Dec 17 19:26:04.178 INFO checking mokeyish/rust_housework against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252 Dec 17 19:26:04.178 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 19:26:04.567 INFO [stdout] 14122be8c361c45aee8a1eb84269eb143a7ad5f7b195aaf8d2556544903145ca Dec 17 19:26:04.574 INFO running `"docker" "start" "-a" "14122be8c361c45aee8a1eb84269eb143a7ad5f7b195aaf8d2556544903145ca"` Dec 17 19:26:06.478 INFO [stderr] warning: custom registry support via the `registry.index` configuration is being removed, this functionality will not work in the future Dec 17 19:26:06.524 INFO [stderr] Checking libc v0.2.40 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:06.525 INFO [stderr] Checking num-traits v0.2.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:06.525 INFO [stderr] Compiling unicode-xid v0.0.4 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:06.525 INFO [stderr] Checking rustc-serialize v0.3.24 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:06.525 INFO [stderr] Compiling quote v0.3.15 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:07.107 INFO [stderr] Checking synom v0.11.3 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:08.080 INFO [stderr] Checking syn v0.11.11 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:10.300 INFO [stderr] Checking rand v0.4.2 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:12.392 INFO [stderr] Checking num-integer v0.1.36 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:14.083 INFO [stderr] Checking num-iter v0.1.35 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:14.658 INFO [stderr] Checking hello-world-derive v0.1.0 (/opt/crater/workdir/crates/hello-world-derive) Dec 17 19:26:19.789 INFO [stderr] Checking num-bigint v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:19.793 INFO [stderr] Checking num-complex v0.1.43 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:22.842 INFO [stderr] Checking num-rational v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:23.487 INFO [stderr] Checking num v0.1.42 (registry `https://mirrors.ustc.edu.cn/crates.io-index/`) Dec 17 19:26:23.757 INFO [stderr] Checking rust_housework v0.1.0 (/opt/crater/workdir) Dec 17 19:26:24.077 INFO [stderr] warning: unused `#[macro_use]` import Dec 17 19:26:24.078 INFO [stderr] --> src/lib.rs:7:1 Dec 17 19:26:24.078 INFO [stderr] | Dec 17 19:26:24.078 INFO [stderr] 7 | #[macro_use] Dec 17 19:26:24.078 INFO [stderr] | ^^^^^^^^^^^^ Dec 17 19:26:24.078 INFO [stderr] | Dec 17 19:26:24.078 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 19:26:24.078 INFO [stderr] Dec 17 19:26:24.300 INFO [stderr] warning: struct is never constructed: `A` Dec 17 19:26:24.300 INFO [stderr] --> src/generic.rs:2:1 Dec 17 19:26:24.300 INFO [stderr] | Dec 17 19:26:24.300 INFO [stderr] 2 | struct A { Dec 17 19:26:24.300 INFO [stderr] | ^^^^^^^^ Dec 17 19:26:24.301 INFO [stderr] | Dec 17 19:26:24.301 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 17 19:26:24.301 INFO [stderr] Dec 17 19:26:24.301 INFO [stderr] warning: method is never used: `generic_function` Dec 17 19:26:24.301 INFO [stderr] --> src/generic.rs:7:5 Dec 17 19:26:24.301 INFO [stderr] | Dec 17 19:26:24.301 INFO [stderr] 7 | fn generic_function(&self, arg: T) -> T { Dec 17 19:26:24.301 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:24.301 INFO [stderr] Dec 17 19:26:24.301 INFO [stderr] warning: function is never used: `log` Dec 17 19:26:24.301 INFO [stderr] --> src/any.rs:5:1 Dec 17 19:26:24.301 INFO [stderr] | Dec 17 19:26:24.301 INFO [stderr] 5 | fn log(value: &T) { Dec 17 19:26:24.302 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:24.302 INFO [stderr] Dec 17 19:26:24.302 INFO [stderr] warning: function is never used: `do_work` Dec 17 19:26:24.302 INFO [stderr] --> src/any.rs:31:1 Dec 17 19:26:24.302 INFO [stderr] | Dec 17 19:26:24.302 INFO [stderr] 31 | fn do_work(value: &T) { Dec 17 19:26:24.302 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:24.302 INFO [stderr] Dec 17 19:26:24.302 INFO [stderr] warning: enum is never used: `BinaryTree` Dec 17 19:26:24.302 INFO [stderr] --> src/binary_tree.rs:3:1 Dec 17 19:26:24.302 INFO [stderr] | Dec 17 19:26:24.302 INFO [stderr] 3 | enum BinaryTree { Dec 17 19:26:24.302 INFO [stderr] | ^^^^^^^^^^^^^^^ Dec 17 19:26:24.302 INFO [stderr] Dec 17 19:26:24.302 INFO [stderr] warning: method is never used: `insert` Dec 17 19:26:24.302 INFO [stderr] --> src/binary_tree.rs:8:5 Dec 17 19:26:24.302 INFO [stderr] | Dec 17 19:26:24.303 INFO [stderr] 8 | fn insert(&mut self, v: u32) -> bool { Dec 17 19:26:24.303 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 19:26:24.303 INFO [stderr] Dec 17 19:26:24.568 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.13s Dec 17 19:26:26.404 INFO running `"docker" "inspect" "14122be8c361c45aee8a1eb84269eb143a7ad5f7b195aaf8d2556544903145ca"` Dec 17 19:26:26.650 INFO running `"docker" "rm" "-f" "14122be8c361c45aee8a1eb84269eb143a7ad5f7b195aaf8d2556544903145ca"` Dec 17 19:26:27.013 INFO [stdout] 14122be8c361c45aee8a1eb84269eb143a7ad5f7b195aaf8d2556544903145ca