[INFO] fetching crate libflate 1.0.3...
[INFO] testing libflate-1.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libflate 1.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate libflate 1.0.3 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 libflate 1.0.3
[INFO] finished tweaking crates.io crate libflate 1.0.3
[INFO] tweaked toml for crates.io crate libflate 1.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate libflate 1.0.3 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a699810fd46a3b86243edf7e49fa5308acc48843bc74e803924875eb4b7fc9f
[INFO] running `Command { std: "docker" "start" "-a" "9a699810fd46a3b86243edf7e49fa5308acc48843bc74e803924875eb4b7fc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a699810fd46a3b86243edf7e49fa5308acc48843bc74e803924875eb4b7fc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a699810fd46a3b86243edf7e49fa5308acc48843bc74e803924875eb4b7fc9f", kill_on_drop: false }`
[INFO] [stdout] 9a699810fd46a3b86243edf7e49fa5308acc48843bc74e803924875eb4b7fc9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 081e26cdc1615f9c4eaa5c171f82f50fe4d7c3f70c88c062b168d9321b9eb44f
[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" "081e26cdc1615f9c4eaa5c171f82f50fe4d7c3f70c88c062b168d9321b9eb44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libflate v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "081e26cdc1615f9c4eaa5c171f82f50fe4d7c3f70c88c062b168d9321b9eb44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081e26cdc1615f9c4eaa5c171f82f50fe4d7c3f70c88c062b168d9321b9eb44f", kill_on_drop: false }`
[INFO] [stdout] 081e26cdc1615f9c4eaa5c171f82f50fe4d7c3f70c88c062b168d9321b9eb44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 8a28579c3afb468868d2f8adce28455aa417d59bbc0c4120ae82a937e06f035b
[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" "8a28579c3afb468868d2f8adce28455aa417d59bbc0c4120ae82a937e06f035b", kill_on_drop: false }`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling libflate v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "8a28579c3afb468868d2f8adce28455aa417d59bbc0c4120ae82a937e06f035b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a28579c3afb468868d2f8adce28455aa417d59bbc0c4120ae82a937e06f035b", kill_on_drop: false }`
[INFO] [stdout] 8a28579c3afb468868d2f8adce28455aa417d59bbc0c4120ae82a937e06f035b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 93f4519cfbc0878763bae3956c972c5485f0827aa9ff9f8379fda4cb4d182396
[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" "93f4519cfbc0878763bae3956c972c5485f0827aa9ff9f8379fda4cb4d182396", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libflate-a18aa9b9278ce5b6
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test bit::tests::writer_works ... ok
[INFO] [stdout] test bit::tests::reader_works ... ok
[INFO] [stdout] test gzip::tests::issue_15_3 ... ok
[INFO] [stdout] test lz77::tests::issue21 ... ok
[INFO] [stdout] test gzip::tests::issue_15_2 ... ok
[INFO] [stdout] test non_blocking::deflate::decode::tests::it_works ... ok
[INFO] [stdout] test checksum::tests::adler32_works ... ok
[INFO] [stdout] test checksum::tests::crc32_works ... ok
[INFO] [stdout] test gzip::tests::issue_15_1 ... ok
[INFO] [stdout] test non_blocking::deflate::decode::tests::non_blocking_io_works ... ok
[INFO] [stdout] test non_blocking::zlib::tests::decode_works ... ok
[INFO] [stdout] test non_blocking::gzip::tests::encode_works ... ok
[INFO] [stdout] test non_blocking::zlib::tests::raw_encode_works ... ok
[INFO] [stdout] test deflate::decode::tests::it_works ... ok
[INFO] [stdout] test non_blocking::zlib::tests::default_encode_works ... ok
[INFO] [stdout] test non_blocking::zlib::tests::best_speed_encode_works ... ok
[INFO] [stdout] test gzip::tests::encode_with_extra_field ... ok
[INFO] [stdout] test gzip::tests::encoder_auto_finish_works ... ok
[INFO] [stdout] test gzip::tests::encode_works ... ok
[INFO] [stdout] test gzip::tests::extra_field ... ok
[INFO] [stdout] test zlib::tests::default_encode_works ... ok
[INFO] [stdout] test zlib::tests::best_speed_encode_works ... ok
[INFO] [stdout] test zlib::tests::decode_works ... ok
[INFO] [stdout] test zlib::tests::test_issues_16 ... ok
[INFO] [stdout] test huffman::tests::it_works ... ok
[INFO] [stdout] test zlib::tests::encoder_auto_finish_works ... ok
[INFO] [stdout] test zlib::tests::raw_encode_works ... ok
[INFO] [stdout] test gzip::tests::multi_decode_works ... ok
[INFO] [stdout] test deflate::decode::tests::test_issues_3 ... ok
[INFO] [stdout] test non_blocking::zlib::tests::test_issue_2 ... ok
[INFO] [stdout] test non_blocking::deflate::decode::tests::non_compressed_non_blocking_io_works ... ok
[INFO] [stdout] test non_blocking::gzip::tests::decode_works_noncompressed_block_offset_sync ... ok
[INFO] [stdout] test zlib::tests::test_issue_2 ... ok
[INFO] [stdout] test deflate::encode::tests::test_issues_52 ... ok
[INFO] [stdout] test non_blocking::deflate::decode::tests::non_blocking_io_for_large_text_works ... ok
[INFO] [stdout] test deflate::tests::encode_and_decode_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    Doc-tests libflate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 70 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --test /opt/rustwide/workdir/src/lib.rs --crate-name libflate -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern adler32=/opt/rustwide/target/debug/deps/libadler32-fe29fbb16da6965c.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-d9e963a8b7d51d16.rlib --extern crc32fast=/opt/rustwide/target/debug/deps/libcrc32fast-79c232c3cb45e5c6.rlib --extern libflate=/opt/rustwide/target/debug/deps/liblibflate-898a05fa6ad07b67.rlib --extern libflate_lz77=/opt/rustwide/target/debug/deps/liblibflate_lz77-2673dfcddfcf94d0.rlib --extern rle_decode_fast=/opt/rustwide/target/debug/deps/librle_decode_fast-f0ab0f80a89b83ea.rlib -C embed-bitcode=no` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "93f4519cfbc0878763bae3956c972c5485f0827aa9ff9f8379fda4cb4d182396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f4519cfbc0878763bae3956c972c5485f0827aa9ff9f8379fda4cb4d182396", kill_on_drop: false }`
[INFO] [stdout] 93f4519cfbc0878763bae3956c972c5485f0827aa9ff9f8379fda4cb4d182396