[INFO] fetching crate bacteria 0.0.10...
[INFO] testing bacteria-0.0.10 against 1.60.0 for beta-1.61-1
[INFO] extracting crate bacteria 0.0.10 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bacteria 0.0.10 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bacteria 0.0.10
[INFO] finished tweaking crates.io crate bacteria 0.0.10
[INFO] tweaked toml for crates.io crate bacteria 0.0.10 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded curve25519-dalek-ng v4.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a8f09622472c23da7ddad72a4e0a30718c045ea96cbe9b5dc89802ab91eb5ce7
[INFO] running `Command { std: "docker" "start" "-a" "a8f09622472c23da7ddad72a4e0a30718c045ea96cbe9b5dc89802ab91eb5ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8f09622472c23da7ddad72a4e0a30718c045ea96cbe9b5dc89802ab91eb5ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f09622472c23da7ddad72a4e0a30718c045ea96cbe9b5dc89802ab91eb5ce7", kill_on_drop: false }`
[INFO] [stdout] a8f09622472c23da7ddad72a4e0a30718c045ea96cbe9b5dc89802ab91eb5ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623d7842849a05764357130c5919d632cc4be6d412bcaacae95cf79c90b3f698
[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" "623d7842849a05764357130c5919d632cc4be6d412bcaacae95cf79c90b3f698", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling packed_simd_2 v0.3.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling subtle-ng v2.5.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zeroize v1.5.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.7/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     adt_const_params,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 226 | |     custom_inner_attributes,
[INFO] [stdout] 227 | | )]
[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 `packed_simd_2` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "623d7842849a05764357130c5919d632cc4be6d412bcaacae95cf79c90b3f698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623d7842849a05764357130c5919d632cc4be6d412bcaacae95cf79c90b3f698", kill_on_drop: false }`
[INFO] [stdout] 623d7842849a05764357130c5919d632cc4be6d412bcaacae95cf79c90b3f698