[INFO] fetching crate ip-range 0.0.0...
[INFO] testing ip-range-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ip-range 0.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ip-range 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ip-range 0.0.0
[INFO] finished tweaking crates.io crate ip-range 0.0.0
[INFO] tweaked toml for crates.io crate ip-range 0.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 5f746aa909894c8a4473b55fbb2a7bcd7130468a5c073b0e93b703a83a6ba7a7
[INFO] running `Command { std: "docker" "start" "-a" "5f746aa909894c8a4473b55fbb2a7bcd7130468a5c073b0e93b703a83a6ba7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f746aa909894c8a4473b55fbb2a7bcd7130468a5c073b0e93b703a83a6ba7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f746aa909894c8a4473b55fbb2a7bcd7130468a5c073b0e93b703a83a6ba7a7", kill_on_drop: false }`
[INFO] [stdout] 5f746aa909894c8a4473b55fbb2a7bcd7130468a5c073b0e93b703a83a6ba7a7
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1083cad025698e55298e6902680d5eb159b1b1f85d14eb58c6035c0747cdce5
[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" "e1083cad025698e55298e6902680d5eb159b1b1f85d14eb58c6035c0747cdce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip-range v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e1083cad025698e55298e6902680d5eb159b1b1f85d14eb58c6035c0747cdce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1083cad025698e55298e6902680d5eb159b1b1f85d14eb58c6035c0747cdce5", kill_on_drop: false }`
[INFO] [stdout] e1083cad025698e55298e6902680d5eb159b1b1f85d14eb58c6035c0747cdce5
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c5226de94396c0e32f4e22f84cff4017b6df60453a4e30e524ca4d3b211f05
[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" "45c5226de94396c0e32f4e22f84cff4017b6df60453a4e30e524ca4d3b211f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling ip-range v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "45c5226de94396c0e32f4e22f84cff4017b6df60453a4e30e524ca4d3b211f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c5226de94396c0e32f4e22f84cff4017b6df60453a4e30e524ca4d3b211f05", kill_on_drop: false }`
[INFO] [stdout] 45c5226de94396c0e32f4e22f84cff4017b6df60453a4e30e524ca4d3b211f05
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f74d83bb6f98d0109f7b91fcea04e7159ad4d64ad1354abdfd8d4362fea4fdc
[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" "8f74d83bb6f98d0109f7b91fcea04e7159ad4d64ad1354abdfd8d4362fea4fdc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ip_range-276094bfa6900dde
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ip-range
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f74d83bb6f98d0109f7b91fcea04e7159ad4d64ad1354abdfd8d4362fea4fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f74d83bb6f98d0109f7b91fcea04e7159ad4d64ad1354abdfd8d4362fea4fdc", kill_on_drop: false }`
[INFO] [stdout] 8f74d83bb6f98d0109f7b91fcea04e7159ad4d64ad1354abdfd8d4362fea4fdc