[INFO] crate holyhashmap 0.1.2 is already in cache
[INFO] extracting crate holyhashmap 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/holyhashmap/0.1.2
[INFO] extracting crate holyhashmap 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/holyhashmap/0.1.2
[INFO] validating manifest of holyhashmap-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of holyhashmap-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/holyhashmap/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing holyhashmap-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7da694a728d93726e30728de6da8b528f414739bc8bb35d9bca81c3bf774583e
[INFO] running `"docker" "start" "-a" "7da694a728d93726e30728de6da8b528f414739bc8bb35d9bca81c3bf774583e"`
[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 0.75s
[INFO] running `"docker" "inspect" "7da694a728d93726e30728de6da8b528f414739bc8bb35d9bca81c3bf774583e"`
[INFO] running `"docker" "rm" "-f" "7da694a728d93726e30728de6da8b528f414739bc8bb35d9bca81c3bf774583e"`
[INFO] [stdout] 7da694a728d93726e30728de6da8b528f414739bc8bb35d9bca81c3bf774583e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] edcc46baf48454a37728d29086c9803875391b55e1abe8b4602ef6af910cee80
[INFO] running `"docker" "start" "-a" "edcc46baf48454a37728d29086c9803875391b55e1abe8b4602ef6af910cee80"`
[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 3.93s
[INFO] running `"docker" "inspect" "edcc46baf48454a37728d29086c9803875391b55e1abe8b4602ef6af910cee80"`
[INFO] running `"docker" "rm" "-f" "edcc46baf48454a37728d29086c9803875391b55e1abe8b4602ef6af910cee80"`
[INFO] [stdout] edcc46baf48454a37728d29086c9803875391b55e1abe8b4602ef6af910cee80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ecbfd12557f2470061794a5e3c42523934e284530e60ac3b203b95b20e5f6c5a
[INFO] running `"docker" "start" "-a" "ecbfd12557f2470061794a5e3c42523934e284530e60ac3b203b95b20e5f6c5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/holyhashmap-e36f8eda047ca602
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test test::test_create_capacity_zero ... ok
[INFO] [stdout] test test::test_empty_iter ... ok
[INFO] [stdout] test test::test_empty_remove ... ok
[INFO] [stdout] test test::test_entry ... ok
[INFO] [stdout] test test::test_empty_entry ... ok
[INFO] [stdout] test test::test_entry_index ... ok
[INFO] [stdout] test test::test_clone ... 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_insert ... ok
[INFO] [stdout] test test::test_iter_len ... ok
[INFO] [stdout] test test::test_iterate ... ok
[INFO] [stdout] test test::test_indices ... ok
[INFO] [stdout] test test::test_size_hint ... ok
[INFO] [stdout] test test::test_occupied_entry_key ... ok
[INFO] [stdout] test test::test_remove_index ... ok
[INFO] [stdout] test test::test_capacity_not_less_than_len ... ok
[INFO] [stdout] test test::test_drops ... ok
[INFO] [stdout] test test::test_into_iter_drops ... 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] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/quickcheck-9201004693ee11f8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test contains_not ... ok
[INFO] [stdout] test contains ... 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" "ecbfd12557f2470061794a5e3c42523934e284530e60ac3b203b95b20e5f6c5a"`
[INFO] running `"docker" "rm" "-f" "ecbfd12557f2470061794a5e3c42523934e284530e60ac3b203b95b20e5f6c5a"`
[INFO] [stdout] ecbfd12557f2470061794a5e3c42523934e284530e60ac3b203b95b20e5f6c5a