[INFO] fetching crate stream_generator 0.1.0...
[INFO] testing stream_generator-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate stream_generator 0.1.0 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate stream_generator 0.1.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stream_generator 0.1.0
[INFO] finished tweaking crates.io crate stream_generator 0.1.0
[INFO] tweaked toml for crates.io crate stream_generator 0.1.0 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9be527d132c4ff087a268de7293753e66ea8067de6a2e07a3aaf4b58b4df80e3
[INFO] running `Command { std: "docker" "start" "-a" "9be527d132c4ff087a268de7293753e66ea8067de6a2e07a3aaf4b58b4df80e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be527d132c4ff087a268de7293753e66ea8067de6a2e07a3aaf4b58b4df80e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be527d132c4ff087a268de7293753e66ea8067de6a2e07a3aaf4b58b4df80e3", kill_on_drop: false }`
[INFO] [stdout] 9be527d132c4ff087a268de7293753e66ea8067de6a2e07a3aaf4b58b4df80e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363ffaa961a685400e0a9dda73987c3b5fecdf0944f8a94a5512c2c119230880
[INFO] running `Command { std: "docker" "start" "-a" "363ffaa961a685400e0a9dda73987c3b5fecdf0944f8a94a5512c2c119230880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "363ffaa961a685400e0a9dda73987c3b5fecdf0944f8a94a5512c2c119230880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363ffaa961a685400e0a9dda73987c3b5fecdf0944f8a94a5512c2c119230880", kill_on_drop: false }`
[INFO] [stdout] 363ffaa961a685400e0a9dda73987c3b5fecdf0944f8a94a5512c2c119230880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16c5e767a7e607340fc0a0cf94e9b850a055c5fb64f3b3223c1c954dbb15f8f
[INFO] running `Command { std: "docker" "start" "-a" "a16c5e767a7e607340fc0a0cf94e9b850a055c5fb64f3b3223c1c954dbb15f8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.34s
[INFO] running `Command { std: "docker" "inspect" "a16c5e767a7e607340fc0a0cf94e9b850a055c5fb64f3b3223c1c954dbb15f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16c5e767a7e607340fc0a0cf94e9b850a055c5fb64f3b3223c1c954dbb15f8f", kill_on_drop: false }`
[INFO] [stdout] a16c5e767a7e607340fc0a0cf94e9b850a055c5fb64f3b3223c1c954dbb15f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fcd385d2d898884fb63b0ea58d30c43f73be7af0028964f46e989ceab00e1922
[INFO] running `Command { std: "docker" "start" "-a" "fcd385d2d898884fb63b0ea58d30c43f73be7af0028964f46e989ceab00e1922", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_generator-390e6f47a10473f3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::borrow_self ... ok
[INFO] [stdout] test tests::backpressure ... ok
[INFO] [stdout] test tests::convert_err ... ok
[INFO] [stdout] test tests::consume_channel ... ok
[INFO] [stdout] test tests::empty_stream ... ok
[INFO] [stdout] test tests::multi_try ... ok
[INFO] [stdout] test tests::return_stream ... ok
[INFO] [stdout] test tests::yield_multi_value ... ok
[INFO] [stdout] test tests::noop_stream ... ok
[INFO] [stdout] test tests::stream_in_stream ... ok
[INFO] [stdout] test tests::yield_single_value ... ok
[INFO] [stdout] test tests::single_err ... ok
[INFO] [stdout] test tests::yield_then_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - generate_stream (line 34) ... ok
[INFO] [stdout] test src/lib.rs - generate_try_stream (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fcd385d2d898884fb63b0ea58d30c43f73be7af0028964f46e989ceab00e1922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd385d2d898884fb63b0ea58d30c43f73be7af0028964f46e989ceab00e1922", kill_on_drop: false }`
[INFO] [stdout] fcd385d2d898884fb63b0ea58d30c43f73be7af0028964f46e989ceab00e1922