[INFO] fetching crate enumflags2_derive 0.7.0-preview1...
[INFO] checking enumflags2_derive-0.7.0-preview1 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate enumflags2_derive 0.7.0-preview1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate enumflags2_derive 0.7.0-preview1 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enumflags2_derive 0.7.0-preview1
[INFO] finished tweaking crates.io crate enumflags2_derive 0.7.0-preview1
[INFO] tweaked toml for crates.io crate enumflags2_derive 0.7.0-preview1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7647f9286769d21d2787c9dc4b8634c07bc0ac8da1f80c7ce288dfa279423a42
[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" "7647f9286769d21d2787c9dc4b8634c07bc0ac8da1f80c7ce288dfa279423a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7647f9286769d21d2787c9dc4b8634c07bc0ac8da1f80c7ce288dfa279423a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7647f9286769d21d2787c9dc4b8634c07bc0ac8da1f80c7ce288dfa279423a42", kill_on_drop: false }`
[INFO] [stdout] 7647f9286769d21d2787c9dc4b8634c07bc0ac8da1f80c7ce288dfa279423a42
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "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] dbf30b8f611bc131bb561e99fc0e9e649e6168dd494290b202cecb41c288108e
[INFO] running `Command { std: "docker" "start" "-a" "dbf30b8f611bc131bb561e99fc0e9e649e6168dd494290b202cecb41c288108e", kill_on_drop: false }`
[INFO] [stderr]     Checking enumflags2_derive v0.7.0-preview1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "dbf30b8f611bc131bb561e99fc0e9e649e6168dd494290b202cecb41c288108e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf30b8f611bc131bb561e99fc0e9e649e6168dd494290b202cecb41c288108e", kill_on_drop: false }`
[INFO] [stdout] dbf30b8f611bc131bb561e99fc0e9e649e6168dd494290b202cecb41c288108e