[INFO] fetching crate roulette-wheel 0.2.2...
[INFO] testing roulette-wheel-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate roulette-wheel 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate roulette-wheel 0.2.2 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 roulette-wheel 0.2.2
[INFO] finished tweaking crates.io crate roulette-wheel 0.2.2
[INFO] tweaked toml for crates.io crate roulette-wheel 0.2.2 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02a973c7afd16bee6fd75a640174065ed57dd7814cabf531e4f3c8a6452ef32c
[INFO] running `Command { std: "docker" "start" "-a" "02a973c7afd16bee6fd75a640174065ed57dd7814cabf531e4f3c8a6452ef32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a973c7afd16bee6fd75a640174065ed57dd7814cabf531e4f3c8a6452ef32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a973c7afd16bee6fd75a640174065ed57dd7814cabf531e4f3c8a6452ef32c", kill_on_drop: false }`
[INFO] [stdout] 02a973c7afd16bee6fd75a640174065ed57dd7814cabf531e4f3c8a6452ef32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0224cf15cfc96fcd03d4ed6a3116a2b0e968cf731053eb77d55398fd16aed176
[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" "0224cf15cfc96fcd03d4ed6a3116a2b0e968cf731053eb77d55398fd16aed176", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "0224cf15cfc96fcd03d4ed6a3116a2b0e968cf731053eb77d55398fd16aed176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0224cf15cfc96fcd03d4ed6a3116a2b0e968cf731053eb77d55398fd16aed176", kill_on_drop: false }`
[INFO] [stdout] 0224cf15cfc96fcd03d4ed6a3116a2b0e968cf731053eb77d55398fd16aed176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c8a356b683b8cb51bd1b45caefe6b2c4bd53e378f78acdbc8de9abd0cf3b96c2
[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" "c8a356b683b8cb51bd1b45caefe6b2c4bd53e378f78acdbc8de9abd0cf3b96c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "c8a356b683b8cb51bd1b45caefe6b2c4bd53e378f78acdbc8de9abd0cf3b96c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a356b683b8cb51bd1b45caefe6b2c4bd53e378f78acdbc8de9abd0cf3b96c2", kill_on_drop: false }`
[INFO] [stdout] c8a356b683b8cb51bd1b45caefe6b2c4bd53e378f78acdbc8de9abd0cf3b96c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 475fc9c33da991eb04b4177250f4e4aff1ab62c0a563cd18bb69901098b130d8
[INFO] running `Command { std: "docker" "start" "-a" "475fc9c33da991eb04b4177250f4e4aff1ab62c0a563cd18bb69901098b130d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roulette_wheel-bb51fc158659d7cb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_select_iter_seeded ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_into_select_iter_seeded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roulette-wheel
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::select_iter (line 245) ... ignored
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::total_fitness (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::new (line 76) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::push (line 184) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::is_empty (line 141) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::with_capacity (line 92) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::unchecked_push (line 206) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::len (line 127) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::reserve (line 111) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::clear (line 159) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "475fc9c33da991eb04b4177250f4e4aff1ab62c0a563cd18bb69901098b130d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475fc9c33da991eb04b4177250f4e4aff1ab62c0a563cd18bb69901098b130d8", kill_on_drop: false }`
[INFO] [stdout] 475fc9c33da991eb04b4177250f4e4aff1ab62c0a563cd18bb69901098b130d8