[INFO] fetching crate niffler 2.4.0...
[INFO] testing niffler-2.4.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate niffler 2.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate niffler 2.4.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bgzip v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb2fed6ecc62a050c54df3ac81ca5da3cb967a798b611217c66db7a55bfb02c
[INFO] running `Command { std: "docker" "start" "-a" "0cb2fed6ecc62a050c54df3ac81ca5da3cb967a798b611217c66db7a55bfb02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb2fed6ecc62a050c54df3ac81ca5da3cb967a798b611217c66db7a55bfb02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb2fed6ecc62a050c54df3ac81ca5da3cb967a798b611217c66db7a55bfb02c", kill_on_drop: false }`
[INFO] [stdout] 0cb2fed6ecc62a050c54df3ac81ca5da3cb967a798b611217c66db7a55bfb02c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a95f864b42cfb92ac7ae70306e7d990e8380eb7ca907643cb48d7ecd62f70b
[INFO] running `Command { std: "docker" "start" "-a" "a1a95f864b42cfb92ac7ae70306e7d990e8380eb7ca907643cb48d7ecd62f70b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling cc v1.0.73
[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-impl v1.0.30
[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 20.24s
[INFO] running `Command { std: "docker" "inspect" "a1a95f864b42cfb92ac7ae70306e7d990e8380eb7ca907643cb48d7ecd62f70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a95f864b42cfb92ac7ae70306e7d990e8380eb7ca907643cb48d7ecd62f70b", kill_on_drop: false }`
[INFO] [stdout] a1a95f864b42cfb92ac7ae70306e7d990e8380eb7ca907643cb48d7ecd62f70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 811d749da743d5762ca238111eb75ceec59bc61b7d9ab2b33f098dc3009909ce
[INFO] running `Command { std: "docker" "start" "-a" "811d749da743d5762ca238111eb75ceec59bc61b7d9ab2b33f098dc3009909ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[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 13.04s
[INFO] running `Command { std: "docker" "inspect" "811d749da743d5762ca238111eb75ceec59bc61b7d9ab2b33f098dc3009909ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "811d749da743d5762ca238111eb75ceec59bc61b7d9ab2b33f098dc3009909ce", kill_on_drop: false }`
[INFO] [stdout] 811d749da743d5762ca238111eb75ceec59bc61b7d9ab2b33f098dc3009909ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cefe895be4296f701b92cc1588afc2d13894e1a0fab2b959c7db009bbbd9be3a
[INFO] running `Command { std: "docker" "start" "-a" "cefe895be4296f701b92cc1588afc2d13894e1a0fab2b959c7db009bbbd9be3a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/niffler-566fefb481a99d8f)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test basic::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test basic::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test basic::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test basic::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test basic::test::compression_format_detection::xz ... ok
[INFO] [stdout] test level::test::level2bzip2 ... ok
[INFO] [stdout] test basic::test::compression_format_detection::zstd ... ok
[INFO] [stdout] test level::test::level2flate2 ... ok
[INFO] [stdout] test level::test::level2u32 ... ok
[INFO] [stdout] test seek::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test seek::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 seeksend::test::compression_format_detection::bgzip ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::too_short ... 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::lzma ... ok
[INFO] [stdout] test send::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test send::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::no_compression ... 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::xz ... ok
[INFO] [stdout] test send::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test send::test::compress_uncompress::xz ... ok
[INFO] [stdout] test send::test::compress_uncompress::lzma ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests niffler
[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::sniff (line 18) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::get_writer (line 97) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::to_path (line 166) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::from_path (line 136) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cefe895be4296f701b92cc1588afc2d13894e1a0fab2b959c7db009bbbd9be3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefe895be4296f701b92cc1588afc2d13894e1a0fab2b959c7db009bbbd9be3a", kill_on_drop: false }`
[INFO] [stdout] cefe895be4296f701b92cc1588afc2d13894e1a0fab2b959c7db009bbbd9be3a