[INFO] fetching crate rweb-testing 0.1.0...
[INFO] testing rweb-testing-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rweb-testing 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rweb-testing 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 rweb-testing 0.1.0
[INFO] finished tweaking crates.io crate rweb-testing 0.1.0
[INFO] tweaked toml for crates.io crate rweb-testing 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] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f76ba93c7329711f4c27a510276e258d6a7f807337751670b5494adb32af3a6
[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" "0f76ba93c7329711f4c27a510276e258d6a7f807337751670b5494adb32af3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f76ba93c7329711f4c27a510276e258d6a7f807337751670b5494adb32af3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f76ba93c7329711f4c27a510276e258d6a7f807337751670b5494adb32af3a6", kill_on_drop: false }`
[INFO] [stdout] 0f76ba93c7329711f4c27a510276e258d6a7f807337751670b5494adb32af3a6
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c56e4b1bd762b1c0d039abfd46a0e937a5e63dafa2c064113c37ddd9f667c9b
[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" "6c56e4b1bd762b1c0d039abfd46a0e937a5e63dafa2c064113c37ddd9f667c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling rweb-testing-macros v0.1.0
[INFO] [stderr]    Compiling rweb-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "6c56e4b1bd762b1c0d039abfd46a0e937a5e63dafa2c064113c37ddd9f667c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c56e4b1bd762b1c0d039abfd46a0e937a5e63dafa2c064113c37ddd9f667c9b", kill_on_drop: false }`
[INFO] [stdout] 6c56e4b1bd762b1c0d039abfd46a0e937a5e63dafa2c064113c37ddd9f667c9b
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22ebf3f3a2b3d2eab8d190a06dfd8a7590c1829a503ad8ad5987218c6b6658f
[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" "a22ebf3f3a2b3d2eab8d190a06dfd8a7590c1829a503ad8ad5987218c6b6658f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rweb-testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "a22ebf3f3a2b3d2eab8d190a06dfd8a7590c1829a503ad8ad5987218c6b6658f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22ebf3f3a2b3d2eab8d190a06dfd8a7590c1829a503ad8ad5987218c6b6658f", kill_on_drop: false }`
[INFO] [stdout] a22ebf3f3a2b3d2eab8d190a06dfd8a7590c1829a503ad8ad5987218c6b6658f
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5392856f2cd332350d096f89ce9a81d089d1f2e933675c09532cd44d5704c754
[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" "5392856f2cd332350d096f89ce9a81d089d1f2e933675c09532cd44d5704c754", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rweb_testing-71537684092c9ef8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rweb-testing
[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" "5392856f2cd332350d096f89ce9a81d089d1f2e933675c09532cd44d5704c754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5392856f2cd332350d096f89ce9a81d089d1f2e933675c09532cd44d5704c754", kill_on_drop: false }`
[INFO] [stdout] 5392856f2cd332350d096f89ce9a81d089d1f2e933675c09532cd44d5704c754