[INFO] fetching crate pico-streaming 0.3.1...
[INFO] testing pico-streaming-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate pico-streaming 0.3.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pico-streaming 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pico-streaming 0.3.1
[INFO] finished tweaking crates.io crate pico-streaming 0.3.1
[INFO] tweaked toml for crates.io crate pico-streaming 0.3.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c_vec v2.0.0
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded enum-iterator-derive v0.6.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] [stderr]   Downloaded enum-iterator v0.6.0
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded pico-driver v0.3.1
[INFO] [stderr]   Downloaded pico-device v0.3.1
[INFO] [stderr]   Downloaded pico-common v0.3.1
[INFO] [stderr]   Downloaded pico-sys-dynamic v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1084f0e0ba61894c63d6f504198a2cfc550b51b7f2bcabd746592863f5c4ae30
[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" "1084f0e0ba61894c63d6f504198a2cfc550b51b7f2bcabd746592863f5c4ae30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1084f0e0ba61894c63d6f504198a2cfc550b51b7f2bcabd746592863f5c4ae30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1084f0e0ba61894c63d6f504198a2cfc550b51b7f2bcabd746592863f5c4ae30", kill_on_drop: false }`
[INFO] [stdout] 1084f0e0ba61894c63d6f504198a2cfc550b51b7f2bcabd746592863f5c4ae30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] a28131b22cc5136b0e184cd2577815ee8d19353a082073f0c497b89dc4b5b574
[INFO] running `Command { std: "docker" "start" "-a" "a28131b22cc5136b0e184cd2577815ee8d19353a082073f0c497b89dc4b5b574", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling c_vec v2.0.0
[INFO] [stderr]    Compiling pico-sys-dynamic v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling enum-iterator v0.6.0
[INFO] [stderr]    Compiling pico-common v0.3.1
[INFO] [stderr]    Compiling pico-driver v0.3.1
[INFO] [stderr]    Compiling pico-device v0.3.1
[INFO] [stderr]    Compiling pico-streaming v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.15s
[INFO] running `Command { std: "docker" "inspect" "a28131b22cc5136b0e184cd2577815ee8d19353a082073f0c497b89dc4b5b574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28131b22cc5136b0e184cd2577815ee8d19353a082073f0c497b89dc4b5b574", kill_on_drop: false }`
[INFO] [stdout] a28131b22cc5136b0e184cd2577815ee8d19353a082073f0c497b89dc4b5b574
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e450891cd0db2da54209d098134c2c1218e849cf7b904e32c266230798191924
[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" "e450891cd0db2da54209d098134c2c1218e849cf7b904e32c266230798191924", kill_on_drop: false }`
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling mockall v0.9.1
[INFO] [stderr]    Compiling pico-streaming v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 27.39s
[INFO] running `Command { std: "docker" "inspect" "e450891cd0db2da54209d098134c2c1218e849cf7b904e32c266230798191924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e450891cd0db2da54209d098134c2c1218e849cf7b904e32c266230798191924", kill_on_drop: false }`
[INFO] [stdout] e450891cd0db2da54209d098134c2c1218e849cf7b904e32c266230798191924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feeadbcc8b7526a175586181e463482f986ea091e7c8ad997d30b1f9b4eb7be2
[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" "feeadbcc8b7526a175586181e463482f986ea091e7c8ad997d30b1f9b4eb7be2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pico_streaming-a7ab5f25df4d7f45)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/stream.rs (/opt/rustwide/target/debug/deps/stream-5e05b260965ffb1e)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests pico-streaming
[INFO] [stdout] test streaming_tests::clone_and_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "feeadbcc8b7526a175586181e463482f986ea091e7c8ad997d30b1f9b4eb7be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feeadbcc8b7526a175586181e463482f986ea091e7c8ad997d30b1f9b4eb7be2", kill_on_drop: false }`
[INFO] [stdout] feeadbcc8b7526a175586181e463482f986ea091e7c8ad997d30b1f9b4eb7be2