[INFO] crate yaml-rust 0.4.4 is already in cache
[INFO] checking yaml-rust-0.4.4 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate yaml-rust 0.4.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate yaml-rust 0.4.4 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 yaml-rust 0.4.4
[INFO] finished tweaking crates.io crate yaml-rust 0.4.4
[INFO] tweaked toml for crates.io crate yaml-rust 0.4.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate yaml-rust 0.4.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51dfd0f35b6fcb61dfafd0a93fc2a482079888073b7fd375169219fb56a4fcdd
[INFO] running `Command { std: "docker" "start" "-a" "51dfd0f35b6fcb61dfafd0a93fc2a482079888073b7fd375169219fb56a4fcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51dfd0f35b6fcb61dfafd0a93fc2a482079888073b7fd375169219fb56a4fcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dfd0f35b6fcb61dfafd0a93fc2a482079888073b7fd375169219fb56a4fcdd", kill_on_drop: false }`
[INFO] [stdout] 51dfd0f35b6fcb61dfafd0a93fc2a482079888073b7fd375169219fb56a4fcdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 864c482dc1a3ba456d42d7877930f467a7e6e5253183d5e6650db23f335359d5
[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" "864c482dc1a3ba456d42d7877930f467a7e6e5253183d5e6650db23f335359d5", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking yaml-rust v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.15s
[INFO] running `Command { std: "docker" "inspect" "864c482dc1a3ba456d42d7877930f467a7e6e5253183d5e6650db23f335359d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864c482dc1a3ba456d42d7877930f467a7e6e5253183d5e6650db23f335359d5", kill_on_drop: false }`
[INFO] [stdout] 864c482dc1a3ba456d42d7877930f467a7e6e5253183d5e6650db23f335359d5