Dec 17 20:44:34.807 INFO checking liamlmy/Web-Crawler against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:44:34.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/liamlmy/Web-Crawler:/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 20:44:35.319 INFO [stdout] 6e07d5bfa77317b6b8ff2162a359de8916872a041efeed18f5f0cb0ffa69c912
Dec 17 20:44:35.321 INFO running `"docker" "start" "-a" "6e07d5bfa77317b6b8ff2162a359de8916872a041efeed18f5f0cb0ffa69c912"`
Dec 17 20:44:38.078 INFO [stderr]    Compiling gcc v0.3.47
Dec 17 20:44:38.078 INFO [stderr]    Compiling openssl v0.9.12
Dec 17 20:44:38.089 INFO [stderr]     Checking bit-vec v0.4.3
Dec 17 20:44:38.089 INFO [stderr]     Checking httparse v1.2.2
Dec 17 20:44:38.091 INFO [stderr]     Checking unicode-bidi v0.3.2
Dec 17 20:44:38.091 INFO [stderr]     Checking utf-8 v0.6.0
Dec 17 20:44:38.096 INFO [stderr]     Checking mime v0.2.4
Dec 17 20:44:38.108 INFO [stderr]    Compiling hyper v0.10.10
Dec 17 20:44:39.976 INFO [stderr]    Compiling string_cache v0.2.29
Dec 17 20:44:40.264 INFO [stderr]    Compiling html5ever v0.5.4
Dec 17 20:44:40.468 INFO [stderr]     Checking tendril v0.2.4
Dec 17 20:44:41.877 INFO [stderr]     Checking bit-set v0.4.0
Dec 17 20:44:42.664 INFO [stderr]     Checking idna v0.1.2
Dec 17 20:44:45.780 INFO [stderr]    Compiling openssl-sys v0.9.12
Dec 17 20:44:46.804 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 17 20:44:52.726 INFO [stderr]     Checking url v1.4.0
Dec 17 20:45:03.020 INFO [stderr]     Checking native-tls v0.1.2
Dec 17 20:45:04.300 INFO [stderr]     Checking hyper-native-tls v0.2.2
Dec 17 20:45:05.984 INFO [stderr]     Checking select v0.3.0
Dec 17 20:45:11.600 INFO [stderr]     Checking backtrace v0.3.2
Dec 17 20:45:11.953 INFO [stderr]     Checking error-chain v0.8.1
Dec 17 20:45:12.448 INFO [stderr]     Checking bb v0.1.0 (/opt/crater/workdir)
Dec 17 20:45:13.392 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 20:45:13.392 INFO [stderr]   --> src/error.rs:5:1
Dec 17 20:45:13.392 INFO [stderr]    |
Dec 17 20:45:13.392 INFO [stderr] 5  | / error_chain!{
Dec 17 20:45:13.392 INFO [stderr] 6  | |     foreign_links {
Dec 17 20:45:13.392 INFO [stderr] 7  | |         Io(::std::io::Error);
Dec 17 20:45:13.392 INFO [stderr] 8  | |         Hyper(::hyper::Error);
Dec 17 20:45:13.392 INFO [stderr] ...  |
Dec 17 20:45:13.392 INFO [stderr] 21 | |     }
Dec 17 20:45:13.392 INFO [stderr] 22 | | }
Dec 17 20:45:13.392 INFO [stderr]    | |_^
Dec 17 20:45:13.392 INFO [stderr]    |
Dec 17 20:45:13.392 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 20:45:13.392 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 20:45:13.392 INFO [stderr] 
Dec 17 20:45:13.392 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 20:45:13.392 INFO [stderr]   --> src/error.rs:5:1
Dec 17 20:45:13.392 INFO [stderr]    |
Dec 17 20:45:13.392 INFO [stderr] 5  | / error_chain!{
Dec 17 20:45:13.392 INFO [stderr] 6  | |     foreign_links {
Dec 17 20:45:13.392 INFO [stderr] 7  | |         Io(::std::io::Error);
Dec 17 20:45:13.392 INFO [stderr] 8  | |         Hyper(::hyper::Error);
Dec 17 20:45:13.392 INFO [stderr] ...  |
Dec 17 20:45:13.392 INFO [stderr] 21 | |     }
Dec 17 20:45:13.392 INFO [stderr] 22 | | }
Dec 17 20:45:13.392 INFO [stderr]    | |_^
Dec 17 20:45:13.392 INFO [stderr]    |
Dec 17 20:45:13.392 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 20:45:13.392 INFO [stderr] 
Dec 17 20:45:13.532 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 20:45:13.532 INFO [stderr]   --> src/error.rs:5:1
Dec 17 20:45:13.533 INFO [stderr]    |
Dec 17 20:45:13.533 INFO [stderr] 5  | / error_chain!{
Dec 17 20:45:13.533 INFO [stderr] 6  | |     foreign_links {
Dec 17 20:45:13.533 INFO [stderr] 7  | |         Io(::std::io::Error);
Dec 17 20:45:13.533 INFO [stderr] 8  | |         Hyper(::hyper::Error);
Dec 17 20:45:13.533 INFO [stderr] ...  |
Dec 17 20:45:13.533 INFO [stderr] 21 | |     }
Dec 17 20:45:13.534 INFO [stderr] 22 | | }
Dec 17 20:45:13.534 INFO [stderr]    | |_^
Dec 17 20:45:13.534 INFO [stderr]    |
Dec 17 20:45:13.534 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 20:45:13.534 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 20:45:13.534 INFO [stderr] 
Dec 17 20:45:13.534 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 20:45:13.534 INFO [stderr]   --> src/error.rs:5:1
Dec 17 20:45:13.534 INFO [stderr]    |
Dec 17 20:45:13.535 INFO [stderr] 5  | / error_chain!{
Dec 17 20:45:13.535 INFO [stderr] 6  | |     foreign_links {
Dec 17 20:45:13.535 INFO [stderr] 7  | |         Io(::std::io::Error);
Dec 17 20:45:13.535 INFO [stderr] 8  | |         Hyper(::hyper::Error);
Dec 17 20:45:13.535 INFO [stderr] ...  |
Dec 17 20:45:13.535 INFO [stderr] 21 | |     }
Dec 17 20:45:13.535 INFO [stderr] 22 | | }
Dec 17 20:45:13.535 INFO [stderr]    | |_^
Dec 17 20:45:13.539 INFO [stderr]    |
Dec 17 20:45:13.539 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 17 20:45:13.539 INFO [stderr] 
Dec 17 20:45:13.685 INFO [stderr] warning: function is never used: `sync_pop_url`
Dec 17 20:45:13.685 INFO [stderr]   --> src/function.rs:27:1
Dec 17 20:45:13.685 INFO [stderr]    |
Dec 17 20:45:13.685 INFO [stderr] 27 | pub fn sync_pop_url(queue: &Arc<Mutex<VecDeque<Url>>>) -> Option<Url> {
Dec 17 20:45:13.685 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:45:13.685 INFO [stderr]    |
Dec 17 20:45:13.685 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 20:45:13.685 INFO [stderr] 
Dec 17 20:45:13.685 INFO [stderr] warning: method is never used: `check_empty`
Dec 17 20:45:13.685 INFO [stderr]   --> src/crawler.rs:58:2
Dec 17 20:45:13.685 INFO [stderr]    |
Dec 17 20:45:13.685 INFO [stderr] 58 |     pub fn check_empty(&self) -> bool {
Dec 17 20:45:13.685 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:45:13.685 INFO [stderr] 
Dec 17 20:45:13.685 INFO [stderr] warning: method is never used: `pop`
Dec 17 20:45:13.685 INFO [stderr]   --> src/crawler.rs:63:2
Dec 17 20:45:13.685 INFO [stderr]    |
Dec 17 20:45:13.685 INFO [stderr] 63 |     pub fn pop(&self) -> Option<Url> {
Dec 17 20:45:13.685 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:45:13.685 INFO [stderr] 
Dec 17 20:45:13.685 INFO [stderr] warning: method is never used: `push`
Dec 17 20:45:13.685 INFO [stderr]   --> src/crawler.rs:67:2
Dec 17 20:45:13.685 INFO [stderr]    |
Dec 17 20:45:13.685 INFO [stderr] 67 |     pub fn push(&self, url: Url) -> Result<()> {
Dec 17 20:45:13.685 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:45:13.685 INFO [stderr] 
Dec 17 20:45:13.748 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.85s
Dec 17 20:45:14.372 INFO running `"docker" "inspect" "6e07d5bfa77317b6b8ff2162a359de8916872a041efeed18f5f0cb0ffa69c912"`
Dec 17 20:45:14.596 INFO running `"docker" "rm" "-f" "6e07d5bfa77317b6b8ff2162a359de8916872a041efeed18f5f0cb0ffa69c912"`
Dec 17 20:45:14.891 INFO [stdout] 6e07d5bfa77317b6b8ff2162a359de8916872a041efeed18f5f0cb0ffa69c912