[INFO] crate niffler 2.2.0 is already in cache
[INFO] testing niffler-2.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate niffler 2.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate niffler 2.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niffler 2.2.0
[INFO] finished tweaking crates.io crate niffler 2.2.0
[INFO] tweaked toml for crates.io crate niffler 2.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ed91121e83ea0c19881cec0b12d7bb422d53db0c29d265d0bb58dfc2e31fcf
[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" "84ed91121e83ea0c19881cec0b12d7bb422d53db0c29d265d0bb58dfc2e31fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ed91121e83ea0c19881cec0b12d7bb422d53db0c29d265d0bb58dfc2e31fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ed91121e83ea0c19881cec0b12d7bb422d53db0c29d265d0bb58dfc2e31fcf", kill_on_drop: false }`
[INFO] [stdout] 84ed91121e83ea0c19881cec0b12d7bb422d53db0c29d265d0bb58dfc2e31fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77cfcd0fbae3ceca8fedbc9cbecd631bd395a37fe342c9a2b5f45a3d5df5af8f
[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" "77cfcd0fbae3ceca8fedbc9cbecd631bd395a37fe342c9a2b5f45a3d5df5af8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling niffler v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "77cfcd0fbae3ceca8fedbc9cbecd631bd395a37fe342c9a2b5f45a3d5df5af8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cfcd0fbae3ceca8fedbc9cbecd631bd395a37fe342c9a2b5f45a3d5df5af8f", kill_on_drop: false }`
[INFO] [stdout] 77cfcd0fbae3ceca8fedbc9cbecd631bd395a37fe342c9a2b5f45a3d5df5af8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a30ea7088dbbd97331bcdb481fb6448757e1f8fe28b1fbabccd4627e36d04163
[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" "a30ea7088dbbd97331bcdb481fb6448757e1f8fe28b1fbabccd4627e36d04163", kill_on_drop: false }`
[INFO] [stderr]    Compiling niffler v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "a30ea7088dbbd97331bcdb481fb6448757e1f8fe28b1fbabccd4627e36d04163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30ea7088dbbd97331bcdb481fb6448757e1f8fe28b1fbabccd4627e36d04163", kill_on_drop: false }`
[INFO] [stdout] a30ea7088dbbd97331bcdb481fb6448757e1f8fe28b1fbabccd4627e36d04163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8bb264c5861604c34fae378a7e1722fbc46beb14caa8ba451dac687e80c589ee
[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" "8bb264c5861604c34fae378a7e1722fbc46beb14caa8ba451dac687e80c589ee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/niffler-17aa90d320c5e30c
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test compression::test::level2u32 ... ok
[INFO] [stdout] test compression::test::level2flate2 ... ok
[INFO] [stdout] test test::compress_uncompress::no_lzma_feature ... ok
[INFO] [stdout] test test::compress_uncompress::no_bzip2_feature ... ok
[INFO] [stdout] test test::compression_format_detection::bzip ... ok
[INFO] [stdout] test test::compression_format_detection::lzma ... ok
[INFO] [stdout] test test::compression_format_detection::gzip ... ok
[INFO] [stdout] test test::compression_format_detection::no_compression ... ok
[INFO] [stderr]    Doc-tests niffler
[INFO] [stdout] test test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test test::compress_uncompress::gzip ... ok
[INFO] [stdout] test test::compression_format_detection::too_short ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - get_reader (line 135) ... ok
[INFO] [stdout] test src/lib.rs - get_writer (line 175) ... ok
[INFO] [stdout] test src/lib.rs - sniff (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/lib.rs - from_path (line 214) ... ok
[INFO] [stdout] test src/lib.rs - to_path (line 244) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8bb264c5861604c34fae378a7e1722fbc46beb14caa8ba451dac687e80c589ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb264c5861604c34fae378a7e1722fbc46beb14caa8ba451dac687e80c589ee", kill_on_drop: false }`
[INFO] [stdout] 8bb264c5861604c34fae378a7e1722fbc46beb14caa8ba451dac687e80c589ee