[INFO] fetching crate niffler 2.3.2...
[INFO] testing niffler-2.3.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate niffler 2.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate niffler 2.3.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niffler 2.3.2
[INFO] finished tweaking crates.io crate niffler 2.3.2
[INFO] tweaked toml for crates.io crate niffler 2.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd74bb31bedd749390ed47ae538c66238afc3d18afd882a9062afe764d2c741
[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" "acd74bb31bedd749390ed47ae538c66238afc3d18afd882a9062afe764d2c741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd74bb31bedd749390ed47ae538c66238afc3d18afd882a9062afe764d2c741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd74bb31bedd749390ed47ae538c66238afc3d18afd882a9062afe764d2c741", kill_on_drop: false }`
[INFO] [stdout] acd74bb31bedd749390ed47ae538c66238afc3d18afd882a9062afe764d2c741
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 09092a4f7cb95dce61180a1ee67ec49fe2a97cdf25e426082cd9d5548677d118
[INFO] running `Command { std: "docker" "start" "-a" "09092a4f7cb95dce61180a1ee67ec49fe2a97cdf25e426082cd9d5548677d118", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bgzip v0.2.1
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling niffler v2.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "09092a4f7cb95dce61180a1ee67ec49fe2a97cdf25e426082cd9d5548677d118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09092a4f7cb95dce61180a1ee67ec49fe2a97cdf25e426082cd9d5548677d118", kill_on_drop: false }`
[INFO] [stdout] 09092a4f7cb95dce61180a1ee67ec49fe2a97cdf25e426082cd9d5548677d118
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d76abc65fc58f2cd466e5869a48d35ff5a6046e21a504fe6a8fc3122d6351b04
[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" "d76abc65fc58f2cd466e5869a48d35ff5a6046e21a504fe6a8fc3122d6351b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling niffler v2.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "d76abc65fc58f2cd466e5869a48d35ff5a6046e21a504fe6a8fc3122d6351b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76abc65fc58f2cd466e5869a48d35ff5a6046e21a504fe6a8fc3122d6351b04", kill_on_drop: false }`
[INFO] [stdout] d76abc65fc58f2cd466e5869a48d35ff5a6046e21a504fe6a8fc3122d6351b04
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0186d6f59550d2aa1ecd9545f2ccb601039de5f99d0e0a0490ab7bbd827480ff
[INFO] running `Command { std: "docker" "start" "-a" "0186d6f59550d2aa1ecd9545f2ccb601039de5f99d0e0a0490ab7bbd827480ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/niffler-a059a4cc4289e2fd)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test basic::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test basic::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test level::test::level2u32 ... ok
[INFO] [stdout] test basic::test::compress_uncompress::gzip ... ok
[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::no_compression ... 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 seek::test::compression_format_detection::bgzip ... ok
[INFO] [stdout] test level::test::level2bzip2 ... ok
[INFO] [stdout] test level::test::level2flate2 ... 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 basic::test::compress_uncompress::lzma ... ok
[INFO] [stdout] test send::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test seek::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test send::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test basic::test::compress_uncompress::xz ... ok
[INFO] [stdout] test send::test::compress_uncompress::lzma ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test send::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test send::test::compression_format_detection::xz ... ok
[INFO] [stdout] test send::test::compress_uncompress::xz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests niffler
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/basic/mod.rs - basic::sniff (line 18) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::get_reader (line 55) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::get_writer (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::from_path (line 133) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::to_path (line 163) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0186d6f59550d2aa1ecd9545f2ccb601039de5f99d0e0a0490ab7bbd827480ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0186d6f59550d2aa1ecd9545f2ccb601039de5f99d0e0a0490ab7bbd827480ff", kill_on_drop: false }`
[INFO] [stdout] 0186d6f59550d2aa1ecd9545f2ccb601039de5f99d0e0a0490ab7bbd827480ff