Nov 30 00:02:20.357 INFO checking kingswanwho/Crawler against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:02:20.357 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 00:02:20.938 INFO [stdout] 24a920bce7fcdb2bb30069a67a9d804373b65b2ee5cdcbd9602c5b9a0e7d90bc
Nov 30 00:02:20.948 INFO running `"docker" "start" "-a" "24a920bce7fcdb2bb30069a67a9d804373b65b2ee5cdcbd9602c5b9a0e7d90bc"`
Nov 30 00:02:21.996 INFO [stderr] usermod: no changes
Nov 30 00:02:22.263 INFO [stderr]    Compiling backtrace-sys v0.1.11
Nov 30 00:02:22.264 INFO [stderr]    Compiling string_cache v0.2.29
Nov 30 00:02:22.265 INFO [stderr]    Compiling html5ever v0.5.4
Nov 30 00:02:22.265 INFO [stderr]     Checking tendril v0.2.4
Nov 30 00:02:41.018 INFO [stderr]     Checking select v0.3.0
Nov 30 00:02:44.829 INFO [stderr]     Checking backtrace v0.3.2
Nov 30 00:02:45.409 INFO [stderr]     Checking error-chain v0.8.1
Nov 30 00:02:46.087 INFO [stderr]     Checking bb v0.1.0 (/source)
Nov 30 00:02:48.672 INFO [stderr] warning: function is never used: `sync_pop_url`
Nov 30 00:02:48.672 INFO [stderr]   --> src/function.rs:25:1
Nov 30 00:02:48.672 INFO [stderr]    |
Nov 30 00:02:48.672 INFO [stderr] 25 | pub fn sync_pop_url(queue: &Arc<Mutex<VecDeque<Url>>>) -> Option<Url> {
Nov 30 00:02:48.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:02:48.672 INFO [stderr]    |
Nov 30 00:02:48.672 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 00:02:48.672 INFO [stderr] 
Nov 30 00:02:48.673 INFO [stderr] warning: method is never used: `check_empty`
Nov 30 00:02:48.673 INFO [stderr]   --> src/crawler.rs:58:2
Nov 30 00:02:48.673 INFO [stderr]    |
Nov 30 00:02:48.673 INFO [stderr] 58 |     pub fn check_empty(&self) -> bool {
Nov 30 00:02:48.673 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:02:48.673 INFO [stderr] 
Nov 30 00:02:48.673 INFO [stderr] warning: method is never used: `pop`
Nov 30 00:02:48.673 INFO [stderr]   --> src/crawler.rs:63:2
Nov 30 00:02:48.673 INFO [stderr]    |
Nov 30 00:02:48.673 INFO [stderr] 63 |     pub fn pop(&self) -> Option<Url> {
Nov 30 00:02:48.673 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:02:48.673 INFO [stderr] 
Nov 30 00:02:48.674 INFO [stderr] warning: method is never used: `push`
Nov 30 00:02:48.674 INFO [stderr]   --> src/crawler.rs:67:2
Nov 30 00:02:48.674 INFO [stderr]    |
Nov 30 00:02:48.674 INFO [stderr] 67 |     pub fn push(&self, url: Url) -> Result<()> {
Nov 30 00:02:48.675 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:02:48.675 INFO [stderr] 
Nov 30 00:02:48.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.96s
Nov 30 00:02:49.003 INFO [stderr] su: No module specific data is present
Nov 30 00:02:50.775 INFO running `"docker" "inspect" "24a920bce7fcdb2bb30069a67a9d804373b65b2ee5cdcbd9602c5b9a0e7d90bc"`
Nov 30 00:02:51.172 INFO running `"docker" "rm" "-f" "24a920bce7fcdb2bb30069a67a9d804373b65b2ee5cdcbd9602c5b9a0e7d90bc"`
Nov 30 00:02:51.544 INFO [stdout] 24a920bce7fcdb2bb30069a67a9d804373b65b2ee5cdcbd9602c5b9a0e7d90bc