Dec 06 16:22:52.482 INFO testing zookeeper-0.5.5 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:22:52.482 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 16:22:52.754 INFO [stdout] eda127449cb9481bedc4293055a822c9951603ae6044165fabe2a298ff7356ce
Dec 06 16:22:52.758 INFO running `"docker" "start" "-a" "eda127449cb9481bedc4293055a822c9951603ae6044165fabe2a298ff7356ce"`
Dec 06 16:22:53.754 INFO [stderr] usermod: no changes
Dec 06 16:22:53.817 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 06 16:22:53.817 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 06 16:22:53.817 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 06 16:22:53.817 INFO [stderr] files will be included as a test target:
Dec 06 16:22:53.817 INFO [stderr] 
Dec 06 16:22:53.817 INFO [stderr] * /source/tests/test_zk.rs
Dec 06 16:22:53.817 INFO [stderr] * /source/tests/test_recursive.rs
Dec 06 16:22:53.817 INFO [stderr] * /source/tests/test_cache.rs
Dec 06 16:22:53.817 INFO [stderr] 
Dec 06 16:22:53.817 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 06 16:22:53.817 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 06 16:22:53.817 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 06 16:22:53.817 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 06 16:22:53.817 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 06 16:22:53.817 INFO [stderr] 
Dec 06 16:22:53.817 INFO [stderr] For more information on this warning you can consult
Dec 06 16:22:53.817 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 06 16:22:53.876 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 06 16:22:53.876 INFO [stderr]    Compiling snowflake v1.3.0
Dec 06 16:22:53.876 INFO [stderr]    Compiling mio-extras v2.0.5
Dec 06 16:22:56.836 INFO [stderr]    Compiling quote v0.6.10
Dec 06 16:22:57.969 INFO [stderr]    Compiling syn v0.14.9
Dec 06 16:23:07.055 INFO [stderr]    Compiling zookeeper_derive v0.4.0
Dec 06 16:23:09.179 INFO [stderr]    Compiling zookeeper v0.5.5 (/source)
Dec 06 16:23:10.888 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 06 16:23:10.888 INFO [stderr]   --> src/recipes/cache.rs:41:5
Dec 06 16:23:10.888 INFO [stderr]    |
Dec 06 16:23:10.888 INFO [stderr] 41 |     Shutdown,
Dec 06 16:23:10.888 INFO [stderr]    |     ^^^^^^^^
Dec 06 16:23:10.888 INFO [stderr]    |
Dec 06 16:23:10.888 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 16:23:10.888 INFO [stderr] 
Dec 06 16:23:14.365 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.58s
Dec 06 16:23:14.370 INFO [stderr] su: No module specific data is present
Dec 06 16:23:14.778 INFO running `"docker" "inspect" "eda127449cb9481bedc4293055a822c9951603ae6044165fabe2a298ff7356ce"`
Dec 06 16:23:14.886 INFO running `"docker" "rm" "-f" "eda127449cb9481bedc4293055a822c9951603ae6044165fabe2a298ff7356ce"`
Dec 06 16:23:14.993 INFO [stdout] eda127449cb9481bedc4293055a822c9951603ae6044165fabe2a298ff7356ce
Dec 06 16:23:15.002 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 06 16:23:15.207 INFO [stdout] 224e42c7f51ab4f28d1821fb2e095021f14715b9abbfcd69cfca00f3e55c1c3e
Dec 06 16:23:15.210 INFO running `"docker" "start" "-a" "224e42c7f51ab4f28d1821fb2e095021f14715b9abbfcd69cfca00f3e55c1c3e"`
Dec 06 16:23:15.711 INFO [stderr] usermod: no changes
Dec 06 16:23:15.742 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 06 16:23:15.742 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 06 16:23:15.742 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 06 16:23:15.742 INFO [stderr] files will be included as a test target:
Dec 06 16:23:15.742 INFO [stderr] 
Dec 06 16:23:15.742 INFO [stderr] * /source/tests/test_zk.rs
Dec 06 16:23:15.742 INFO [stderr] * /source/tests/test_recursive.rs
Dec 06 16:23:15.742 INFO [stderr] * /source/tests/test_cache.rs
Dec 06 16:23:15.742 INFO [stderr] 
Dec 06 16:23:15.742 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 06 16:23:15.742 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 06 16:23:15.742 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 06 16:23:15.742 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 06 16:23:15.742 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 06 16:23:15.742 INFO [stderr] 
Dec 06 16:23:15.742 INFO [stderr] For more information on this warning you can consult
Dec 06 16:23:15.742 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 06 16:23:15.820 INFO [stderr]    Compiling env_logger v0.5.13
Dec 06 16:23:17.914 INFO [stderr]    Compiling zookeeper v0.5.5 (/source)
Dec 06 16:23:20.876 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 06 16:23:20.876 INFO [stderr]   --> src/recipes/cache.rs:41:5
Dec 06 16:23:20.876 INFO [stderr]    |
Dec 06 16:23:20.876 INFO [stderr] 41 |     Shutdown,
Dec 06 16:23:20.876 INFO [stderr]    |     ^^^^^^^^
Dec 06 16:23:20.876 INFO [stderr]    |
Dec 06 16:23:20.876 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 06 16:23:20.877 INFO [stderr] 
Dec 06 16:23:26.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
Dec 06 16:23:26.259 INFO [stderr] su: No module specific data is present
Dec 06 16:23:27.050 INFO running `"docker" "inspect" "224e42c7f51ab4f28d1821fb2e095021f14715b9abbfcd69cfca00f3e55c1c3e"`
Dec 06 16:23:27.294 INFO running `"docker" "rm" "-f" "224e42c7f51ab4f28d1821fb2e095021f14715b9abbfcd69cfca00f3e55c1c3e"`
Dec 06 16:23:27.580 INFO [stdout] 224e42c7f51ab4f28d1821fb2e095021f14715b9abbfcd69cfca00f3e55c1c3e