[INFO] fetching crate ssb-rpc 0.3.1...
[INFO] testing ssb-rpc-0.3.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ssb-rpc 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ssb-rpc 0.3.1 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 ssb-rpc 0.3.1
[INFO] finished tweaking crates.io crate ssb-rpc 0.3.1
[INFO] tweaked toml for crates.io crate ssb-rpc 0.3.1 written to /workspace/builds/worker-9/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multi-producer-sink v0.3.0
[INFO] [stderr]   Downloaded ssb-common v0.3.0
[INFO] [stderr]   Downloaded multi-consumer-stream v0.3.0
[INFO] [stderr]   Downloaded ssb-common v0.2.5
[INFO] [stderr]   Downloaded box_stream v0.4.0
[INFO] [stderr]   Downloaded packet-stream-codec v0.1.0
[INFO] [stderr]   Downloaded atm-async-utils v0.1.2
[INFO] [stderr]   Downloaded secret_handshake v4.0.0
[INFO] [stderr]   Downloaded muxrpc v0.2.0
[INFO] [stderr]   Downloaded secret_stream v0.2.0
[INFO] [stderr]   Downloaded quickcheck v0.5.0
[INFO] [stderr]   Downloaded packet-stream v0.5.0
[INFO] [stderr]   Downloaded ssb-keyfile v0.1.2
[INFO] [stderr]   Downloaded atm-io-utils v0.1.0
[INFO] [stderr]   Downloaded libsodium-sys v0.0.16
[INFO] [stderr]   Downloaded sodiumoxide v0.0.16
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db22ea8eeedc04a6b1ba274bd2fa67e3bcaff9a4806d840e5295b5f21ac80c48
[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" "db22ea8eeedc04a6b1ba274bd2fa67e3bcaff9a4806d840e5295b5f21ac80c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db22ea8eeedc04a6b1ba274bd2fa67e3bcaff9a4806d840e5295b5f21ac80c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db22ea8eeedc04a6b1ba274bd2fa67e3bcaff9a4806d840e5295b5f21ac80c48", kill_on_drop: false }`
[INFO] [stdout] db22ea8eeedc04a6b1ba274bd2fa67e3bcaff9a4806d840e5295b5f21ac80c48
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d133a3c0f4b3cfeccd7d695938174b7c5eca15bf622d5ab0642a9a3afb43bbae
[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" "d133a3c0f4b3cfeccd7d695938174b7c5eca15bf622d5ab0642a9a3afb43bbae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
[INFO] [stderr]    Compiling secret_handshake v4.0.0
[INFO] [stderr]    Compiling multi-consumer-stream v0.3.0
[INFO] [stderr]    Compiling multi-producer-sink v0.3.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling quickcheck v0.5.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling sodiumoxide v0.0.16
[INFO] [stderr]    Compiling atm-async-utils v0.1.2
[INFO] [stderr]    Compiling atm-io-utils v0.1.0
[INFO] [stderr]    Compiling packet-stream-codec v0.1.0
[INFO] [stderr]    Compiling packet-stream v0.5.0
[INFO] [stderr]    Compiling muxrpc v0.2.0
[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/secret_handshake-4.0.0/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/secret_handshake-4.0.0/src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secret_handshake` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d133a3c0f4b3cfeccd7d695938174b7c5eca15bf622d5ab0642a9a3afb43bbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d133a3c0f4b3cfeccd7d695938174b7c5eca15bf622d5ab0642a9a3afb43bbae", kill_on_drop: false }`
[INFO] [stdout] d133a3c0f4b3cfeccd7d695938174b7c5eca15bf622d5ab0642a9a3afb43bbae