[INFO] crate async-compression 0.1.0-alpha.1 is already in cache
[INFO] extracting crate async-compression 0.1.0-alpha.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/async-compression/0.1.0-alpha.1
[INFO] extracting crate async-compression 0.1.0-alpha.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-compression/0.1.0-alpha.1
[INFO] validating manifest of async-compression-0.1.0-alpha.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of async-compression-0.1.0-alpha.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing async-compression-0.1.0-alpha.1
[INFO] finished frobbing async-compression-0.1.0-alpha.1
[INFO] frobbed toml for async-compression-0.1.0-alpha.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/async-compression/0.1.0-alpha.1/Cargo.toml
[INFO] started frobbing async-compression-0.1.0-alpha.1
[INFO] finished frobbing async-compression-0.1.0-alpha.1
[INFO] frobbed toml for async-compression-0.1.0-alpha.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/async-compression/0.1.0-alpha.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing async-compression-0.1.0-alpha.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/async-compression/0.1.0-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 57876427efd230fa9ee98c18e9d0dcc1b2208f0c5dfbf5bbc56ba064de99a8c7
[INFO] running `"docker" "start" "-a" "57876427efd230fa9ee98c18e9d0dcc1b2208f0c5dfbf5bbc56ba064de99a8c7"`
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling zstd-sys v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling pin-project v0.3.5
[INFO] [stderr]    Compiling zstd-safe v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling zstd v0.4.28+zstd.1.4.3
[INFO] [stderr]    Compiling async-compression v0.1.0-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.37s
[INFO] running `"docker" "inspect" "57876427efd230fa9ee98c18e9d0dcc1b2208f0c5dfbf5bbc56ba064de99a8c7"`
[INFO] running `"docker" "rm" "-f" "57876427efd230fa9ee98c18e9d0dcc1b2208f0c5dfbf5bbc56ba064de99a8c7"`
[INFO] [stdout] 57876427efd230fa9ee98c18e9d0dcc1b2208f0c5dfbf5bbc56ba064de99a8c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/async-compression/0.1.0-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 08c6cb6fb7f6b6a9d0d7160545c102ed597550ed00ad8ad4b581c07422e673da
[INFO] running `"docker" "start" "-a" "08c6cb6fb7f6b6a9d0d7160545c102ed597550ed00ad8ad4b581c07422e673da"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-test-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling proptest-derive v0.1.2
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling async-compression v0.1.0-alpha.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.65s
[INFO] running `"docker" "inspect" "08c6cb6fb7f6b6a9d0d7160545c102ed597550ed00ad8ad4b581c07422e673da"`
[INFO] running `"docker" "rm" "-f" "08c6cb6fb7f6b6a9d0d7160545c102ed597550ed00ad8ad4b581c07422e673da"`
[INFO] [stdout] 08c6cb6fb7f6b6a9d0d7160545c102ed597550ed00ad8ad4b581c07422e673da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/async-compression/0.1.0-alpha.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 6844c4a38f977ae415f95299ca1c47949b16310954c12450ce818357f99e620c
[INFO] running `"docker" "start" "-a" "6844c4a38f977ae415f95299ca1c47949b16310954c12450ce818357f99e620c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_compression-c2dd7705b45cf4f4
[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/crater/target/debug/deps/brotli-64f88e14fc293265
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test brotli_stream_compress ... ok
[INFO] [stdout] test brotli_stream_decompress ... ok
[INFO] [stdout] test brotli_stream_compress_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/deflate-128a3a548a344e7f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test deflate_stream_compress ... ok
[INFO] [stdout] test deflate_bufread_compress ... ok
[INFO] [stdout] test deflate_stream_decompress ... ok
[INFO] [stdout] test deflate_stream_compress_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gzip-93ea530a74fb6510
[INFO] [stdout] test gzip_stream_decompress_empty ... ok
[INFO] [stdout] test gzip_stream_compress ... ok
[INFO] [stdout] test gzip_stream_decompress_segmented ... ok
[INFO] [stdout] test gzip_stream_decompress_split ... ok
[INFO] [stdout] test gzip_stream_decompress_single_chunk ... ok
[INFO] [stdout] test gzip_stream_decompress_split_mixed ... ok
[INFO] [stdout] test gzip_stream_compress_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/proptest-13e407f20db16a68
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test brotli_stream_decompress ... ok
[INFO] [stdout] test deflate_stream_decompress ... ok
[INFO] [stdout] test gzip_stream_decompress ... ok
[INFO] [stdout] test zlib_stream_decompress ... ok
[INFO] [stdout] test deflate_stream_compress ... ok
[INFO] [stdout] test deflate_bufread_compress ... ok
[INFO] [stdout] test zlib_bufread_compress ... ok
[INFO] [stdout] test brotli_stream_compress ... ok
[INFO] [stdout] test zlib_stream_compress ... ok
[INFO] [stdout] test gzip_stream_compress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zlib-c6cf3bfad1846649
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test zlib_stream_decompress ... ok
[INFO] [stdout] test zlib_bufread_compress ... ok
[INFO] [stdout] test zlib_stream_compress ... ok
[INFO] [stdout] test zlib_stream_compress_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zstd-8c6a487529b551ec
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test zstd_stream_decompress ... ok
[INFO] [stdout] test zstd_stream_compress ... ok
[INFO] [stdout] test zstd_stream_compress_large ... 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 async-compression
[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] running `"docker" "inspect" "6844c4a38f977ae415f95299ca1c47949b16310954c12450ce818357f99e620c"`
[INFO] running `"docker" "rm" "-f" "6844c4a38f977ae415f95299ca1c47949b16310954c12450ce818357f99e620c"`
[INFO] [stdout] 6844c4a38f977ae415f95299ca1c47949b16310954c12450ce818357f99e620c