[INFO] fetching crate libyaml 0.1.0...
[INFO] checking libyaml-0.1.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate libyaml 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libyaml 0.1.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libyaml 0.1.0
[INFO] finished tweaking crates.io crate libyaml 0.1.0
[INFO] tweaked toml for crates.io crate libyaml 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate libyaml 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libyaml-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3eab58d508cb8ede83e0079f2a9cb90995bfd2d02efe11053524f5d363b4919
[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" "e3eab58d508cb8ede83e0079f2a9cb90995bfd2d02efe11053524f5d363b4919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3eab58d508cb8ede83e0079f2a9cb90995bfd2d02efe11053524f5d363b4919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3eab58d508cb8ede83e0079f2a9cb90995bfd2d02efe11053524f5d363b4919", kill_on_drop: false }`
[INFO] [stdout] e3eab58d508cb8ede83e0079f2a9cb90995bfd2d02efe11053524f5d363b4919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee8b4ed4fe04bf125e89176b5b39f9e4fa658e4b54a4b0f26d757b0fb3e17838
[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" "ee8b4ed4fe04bf125e89176b5b39f9e4fa658e4b54a4b0f26d757b0fb3e17838", kill_on_drop: false }`
[INFO] [stderr]    Compiling libyaml-sys v0.1.0
[INFO] [stderr]     Checking libc v0.2.62
[INFO] [stderr]     Checking libyaml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "ee8b4ed4fe04bf125e89176b5b39f9e4fa658e4b54a4b0f26d757b0fb3e17838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8b4ed4fe04bf125e89176b5b39f9e4fa658e4b54a4b0f26d757b0fb3e17838", kill_on_drop: false }`
[INFO] [stdout] ee8b4ed4fe04bf125e89176b5b39f9e4fa658e4b54a4b0f26d757b0fb3e17838