[INFO] crate vec-arena 0.4.2 is already in cache
[INFO] extracting crate vec-arena 0.4.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/vec-arena/0.4.2
[INFO] extracting crate vec-arena 0.4.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec-arena/0.4.2
[INFO] validating manifest of vec-arena-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 vec-arena-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 vec-arena-0.4.2
[INFO] finished frobbing vec-arena-0.4.2
[INFO] frobbed toml for vec-arena-0.4.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vec-arena/0.4.2/Cargo.toml
[INFO] started frobbing vec-arena-0.4.2
[INFO] finished frobbing vec-arena-0.4.2
[INFO] frobbed toml for vec-arena-0.4.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vec-arena/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vec-arena-0.4.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec-arena/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ffb768bc85a0eff6d00327ac55a976ae6631bd74e7449bbc6ef1b5f2fda07cb5
[INFO] running `"docker" "start" "-a" "ffb768bc85a0eff6d00327ac55a976ae6631bd74e7449bbc6ef1b5f2fda07cb5"`
[INFO] [stderr]    Compiling vec-arena v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "ffb768bc85a0eff6d00327ac55a976ae6631bd74e7449bbc6ef1b5f2fda07cb5"`
[INFO] running `"docker" "rm" "-f" "ffb768bc85a0eff6d00327ac55a976ae6631bd74e7449bbc6ef1b5f2fda07cb5"`
[INFO] [stdout] ffb768bc85a0eff6d00327ac55a976ae6631bd74e7449bbc6ef1b5f2fda07cb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec-arena/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a1ef80f190419c508e237c0e243a7ef984445d4d0c90809cd9cb372c88f2d7d
[INFO] running `"docker" "start" "-a" "9a1ef80f190419c508e237c0e243a7ef984445d4d0c90809cd9cb372c88f2d7d"`
[INFO] [stderr]    Compiling vec-arena v0.4.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "9a1ef80f190419c508e237c0e243a7ef984445d4d0c90809cd9cb372c88f2d7d"`
[INFO] running `"docker" "rm" "-f" "9a1ef80f190419c508e237c0e243a7ef984445d4d0c90809cd9cb372c88f2d7d"`
[INFO] [stdout] 9a1ef80f190419c508e237c0e243a7ef984445d4d0c90809cd9cb372c88f2d7d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vec-arena/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 78852746bbc2c87dda9ca27e54412e87d23192735d215c5a5a56308ffb7cb46c
[INFO] running `"docker" "start" "-a" "78852746bbc2c87dda9ca27e54412e87d23192735d215c5a5a56308ffb7cb46c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vec_arena-3f87ca43adff33b5
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::invalid_remove ... ok
[INFO] [stdout] test tests::indexing ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::reserve_exact ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::iter_mut ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::reserve ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::indexing_vacant ... ok
[INFO] [stdout] test tests::invalid_indexing ... ok
[INFO] [stderr]    Doc-tests vec-arena
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::capacity (line 164) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get_mut (line 363) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get (line 338) ... ok
[INFO] [stdout] test src/lib.rs - Arena (line 79) ... ok
[INFO] [stdout] test src/lib.rs - Arena (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 313) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get_unchecked (line 390) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::get_unchecked_mut (line 415) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 199) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::insert (line 244) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 112) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::remove (line 279) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 519) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::reserve (line 473) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::reserve_exact (line 499) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::next_vacant (line 218) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 179) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 541) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::shrink_to_fit (line 570) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::with_capacity (line 133) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::swap (line 442) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "78852746bbc2c87dda9ca27e54412e87d23192735d215c5a5a56308ffb7cb46c"`
[INFO] running `"docker" "rm" "-f" "78852746bbc2c87dda9ca27e54412e87d23192735d215c5a5a56308ffb7cb46c"`
[INFO] [stdout] 78852746bbc2c87dda9ca27e54412e87d23192735d215c5a5a56308ffb7cb46c