[INFO] fetching crate ultra-batch 0.1.1...
[INFO] testing ultra-batch-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ultra-batch 0.1.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ultra-batch 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa641f94522074237c170ddb7acedcb6238deef6f2c9d7470b38e7a8b53feeaf
[INFO] running `Command { std: "docker" "start" "-a" "fa641f94522074237c170ddb7acedcb6238deef6f2c9d7470b38e7a8b53feeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa641f94522074237c170ddb7acedcb6238deef6f2c9d7470b38e7a8b53feeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa641f94522074237c170ddb7acedcb6238deef6f2c9d7470b38e7a8b53feeaf", kill_on_drop: false }`
[INFO] [stdout] fa641f94522074237c170ddb7acedcb6238deef6f2c9d7470b38e7a8b53feeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb604bde67f22d6d8fcaa5c82e9a303056c01b3ecda5aa118b152cbf133dc8e
[INFO] running `Command { std: "docker" "start" "-a" "2fb604bde67f22d6d8fcaa5c82e9a303056c01b3ecda5aa118b152cbf133dc8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling ultra-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.53s
[INFO] running `Command { std: "docker" "inspect" "2fb604bde67f22d6d8fcaa5c82e9a303056c01b3ecda5aa118b152cbf133dc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb604bde67f22d6d8fcaa5c82e9a303056c01b3ecda5aa118b152cbf133dc8e", kill_on_drop: false }`
[INFO] [stdout] 2fb604bde67f22d6d8fcaa5c82e9a303056c01b3ecda5aa118b152cbf133dc8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ad4cd3586e3a82d10c2eb69cb576f4d8a37bae3e2a313aeb5764c7d489f828
[INFO] running `Command { std: "docker" "start" "-a" "42ad4cd3586e3a82d10c2eb69cb576f4d8a37bae3e2a313aeb5764c7d489f828", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling simplerand v1.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libmath v0.2.1
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling fakeit v1.1.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling ultra-batch v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 28.91s
[INFO] running `Command { std: "docker" "inspect" "42ad4cd3586e3a82d10c2eb69cb576f4d8a37bae3e2a313aeb5764c7d489f828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ad4cd3586e3a82d10c2eb69cb576f4d8a37bae3e2a313aeb5764c7d489f828", kill_on_drop: false }`
[INFO] [stdout] 42ad4cd3586e3a82d10c2eb69cb576f4d8a37bae3e2a313aeb5764c7d489f828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9404ff66df4d3ad03c8d5b0d1db14c309fc841d1b46f700a6fd5cb77daff0f17
[INFO] running `Command { std: "docker" "start" "-a" "9404ff66df4d3ad03c8d5b0d1db14c309fc841d1b46f700a6fd5cb77daff0f17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ultra_batch-47345386396f5f0d)
[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 tests/batcher.rs (/opt/rustwide/target/debug/deps/batcher-089040ea0f94071b)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test_keys_not_returned ... ok
[INFO] [stdout] test test_insert_extra_keys ... ok
[INFO] [stdout] test test_fetch_error_after_inserting ... ok
[INFO] [stdout] test test_fetch_error_before_inserting ... ok
[INFO] [stdout] test test_load_many_with_one_element ... ok
[INFO] [stdout] test test_load ... ok
[INFO] [stdout] test test_load_many_ordering ... ok
[INFO] [stdout] test test_load_caching ... ok
[INFO] [stdout] test test_load_eager_batch_size ... 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; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/concurrency.rs (/opt/rustwide/target/debug/deps/concurrency-3b4e57e0464913c7)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_concurrency_one_thread ... ok
[INFO] [stdout] test test_concurrency_basic_scheduler ... ok
[INFO] [stdout] test test_concurrency_eight_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s
[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 3.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9404ff66df4d3ad03c8d5b0d1db14c309fc841d1b46f700a6fd5cb77daff0f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9404ff66df4d3ad03c8d5b0d1db14c309fc841d1b46f700a6fd5cb77daff0f17", kill_on_drop: false }`
[INFO] [stdout] 9404ff66df4d3ad03c8d5b0d1db14c309fc841d1b46f700a6fd5cb77daff0f17