[INFO] fetching crate topq 0.2.0...
[INFO] testing topq-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate topq 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate topq 0.2.0 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 topq 0.2.0
[INFO] finished tweaking crates.io crate topq 0.2.0
[INFO] tweaked toml for crates.io crate topq 0.2.0 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32fb8434d85391ae139c8533f7d975bf448248ca4560b24412de0cde5d534c2f
[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" "32fb8434d85391ae139c8533f7d975bf448248ca4560b24412de0cde5d534c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32fb8434d85391ae139c8533f7d975bf448248ca4560b24412de0cde5d534c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fb8434d85391ae139c8533f7d975bf448248ca4560b24412de0cde5d534c2f", kill_on_drop: false }`
[INFO] [stdout] 32fb8434d85391ae139c8533f7d975bf448248ca4560b24412de0cde5d534c2f
[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] db0fc0f459bbf4e06981c8294571e093f34e0eb383b6b9243354dac6cca4596b
[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" "db0fc0f459bbf4e06981c8294571e093f34e0eb383b6b9243354dac6cca4596b", kill_on_drop: false }`
[INFO] [stderr]    Compiling topq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "db0fc0f459bbf4e06981c8294571e093f34e0eb383b6b9243354dac6cca4596b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0fc0f459bbf4e06981c8294571e093f34e0eb383b6b9243354dac6cca4596b", kill_on_drop: false }`
[INFO] [stdout] db0fc0f459bbf4e06981c8294571e093f34e0eb383b6b9243354dac6cca4596b
[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] c4d769ff4f230b1235cbdb6c0a93ec0d0c3bfd38b18c737984b2559ece5e72cf
[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" "c4d769ff4f230b1235cbdb6c0a93ec0d0c3bfd38b18c737984b2559ece5e72cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling topq v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "c4d769ff4f230b1235cbdb6c0a93ec0d0c3bfd38b18c737984b2559ece5e72cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d769ff4f230b1235cbdb6c0a93ec0d0c3bfd38b18c737984b2559ece5e72cf", kill_on_drop: false }`
[INFO] [stdout] c4d769ff4f230b1235cbdb6c0a93ec0d0c3bfd38b18c737984b2559ece5e72cf
[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] c86801522dbbeb747afb39118c8c7c25392889f5197ccd1807c3a6e92be183d5
[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" "c86801522dbbeb747afb39118c8c7c25392889f5197ccd1807c3a6e92be183d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/topq-4b98289b314a65fb
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::enum_prio ... ok
[INFO] [stdout] test test::rollover ... ok
[INFO] [stdout] test test::expiry ... ok
[INFO] [stderr]    Doc-tests topq
[INFO] [stdout] test test::out_of_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "c86801522dbbeb747afb39118c8c7c25392889f5197ccd1807c3a6e92be183d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86801522dbbeb747afb39118c8c7c25392889f5197ccd1807c3a6e92be183d5", kill_on_drop: false }`
[INFO] [stdout] c86801522dbbeb747afb39118c8c7c25392889f5197ccd1807c3a6e92be183d5