[INFO] fetching crate jwts 0.2.3...
[INFO] checking jwts-0.2.3 against beta for pr-78714
[INFO] extracting crate jwts 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate jwts 0.2.3 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 jwts 0.2.3
[INFO] finished tweaking crates.io crate jwts 0.2.3
[INFO] tweaked toml for crates.io crate jwts 0.2.3 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] 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] 34595276aed937882cbeffc2426277a13a6fd66f0e78ac74574f6091b1c342fe
[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" "34595276aed937882cbeffc2426277a13a6fd66f0e78ac74574f6091b1c342fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34595276aed937882cbeffc2426277a13a6fd66f0e78ac74574f6091b1c342fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34595276aed937882cbeffc2426277a13a6fd66f0e78ac74574f6091b1c342fe", kill_on_drop: false }`
[INFO] [stdout] 34595276aed937882cbeffc2426277a13a6fd66f0e78ac74574f6091b1c342fe
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d00a69696f6cd246350f8e50919a50d9cf799adb4e811321368d6ae3d4ccb6e2
[INFO] running `Command { std: "docker" "start" "-a" "d00a69696f6cd246350f8e50919a50d9cf799adb4e811321368d6ae3d4ccb6e2", kill_on_drop: false }`
[INFO] [stderr]     Checking ring v0.16.15
[INFO] [stderr]     Checking jwts v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "d00a69696f6cd246350f8e50919a50d9cf799adb4e811321368d6ae3d4ccb6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d00a69696f6cd246350f8e50919a50d9cf799adb4e811321368d6ae3d4ccb6e2", kill_on_drop: false }`
[INFO] [stdout] d00a69696f6cd246350f8e50919a50d9cf799adb4e811321368d6ae3d4ccb6e2