[INFO] fetching crate niffler 2.0.1...
[INFO] testing niffler-2.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate niffler 2.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate niffler 2.0.1 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate niffler 2.0.1
[INFO] finished tweaking crates.io crate niffler 2.0.1
[INFO] tweaked toml for crates.io crate niffler 2.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08aefcdc3a009229fe8428471f03ea9e83d73525312db870fc9da950fdeec7c3
[INFO] running `"docker" "start" "-a" "08aefcdc3a009229fe8428471f03ea9e83d73525312db870fc9da950fdeec7c3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling niffler v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.92s
[INFO] running `"docker" "inspect" "08aefcdc3a009229fe8428471f03ea9e83d73525312db870fc9da950fdeec7c3"`
[INFO] running `"docker" "rm" "-f" "08aefcdc3a009229fe8428471f03ea9e83d73525312db870fc9da950fdeec7c3"`
[INFO] [stdout] 08aefcdc3a009229fe8428471f03ea9e83d73525312db870fc9da950fdeec7c3
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 925ad84dfd6f2ec9b92ab1e47110bdebaa6639f6a401ec01c0b359882266d26e
[INFO] running `"docker" "start" "-a" "925ad84dfd6f2ec9b92ab1e47110bdebaa6639f6a401ec01c0b359882266d26e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling niffler v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `"docker" "inspect" "925ad84dfd6f2ec9b92ab1e47110bdebaa6639f6a401ec01c0b359882266d26e"`
[INFO] running `"docker" "rm" "-f" "925ad84dfd6f2ec9b92ab1e47110bdebaa6639f6a401ec01c0b359882266d26e"`
[INFO] [stdout] 925ad84dfd6f2ec9b92ab1e47110bdebaa6639f6a401ec01c0b359882266d26e
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1acdff6ad6480552f63b3f2c5837b54539934019aa64c6e9157a9d7d5cd7d24a
[INFO] running `"docker" "start" "-a" "1acdff6ad6480552f63b3f2c5837b54539934019aa64c6e9157a9d7d5cd7d24a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/niffler-d3a9195de5e68a78
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test compression::test::compression_format_detection::too_short ... ok
[INFO] [stderr]    Doc-tests niffler
[INFO] [stdout] test compression::test::level2flate2 ... ok
[INFO] [stdout] test compression::test::level2u32 ... ok
[INFO] [stdout] test test::compress_uncompress::no_bzip2_feature ... ok
[INFO] [stdout] test test::compress_uncompress::no_compression ... ok
[INFO] [stdout] test compression::test::compression_format_detection::gzip ... ok
[INFO] [stdout] test compression::test::compression_format_detection::bzip ... ok
[INFO] [stdout] test compression::test::compression_format_detection::no_compression ... ok
[INFO] [stdout] test test::compress_uncompress::no_lzma_feature ... ok
[INFO] [stdout] test compression::test::compression_format_detection::lzma ... ok
[INFO] [stdout] test test::compress_uncompress::gzip ... 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 5 tests
[INFO] [stdout] test src/lib.rs - get_reader (line 76) ... ok
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs - get_writer (line 117) ... ok
[INFO] [stdout] test src/lib.rs - to_path (line 185) ... ok
[INFO] [stdout] test src/lib.rs - from_path (line 157) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1acdff6ad6480552f63b3f2c5837b54539934019aa64c6e9157a9d7d5cd7d24a"`
[INFO] running `"docker" "rm" "-f" "1acdff6ad6480552f63b3f2c5837b54539934019aa64c6e9157a9d7d5cd7d24a"`
[INFO] [stdout] 1acdff6ad6480552f63b3f2c5837b54539934019aa64c6e9157a9d7d5cd7d24a