[INFO] fetching crate lovm2_std 0.4.8...
[INFO] testing lovm2_std-0.4.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lovm2_std 0.4.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lovm2_std 0.4.8 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 lovm2_std 0.4.8
[INFO] finished tweaking crates.io crate lovm2_std 0.4.8
[INFO] tweaked toml for crates.io crate lovm2_std 0.4.8 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cf742912676c9e6eb60c833a6f8f67f5923aa8027e09e6ef47da21185e64dd7f
[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" "cf742912676c9e6eb60c833a6f8f67f5923aa8027e09e6ef47da21185e64dd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf742912676c9e6eb60c833a6f8f67f5923aa8027e09e6ef47da21185e64dd7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf742912676c9e6eb60c833a6f8f67f5923aa8027e09e6ef47da21185e64dd7f", kill_on_drop: false }`
[INFO] [stdout] cf742912676c9e6eb60c833a6f8f67f5923aa8027e09e6ef47da21185e64dd7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] cfac2d4af8656944920999da61cab71c09b7074d8deb357bee60891960d7128a
[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" "cfac2d4af8656944920999da61cab71c09b7074d8deb357bee60891960d7128a", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.43
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling curl-sys v0.4.53+curl-7.82.0
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling lovm2_module v0.1.0
[INFO] [stderr]    Compiling tiny_http v0.7.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lovm2_module-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[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 `lovm2_module` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cfac2d4af8656944920999da61cab71c09b7074d8deb357bee60891960d7128a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfac2d4af8656944920999da61cab71c09b7074d8deb357bee60891960d7128a", kill_on_drop: false }`
[INFO] [stdout] cfac2d4af8656944920999da61cab71c09b7074d8deb357bee60891960d7128a