[INFO] fetching crate ruma-signatures 0.6.0-dev.1...
[INFO] checking ruma-signatures-0.6.0-dev.1 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate ruma-signatures 0.6.0-dev.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ruma-signatures 0.6.0-dev.1 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruma-signatures 0.6.0-dev.1
[INFO] finished tweaking crates.io crate ruma-signatures 0.6.0-dev.1
[INFO] tweaked toml for crates.io crate ruma-signatures 0.6.0-dev.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e30ac829e5de06b6778537995b748a735484dd50ce0cfa5d00bb76ab9a6cf0
[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" "59e30ac829e5de06b6778537995b748a735484dd50ce0cfa5d00bb76ab9a6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e30ac829e5de06b6778537995b748a735484dd50ce0cfa5d00bb76ab9a6cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e30ac829e5de06b6778537995b748a735484dd50ce0cfa5d00bb76ab9a6cf0", kill_on_drop: false }`
[INFO] [stdout] 59e30ac829e5de06b6778537995b748a735484dd50ce0cfa5d00bb76ab9a6cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 6ac8ded1b1fcc17eafd4035f768d9baaeebaeaf259d908ec981e1c0344eb8498
[INFO] running `Command { std: "docker" "start" "-a" "6ac8ded1b1fcc17eafd4035f768d9baaeebaeaf259d908ec981e1c0344eb8498", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling ring v0.16.16
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking ruma-signatures v0.6.0-dev.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "6ac8ded1b1fcc17eafd4035f768d9baaeebaeaf259d908ec981e1c0344eb8498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac8ded1b1fcc17eafd4035f768d9baaeebaeaf259d908ec981e1c0344eb8498", kill_on_drop: false }`
[INFO] [stdout] 6ac8ded1b1fcc17eafd4035f768d9baaeebaeaf259d908ec981e1c0344eb8498