[INFO] fetching crate prost-build 0.7.0...
[INFO] checking prost-build-0.7.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate prost-build 0.7.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prost-build 0.7.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-build 0.7.0
[INFO] finished tweaking crates.io crate prost-build 0.7.0
[INFO] tweaked toml for crates.io crate prost-build 0.7.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] f39211ef8940094e6a6a720b41f50bd9c69c7743ccb8032d2d5d5b6581878ecf
[INFO] running `Command { std: "docker" "start" "-a" "f39211ef8940094e6a6a720b41f50bd9c69c7743ccb8032d2d5d5b6581878ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f39211ef8940094e6a6a720b41f50bd9c69c7743ccb8032d2d5d5b6581878ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39211ef8940094e6a6a720b41f50bd9c69c7743ccb8032d2d5d5b6581878ecf", kill_on_drop: false }`
[INFO] [stdout] f39211ef8940094e6a6a720b41f50bd9c69c7743ccb8032d2d5d5b6581878ecf
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] a11a0751f1674427cd5fd4b2785e8645f4699efdb8fce038a90eb6f2999aa77d
[INFO] running `Command { std: "docker" "start" "-a" "a11a0751f1674427cd5fd4b2785e8645f4699efdb8fce038a90eb6f2999aa77d", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling prost-build v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking prost-types v0.7.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `Command { std: "docker" "inspect" "a11a0751f1674427cd5fd4b2785e8645f4699efdb8fce038a90eb6f2999aa77d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11a0751f1674427cd5fd4b2785e8645f4699efdb8fce038a90eb6f2999aa77d", kill_on_drop: false }`
[INFO] [stdout] a11a0751f1674427cd5fd4b2785e8645f4699efdb8fce038a90eb6f2999aa77d