[INFO] fetching crate worlds 0.1.1...
[INFO] checking worlds-0.1.1 against 1.95.0 for pr-155915
[INFO] extracting crate worlds 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate worlds 0.1.1
[INFO] finished tweaking crates.io crate worlds 0.1.1
[INFO] tweaked toml for crates.io crate worlds 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate worlds 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate worlds 0.1.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded worlds_ecs v0.1.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.7.4
[INFO] [stderr]   Downloaded bevy_ptr v0.15.3
[INFO] [stderr]   Downloaded parity-scale-codec v3.7.4
[INFO] [stderr]   Downloaded worlds_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f14066ceb823bdda1615389fa60870713b87c27f7c80e5d8134bda89fe201d00
[INFO] running `Command { std: "docker" "start" "-a" "f14066ceb823bdda1615389fa60870713b87c27f7c80e5d8134bda89fe201d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14066ceb823bdda1615389fa60870713b87c27f7c80e5d8134bda89fe201d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14066ceb823bdda1615389fa60870713b87c27f7c80e5d8134bda89fe201d00", kill_on_drop: false }`
[INFO] [stdout] f14066ceb823bdda1615389fa60870713b87c27f7c80e5d8134bda89fe201d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f28a31b81d79ff31f8dc4a7addfd8f73a6a1914058e4c34d38d1356fac9e531
[INFO] running `Command { std: "docker" "start" "-a" "4f28a31b81d79ff31f8dc4a7addfd8f73a6a1914058e4c34d38d1356fac9e531", 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]     Checking bevy_ptr v0.15.3
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking uint v0.10.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking primitive-types v0.13.1
[INFO] [stderr]    Compiling worlds_derive v0.1.0
[INFO] [stderr]     Checking worlds_ecs v0.1.0
[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-1949cf8c6b5b557f/worlds_ecs-0.1.0/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] running `Command { std: "docker" "inspect" "4f28a31b81d79ff31f8dc4a7addfd8f73a6a1914058e4c34d38d1356fac9e531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f28a31b81d79ff31f8dc4a7addfd8f73a6a1914058e4c34d38d1356fac9e531", kill_on_drop: false }`
[INFO] [stdout] 4f28a31b81d79ff31f8dc4a7addfd8f73a6a1914058e4c34d38d1356fac9e531