[INFO] fetching crate solana-perf 1.4.6...
[INFO] checking solana-perf-1.4.6 against beta for pr-78714
[INFO] extracting crate solana-perf 1.4.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate solana-perf 1.4.6 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana-perf 1.4.6
[INFO] finished tweaking crates.io crate solana-perf 1.4.6
[INFO] tweaked toml for crates.io crate solana-perf 1.4.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 9769d48ba780a0b1918ec07ec133d438b2a65f7d34f051456f3781fe14cffb7e
[INFO] running `Command { std: "docker" "start" "-a" "9769d48ba780a0b1918ec07ec133d438b2a65f7d34f051456f3781fe14cffb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9769d48ba780a0b1918ec07ec133d438b2a65f7d34f051456f3781fe14cffb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9769d48ba780a0b1918ec07ec133d438b2a65f7d34f051456f3781fe14cffb7e", kill_on_drop: false }`
[INFO] [stdout] 9769d48ba780a0b1918ec07ec133d438b2a65f7d34f051456f3781fe14cffb7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] 91e3b0eeffecbf32bccdf67adbcc98e4e270b8a850ffd59691c92d03302e463c
[INFO] running `Command { std: "docker" "start" "-a" "91e3b0eeffecbf32bccdf67adbcc98e4e270b8a850ffd59691c92d03302e463c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking solana-crate-features v1.4.7
[INFO] [stderr]     Checking solana-sdk v1.4.7
[INFO] [stderr]     Checking solana-budget-program v1.4.7
[INFO] [stderr]     Checking solana-metrics v1.4.7
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]     Checking dlopen v0.1.8
[INFO] [stderr]     Checking solana-perf v1.4.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/sigverify.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 `solana-perf`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "91e3b0eeffecbf32bccdf67adbcc98e4e270b8a850ffd59691c92d03302e463c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e3b0eeffecbf32bccdf67adbcc98e4e270b8a850ffd59691c92d03302e463c", kill_on_drop: false }`
[INFO] [stdout] 91e3b0eeffecbf32bccdf67adbcc98e4e270b8a850ffd59691c92d03302e463c