[INFO] fetching crate zeros 5.2.0...
[INFO] extracting crate zeros 5.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/zeros/5.2.0
[INFO] extracting crate zeros 5.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zeros/5.2.0
[INFO] validating manifest of zeros-5.2.0 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 zeros-5.2.0 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 zeros-5.2.0
[INFO] finished frobbing zeros-5.2.0
[INFO] frobbed toml for zeros-5.2.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/zeros/5.2.0/Cargo.toml
[INFO] started frobbing zeros-5.2.0
[INFO] finished frobbing zeros-5.2.0
[INFO] frobbed toml for zeros-5.2.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zeros/5.2.0/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] 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zeros-5.2.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zeros/5.2.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0efe51fbdcd48adf46a7a473cd26e2ab3e4e4132e7e6c5a1fbaa863064b01a91
[INFO] running `"docker" "start" "-a" "0efe51fbdcd48adf46a7a473cd26e2ab3e4e4132e7e6c5a1fbaa863064b01a91"`
[INFO] [stderr]    Compiling zeros v5.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "0efe51fbdcd48adf46a7a473cd26e2ab3e4e4132e7e6c5a1fbaa863064b01a91"`
[INFO] running `"docker" "rm" "-f" "0efe51fbdcd48adf46a7a473cd26e2ab3e4e4132e7e6c5a1fbaa863064b01a91"`
[INFO] [stdout] 0efe51fbdcd48adf46a7a473cd26e2ab3e4e4132e7e6c5a1fbaa863064b01a91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zeros/5.2.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 34d4eb0558633f19a5fc3baddfeca4d4dffcd9aaf7e58b61b2744943a2b6b940
[INFO] running `"docker" "start" "-a" "34d4eb0558633f19a5fc3baddfeca4d4dffcd9aaf7e58b61b2744943a2b6b940"`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling kib v2.0.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling zeros v5.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `"docker" "inspect" "34d4eb0558633f19a5fc3baddfeca4d4dffcd9aaf7e58b61b2744943a2b6b940"`
[INFO] running `"docker" "rm" "-f" "34d4eb0558633f19a5fc3baddfeca4d4dffcd9aaf7e58b61b2744943a2b6b940"`
[INFO] [stdout] 34d4eb0558633f19a5fc3baddfeca4d4dffcd9aaf7e58b61b2744943a2b6b940
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/zeros/5.2.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d58d24c59ae9c077ec68cbd73400357b13e9ed7a9fb98cfdc1504ad0f8a0fb4d
[INFO] running `"docker" "start" "-a" "d58d24c59ae9c077ec68cbd73400357b13e9ed7a9fb98cfdc1504ad0f8a0fb4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zeros-9538fbe63b260166
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test zeros::test_type_lengths ... ok
[INFO] [stdout] test zeros::test_hex_strs ... ok
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] test zeros::test_dec_strs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/benchmarks-34ed119a37ae8729
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test benchmarks ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zeros-467531bd0c90b042
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test const_constructors ... ok
[INFO] [stdout] test try_from_slices_into_zeros ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test sets ... ok
[INFO] [stdout] test into_string ... ok
[INFO] [stdout] test vecs ... ok
[INFO] [stdout] test try_from_zeros_into_arrays ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zeros
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/zeros.rs - zeros::bytes_to_hex (line 92) ... ok
[INFO] [stdout] test src/zeros.rs - zeros::Zeros::same_class (line 234) ... ok
[INFO] [stdout] test src/zeros.rs - zeros::Zeros (line 149) ... ok
[INFO] [stdout] test src/read_only_zeros.rs - read_only_zeros::ReadOnlyZeros (line 20) ... ok
[INFO] [stdout] test src/zeros.rs - zeros::HEX_STRS (line 53) ... ok
[INFO] [stdout] test src/zeros.rs - zeros::Zeros (line 360) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d58d24c59ae9c077ec68cbd73400357b13e9ed7a9fb98cfdc1504ad0f8a0fb4d"`
[INFO] running `"docker" "rm" "-f" "d58d24c59ae9c077ec68cbd73400357b13e9ed7a9fb98cfdc1504ad0f8a0fb4d"`
[INFO] [stdout] d58d24c59ae9c077ec68cbd73400357b13e9ed7a9fb98cfdc1504ad0f8a0fb4d