[INFO] fetching crate ultra-batch 0.1.1...
[INFO] testing ultra-batch-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ultra-batch 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ultra-batch 0.1.1 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 ultra-batch 0.1.1
[INFO] finished tweaking crates.io crate ultra-batch 0.1.1
[INFO] tweaked toml for crates.io crate ultra-batch 0.1.1 written to /workspace/builds/worker-3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplerand v1.2.0
[INFO] [stderr]   Downloaded fakeit v1.1.1
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6d95f35266bfaeeb6260c658eff732c3ccf3705d2fda0026247130a01b6552c
[INFO] running `Command { std: "docker" "start" "-a" "d6d95f35266bfaeeb6260c658eff732c3ccf3705d2fda0026247130a01b6552c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d95f35266bfaeeb6260c658eff732c3ccf3705d2fda0026247130a01b6552c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d95f35266bfaeeb6260c658eff732c3ccf3705d2fda0026247130a01b6552c", kill_on_drop: false }`
[INFO] [stdout] d6d95f35266bfaeeb6260c658eff732c3ccf3705d2fda0026247130a01b6552c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] f9ee1bb0211cc291d45005cc980b40fa784985c78cce80fe5d106d3bb5614056
[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" "f9ee1bb0211cc291d45005cc980b40fa784985c78cce80fe5d106d3bb5614056", kill_on_drop: false }`
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling ultra-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.64s
[INFO] running `Command { std: "docker" "inspect" "f9ee1bb0211cc291d45005cc980b40fa784985c78cce80fe5d106d3bb5614056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ee1bb0211cc291d45005cc980b40fa784985c78cce80fe5d106d3bb5614056", kill_on_drop: false }`
[INFO] [stdout] f9ee1bb0211cc291d45005cc980b40fa784985c78cce80fe5d106d3bb5614056
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 8486ebba87c603c289467e56bdcd89a9f0b044da37673e0bd8cb568dba1c44c2
[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" "8486ebba87c603c289467e56bdcd89a9f0b044da37673e0bd8cb568dba1c44c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplerand v1.2.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling fakeit v1.1.1
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling ultra-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.76s
[INFO] running `Command { std: "docker" "inspect" "8486ebba87c603c289467e56bdcd89a9f0b044da37673e0bd8cb568dba1c44c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8486ebba87c603c289467e56bdcd89a9f0b044da37673e0bd8cb568dba1c44c2", kill_on_drop: false }`
[INFO] [stdout] 8486ebba87c603c289467e56bdcd89a9f0b044da37673e0bd8cb568dba1c44c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 84a739c64e6e30474143e329cdb17933743504d476629d5696899c44bd49a8eb
[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" "84a739c64e6e30474143e329cdb17933743504d476629d5696899c44bd49a8eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ultra_batch-5f0252ebd1d635e1
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/batcher-64b4a65f81d2d9f0
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_insert_extra_keys ... ok
[INFO] [stdout] test test_keys_not_returned ... ok
[INFO] [stdout] test test_fetch_error_after_inserting ... ok
[INFO] [stdout] test test_fetch_error_before_inserting ... ok
[INFO] [stdout] test test_load_batching ... ok
[INFO] [stdout] test test_load_many_with_one_element ... ok
[INFO] [stdout] test test_load_many_ordering ... ok
[INFO] [stdout] test test_load ... ok
[INFO] [stdout] test test_load_eager_batch_size ... ok
[INFO] [stdout] test test_load_fetching ... ok
[INFO] [stdout] test test_load_caching ... ok
[INFO] [stdout] test test_batch_delay ... ok
[INFO] [stdout] test test_load_no_eager_batch_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concurrency-5ff1031ae6e90d79
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_concurrency_eight_threads ... ok
[INFO] [stdout] test test_concurrency_one_thread ... ok
[INFO] [stdout] test test_concurrency_basic_scheduler ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ultra-batch
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/fetcher.rs - fetcher::Fetcher (line 17) ... ok
[INFO] [stdout] test src/batcher.rs - batcher::Batcher<F>::new (line 69) ... ok
[INFO] [stdout] test src/batcher.rs - batcher::Batcher<F>::new (line 95) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84a739c64e6e30474143e329cdb17933743504d476629d5696899c44bd49a8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a739c64e6e30474143e329cdb17933743504d476629d5696899c44bd49a8eb", kill_on_drop: false }`
[INFO] [stdout] 84a739c64e6e30474143e329cdb17933743504d476629d5696899c44bd49a8eb