[INFO] fetching crate niffler 2.4.0...
[INFO] testing niffler-2.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate niffler 2.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate niffler 2.4.0 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 niffler 2.4.0
[INFO] finished tweaking crates.io crate niffler 2.4.0
[INFO] tweaked toml for crates.io crate niffler 2.4.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c77ac76cacc0dafc8619c53351ee13b17ba6254be0b81b8d181c6efc518a3933
[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" "c77ac76cacc0dafc8619c53351ee13b17ba6254be0b81b8d181c6efc518a3933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77ac76cacc0dafc8619c53351ee13b17ba6254be0b81b8d181c6efc518a3933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77ac76cacc0dafc8619c53351ee13b17ba6254be0b81b8d181c6efc518a3933", kill_on_drop: false }`
[INFO] [stdout] c77ac76cacc0dafc8619c53351ee13b17ba6254be0b81b8d181c6efc518a3933
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1063a9c7655250eb39b1171f1821160d9867c9d028c9796f7cb1c6040f83a257
[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" "1063a9c7655250eb39b1171f1821160d9867c9d028c9796f7cb1c6040f83a257", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling bgzip v0.2.1
[INFO] [stderr]    Compiling zstd v0.7.0+zstd.1.4.9
[INFO] [stderr]    Compiling niffler v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "1063a9c7655250eb39b1171f1821160d9867c9d028c9796f7cb1c6040f83a257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1063a9c7655250eb39b1171f1821160d9867c9d028c9796f7cb1c6040f83a257", kill_on_drop: false }`
[INFO] [stdout] 1063a9c7655250eb39b1171f1821160d9867c9d028c9796f7cb1c6040f83a257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 87215558e6cd11a0d108d64fc2baf399aa7dc12a780987e41a622102ed65b83d
[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" "87215558e6cd11a0d108d64fc2baf399aa7dc12a780987e41a622102ed65b83d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling niffler v2.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.69s
[INFO] running `Command { std: "docker" "inspect" "87215558e6cd11a0d108d64fc2baf399aa7dc12a780987e41a622102ed65b83d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87215558e6cd11a0d108d64fc2baf399aa7dc12a780987e41a622102ed65b83d", kill_on_drop: false }`
[INFO] [stdout] 87215558e6cd11a0d108d64fc2baf399aa7dc12a780987e41a622102ed65b83d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de9ef0b1bdfad84d5093041d97eecc047005bb626d7649438e46d50759e81a38
[INFO] running `Command { std: "docker" "start" "-a" "de9ef0b1bdfad84d5093041d97eecc047005bb626d7649438e46d50759e81a38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] running 33 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/niffler-5fbab5bb62f7cd96)
[INFO] [stdout] test basic::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test basic::test::compression_format_detection::zstd ... ok
[INFO] [stdout] test level::test::level2u32 ... ok
[INFO] [stdout] test basic::test::compression_format_detection::xz ... ok
[INFO] [stdout] test seek::test::compression_format_detection::bgzip ... ok
[INFO] [stdout] test level::test::level2flate2 ... ok
[INFO] [stdout] test seek::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test level::test::level2bzip2 ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::bgzip ... ok
[INFO] [stdout] test seek::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test send::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test send::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::xz ... ok
[INFO] [stdout] test basic::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test send::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test send::test::compress_uncompress::lzma ... ok
[INFO] [stdout] test basic::test::compress_uncompress::lzma ... ok
[INFO] [stdout] test basic::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compression_format_detection::xz ... ok
[INFO] [stdout] test basic::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test send::test::compress_uncompress::xz ... ok
[INFO] [stdout] test send::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test send::test::compress_uncompress::gzip ... ok
[INFO] [stderr]    Doc-tests niffler
[INFO] [stdout] test basic::test::compress_uncompress::zstd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/basic/mod.rs - basic::get_reader (line 56) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::get_writer (line 97) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::from_path (line 136) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::sniff (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::to_path (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de9ef0b1bdfad84d5093041d97eecc047005bb626d7649438e46d50759e81a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9ef0b1bdfad84d5093041d97eecc047005bb626d7649438e46d50759e81a38", kill_on_drop: false }`
[INFO] [stdout] de9ef0b1bdfad84d5093041d97eecc047005bb626d7649438e46d50759e81a38