[INFO] fetching crate nyar_prebuild 1.0.0...
[INFO] checking nyar_prebuild-1.0.0 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate nyar_prebuild 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nyar_prebuild 1.0.0 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nyar_prebuild 1.0.0
[INFO] finished tweaking crates.io crate nyar_prebuild 1.0.0
[INFO] tweaked toml for crates.io crate nyar_prebuild 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nyar_prebuild 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d8fe4e30aaad89dc6708d39872f35acd188ef7ba116bb190b100dda48d1aa2
[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" "b7d8fe4e30aaad89dc6708d39872f35acd188ef7ba116bb190b100dda48d1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d8fe4e30aaad89dc6708d39872f35acd188ef7ba116bb190b100dda48d1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d8fe4e30aaad89dc6708d39872f35acd188ef7ba116bb190b100dda48d1aa2", kill_on_drop: false }`
[INFO] [stdout] b7d8fe4e30aaad89dc6708d39872f35acd188ef7ba116bb190b100dda48d1aa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff9853717d3d9337a59daa52d74940125ea0b9d4df02c55be47e3b99b1c4731
[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" "3ff9853717d3d9337a59daa52d74940125ea0b9d4df02c55be47e3b99b1c4731", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking pest v2.1.2
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking pest_meta v2.1.2
[INFO] [stderr]     Checking pest_generator v2.1.1
[INFO] [stderr]     Checking nyar_prebuild v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "3ff9853717d3d9337a59daa52d74940125ea0b9d4df02c55be47e3b99b1c4731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff9853717d3d9337a59daa52d74940125ea0b9d4df02c55be47e3b99b1c4731", kill_on_drop: false }`
[INFO] [stdout] 3ff9853717d3d9337a59daa52d74940125ea0b9d4df02c55be47e3b99b1c4731