[INFO] fetching crate float_math 0.0.3...
[INFO] testing float_math-0.0.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate float_math 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate float_math 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] started tweaking crates.io crate float_math 0.0.3
[INFO] finished tweaking crates.io crate float_math 0.0.3
[INFO] tweaked toml for crates.io crate float_math 0.0.3 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4db1fb1b1e4e4b25c2d2e3becec354a5b592733a21beb8e29998246f3c4f2fd8
[INFO] running `Command { std: "docker" "start" "-a" "4db1fb1b1e4e4b25c2d2e3becec354a5b592733a21beb8e29998246f3c4f2fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db1fb1b1e4e4b25c2d2e3becec354a5b592733a21beb8e29998246f3c4f2fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db1fb1b1e4e4b25c2d2e3becec354a5b592733a21beb8e29998246f3c4f2fd8", kill_on_drop: false }`
[INFO] [stdout] 4db1fb1b1e4e4b25c2d2e3becec354a5b592733a21beb8e29998246f3c4f2fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dcc223b97f9715169db0389f73b618e3bbfb44de8d4f5e075383b8cd3b9ff947
[INFO] running `Command { std: "docker" "start" "-a" "dcc223b97f9715169db0389f73b618e3bbfb44de8d4f5e075383b8cd3b9ff947", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.14.0
[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-6f17d22bba15001f/bytemuck-1.14.0/src/lib.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "nightly_portable_simd", feature(portable_simd))]
[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 `bytemuck` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dcc223b97f9715169db0389f73b618e3bbfb44de8d4f5e075383b8cd3b9ff947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc223b97f9715169db0389f73b618e3bbfb44de8d4f5e075383b8cd3b9ff947", kill_on_drop: false }`
[INFO] [stdout] dcc223b97f9715169db0389f73b618e3bbfb44de8d4f5e075383b8cd3b9ff947
[INFO] testing float_math-0.0.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate float_math 0.0.3 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate float_math 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] started tweaking crates.io crate float_math 0.0.3
[INFO] finished tweaking crates.io crate float_math 0.0.3
[INFO] tweaked toml for crates.io crate float_math 0.0.3 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a3a0d0e58e570e6a16aade133431ab525ad4c6055964e011d1fc1ff02e83050b
[INFO] running `Command { std: "docker" "start" "-a" "a3a0d0e58e570e6a16aade133431ab525ad4c6055964e011d1fc1ff02e83050b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a0d0e58e570e6a16aade133431ab525ad4c6055964e011d1fc1ff02e83050b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a0d0e58e570e6a16aade133431ab525ad4c6055964e011d1fc1ff02e83050b", kill_on_drop: false }`
[INFO] [stdout] a3a0d0e58e570e6a16aade133431ab525ad4c6055964e011d1fc1ff02e83050b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4c327fb2e1fd79d2b6793693c943458b9fb2b1f35d881dd39f775cc890035621
[INFO] running `Command { std: "docker" "start" "-a" "4c327fb2e1fd79d2b6793693c943458b9fb2b1f35d881dd39f775cc890035621", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytemuck-1.14.0/src/lib.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "nightly_portable_simd", feature(portable_simd))]
[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 `bytemuck` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c327fb2e1fd79d2b6793693c943458b9fb2b1f35d881dd39f775cc890035621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c327fb2e1fd79d2b6793693c943458b9fb2b1f35d881dd39f775cc890035621", kill_on_drop: false }`
[INFO] [stdout] 4c327fb2e1fd79d2b6793693c943458b9fb2b1f35d881dd39f775cc890035621
