Dec 12 15:43:33.767 INFO checking dolphin-0.1.0-alpha.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 15:43:33.768 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 12 15:43:34.150 INFO [stdout] b7e47b0b4bcf41a1e200f8357d8acfe717b6ccd63e5b36b558ff593e6e50651a
Dec 12 15:43:34.152 INFO running `"docker" "start" "-a" "b7e47b0b4bcf41a1e200f8357d8acfe717b6ccd63e5b36b558ff593e6e50651a"`
Dec 12 15:43:36.388 INFO [stderr] usermod: no changes
Dec 12 15:43:36.656 INFO [stderr]     Checking crossbeam-utils v0.5.0
Dec 12 15:43:37.496 INFO [stderr]     Checking crossbeam-epoch v0.5.2
Dec 12 15:43:38.432 INFO [stderr]     Checking dolphin v0.1.0-alpha.1 (/source)
Dec 12 15:43:41.596 INFO [stderr] warning: method is never used: `dec_progress`
Dec 12 15:43:41.596 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 12 15:43:41.596 INFO [stderr]      |
Dec 12 15:43:41.596 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 12 15:43:41.596 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:41.596 INFO [stderr]      |
Dec 12 15:43:41.596 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 12 15:43:41.597 INFO [stderr] 
Dec 12 15:43:41.597 INFO [stderr] warning: method is never used: `is_key`
Dec 12 15:43:41.597 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 12 15:43:41.597 INFO [stderr]      |
Dec 12 15:43:41.597 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 12 15:43:41.597 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:41.597 INFO [stderr] 
Dec 12 15:43:41.597 INFO [stderr] warning: method is never used: `is_value`
Dec 12 15:43:41.597 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 12 15:43:41.597 INFO [stderr]      |
Dec 12 15:43:41.597 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 12 15:43:41.597 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:41.597 INFO [stderr] 
Dec 12 15:43:41.597 INFO [stderr] warning: method is never used: `moving_hash`
Dec 12 15:43:41.597 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 12 15:43:41.597 INFO [stderr]      |
Dec 12 15:43:41.597 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 12 15:43:41.597 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:41.597 INFO [stderr] 
Dec 12 15:43:41.597 INFO [stderr] warning: method is never used: `value`
Dec 12 15:43:41.597 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 12 15:43:41.597 INFO [stderr]      |
Dec 12 15:43:41.597 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 12 15:43:41.597 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:41.597 INFO [stderr] 
Dec 12 15:43:42.204 INFO [stderr] warning: method is never used: `dec_progress`
Dec 12 15:43:42.205 INFO [stderr]     --> src/containers/hash_map.rs:1433:5
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr] 1433 |     fn dec_progress(&self) {
Dec 12 15:43:42.205 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr]      = note: #[warn(dead_code)] on by default
Dec 12 15:43:42.205 INFO [stderr] 
Dec 12 15:43:42.205 INFO [stderr] warning: method is never used: `is_key`
Dec 12 15:43:42.205 INFO [stderr]     --> src/containers/hash_map.rs:1755:5
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr] 1755 |     fn is_key(&self) -> bool {
Dec 12 15:43:42.205 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:42.205 INFO [stderr] 
Dec 12 15:43:42.205 INFO [stderr] warning: method is never used: `is_value`
Dec 12 15:43:42.205 INFO [stderr]     --> src/containers/hash_map.rs:1811:5
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr] 1811 |     fn is_value(&self) -> bool {
Dec 12 15:43:42.205 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:42.205 INFO [stderr] 
Dec 12 15:43:42.205 INFO [stderr] warning: method is never used: `moving_hash`
Dec 12 15:43:42.205 INFO [stderr]     --> src/containers/hash_map.rs:1819:5
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr] 1819 |     fn moving_hash(&self) -> Option<u64> {
Dec 12 15:43:42.205 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:42.205 INFO [stderr] 
Dec 12 15:43:42.205 INFO [stderr] warning: method is never used: `value`
Dec 12 15:43:42.205 INFO [stderr]     --> src/containers/hash_map.rs:1826:5
Dec 12 15:43:42.205 INFO [stderr]      |
Dec 12 15:43:42.205 INFO [stderr] 1826 |     fn value(&self) -> Option<&V> {
Dec 12 15:43:42.205 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 15:43:42.205 INFO [stderr] 
Dec 12 15:43:42.222 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.80s
Dec 12 15:43:42.233 INFO [stderr] su: No module specific data is present
Dec 12 15:43:42.822 INFO running `"docker" "inspect" "b7e47b0b4bcf41a1e200f8357d8acfe717b6ccd63e5b36b558ff593e6e50651a"`
Dec 12 15:43:43.158 INFO running `"docker" "rm" "-f" "b7e47b0b4bcf41a1e200f8357d8acfe717b6ccd63e5b36b558ff593e6e50651a"`
Dec 12 15:43:43.524 INFO [stdout] b7e47b0b4bcf41a1e200f8357d8acfe717b6ccd63e5b36b558ff593e6e50651a