[INFO] fetching crate buttercup-crypto 0.4.2...
[INFO] checking buttercup-crypto-0.4.2 against beta for pr-78714
[INFO] extracting crate buttercup-crypto 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate buttercup-crypto 0.4.2 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 buttercup-crypto 0.4.2
[INFO] finished tweaking crates.io crate buttercup-crypto 0.4.2
[INFO] tweaked toml for crates.io crate buttercup-crypto 0.4.2 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 4e70903a3c85174fbd7ee0921d00ba47fd3eb8de3e15eb3acbb9ad914747658b
[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" "4e70903a3c85174fbd7ee0921d00ba47fd3eb8de3e15eb3acbb9ad914747658b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e70903a3c85174fbd7ee0921d00ba47fd3eb8de3e15eb3acbb9ad914747658b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e70903a3c85174fbd7ee0921d00ba47fd3eb8de3e15eb3acbb9ad914747658b", kill_on_drop: false }`
[INFO] [stdout] 4e70903a3c85174fbd7ee0921d00ba47fd3eb8de3e15eb3acbb9ad914747658b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] f436a1ee550b982bfcf0f736226dfdae36272bb043a6e3c7d494dbd61b3acbb9
[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" "f436a1ee550b982bfcf0f736226dfdae36272bb043a6e3c7d494dbd61b3acbb9", kill_on_drop: false }`
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking aes-soft v0.1.0
[INFO] [stderr]     Checking block-modes v0.1.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking buttercup-crypto v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "f436a1ee550b982bfcf0f736226dfdae36272bb043a6e3c7d494dbd61b3acbb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f436a1ee550b982bfcf0f736226dfdae36272bb043a6e3c7d494dbd61b3acbb9", kill_on_drop: false }`
[INFO] [stdout] f436a1ee550b982bfcf0f736226dfdae36272bb043a6e3c7d494dbd61b3acbb9