Dec 17 19:26:09.138 INFO checking mokeyish/rust_housework against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 17 19:26:09.138 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 19:26:09.705 INFO [stdout] 0a5fb6438e43a57b61c88be6fbba6d66be64aced4168ac438a7111b6b24066fe Dec 17 19:26:09.707 INFO running `"docker" "start" "-a" "0a5fb6438e43a57b61c88be6fbba6d66be64aced4168ac438a7111b6b24066fe"` Dec 17 19:26:12.688 INFO [stderr] warning: custom registry support via the `registry.index` configuration is being removed, this functionality will not work in the future Dec 17 19:26:12.744 INFO [stderr] Checking num-traits v0.2.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:12.752 INFO [stderr] Checking libc v0.2.40 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:12.753 INFO [stderr] Checking rustc-serialize v0.3.24 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:12.753 INFO [stderr] Compiling unicode-xid v0.0.4 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:12.753 INFO [stderr] Compiling quote v0.3.15 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:13.810 INFO [stderr] Checking synom v0.11.3 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:15.478 INFO [stderr] Checking syn v0.11.11 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:18.569 INFO [stderr] Checking rand v0.4.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:20.140 INFO [stderr] Checking num-integer v0.1.36 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:21.627 INFO [stderr] Checking num-iter v0.1.35 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:22.693 INFO [stderr] Checking hello-world-derive v0.1.0 (/opt/crater/workdir/crates/hello-world-derive) Dec 17 19:26:28.368 INFO [stderr] Checking num-bigint v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:28.368 INFO [stderr] Checking num-complex v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:30.964 INFO [stderr] Checking num-rational v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:31.603 INFO [stderr] Checking num v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:31.836 INFO [stderr] Checking rust_housework v0.1.0 (/opt/crater/workdir) Dec 17 19:26:32.209 INFO [stderr] warning: unused `#[macro_use]` import Dec 17 19:26:32.210 INFO [stderr] --> src/lib.rs:7:1 Dec 17 19:26:32.210 INFO [stderr] | Dec 17 19:26:32.210 INFO [stderr] 7 | #[macro_use] Dec 17 19:26:32.210 INFO [stderr] | ^^^^^^^^^^^^ Dec 17 19:26:32.210 INFO [stderr] | Dec 17 19:26:32.210 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 19:26:32.210 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: struct is never constructed: `A` Dec 17 19:26:32.393 INFO [stderr] --> src/generic.rs:2:1 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 2 | struct A { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: method is never used: `generic_function` Dec 17 19:26:32.393 INFO [stderr] --> src/generic.rs:7:5 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 7 | fn generic_function(&self, arg: T) -> T { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: function is never used: `log` Dec 17 19:26:32.393 INFO [stderr] --> src/any.rs:5:1 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 5 | fn log(value: &T) { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: function is never used: `do_work` Dec 17 19:26:32.393 INFO [stderr] --> src/any.rs:31:1 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 31 | fn do_work(value: &T) { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: enum is never used: `BinaryTree` Dec 17 19:26:32.393 INFO [stderr] --> src/binary_tree.rs:3:1 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 3 | enum BinaryTree { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.393 INFO [stderr] warning: method is never used: `insert` Dec 17 19:26:32.393 INFO [stderr] --> src/binary_tree.rs:8:5 Dec 17 19:26:32.393 INFO [stderr] | Dec 17 19:26:32.393 INFO [stderr] 8 | fn insert(&mut self, v: u32) -> bool { Dec 17 19:26:32.393 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:32.393 INFO [stderr] Dec 17 19:26:32.644 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.00s Dec 17 19:26:34.173 INFO running `"docker" "inspect" "0a5fb6438e43a57b61c88be6fbba6d66be64aced4168ac438a7111b6b24066fe"` Dec 17 19:26:34.550 INFO running `"docker" "rm" "-f" "0a5fb6438e43a57b61c88be6fbba6d66be64aced4168ac438a7111b6b24066fe"` Dec 17 19:26:34.870 INFO [stdout] 0a5fb6438e43a57b61c88be6fbba6d66be64aced4168ac438a7111b6b24066fe