Dec 18 16:57:29.628 INFO checking dolphin-0.1.0-alpha.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:57:29.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:57:30.038 INFO [stdout] f03e281be0c1893f54d341a69d83289848de259d83b6b4b6d4fc7e64638f496f
Dec 18 16:57:30.046 INFO running `"docker" "start" "-a" "f03e281be0c1893f54d341a69d83289848de259d83b6b4b6d4fc7e64638f496f"`
Dec 18 16:57:31.056 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 18 16:57:31.389 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 18 16:57:31.954 INFO [stderr]     Checking dolphin v0.1.0-alpha.1 (/opt/crater/workdir)
Dec 18 16:57:32.992 INFO [stderr] warning: method is never used: `dec_progress`
Dec 18 16:57:32.992 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 18 16:57:32.992 INFO [stderr]      |
Dec 18 16:57:32.992 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 18 16:57:32.992 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.992 INFO [stderr]      |
Dec 18 16:57:32.992 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 16:57:32.992 INFO [stderr] 
Dec 18 16:57:32.992 INFO [stderr] warning: method is never used: `is_key`
Dec 18 16:57:32.992 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 18 16:57:32.992 INFO [stderr]      |
Dec 18 16:57:32.992 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 18 16:57:32.992 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.992 INFO [stderr] 
Dec 18 16:57:32.992 INFO [stderr] warning: method is never used: `is_value`
Dec 18 16:57:32.992 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 18 16:57:32.992 INFO [stderr]      |
Dec 18 16:57:32.992 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 18 16:57:32.992 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.992 INFO [stderr] 
Dec 18 16:57:32.992 INFO [stderr] warning: method is never used: `moving_hash`
Dec 18 16:57:32.993 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 18 16:57:32.993 INFO [stderr]      |
Dec 18 16:57:32.993 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 18 16:57:32.993 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.993 INFO [stderr] 
Dec 18 16:57:32.993 INFO [stderr] warning: method is never used: `value`
Dec 18 16:57:32.993 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 18 16:57:32.993 INFO [stderr]      |
Dec 18 16:57:32.993 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 18 16:57:32.993 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:32.993 INFO [stderr] 
Dec 18 16:57:33.016 INFO [stderr] warning: method is never used: `dec_progress`
Dec 18 16:57:33.016 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 18 16:57:33.016 INFO [stderr]      |
Dec 18 16:57:33.016 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 18 16:57:33.016 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:33.016 INFO [stderr]      |
Dec 18 16:57:33.016 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 18 16:57:33.016 INFO [stderr] 
Dec 18 16:57:33.016 INFO [stderr] warning: method is never used: `is_key`
Dec 18 16:57:33.016 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 18 16:57:33.016 INFO [stderr]      |
Dec 18 16:57:33.016 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 18 16:57:33.016 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:33.016 INFO [stderr] 
Dec 18 16:57:33.017 INFO [stderr] warning: method is never used: `is_value`
Dec 18 16:57:33.017 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 18 16:57:33.017 INFO [stderr]      |
Dec 18 16:57:33.017 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 18 16:57:33.017 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:33.017 INFO [stderr] 
Dec 18 16:57:33.017 INFO [stderr] warning: method is never used: `moving_hash`
Dec 18 16:57:33.017 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 18 16:57:33.017 INFO [stderr]      |
Dec 18 16:57:33.017 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 18 16:57:33.017 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:33.017 INFO [stderr] 
Dec 18 16:57:33.017 INFO [stderr] warning: method is never used: `value`
Dec 18 16:57:33.017 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 18 16:57:33.017 INFO [stderr]      |
Dec 18 16:57:33.017 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 18 16:57:33.017 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:57:33.017 INFO [stderr] 
Dec 18 16:57:33.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
Dec 18 16:57:33.452 INFO running `"docker" "inspect" "f03e281be0c1893f54d341a69d83289848de259d83b6b4b6d4fc7e64638f496f"`
Dec 18 16:57:33.682 INFO running `"docker" "rm" "-f" "f03e281be0c1893f54d341a69d83289848de259d83b6b4b6d4fc7e64638f496f"`
Dec 18 16:57:33.948 INFO [stdout] f03e281be0c1893f54d341a69d83289848de259d83b6b4b6d4fc7e64638f496f