[INFO] crate holyhashmap 0.1.2 is already in cache
[INFO] extracting crate holyhashmap 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/holyhashmap/0.1.2
[INFO] extracting crate holyhashmap 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/holyhashmap/0.1.2
[INFO] validating manifest of holyhashmap-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of holyhashmap-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing holyhashmap-0.1.2
[INFO] finished frobbing holyhashmap-0.1.2
[INFO] frobbed toml for holyhashmap-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/holyhashmap/0.1.2/Cargo.toml
[INFO] started frobbing holyhashmap-0.1.2
[INFO] finished frobbing holyhashmap-0.1.2
[INFO] frobbed toml for holyhashmap-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/holyhashmap/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing holyhashmap-0.1.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/holyhashmap/0.1.2:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 29dc171d20ada583997cb192a89fd76cc7a8fcfcf1bbb0a2b0a62d04e0b6db7e
[INFO] running `"docker" "start" "-a" "29dc171d20ada583997cb192a89fd76cc7a8fcfcf1bbb0a2b0a62d04e0b6db7e"`
[INFO] [stderr]    Compiling holyhashmap v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:676:21
[INFO] [stderr]     |
[INFO] [stderr] 676 |                 let mut candidate = &mut self.buckets[index];
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "29dc171d20ada583997cb192a89fd76cc7a8fcfcf1bbb0a2b0a62d04e0b6db7e"`
[INFO] running `"docker" "rm" "-f" "29dc171d20ada583997cb192a89fd76cc7a8fcfcf1bbb0a2b0a62d04e0b6db7e"`
[INFO] [stdout] 29dc171d20ada583997cb192a89fd76cc7a8fcfcf1bbb0a2b0a62d04e0b6db7e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/holyhashmap/0.1.2:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c9379bdf61835685e31625e776db5e402944e41ed03831f6cffd4c9467452af
[INFO] running `"docker" "start" "-a" "2c9379bdf61835685e31625e776db5e402944e41ed03831f6cffd4c9467452af"`
[INFO] [stderr]    Compiling holyhashmap v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:676:21
[INFO] [stderr]     |
[INFO] [stderr] 676 |                 let mut candidate = &mut self.buckets[index];
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.51s
[INFO] running `"docker" "inspect" "2c9379bdf61835685e31625e776db5e402944e41ed03831f6cffd4c9467452af"`
[INFO] running `"docker" "rm" "-f" "2c9379bdf61835685e31625e776db5e402944e41ed03831f6cffd4c9467452af"`
[INFO] [stdout] 2c9379bdf61835685e31625e776db5e402944e41ed03831f6cffd4c9467452af
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/holyhashmap/0.1.2:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 240fe359937ea2b9aa2b01bbd05357ad0626ce7a5bb3652442afc6cb5d4b2585
[INFO] running `"docker" "start" "-a" "240fe359937ea2b9aa2b01bbd05357ad0626ce7a5bb3652442afc6cb5d4b2585"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/holyhashmap-d0bc2c07e74e68c8
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_create_capacity_zero ... ok
[INFO] [stdout] test test::test_empty_entry ... ok
[INFO] [stdout] test test::test_empty_remove ... ok
[INFO] [stdout] test test::test_empty_iter ... ok
[INFO] [stdout] test test::test_entry_index ... ok
[INFO] [stdout] test test::test_entry ... ok
[INFO] [stdout] test test::test_extend_ref ... ok
[INFO] [stdout] test test::test_find ... ok
[INFO] [stdout] test test::test_from_iter ... ok
[INFO] [stdout] test test::test_index ... ok
[INFO] [stdout] test test::test_indices ... ok
[INFO] [stdout] test test::test_insert ... ok
[INFO] [stdout] test test::test_drops ... ok
[INFO] [stdout] test test::test_iter_len ... ok
[INFO] [stdout] test test::test_occupied_entry_key ... ok
[INFO] [stdout] test test::test_size_hint ... ok
[INFO] [stdout] test test::test_iterate ... ok
[INFO] [stdout] test test::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test test::test_into_iter_drops ... ok
[INFO] [stdout] test test::test_remove_index ... ok
[INFO] [stdout] test test::test_zero_capacities ... ok
[INFO] [stdout] test test::test_vacant_entry_key ... ok
[INFO] [stdout] test test::test_index_nonexistent ... ok
[INFO] [stdout] test test::test_lots_of_insertions ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quickcheck-a7a0b2fae2747a6c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test contains ... ok
[INFO] [stdout] test contains_not ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests holyhashmap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "240fe359937ea2b9aa2b01bbd05357ad0626ce7a5bb3652442afc6cb5d4b2585"`
[INFO] running `"docker" "rm" "-f" "240fe359937ea2b9aa2b01bbd05357ad0626ce7a5bb3652442afc6cb5d4b2585"`
[INFO] [stdout] 240fe359937ea2b9aa2b01bbd05357ad0626ce7a5bb3652442afc6cb5d4b2585