Nov 30 12:25:11.202 INFO checking zookeeper-0.5.5 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 12:25:11.202 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"`
Nov 30 12:25:11.600 INFO [stdout] 3f75aa14e0729bf81cf2b79c4a03add70f941cf2c8b2d1665243d0ea1a33cbd2
Nov 30 12:25:11.602 INFO running `"docker" "start" "-a" "3f75aa14e0729bf81cf2b79c4a03add70f941cf2c8b2d1665243d0ea1a33cbd2"`
Nov 30 12:25:12.989 INFO [stderr] usermod: no changes
Nov 30 12:25:13.056 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Nov 30 12:25:13.056 INFO [stderr] disables Cargo from automatically inferring other test targets.
Nov 30 12:25:13.056 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Nov 30 12:25:13.056 INFO [stderr] files will be included as a test target:
Nov 30 12:25:13.056 INFO [stderr] 
Nov 30 12:25:13.056 INFO [stderr] * /source/tests/test_zk.rs
Nov 30 12:25:13.056 INFO [stderr] * /source/tests/test_recursive.rs
Nov 30 12:25:13.056 INFO [stderr] * /source/tests/test_cache.rs
Nov 30 12:25:13.056 INFO [stderr] 
Nov 30 12:25:13.056 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Nov 30 12:25:13.056 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Nov 30 12:25:13.056 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Nov 30 12:25:13.056 INFO [stderr] section. You may also move the files to a location where Cargo would not
Nov 30 12:25:13.056 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Nov 30 12:25:13.056 INFO [stderr] 
Nov 30 12:25:13.056 INFO [stderr] For more information on this warning you can consult
Nov 30 12:25:13.056 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Nov 30 12:25:13.200 INFO [stderr]    Compiling proc-macro2 v0.4.24
Nov 30 12:25:13.204 INFO [stderr]     Checking mio-extras v2.0.5
Nov 30 12:25:20.601 INFO [stderr]    Compiling quote v0.6.10
Nov 30 12:25:24.459 INFO [stderr]    Compiling syn v0.14.9
Nov 30 12:25:36.593 INFO [stderr]    Compiling zookeeper_derive v0.4.0
Nov 30 12:25:40.878 INFO [stderr]     Checking zookeeper v0.5.5 (/source)
Nov 30 12:25:42.820 INFO [stderr] warning: variant is never constructed: `Shutdown`
Nov 30 12:25:42.820 INFO [stderr]   --> src/recipes/cache.rs:41:5
Nov 30 12:25:42.820 INFO [stderr]    |
Nov 30 12:25:42.820 INFO [stderr] 41 |     Shutdown,
Nov 30 12:25:42.820 INFO [stderr]    |     ^^^^^^^^
Nov 30 12:25:42.820 INFO [stderr]    |
Nov 30 12:25:42.820 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 12:25:42.820 INFO [stderr] 
Nov 30 12:25:42.860 INFO [stderr] warning: variant is never constructed: `Shutdown`
Nov 30 12:25:42.860 INFO [stderr]   --> src/recipes/cache.rs:41:5
Nov 30 12:25:42.860 INFO [stderr]    |
Nov 30 12:25:42.860 INFO [stderr] 41 |     Shutdown,
Nov 30 12:25:42.860 INFO [stderr]    |     ^^^^^^^^
Nov 30 12:25:42.860 INFO [stderr]    |
Nov 30 12:25:42.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 12:25:42.860 INFO [stderr] 
Nov 30 12:25:45.669 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.65s
Nov 30 12:25:45.675 INFO [stderr] su: No module specific data is present
Nov 30 12:25:46.130 INFO running `"docker" "inspect" "3f75aa14e0729bf81cf2b79c4a03add70f941cf2c8b2d1665243d0ea1a33cbd2"`
Nov 30 12:25:46.242 INFO running `"docker" "rm" "-f" "3f75aa14e0729bf81cf2b79c4a03add70f941cf2c8b2d1665243d0ea1a33cbd2"`
Nov 30 12:25:46.448 INFO [stdout] 3f75aa14e0729bf81cf2b79c4a03add70f941cf2c8b2d1665243d0ea1a33cbd2