[INFO] crate flate2 1.0.6 is already in cache
[INFO] extracting crate flate2 1.0.6 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/flate2/1.0.6
[INFO] extracting crate flate2 1.0.6 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/flate2/1.0.6
[INFO] validating manifest of flate2-1.0.6 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of flate2-1.0.6 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing flate2-1.0.6
[INFO] finished frobbing flate2-1.0.6
[INFO] frobbed toml for flate2-1.0.6 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/flate2/1.0.6/Cargo.toml
[INFO] started frobbing flate2-1.0.6
[INFO] finished frobbing flate2-1.0.6
[INFO] frobbed toml for flate2-1.0.6 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/flate2/1.0.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing flate2-1.0.6 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/flate2/1.0.6:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 709827a4fde18521f33ddf012824551c1d32e6ef39a5e7746d198cb8aa459847
[INFO] running `"docker" "start" "-a" "709827a4fde18521f33ddf012824551c1d32e6ef39a5e7746d198cb8aa459847"`
[INFO] [stderr]    Compiling flate2 v1.0.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "709827a4fde18521f33ddf012824551c1d32e6ef39a5e7746d198cb8aa459847"`
[INFO] running `"docker" "rm" "-f" "709827a4fde18521f33ddf012824551c1d32e6ef39a5e7746d198cb8aa459847"`
[INFO] [stdout] 709827a4fde18521f33ddf012824551c1d32e6ef39a5e7746d198cb8aa459847
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/flate2/1.0.6:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] b244561b9aff20b697137ba90f1e348265c055f7a0801354fdeb4770959d616f
[INFO] running `"docker" "start" "-a" "b244561b9aff20b697137ba90f1e348265c055f7a0801354fdeb4770959d616f"`
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling flate2 v1.0.6 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `"docker" "inspect" "b244561b9aff20b697137ba90f1e348265c055f7a0801354fdeb4770959d616f"`
[INFO] running `"docker" "rm" "-f" "b244561b9aff20b697137ba90f1e348265c055f7a0801354fdeb4770959d616f"`
[INFO] [stdout] b244561b9aff20b697137ba90f1e348265c055f7a0801354fdeb4770959d616f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/flate2/1.0.6:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 7cbfbe87edaa965aa04f9c69dfb81ea5963bfcc4e687b524c87bf0046712e75b
[INFO] running `"docker" "start" "-a" "7cbfbe87edaa965aa04f9c69dfb81ea5963bfcc4e687b524c87bf0046712e75b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flate2-a8f92864a3678392
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test deflate::tests::drop_writes ... ok
[INFO] [stdout] test deflate::tests::qc_writer ... ok
[INFO] [stdout] test deflate::tests::qc_reader ... ok
[INFO] [stdout] test deflate::tests::zero_length_read_with_data ... ok
[INFO] [stdout] test gz::tests::fields ... ok
[INFO] [stdout] test gz::tests::flush_after_write ... ok
[INFO] [stdout] test gz::tests::keep_reading_after_end ... ok
[INFO] [stdout] test deflate::tests::roundtrip ... ok
[INFO] [stdout] test gz::tests::roundtrip ... ok
[INFO] [stdout] test deflate::tests::total_in ... ok
[INFO] [stdout] test gz::tests::qc_reader ... ok
[INFO] [stdout] test gz::tests::roundtrip_zero ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_exact_header ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_one_chunk ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_partial_crc ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_partial_header ... ok
[INFO] [stdout] test mem::tests::issue51 ... ok
[INFO] [stdout] test mem::tests::reset ... ok
[INFO] [stdout] test zlib::tests::bad_input ... ok
[INFO] [stdout] test zlib::tests::drop_writes ... ok
[INFO] [stdout] test gz::tests::roundtrip_big ... ok
[INFO] [stdout] test zlib::tests::qc_reader ... ok
[INFO] [stdout] test zlib::tests::qc_writer ... ok
[INFO] [stdout] test zlib::tests::roundtrip ... ok
[INFO] [stdout] test zlib::tests::roundtrip2 ... ok
[INFO] [stdout] test gz::tests::roundtrip_big2 ... ok
[INFO] [stdout] test zlib::tests::total_in ... ok
[INFO] [stdout] test deflate::tests::roundtrip2 ... ok
[INFO] [stdout] test deflate::tests::roundtrip3 ... ok
[INFO] [stdout] test deflate::tests::reset_reader ... ok
[INFO] [stdout] test zlib::tests::roundtrip3 ... ok
[INFO] [stdout] test deflate::tests::reset_decoder ... ok
[INFO] [stdout] test deflate::tests::reset_writer ... ok
[INFO] [stdout] test zlib::tests::reset_decoder ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/early_flush-356ae6e2223b56c6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/empty_read-729bd39c818759f6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gunzip-2734ac57dddddaae
[INFO] [stdout] test zlib_encoder_empty_read ... ok
[INFO] [stdout] test zlib_decoder_empty_read ... ok
[INFO] [stdout] test gzip_encoder_empty_read ... ok
[INFO] [stdout] test gzip_decoder_empty_read ... ok
[INFO] [stdout] test deflate_encoder_empty_read ... ok
[INFO] [stdout] test deflate_decoder_empty_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_extract_success_partial_multi ... ok
[INFO] [stdout] test test_extract_success_multi ... ok
[INFO] [stdout] test test_extract_success ... ok
[INFO] [stdout] test test_extract_failure ... ok
[INFO] [stdout] test empty_error_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio-7341c498ae4528e3
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zero_write-737e4c71c685e623
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test zero_write_is_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flate2
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/deflate/bufread.rs - deflate::bufread::DeflateDecoder (line 148) ... ok
[INFO] [stdout] test src/deflate/read.rs - deflate::read::DeflateEncoder (line 21) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::GzEncoder (line 125) ... ok
[INFO] [stdout] test src/deflate/bufread.rs - deflate::bufread::DeflateEncoder (line 22) ... ok
[INFO] [stdout] test src/deflate/write.rs - deflate::write::DeflateEncoder (line 21) ... ok
[INFO] [stdout] test src/deflate/write.rs - deflate::write::DeflateDecoder (line 195) ... ok
[INFO] [stdout] test src/deflate/read.rs - deflate::read::DeflateDecoder (line 145) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::GzDecoder (line 257) ... ok
[INFO] [stdout] test src/gz/mod.rs - gz::GzBuilder (line 91) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::MultiGzDecoder (line 411) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::GzEncoder (line 19) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::GzDecoder (line 102) ... ok
[INFO] [stdout] test src/gz/write.rs - gz::write::GzEncoder (line 25) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::MultiGzDecoder (line 199) ... ok
[INFO] [stdout] test src/gz/write.rs - gz::write::GzDecoder (line 195) ... ok
[INFO] [stdout] test src/zlib/bufread.rs - zlib::bufread::ZlibEncoder (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/zlib/bufread.rs - zlib::bufread::ZlibDecoder (line 144) ... ok
[INFO] [stdout] test src/zlib/read.rs - zlib::read::ZlibEncoder (line 21) ... ok
[INFO] [stdout] test src/zlib/write.rs - zlib::write::ZlibEncoder (line 21) ... ok
[INFO] [stdout] test src/zlib/read.rs - zlib::read::ZlibDecoder (line 142) ... ok
[INFO] [stdout] test src/zlib/write.rs - zlib::write::ZlibDecoder (line 195) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7cbfbe87edaa965aa04f9c69dfb81ea5963bfcc4e687b524c87bf0046712e75b"`
[INFO] running `"docker" "rm" "-f" "7cbfbe87edaa965aa04f9c69dfb81ea5963bfcc4e687b524c87bf0046712e75b"`
[INFO] [stdout] 7cbfbe87edaa965aa04f9c69dfb81ea5963bfcc4e687b524c87bf0046712e75b