[INFO] fetching crate roulette-wheel 0.2.2...
[INFO] testing roulette-wheel-0.2.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate roulette-wheel 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate roulette-wheel 0.2.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 516a947de58f511ef999efb139db28adc327c8e2d1a0c9b40dcdb97ecc996ddf
[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" "516a947de58f511ef999efb139db28adc327c8e2d1a0c9b40dcdb97ecc996ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "516a947de58f511ef999efb139db28adc327c8e2d1a0c9b40dcdb97ecc996ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "516a947de58f511ef999efb139db28adc327c8e2d1a0c9b40dcdb97ecc996ddf", kill_on_drop: false }`
[INFO] [stdout] 516a947de58f511ef999efb139db28adc327c8e2d1a0c9b40dcdb97ecc996ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23130df2ae179938dc15b6df62d6e0570c1ac4f602b40d8aed87ce26c3dd1323
[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" "23130df2ae179938dc15b6df62d6e0570c1ac4f602b40d8aed87ce26c3dd1323", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "23130df2ae179938dc15b6df62d6e0570c1ac4f602b40d8aed87ce26c3dd1323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23130df2ae179938dc15b6df62d6e0570c1ac4f602b40d8aed87ce26c3dd1323", kill_on_drop: false }`
[INFO] [stdout] 23130df2ae179938dc15b6df62d6e0570c1ac4f602b40d8aed87ce26c3dd1323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6dba58985965288b341f5a04d84b4c6bf9f47d6fa5d05a85a3baab12000ec7
[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" "fb6dba58985965288b341f5a04d84b4c6bf9f47d6fa5d05a85a3baab12000ec7", kill_on_drop: false }`
[INFO] [stderr]    Compiling roulette-wheel v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "fb6dba58985965288b341f5a04d84b4c6bf9f47d6fa5d05a85a3baab12000ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6dba58985965288b341f5a04d84b4c6bf9f47d6fa5d05a85a3baab12000ec7", kill_on_drop: false }`
[INFO] [stdout] fb6dba58985965288b341f5a04d84b4c6bf9f47d6fa5d05a85a3baab12000ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9939dd11691425832cd5ba2d6416253f55de97a19eaf89b1da2723fb371fa438
[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" "9939dd11691425832cd5ba2d6416253f55de97a19eaf89b1da2723fb371fa438", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roulette_wheel-39391a20ffefbbd1
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests roulette-wheel
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_into_select_iter_seeded ... ok
[INFO] [stdout] test tests::test_select_iter_seeded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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>::with_capacity (line 92) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::clear (line 159) ... 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>::reserve (line 111) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::len (line 127) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::total_fitness (line 226) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::unchecked_push (line 206) ... ok
[INFO] [stdout] test src/lib.rs - RouletteWheel<T>::is_empty (line 141) ... 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; finished in 2.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9939dd11691425832cd5ba2d6416253f55de97a19eaf89b1da2723fb371fa438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9939dd11691425832cd5ba2d6416253f55de97a19eaf89b1da2723fb371fa438", kill_on_drop: false }`
[INFO] [stdout] 9939dd11691425832cd5ba2d6416253f55de97a19eaf89b1da2723fb371fa438