[INFO] fetching crate grin_servers 4.1.0...
[INFO] checking grin_servers-4.1.0 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate grin_servers 4.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate grin_servers 4.1.0 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_servers 4.1.0
[INFO] finished tweaking crates.io crate grin_servers 4.1.0
[INFO] tweaked toml for crates.io crate grin_servers 4.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7382927bb72354a8d953861e3fcfb1a838ec3315bd8d6a76646f79ad2e79aea6
[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" "7382927bb72354a8d953861e3fcfb1a838ec3315bd8d6a76646f79ad2e79aea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7382927bb72354a8d953861e3fcfb1a838ec3315bd8d6a76646f79ad2e79aea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7382927bb72354a8d953861e3fcfb1a838ec3315bd8d6a76646f79ad2e79aea6", kill_on_drop: false }`
[INFO] [stdout] 7382927bb72354a8d953861e3fcfb1a838ec3315bd8d6a76646f79ad2e79aea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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] f4eb624f29c80a457f425e2ef05824d287ba9a0a8ccc1f33a03157a86f04a7d7
[INFO] running `Command { std: "docker" "start" "-a" "f4eb624f29c80a457f425e2ef05824d287ba9a0a8ccc1f33a03157a86f04a7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking croaring-mw v0.4.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking grin_util v4.1.0
[INFO] [stderr]     Checking grin_keychain v4.1.0
[INFO] [stderr]     Checking grin_core v4.1.0
[INFO] [stderr]     Checking grin_store v4.1.0
[INFO] [stderr]     Checking grin_pool v4.1.0
[INFO] [stderr]     Checking grin_chain v4.1.0
[INFO] [stderr]     Checking grin_p2p v4.1.0
[INFO] [stderr]     Checking grin_api v4.1.0
[INFO] [stderr]     Checking grin_servers v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.19s
[INFO] running `Command { std: "docker" "inspect" "f4eb624f29c80a457f425e2ef05824d287ba9a0a8ccc1f33a03157a86f04a7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4eb624f29c80a457f425e2ef05824d287ba9a0a8ccc1f33a03157a86f04a7d7", kill_on_drop: false }`
[INFO] [stdout] f4eb624f29c80a457f425e2ef05824d287ba9a0a8ccc1f33a03157a86f04a7d7