[INFO] fetching crate k256 0.5.10...
[INFO] checking k256-0.5.10 against beta for pr-78714
[INFO] extracting crate k256 0.5.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate k256 0.5.10 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 k256 0.5.10
[INFO] finished tweaking crates.io crate k256 0.5.10
[INFO] tweaked toml for crates.io crate k256 0.5.10 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fc3850c438bf221e0a421896bb098be76c321a5d4d51fc7384e065d285e91701
[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" "fc3850c438bf221e0a421896bb098be76c321a5d4d51fc7384e065d285e91701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3850c438bf221e0a421896bb098be76c321a5d4d51fc7384e065d285e91701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3850c438bf221e0a421896bb098be76c321a5d4d51fc7384e065d285e91701", kill_on_drop: false }`
[INFO] [stdout] fc3850c438bf221e0a421896bb098be76c321a5d4d51fc7384e065d285e91701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 027a9751e9a42ca1ab3be59fbf5fcd62014332276f8e4e0cd17683cdf4091e43
[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" "027a9751e9a42ca1ab3be59fbf5fcd62014332276f8e4e0cd17683cdf4091e43", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.4.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking bitvec v0.18.4
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking ff v0.8.0
[INFO] [stderr]     Checking group v0.8.0
[INFO] [stderr]     Checking elliptic-curve v0.6.6
[INFO] [stderr]     Checking ecdsa v0.8.5
[INFO] [stderr]     Checking k256 v0.5.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "027a9751e9a42ca1ab3be59fbf5fcd62014332276f8e4e0cd17683cdf4091e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027a9751e9a42ca1ab3be59fbf5fcd62014332276f8e4e0cd17683cdf4091e43", kill_on_drop: false }`
[INFO] [stdout] 027a9751e9a42ca1ab3be59fbf5fcd62014332276f8e4e0cd17683cdf4091e43