Dec 18 16:57:29.188 INFO checking dolphin-0.1.0-alpha.1 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:57:29.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/dolphin/0.1.0-alpha.1:/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 18 16:57:29.552 INFO [stdout] 8f1c7b2dffd30cd191b31e802b8920c1a96618865c555d803083cbb94ea15793
Dec 18 16:57:29.555 INFO running `"docker" "start" "-a" "8f1c7b2dffd30cd191b31e802b8920c1a96618865c555d803083cbb94ea15793"`
Dec 18 16:57:30.890 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 18 16:57:31.210 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 18 16:57:31.798 INFO [stderr]     Checking dolphin v0.1.0-alpha.1 (/opt/crater/workdir)
Dec 18 16:57:32.791 INFO [stderr] warning: method is never used: `dec_progress`
Dec 18 16:57:32.791 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 18 16:57:32.791 INFO [stderr]      |
Dec 18 16:57:32.791 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 18 16:57:32.791 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.791 INFO [stderr]      |
Dec 18 16:57:32.791 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 16:57:32.791 INFO [stderr] 
Dec 18 16:57:32.791 INFO [stderr] warning: method is never used: `is_key`
Dec 18 16:57:32.791 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 18 16:57:32.791 INFO [stderr]      |
Dec 18 16:57:32.791 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 18 16:57:32.791 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.791 INFO [stderr] 
Dec 18 16:57:32.791 INFO [stderr] warning: method is never used: `is_value`
Dec 18 16:57:32.791 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 18 16:57:32.791 INFO [stderr]      |
Dec 18 16:57:32.791 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 18 16:57:32.791 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.791 INFO [stderr] 
Dec 18 16:57:32.791 INFO [stderr] warning: method is never used: `moving_hash`
Dec 18 16:57:32.791 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 18 16:57:32.791 INFO [stderr]      |
Dec 18 16:57:32.791 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 18 16:57:32.792 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.792 INFO [stderr] 
Dec 18 16:57:32.792 INFO [stderr] warning: method is never used: `value`
Dec 18 16:57:32.792 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 18 16:57:32.792 INFO [stderr]      |
Dec 18 16:57:32.792 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 18 16:57:32.792 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.792 INFO [stderr] 
Dec 18 16:57:32.872 INFO [stderr] warning: method is never used: `dec_progress`
Dec 18 16:57:32.872 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 18 16:57:32.872 INFO [stderr]      |
Dec 18 16:57:32.872 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 18 16:57:32.872 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.872 INFO [stderr]      |
Dec 18 16:57:32.872 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 16:57:32.872 INFO [stderr] 
Dec 18 16:57:32.872 INFO [stderr] warning: method is never used: `is_key`
Dec 18 16:57:32.872 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 18 16:57:32.872 INFO [stderr]      |
Dec 18 16:57:32.872 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 18 16:57:32.872 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.872 INFO [stderr] 
Dec 18 16:57:32.872 INFO [stderr] warning: method is never used: `is_value`
Dec 18 16:57:32.872 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 18 16:57:32.872 INFO [stderr]      |
Dec 18 16:57:32.872 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 18 16:57:32.872 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.872 INFO [stderr] 
Dec 18 16:57:32.872 INFO [stderr] warning: method is never used: `moving_hash`
Dec 18 16:57:32.872 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 18 16:57:32.873 INFO [stderr]      |
Dec 18 16:57:32.873 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 18 16:57:32.873 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.873 INFO [stderr] 
Dec 18 16:57:32.873 INFO [stderr] warning: method is never used: `value`
Dec 18 16:57:32.873 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 18 16:57:32.873 INFO [stderr]      |
Dec 18 16:57:32.873 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 18 16:57:32.873 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.873 INFO [stderr] 
Dec 18 16:57:32.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
Dec 18 16:57:33.298 INFO running `"docker" "inspect" "8f1c7b2dffd30cd191b31e802b8920c1a96618865c555d803083cbb94ea15793"`
Dec 18 16:57:33.442 INFO running `"docker" "rm" "-f" "8f1c7b2dffd30cd191b31e802b8920c1a96618865c555d803083cbb94ea15793"`
Dec 18 16:57:33.606 INFO [stdout] 8f1c7b2dffd30cd191b31e802b8920c1a96618865c555d803083cbb94ea15793