Dec 18 08:52:19.621 INFO checking zookeeper-0.5.5 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:52:19.621 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/zookeeper/0.5.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:52:20.018 INFO [stdout] 3dd5857f7b0cd66effb6e15d2d6a39111166700c6d99ea6dc5c034b7a60cb2fe
Dec 18 08:52:20.021 INFO running `"docker" "start" "-a" "3dd5857f7b0cd66effb6e15d2d6a39111166700c6d99ea6dc5c034b7a60cb2fe"`
Dec 18 08:52:21.747 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 18 08:52:21.747 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 18 08:52:21.747 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 18 08:52:21.747 INFO [stderr] files will be included as a test target:
Dec 18 08:52:21.747 INFO [stderr] 
Dec 18 08:52:21.747 INFO [stderr] * /opt/crater/workdir/tests/test_zk.rs
Dec 18 08:52:21.747 INFO [stderr] * /opt/crater/workdir/tests/test_recursive.rs
Dec 18 08:52:21.747 INFO [stderr] * /opt/crater/workdir/tests/test_cache.rs
Dec 18 08:52:21.747 INFO [stderr] 
Dec 18 08:52:21.747 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 18 08:52:21.747 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 18 08:52:21.747 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 18 08:52:21.747 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 18 08:52:21.747 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 18 08:52:21.747 INFO [stderr] 
Dec 18 08:52:21.747 INFO [stderr] For more information on this warning you can consult
Dec 18 08:52:21.747 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 18 08:52:21.852 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 18 08:52:25.654 INFO [stderr]    Compiling quote v0.6.10
Dec 18 08:52:26.686 INFO [stderr]    Compiling syn v0.14.9
Dec 18 08:52:32.829 INFO [stderr]    Compiling zookeeper_derive v0.4.0
Dec 18 08:52:34.200 INFO [stderr]     Checking zookeeper v0.5.5 (/opt/crater/workdir)
Dec 18 08:52:35.752 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 18 08:52:35.752 INFO [stderr]   --> src/recipes/cache.rs:41:5
Dec 18 08:52:35.752 INFO [stderr]    |
Dec 18 08:52:35.752 INFO [stderr] 41 |     Shutdown,
Dec 18 08:52:35.752 INFO [stderr]    |     ^^^^^^^^
Dec 18 08:52:35.753 INFO [stderr]    |
Dec 18 08:52:35.753 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:52:35.753 INFO [stderr] 
Dec 18 08:52:36.100 INFO [stderr] warning: variant is never constructed: `Shutdown`
Dec 18 08:52:36.100 INFO [stderr]   --> src/recipes/cache.rs:41:5
Dec 18 08:52:36.100 INFO [stderr]    |
Dec 18 08:52:36.100 INFO [stderr] 41 |     Shutdown,
Dec 18 08:52:36.100 INFO [stderr]    |     ^^^^^^^^
Dec 18 08:52:36.100 INFO [stderr]    |
Dec 18 08:52:36.100 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:52:36.100 INFO [stderr] 
Dec 18 08:52:36.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.24s
Dec 18 08:52:37.226 INFO running `"docker" "inspect" "3dd5857f7b0cd66effb6e15d2d6a39111166700c6d99ea6dc5c034b7a60cb2fe"`
Dec 18 08:52:37.328 INFO running `"docker" "rm" "-f" "3dd5857f7b0cd66effb6e15d2d6a39111166700c6d99ea6dc5c034b7a60cb2fe"`
Dec 18 08:52:37.413 INFO [stdout] 3dd5857f7b0cd66effb6e15d2d6a39111166700c6d99ea6dc5c034b7a60cb2fe