[INFO] fetching crate niffler 2.3.2...
[INFO] testing niffler-2.3.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate niffler 2.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate niffler 2.3.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] e077ebb40376c762fc642e9106b9ba68a35592352efe01527e172f1a37398b4d
[INFO] running `Command { std: "docker" "start" "-a" "e077ebb40376c762fc642e9106b9ba68a35592352efe01527e172f1a37398b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e077ebb40376c762fc642e9106b9ba68a35592352efe01527e172f1a37398b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e077ebb40376c762fc642e9106b9ba68a35592352efe01527e172f1a37398b4d", kill_on_drop: false }`
[INFO] [stdout] e077ebb40376c762fc642e9106b9ba68a35592352efe01527e172f1a37398b4d
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4b021883c3afd768ca0727b3edc1e37106bcd086985729a0446682dec76384
[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" "6f4b021883c3afd768ca0727b3edc1e37106bcd086985729a0446682dec76384", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling flate2 v1.0.21
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling bgzip v0.2.1
[INFO] [stderr]    Compiling niffler v2.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `Command { std: "docker" "inspect" "6f4b021883c3afd768ca0727b3edc1e37106bcd086985729a0446682dec76384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4b021883c3afd768ca0727b3edc1e37106bcd086985729a0446682dec76384", kill_on_drop: false }`
[INFO] [stdout] 6f4b021883c3afd768ca0727b3edc1e37106bcd086985729a0446682dec76384
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d4a1a668a9814e77ecf1ef32efe614b6b1a9efc6350c4e654b520f5f4ec39b
[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" "27d4a1a668a9814e77ecf1ef32efe614b6b1a9efc6350c4e654b520f5f4ec39b", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling niffler v2.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "27d4a1a668a9814e77ecf1ef32efe614b6b1a9efc6350c4e654b520f5f4ec39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d4a1a668a9814e77ecf1ef32efe614b6b1a9efc6350c4e654b520f5f4ec39b", kill_on_drop: false }`
[INFO] [stdout] 27d4a1a668a9814e77ecf1ef32efe614b6b1a9efc6350c4e654b520f5f4ec39b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 925f813e50ca4580c97ae748b08e9fd009d914ce2094044751dd58461b00d1ce
[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" "925f813e50ca4580c97ae748b08e9fd009d914ce2094044751dd58461b00d1ce", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/niffler-92ee8d65337d6b5d)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test basic::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test basic::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test basic::test::compression_format_detection::xz ... ok
[INFO] [stdout] test basic::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::lzma ... ok
[INFO] [stdout] test level::test::level2bzip2 ... ok
[INFO] [stdout] test level::test::level2flate2 ... ok
[INFO] [stdout] test level::test::level2u32 ... ok
[INFO] [stdout] test seek::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test basic::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test basic::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test send::test::compress_uncompress::bzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test send::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test send::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test send::test::compress_uncompress::gzip ... ok
[INFO] [stdout] test basic::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compression_format_detection::xz ... 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 seek::test::compression_format_detection::too_short ... ok
[INFO] [stdout] test send::test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test seeksend::test::compression_format_detection::bgzip ... ok
[INFO] [stdout] test seek::test::compression_format_detection::bgzip ... 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::lzma ... ok
[INFO] [stdout] test basic::test::compress_uncompress::xz ... ok
[INFO] [stderr]    Doc-tests niffler
[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 0.02s
[INFO] [stdout] 
[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_writer (line 95) ... ok
[INFO] [stdout] test src/basic/mod.rs - basic::get_reader (line 55) ... 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 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "925f813e50ca4580c97ae748b08e9fd009d914ce2094044751dd58461b00d1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925f813e50ca4580c97ae748b08e9fd009d914ce2094044751dd58461b00d1ce", kill_on_drop: false }`
[INFO] [stdout] 925f813e50ca4580c97ae748b08e9fd009d914ce2094044751dd58461b00d1ce