[INFO] fetching crate ipext 0.1.0...
[INFO] testing ipext-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ipext 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ipext 0.1.0 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 ipext 0.1.0
[INFO] finished tweaking crates.io crate ipext 0.1.0
[INFO] tweaked toml for crates.io crate ipext 0.1.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2d67788ff9656c345dca3c4c995ca6541e1e8d3b72b604d62ac26afa740b2775
[INFO] running `Command { std: "docker" "start" "-a" "2d67788ff9656c345dca3c4c995ca6541e1e8d3b72b604d62ac26afa740b2775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d67788ff9656c345dca3c4c995ca6541e1e8d3b72b604d62ac26afa740b2775", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d67788ff9656c345dca3c4c995ca6541e1e8d3b72b604d62ac26afa740b2775", kill_on_drop: false }`
[INFO] [stdout] 2d67788ff9656c345dca3c4c995ca6541e1e8d3b72b604d62ac26afa740b2775
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ec300bcdf3e27bc9f2babc7b0a60d38ab44cae148e3e66a045f32a184b4c5bb8
[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" "ec300bcdf3e27bc9f2babc7b0a60d38ab44cae148e3e66a045f32a184b4c5bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ec300bcdf3e27bc9f2babc7b0a60d38ab44cae148e3e66a045f32a184b4c5bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec300bcdf3e27bc9f2babc7b0a60d38ab44cae148e3e66a045f32a184b4c5bb8", kill_on_drop: false }`
[INFO] [stdout] ec300bcdf3e27bc9f2babc7b0a60d38ab44cae148e3e66a045f32a184b4c5bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbcca7895e71af99e984a6007ea6dcc404e4c2a88cd9230dd75b6e1eb4ba7553
[INFO] running `Command { std: "docker" "start" "-a" "bbcca7895e71af99e984a6007ea6dcc404e4c2a88cd9230dd75b6e1eb4ba7553", kill_on_drop: false }`
[INFO] [stderr]    Compiling ipext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "bbcca7895e71af99e984a6007ea6dcc404e4c2a88cd9230dd75b6e1eb4ba7553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbcca7895e71af99e984a6007ea6dcc404e4c2a88cd9230dd75b6e1eb4ba7553", kill_on_drop: false }`
[INFO] [stdout] bbcca7895e71af99e984a6007ea6dcc404e4c2a88cd9230dd75b6e1eb4ba7553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 092ed5f980194646ea936e31699b67e5e50284186437dac583a679d3dda2e2f6
[INFO] running `Command { std: "docker" "start" "-a" "092ed5f980194646ea936e31699b67e5e50284186437dac583a679d3dda2e2f6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ipext-bf4febfb12ffac5c
[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] [stderr]    Doc-tests ipext
[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" "092ed5f980194646ea936e31699b67e5e50284186437dac583a679d3dda2e2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092ed5f980194646ea936e31699b67e5e50284186437dac583a679d3dda2e2f6", kill_on_drop: false }`
[INFO] [stdout] 092ed5f980194646ea936e31699b67e5e50284186437dac583a679d3dda2e2f6