[INFO] crate slab 0.4.2 is already in cache
[INFO] extracting crate slab 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/slab/0.4.2
[INFO] extracting crate slab 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slab/0.4.2
[INFO] validating manifest of slab-0.4.2 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 slab-0.4.2 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 slab-0.4.2
[INFO] finished frobbing slab-0.4.2
[INFO] frobbed toml for slab-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/slab/0.4.2/Cargo.toml
[INFO] started frobbing slab-0.4.2
[INFO] finished frobbing slab-0.4.2
[INFO] frobbed toml for slab-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slab/0.4.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slab-0.4.2 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-4/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/slab/0.4.2:/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] 77af1fe1ff2834d4aac41068ae970574aa54647b7cd975a1633c98ca11836570
[INFO] running `"docker" "start" "-a" "77af1fe1ff2834d4aac41068ae970574aa54647b7cd975a1633c98ca11836570"`
[INFO] [stderr]    Compiling slab v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "77af1fe1ff2834d4aac41068ae970574aa54647b7cd975a1633c98ca11836570"`
[INFO] running `"docker" "rm" "-f" "77af1fe1ff2834d4aac41068ae970574aa54647b7cd975a1633c98ca11836570"`
[INFO] [stdout] 77af1fe1ff2834d4aac41068ae970574aa54647b7cd975a1633c98ca11836570
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/slab/0.4.2:/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] eb3d273816856639e377c161c2d9f74c140f57b869bbc84b45abd5ff86fbc125
[INFO] running `"docker" "start" "-a" "eb3d273816856639e377c161c2d9f74c140f57b869bbc84b45abd5ff86fbc125"`
[INFO] [stderr]    Compiling slab v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "eb3d273816856639e377c161c2d9f74c140f57b869bbc84b45abd5ff86fbc125"`
[INFO] running `"docker" "rm" "-f" "eb3d273816856639e377c161c2d9f74c140f57b869bbc84b45abd5ff86fbc125"`
[INFO] [stdout] eb3d273816856639e377c161c2d9f74c140f57b869bbc84b45abd5ff86fbc125
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/slab/0.4.2:/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] 4728ace6826006d560b193e253f5cfa6c710fb155f7105f42580d9092450c23e
[INFO] running `"docker" "start" "-a" "4728ace6826006d560b193e253f5cfa6c710fb155f7105f42580d9092450c23e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slab-04f41fde6f9c069f
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slab-d8eeae1ecaa0865b
[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] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test insert_get_many ... ok
[INFO] [stdout] test get_vacant_entry_without_using ... ok
[INFO] [stdout] test fully_consumed_drain ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test insert_get_remove_many ... ok
[INFO] [stdout] test insert_get_remove_one ... ok
[INFO] [stdout] test insert_with_vacant_entry ... ok
[INFO] [stdout] test iter_mut ... ok
[INFO] [stdout] test partially_consumed_drain ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test reserve_exact_does_not_allocate_if_available ... ok
[INFO] [stdout] test retain ... ok
[INFO] [stdout] test slab_get_mut ... ok
[INFO] [stdout] test reserve_does_not_allocate_if_available ... ok
[INFO] [stdout] test double_remove_panics ... ok
[INFO] [stdout] test invalid_get_panics ... ok
[INFO] [stdout] test invalid_remove_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slab
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test src/lib.rs - Slab<T>::get (line 484) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::contains (line 688) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::clear (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::capacity (line 238) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::drain (line 757) ... ok
[INFO] [stdout] test src/lib.rs -  (line 42) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked (line 530) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_mut (line 506) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::get_unchecked_mut (line 553) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::is_empty (line 402) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::insert (line 584) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter_mut (line 454) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::len (line 384) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::iter (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::new (line 191) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::remove (line 657) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve (line 266) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::reserve_exact (line 300) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::retain (line 717) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::shrink_to_fit (line 340) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::insert (line 875) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::vacant_entry (line 606) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry (line 141) ... ok
[INFO] [stdout] test src/lib.rs - VacantEntry::key (line 905) ... ok
[INFO] [stdout] test src/lib.rs - Slab<T>::with_capacity (line 211) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4728ace6826006d560b193e253f5cfa6c710fb155f7105f42580d9092450c23e"`
[INFO] running `"docker" "rm" "-f" "4728ace6826006d560b193e253f5cfa6c710fb155f7105f42580d9092450c23e"`
[INFO] [stdout] 4728ace6826006d560b193e253f5cfa6c710fb155f7105f42580d9092450c23e