863f9e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95a0a65b6fa3c21bd200e6e52d1d10467563297018d2fb9f7f7f0c0863f9e08", kill_on_drop: false }`
[INFO] [stdout] c95a0a65b6fa3c21bd200e6e52d1d10467563297018d2fb9f7f7f0c0863f9e08
