[INFO] fetching crate synchronized-writer 1.1.9...
[INFO] checking synchronized-writer-1.1.9 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate synchronized-writer 1.1.9 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate synchronized-writer 1.1.9 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synchronized-writer 1.1.9
[INFO] finished tweaking crates.io crate synchronized-writer 1.1.9
[INFO] tweaked toml for crates.io crate synchronized-writer 1.1.9 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2976e1f7f4c559eda9e4897b63ed5434cc1e196778f8a359c34d33792a5817f4
[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" "2976e1f7f4c559eda9e4897b63ed5434cc1e196778f8a359c34d33792a5817f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2976e1f7f4c559eda9e4897b63ed5434cc1e196778f8a359c34d33792a5817f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2976e1f7f4c559eda9e4897b63ed5434cc1e196778f8a359c34d33792a5817f4", kill_on_drop: false }`
[INFO] [stdout] 2976e1f7f4c559eda9e4897b63ed5434cc1e196778f8a359c34d33792a5817f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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] 78a5883cdc38c823134a17f090cf33af69b5d55dc4eba854dae362e29a400bb6
[INFO] running `Command { std: "docker" "start" "-a" "78a5883cdc38c823134a17f090cf33af69b5d55dc4eba854dae362e29a400bb6", kill_on_drop: false }`
[INFO] [stderr]     Checking synchronized-writer v1.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "78a5883cdc38c823134a17f090cf33af69b5d55dc4eba854dae362e29a400bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78a5883cdc38c823134a17f090cf33af69b5d55dc4eba854dae362e29a400bb6", kill_on_drop: false }`
[INFO] [stdout] 78a5883cdc38c823134a17f090cf33af69b5d55dc4eba854dae362e29a400bb6