[INFO] fetching crate shamirsecretsharing 0.1.5...
[INFO] checking shamirsecretsharing-0.1.5 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate shamirsecretsharing 0.1.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate shamirsecretsharing 0.1.5 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shamirsecretsharing 0.1.5
[INFO] finished tweaking crates.io crate shamirsecretsharing 0.1.5
[INFO] tweaked toml for crates.io crate shamirsecretsharing 0.1.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44fa8fa45640715cf3b7f47f1be82d6e67957c81d0d66ab5218671498adf2a68
[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" "44fa8fa45640715cf3b7f47f1be82d6e67957c81d0d66ab5218671498adf2a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44fa8fa45640715cf3b7f47f1be82d6e67957c81d0d66ab5218671498adf2a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fa8fa45640715cf3b7f47f1be82d6e67957c81d0d66ab5218671498adf2a68", kill_on_drop: false }`
[INFO] [stdout] 44fa8fa45640715cf3b7f47f1be82d6e67957c81d0d66ab5218671498adf2a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d8f8a4331b994eeeea3120dd6a50dbbe0effbc604379652d89279cf9ea13f7d
[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" "7d8f8a4331b994eeeea3120dd6a50dbbe0effbc604379652d89279cf9ea13f7d", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking shamirsecretsharing v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/latencies.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[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 `shamirsecretsharing` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d8f8a4331b994eeeea3120dd6a50dbbe0effbc604379652d89279cf9ea13f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8f8a4331b994eeeea3120dd6a50dbbe0effbc604379652d89279cf9ea13f7d", kill_on_drop: false }`
[INFO] [stdout] 7d8f8a4331b994eeeea3120dd6a50dbbe0effbc604379652d89279cf9ea13f7d
