[INFO] fetching crate flate2 1.0.19...
[INFO] testing flate2-1.0.19 against 1.49.0 for beta-1.50-1
[INFO] extracting crate flate2 1.0.19 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate flate2 1.0.19 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flate2 1.0.19
[INFO] finished tweaking crates.io crate flate2 1.0.19
[INFO] tweaked toml for crates.io crate flate2 1.0.19 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate flate2 1.0.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0c5e568538cdb19ba2915d32c0ad1fc969e103575d31db5957f563d0fbbcc0
[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" "fa0c5e568538cdb19ba2915d32c0ad1fc969e103575d31db5957f563d0fbbcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0c5e568538cdb19ba2915d32c0ad1fc969e103575d31db5957f563d0fbbcc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0c5e568538cdb19ba2915d32c0ad1fc969e103575d31db5957f563d0fbbcc0", kill_on_drop: false }`
[INFO] [stdout] fa0c5e568538cdb19ba2915d32c0ad1fc969e103575d31db5957f563d0fbbcc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88c333296500c5ef7d1ac60f9518048e484e27558ea2fae5277a68e0db33219
[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" "d88c333296500c5ef7d1ac60f9518048e484e27558ea2fae5277a68e0db33219", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling flate2 v1.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "d88c333296500c5ef7d1ac60f9518048e484e27558ea2fae5277a68e0db33219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88c333296500c5ef7d1ac60f9518048e484e27558ea2fae5277a68e0db33219", kill_on_drop: false }`
[INFO] [stdout] d88c333296500c5ef7d1ac60f9518048e484e27558ea2fae5277a68e0db33219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 47d66b51618c8269c364cf95b366007a7a58c3fe988106c9525bea5b8523b288
[INFO] running `Command { std: "docker" "start" "-a" "47d66b51618c8269c364cf95b366007a7a58c3fe988106c9525bea5b8523b288", kill_on_drop: false }`
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling flate2 v1.0.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.08s
[INFO] running `Command { std: "docker" "inspect" "47d66b51618c8269c364cf95b366007a7a58c3fe988106c9525bea5b8523b288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d66b51618c8269c364cf95b366007a7a58c3fe988106c9525bea5b8523b288", kill_on_drop: false }`
[INFO] [stdout] 47d66b51618c8269c364cf95b366007a7a58c3fe988106c9525bea5b8523b288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 7fd408834c44b08ba7d8e5cc833eb66cac8400d48d6a1ed4432e6e3fb0cddeda
[INFO] running `Command { std: "docker" "start" "-a" "7fd408834c44b08ba7d8e5cc833eb66cac8400d48d6a1ed4432e6e3fb0cddeda", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flate2-f4c94f2d56d32b32
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test gz::tests::keep_reading_after_end ... ok
[INFO] [stdout] test gz::tests::fields ... ok
[INFO] [stdout] test gz::tests::flush_after_write ... ok
[INFO] [stdout] test deflate::tests::drop_writes ... ok
[INFO] [stdout] test gz::tests::roundtrip ... ok
[INFO] [stdout] test deflate::tests::roundtrip ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_exact_header ... ok
[INFO] [stdout] test deflate::tests::zero_length_read_with_data ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_partial_crc ... ok
[INFO] [stdout] test deflate::tests::qc_reader ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_one_chunk ... 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_zero ... ok
[INFO] [stdout] test mem::tests::issue51 ... ok
[INFO] [stdout] test gz::write::tests::decode_writer_partial_header ... ok
[INFO] [stdout] test gz::tests::qc_reader ... ok
[INFO] [stdout] test zlib::tests::qc_reader ... ok
[INFO] [stdout] test zlib::tests::qc_writer ... ok
[INFO] [stdout] test deflate::tests::qc_writer ... ok
[INFO] [stdout] test deflate::tests::total_in ... ok
[INFO] [stdout] test gz::tests::roundtrip_big ... ok
[INFO] [stdout] test zlib::tests::total_in ... ok
[INFO] [stdout] test zlib::tests::roundtrip ... ok
[INFO] [stdout] test zlib::tests::roundtrip2 ... ok
[INFO] [stdout] test deflate::tests::roundtrip2 ... ok
[INFO] [stdout] test gz::tests::roundtrip_big2 ... ok
[INFO] [stdout] test deflate::tests::roundtrip3 ... ok
[INFO] [stdout] test zlib::tests::roundtrip3 ... ok
[INFO] [stdout] test deflate::tests::reset_decoder ... ok
[INFO] [stdout] test deflate::tests::reset_reader ... ok
[INFO] [stdout] test zlib::tests::reset_decoder ... ok
[INFO] [stdout] test deflate::tests::reset_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/async_reader-4072dcc8cd4832b9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_multi_gz_asyncread ... ok
[INFO] [stdout] test test_gz_asyncread ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/early_flush-789aa08d58276997
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/empty_read-cd7ea7d0a7eca187
[INFO] [stdout] test smoke ... ok
[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] [stdout] test gzip_decoder_empty_read ... ok
[INFO] [stdout] test gzip_encoder_empty_read ... ok
[INFO] [stdout] test deflate_decoder_empty_read ... ok
[INFO] [stdout] test zlib_decoder_empty_read ... ok
[INFO] [stdout] test zlib_encoder_empty_read ... ok
[INFO] [stdout] test deflate_encoder_empty_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gunzip-fb337eac280923c9
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_extract_success_partial_multi ... ok
[INFO] [stdout] test empty_error_once ... 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] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio-712a9b35ad3d5784
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zero_write-e830883f7125b122
[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/gz/mod.rs - gz::GzBuilder (line 91) ... ok
[INFO] [stdout] test src/deflate/bufread.rs - deflate::bufread::DeflateEncoder (line 22) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::GzEncoder (line 24) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::GzEncoder (line 130) ... ok
[INFO] [stdout] test src/gz/write.rs - gz::write::GzEncoder (line 25) ... ok
[INFO] [stdout] test src/deflate/write.rs - deflate::write::DeflateDecoder (line 195) ... ok
[INFO] [stdout] test src/deflate/write.rs - deflate::write::DeflateEncoder (line 21) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::MultiGzDecoder (line 556) ... ok
[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/zlib/bufread.rs - zlib::bufread::ZlibEncoder (line 22) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::GzDecoder (line 107) ... ok
[INFO] [stdout] test src/gz/read.rs - gz::read::MultiGzDecoder (line 214) ... ok
[INFO] [stdout] test src/deflate/read.rs - deflate::read::DeflateDecoder (line 145) ... ok
[INFO] [stdout] test src/zlib/bufread.rs - zlib::bufread::ZlibDecoder (line 144) ... ok
[INFO] [stdout] test src/gz/bufread.rs - gz::bufread::GzDecoder (line 275) ... ok
[INFO] [stdout] test src/lib.rs - (line 52) ... ok
[INFO] [stdout] test src/gz/write.rs - gz::write::GzDecoder (line 195) ... 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/write.rs - zlib::write::ZlibDecoder (line 195) ... ok
[INFO] [stdout] test src/zlib/read.rs - zlib::read::ZlibDecoder (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fd408834c44b08ba7d8e5cc833eb66cac8400d48d6a1ed4432e6e3fb0cddeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd408834c44b08ba7d8e5cc833eb66cac8400d48d6a1ed4432e6e3fb0cddeda", kill_on_drop: false }`
[INFO] [stdout] 7fd408834c44b08ba7d8e5cc833eb66cac8400d48d6a1ed4432e6e3fb0cddeda