[INFO] fetching crate worlds_ecs 0.1.0...
[INFO] testing worlds_ecs-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate worlds_ecs 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate worlds_ecs 0.1.0
[INFO] finished tweaking crates.io crate worlds_ecs 0.1.0
[INFO] tweaked toml for crates.io crate worlds_ecs 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate worlds_ecs 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate worlds_ecs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded worlds_derive v0.1.0
[INFO] [stderr]   Downloaded primitive-types v0.13.1
[INFO] [stderr]   Downloaded crunchy v0.2.3
[INFO] [stderr]   Downloaded impl-codec v0.7.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.7.4
[INFO] [stderr]   Downloaded toml_datetime v0.6.8
[INFO] [stderr]   Downloaded bevy_ptr v0.15.3
[INFO] [stderr]   Downloaded rustversion v1.0.20
[INFO] [stderr]   Downloaded smallvec v1.14.0
[INFO] [stderr]   Downloaded getrandom v0.2.15
[INFO] [stderr]   Downloaded uint v0.10.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.94
[INFO] [stderr]   Downloaded parity-scale-codec v3.7.4
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded toml_edit v0.22.24
[INFO] [stderr]   Downloaded indexmap v2.8.0
[INFO] [stderr]   Downloaded hashbrown v0.15.2
[INFO] [stderr]   Downloaded winnow v0.7.4
[INFO] [stderr]   Downloaded syn v2.0.100
[INFO] [stderr]   Downloaded zerocopy v0.8.23
[INFO] [stderr]   Downloaded libc v0.2.171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf
[INFO] running `Command { std: "docker" "start" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling bevy_ptr v0.15.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling uint v0.10.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling primitive-types v0.13.1
[INFO] [stderr]    Compiling worlds_derive v0.1.0
[INFO] [stderr]    Compiling worlds_ecs 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_mut_unchecked)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `worlds_ecs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf", kill_on_drop: false }`
[INFO] [stdout] 1144d193420f3d613d67669740c36d91c3c5e76847205393936a52167cdb58bf
