[INFO] fetching crate libp3p 0.0.0...
[INFO] testing libp3p-0.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate libp3p 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libp3p 0.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp3p 0.0.0
[INFO] finished tweaking crates.io crate libp3p 0.0.0
[INFO] tweaked toml for crates.io crate libp3p 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded async-std v0.99.12
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded async-macros v1.0.0
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded mohan v0.0.53
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded futures-timer v1.0.3
[INFO] [stderr]   Downloaded balloon v0.0.14
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded blake3 v0.3.8
[INFO] [stderr]   Downloaded libm v0.1.4
[INFO] [stderr]   Downloaded thread-id v3.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] [stderr]   Downloaded hashbrown v0.5.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] [stderr]   Downloaded schnorr v0.0.20
[INFO] [stderr]   Downloaded bacteria v0.0.8
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b51895488d54a03c73a1763dff4e74a692445e6269129c64369f14d56baaaf5
[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" "4b51895488d54a03c73a1763dff4e74a692445e6269129c64369f14d56baaaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b51895488d54a03c73a1763dff4e74a692445e6269129c64369f14d56baaaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b51895488d54a03c73a1763dff4e74a692445e6269129c64369f14d56baaaf5", kill_on_drop: false }`
[INFO] [stdout] 4b51895488d54a03c73a1763dff4e74a692445e6269129c64369f14d56baaaf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c756f2661cc91966a5597cc4bef098b379c06dd18b5a76f20ed975500416168
[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" "8c756f2661cc91966a5597cc4bef098b379c06dd18b5a76f20ed975500416168", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling packed_simd_2 v0.3.7
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling futures-timer v1.0.3
[INFO] [stderr]    Compiling async-macros v1.0.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling zeroize v1.5.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling balloon v0.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[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/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] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling async-std v0.99.12
[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" "8c756f2661cc91966a5597cc4bef098b379c06dd18b5a76f20ed975500416168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c756f2661cc91966a5597cc4bef098b379c06dd18b5a76f20ed975500416168", kill_on_drop: false }`
[INFO] [stdout] 8c756f2661cc91966a5597cc4bef098b379c06dd18b5a76f20ed975500416168