[INFO] fetching crate ultra-batch 0.1.1...
[INFO] testing ultra-batch-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ultra-batch 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ultra-batch 0.1.1 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 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-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 982b0f68089904d117e4fe1d9b29ef070dcd2278fd60b78f3cfff4eadd1c62b6
[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" "982b0f68089904d117e4fe1d9b29ef070dcd2278fd60b78f3cfff4eadd1c62b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "982b0f68089904d117e4fe1d9b29ef070dcd2278fd60b78f3cfff4eadd1c62b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "982b0f68089904d117e4fe1d9b29ef070dcd2278fd60b78f3cfff4eadd1c62b6", kill_on_drop: false }`
[INFO] [stdout] 982b0f68089904d117e4fe1d9b29ef070dcd2278fd60b78f3cfff4eadd1c62b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 98e3e5bbe8c935efca656e16398e2b04bc2ba7b60bae560402428b88c7e673df
[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" "98e3e5bbe8c935efca656e16398e2b04bc2ba7b60bae560402428b88c7e673df", kill_on_drop: false }`
[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 16.23s
[INFO] running `Command { std: "docker" "inspect" "98e3e5bbe8c935efca656e16398e2b04bc2ba7b60bae560402428b88c7e673df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e3e5bbe8c935efca656e16398e2b04bc2ba7b60bae560402428b88c7e673df", kill_on_drop: false }`
[INFO] [stdout] 98e3e5bbe8c935efca656e16398e2b04bc2ba7b60bae560402428b88c7e673df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c593b574d989172f02ed87590bf112a254474c0ddd64efdeec12cc223a539412
[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" "c593b574d989172f02ed87590bf112a254474c0ddd64efdeec12cc223a539412", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplerand v1.2.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling fakeit v1.1.1
[INFO] [stderr]    Compiling ultra-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.06s
[INFO] running `Command { std: "docker" "inspect" "c593b574d989172f02ed87590bf112a254474c0ddd64efdeec12cc223a539412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c593b574d989172f02ed87590bf112a254474c0ddd64efdeec12cc223a539412", kill_on_drop: false }`
[INFO] [stdout] c593b574d989172f02ed87590bf112a254474c0ddd64efdeec12cc223a539412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b8c343fc7f7dbed58a95baada49eeca47e3ac9b92b33e175be454bb4cd5b63a8
[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" "b8c343fc7f7dbed58a95baada49eeca47e3ac9b92b33e175be454bb4cd5b63a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ultra_batch-f3896379da2300df
[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] [stderr]      Running /opt/rustwide/target/debug/deps/batcher-8eb7523f34adaf84
[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 ... ok
[INFO] [stdout] test test_load_eager_batch_size ... ok
[INFO] [stdout] test test_load_many_with_one_element ... ok
[INFO] [stdout] test test_load_many_ordering ... ok
[INFO] [stdout] test test_load_caching ... ok
[INFO] [stdout] test test_load_batching ... ok
[INFO] [stdout] test test_load_fetching ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/concurrency-4c1ff643a7484698
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_concurrency_eight_threads ... ok
[INFO] [stdout] test test_concurrency_basic_scheduler ... ok
[INFO] [stdout] test test_concurrency_one_thread ... 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 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 95) ... ok
[INFO] [stdout] test src/batcher.rs - batcher::Batcher<F>::new (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8c343fc7f7dbed58a95baada49eeca47e3ac9b92b33e175be454bb4cd5b63a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c343fc7f7dbed58a95baada49eeca47e3ac9b92b33e175be454bb4cd5b63a8", kill_on_drop: false }`
[INFO] [stdout] b8c343fc7f7dbed58a95baada49eeca47e3ac9b92b33e175be454bb4cd5b63a8