[INFO] crate hot-ranking-algorithm 2.0.0 is already in cache
[INFO] testing hot-ranking-algorithm-2.0.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate hot-ranking-algorithm 2.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hot-ranking-algorithm 2.0.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hot-ranking-algorithm 2.0.0
[INFO] finished tweaking crates.io crate hot-ranking-algorithm 2.0.0
[INFO] tweaked toml for crates.io crate hot-ranking-algorithm 2.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c0ab15a20fb3a8cd85134cb81b3dcc011fe40707c7effd68fedcab8acae1a259
[INFO] running `Command { std: "docker" "start" "-a" "c0ab15a20fb3a8cd85134cb81b3dcc011fe40707c7effd68fedcab8acae1a259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ab15a20fb3a8cd85134cb81b3dcc011fe40707c7effd68fedcab8acae1a259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ab15a20fb3a8cd85134cb81b3dcc011fe40707c7effd68fedcab8acae1a259", kill_on_drop: false }`
[INFO] [stdout] c0ab15a20fb3a8cd85134cb81b3dcc011fe40707c7effd68fedcab8acae1a259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99435b5af888bc696531aa4d8e15bdfb46d42987f42d09ff468a729aa9d3518
[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" "a99435b5af888bc696531aa4d8e15bdfb46d42987f42d09ff468a729aa9d3518", kill_on_drop: false }`
[INFO] [stderr]    Compiling hot-ranking-algorithm v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "a99435b5af888bc696531aa4d8e15bdfb46d42987f42d09ff468a729aa9d3518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99435b5af888bc696531aa4d8e15bdfb46d42987f42d09ff468a729aa9d3518", kill_on_drop: false }`
[INFO] [stdout] a99435b5af888bc696531aa4d8e15bdfb46d42987f42d09ff468a729aa9d3518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc9fa7977c95e5b8c28766718c06e16d87ccdcc03871a2bd7fe4ce25ccff372
[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" "6cc9fa7977c95e5b8c28766718c06e16d87ccdcc03871a2bd7fe4ce25ccff372", kill_on_drop: false }`
[INFO] [stderr]    Compiling hot-ranking-algorithm v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "6cc9fa7977c95e5b8c28766718c06e16d87ccdcc03871a2bd7fe4ce25ccff372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc9fa7977c95e5b8c28766718c06e16d87ccdcc03871a2bd7fe4ce25ccff372", kill_on_drop: false }`
[INFO] [stdout] 6cc9fa7977c95e5b8c28766718c06e16d87ccdcc03871a2bd7fe4ce25ccff372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be11d505737e3c8c340f435ec8eb5ea446514325d476344e078fb0278d4173e1
[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" "be11d505737e3c8c340f435ec8eb5ea446514325d476344e078fb0278d4173e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hot_ranking_algorithm-0a62d31d0f45db51
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests hot-ranking-algorithm
[INFO] [stdout] test tests::twenty_upvotes_zero_downvotes ... ok
[INFO] [stdout] test tests::one_upvote_twenty_downvotes ... ok
[INFO] [stdout] test tests::one_upvote_one_downvote ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "be11d505737e3c8c340f435ec8eb5ea446514325d476344e078fb0278d4173e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be11d505737e3c8c340f435ec8eb5ea446514325d476344e078fb0278d4173e1", kill_on_drop: false }`
[INFO] [stdout] be11d505737e3c8c340f435ec8eb5ea446514325d476344e078fb0278d4173e1