Dec 19 12:28:22.654 INFO checking mokeyish/rust_housework against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:28:22.654 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mokeyish/rust_housework:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:28:22.984 INFO [stdout] cb71fb3d0ded74b9774d27c40db3caaef0f925308ec94926ab32ca781552d367
Dec 19 12:28:22.986 INFO running `"docker" "start" "-a" "cb71fb3d0ded74b9774d27c40db3caaef0f925308ec94926ab32ca781552d367"`
Dec 19 12:28:24.832 INFO [stderr] warning: custom registry support via the `registry.index` configuration is being removed, this functionality will not work in the future
Dec 19 12:28:24.856 INFO [stderr]     Checking libc v0.2.40 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:24.856 INFO [stderr]     Checking num-traits v0.2.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:24.856 INFO [stderr]     Checking rustc-serialize v0.3.24 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:24.856 INFO [stderr]    Compiling unicode-xid v0.0.4 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:24.856 INFO [stderr]    Compiling quote v0.3.15 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:25.649 INFO [stderr]     Checking synom v0.11.3 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:26.812 INFO [stderr]     Checking syn v0.11.11 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:27.932 INFO [stderr]     Checking rand v0.4.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:28.660 INFO [stderr]     Checking num-integer v0.1.36 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:29.147 INFO [stderr]     Checking num-iter v0.1.35 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:29.804 INFO [stderr]     Checking hello-world-derive v0.1.0 (/opt/crater/workdir/crates/hello-world-derive)
Dec 19 12:28:31.119 INFO [stderr]     Checking num-bigint v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:31.120 INFO [stderr]     Checking num-complex v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:33.642 INFO [stderr]     Checking num-rational v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:34.124 INFO [stderr]     Checking num v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`)
Dec 19 12:28:34.242 INFO [stderr]     Checking rust_housework v0.1.0 (/opt/crater/workdir)
Dec 19 12:28:34.404 INFO [stderr] warning: unused `#[macro_use]` import
Dec 19 12:28:34.404 INFO [stderr]  --> src/lib.rs:7:1
Dec 19 12:28:34.451 INFO [stderr]   |
Dec 19 12:28:34.471 INFO [stderr] 7 | #[macro_use]
Dec 19 12:28:34.471 INFO [stderr]   | ^^^^^^^^^^^^
Dec 19 12:28:34.471 INFO [stderr]   |
Dec 19 12:28:34.471 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:28:34.471 INFO [stderr] 
Dec 19 12:28:34.503 INFO [stderr] warning: struct is never constructed: `A`
Dec 19 12:28:34.503 INFO [stderr]  --> src/generic.rs:2:1
Dec 19 12:28:34.503 INFO [stderr]   |
Dec 19 12:28:34.503 INFO [stderr] 2 | struct A {
Dec 19 12:28:34.503 INFO [stderr]   | ^^^^^^^^
Dec 19 12:28:34.503 INFO [stderr]   |
Dec 19 12:28:34.503 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 12:28:34.503 INFO [stderr] 
Dec 19 12:28:34.525 INFO [stderr] warning: method is never used: `generic_function`
Dec 19 12:28:34.525 INFO [stderr]  --> src/generic.rs:7:5
Dec 19 12:28:34.525 INFO [stderr]   |
Dec 19 12:28:34.525 INFO [stderr] 7 |     fn generic_function<T>(&self, arg: T) -> T {
Dec 19 12:28:34.525 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:28:34.525 INFO [stderr] 
Dec 19 12:28:34.525 INFO [stderr] warning: function is never used: `log`
Dec 19 12:28:34.525 INFO [stderr]  --> src/any.rs:5:1
Dec 19 12:28:34.525 INFO [stderr]   |
Dec 19 12:28:34.525 INFO [stderr] 5 | fn log<T: Any + Debug>(value: &T) {
Dec 19 12:28:34.525 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:28:34.525 INFO [stderr] 
Dec 19 12:28:34.525 INFO [stderr] warning: function is never used: `do_work`
Dec 19 12:28:34.525 INFO [stderr]   --> src/any.rs:31:1
Dec 19 12:28:34.525 INFO [stderr]    |
Dec 19 12:28:34.525 INFO [stderr] 31 | fn do_work<T: Any + Debug>(value: &T) {
Dec 19 12:28:34.525 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:28:34.525 INFO [stderr] 
Dec 19 12:28:34.525 INFO [stderr] warning: enum is never used: `BinaryTree`
Dec 19 12:28:34.525 INFO [stderr]  --> src/binary_tree.rs:3:1
Dec 19 12:28:34.525 INFO [stderr]   |
Dec 19 12:28:34.525 INFO [stderr] 3 | enum BinaryTree {
Dec 19 12:28:34.525 INFO [stderr]   | ^^^^^^^^^^^^^^^
Dec 19 12:28:34.525 INFO [stderr] 
Dec 19 12:28:34.525 INFO [stderr] warning: method is never used: `insert`
Dec 19 12:28:34.525 INFO [stderr]  --> src/binary_tree.rs:8:5
Dec 19 12:28:34.525 INFO [stderr]   |
Dec 19 12:28:34.526 INFO [stderr] 8 |     fn insert(&mut self, v: u32) -> bool {
Dec 19 12:28:34.526 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:28:34.526 INFO [stderr] 
Dec 19 12:28:34.725 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.91s
Dec 19 12:28:34.982 INFO running `"docker" "inspect" "cb71fb3d0ded74b9774d27c40db3caaef0f925308ec94926ab32ca781552d367"`
Dec 19 12:28:35.076 INFO running `"docker" "rm" "-f" "cb71fb3d0ded74b9774d27c40db3caaef0f925308ec94926ab32ca781552d367"`
Dec 19 12:28:35.190 INFO [stdout] cb71fb3d0ded74b9774d27c40db3caaef0f925308ec94926ab32ca781552d367