[INFO] fetching crate pi_ecs_macros 0.1.0...
[INFO] testing pi_ecs_macros-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate pi_ecs_macros 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pi_ecs_macros 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_ecs_macros 0.1.0
[INFO] finished tweaking crates.io crate pi_ecs_macros 0.1.0
[INFO] tweaked toml for crates.io crate pi_ecs_macros 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 725263c4bad4b3e8c98d262c2e193628e321ce94a4093724c5d528a11f7e0fdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "725263c4bad4b3e8c98d262c2e193628e321ce94a4093724c5d528a11f7e0fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "725263c4bad4b3e8c98d262c2e193628e321ce94a4093724c5d528a11f7e0fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725263c4bad4b3e8c98d262c2e193628e321ce94a4093724c5d528a11f7e0fdd", kill_on_drop: false }`
[INFO] [stdout] 725263c4bad4b3e8c98d262c2e193628e321ce94a4093724c5d528a11f7e0fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a369d4a4d915e938a95f66942ec3733ef8ab4f0c80a11233d3b859dcaaa3d631
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a369d4a4d915e938a95f66942ec3733ef8ab4f0c80a11233d3b859dcaaa3d631", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling pi_ecs_macros 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(if_let_guard)]
[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 `pi_ecs_macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a369d4a4d915e938a95f66942ec3733ef8ab4f0c80a11233d3b859dcaaa3d631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a369d4a4d915e938a95f66942ec3733ef8ab4f0c80a11233d3b859dcaaa3d631", kill_on_drop: false }`
[INFO] [stdout] a369d4a4d915e938a95f66942ec3733ef8ab4f0c80a11233d3b859dcaaa3d631