[INFO] fetching crate cffi-impl 0.1.2...
[INFO] checking cffi-impl-0.1.2 against beta for pr-78714
[INFO] extracting crate cffi-impl 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate cffi-impl 0.1.2 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 cffi-impl 0.1.2
[INFO] finished tweaking crates.io crate cffi-impl 0.1.2
[INFO] tweaked toml for crates.io crate cffi-impl 0.1.2 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b0ed197435dc647ee4ad5cd590c9be296208eec0a9455a5ee66be7ebbc2d7279
[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" "b0ed197435dc647ee4ad5cd590c9be296208eec0a9455a5ee66be7ebbc2d7279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ed197435dc647ee4ad5cd590c9be296208eec0a9455a5ee66be7ebbc2d7279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ed197435dc647ee4ad5cd590c9be296208eec0a9455a5ee66be7ebbc2d7279", kill_on_drop: false }`
[INFO] [stdout] b0ed197435dc647ee4ad5cd590c9be296208eec0a9455a5ee66be7ebbc2d7279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7b8221ff5edf74d1bcc711c54b7941645a7db551511d55082d73ee5ed5269fa2
[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" "7b8221ff5edf74d1bcc711c54b7941645a7db551511d55082d73ee5ed5269fa2", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling cffi-impl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.64s
[INFO] running `Command { std: "docker" "inspect" "7b8221ff5edf74d1bcc711c54b7941645a7db551511d55082d73ee5ed5269fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8221ff5edf74d1bcc711c54b7941645a7db551511d55082d73ee5ed5269fa2", kill_on_drop: false }`
[INFO] [stdout] 7b8221ff5edf74d1bcc711c54b7941645a7db551511d55082d73ee5ed5269fa2