[INFO] fetching crate casper_types_derive 0.1.0...
[INFO] testing casper_types_derive-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate casper_types_derive 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate casper_types_derive 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper_types_derive 0.1.0
[INFO] finished tweaking crates.io crate casper_types_derive 0.1.0
[INFO] tweaked toml for crates.io crate casper_types_derive 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded datasize_derive v0.2.9
[INFO] [stderr]   Downloaded blake2 v0.9.2
[INFO] [stderr]   Downloaded datasize v0.2.9
[INFO] [stderr]   Downloaded casper-types v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] d5b88f06a8f5d211168dfdb4b999377bfa0038fc0b9ecdeb8f858a9a892dbb23
[INFO] running `Command { std: "docker" "start" "-a" "d5b88f06a8f5d211168dfdb4b999377bfa0038fc0b9ecdeb8f858a9a892dbb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b88f06a8f5d211168dfdb4b999377bfa0038fc0b9ecdeb8f858a9a892dbb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b88f06a8f5d211168dfdb4b999377bfa0038fc0b9ecdeb8f858a9a892dbb23", kill_on_drop: false }`
[INFO] [stdout] d5b88f06a8f5d211168dfdb4b999377bfa0038fc0b9ecdeb8f858a9a892dbb23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] 3ef579cbaa9299c979de86183ca3d4498d71b01f5bbb10d5c45f7961824df927
[INFO] running `Command { std: "docker" "start" "-a" "3ef579cbaa9299c979de86183ca3d4498d71b01f5bbb10d5c45f7961824df927", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling casper_types_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "3ef579cbaa9299c979de86183ca3d4498d71b01f5bbb10d5c45f7961824df927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef579cbaa9299c979de86183ca3d4498d71b01f5bbb10d5c45f7961824df927", kill_on_drop: false }`
[INFO] [stdout] 3ef579cbaa9299c979de86183ca3d4498d71b01f5bbb10d5c45f7961824df927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] 2613d7474ddd4cdf6ace3aa00b43563540e8ad06227619c3fbe2ed7fc4354549
[INFO] running `Command { std: "docker" "start" "-a" "2613d7474ddd4cdf6ace3aa00b43563540e8ad06227619c3fbe2ed7fc4354549", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling datasize_derive v0.2.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling uint v0.9.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling datasize v0.2.9
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling elliptic-curve v0.8.5
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling ecdsa v0.10.2
[INFO] [stderr]    Compiling k256 v0.7.3
[INFO] [stderr]    Compiling casper-types v1.3.2
[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/casper-types-1.3.2/src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     feature(min_specialization, try_reserve)
[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 `casper-types` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2613d7474ddd4cdf6ace3aa00b43563540e8ad06227619c3fbe2ed7fc4354549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2613d7474ddd4cdf6ace3aa00b43563540e8ad06227619c3fbe2ed7fc4354549", kill_on_drop: false }`
[INFO] [stdout] 2613d7474ddd4cdf6ace3aa00b43563540e8ad06227619c3fbe2ed7fc4354549