[INFO] fetching crate rustc-serialize2 0.3.25...
[INFO] extracting crate rustc-serialize2 0.3.25 into work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-serialize2/0.3.25
[INFO] extracting crate rustc-serialize2 0.3.25 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-serialize2/0.3.25
[INFO] validating manifest of rustc-serialize2-0.3.25 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 rustc-serialize2-0.3.25 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 rustc-serialize2-0.3.25
[INFO] finished frobbing rustc-serialize2-0.3.25
[INFO] frobbed toml for rustc-serialize2-0.3.25 written to work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-serialize2/0.3.25/Cargo.toml
[INFO] started frobbing rustc-serialize2-0.3.25
[INFO] finished frobbing rustc-serialize2-0.3.25
[INFO] frobbed toml for rustc-serialize2-0.3.25 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/rustc-serialize2/0.3.25/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 rustc-serialize2-0.3.25 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-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-serialize2/0.3.25:/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] 6f866a75f9c01bd3d8baa0dee993380d53624cb53396f89227af82987187ed38
[INFO] running `"docker" "start" "-a" "6f866a75f9c01bd3d8baa0dee993380d53624cb53396f89227af82987187ed38"`
[INFO] [stderr]    Compiling rustc-serialize2 v0.3.25 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `"docker" "inspect" "6f866a75f9c01bd3d8baa0dee993380d53624cb53396f89227af82987187ed38"`
[INFO] running `"docker" "rm" "-f" "6f866a75f9c01bd3d8baa0dee993380d53624cb53396f89227af82987187ed38"`
[INFO] [stdout] 6f866a75f9c01bd3d8baa0dee993380d53624cb53396f89227af82987187ed38
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-serialize2/0.3.25:/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] d5e62c61bbccb7e0e0b0bed287b2a258cacda7af0c3257ce61073620ff21d52e
[INFO] running `"docker" "start" "-a" "d5e62c61bbccb7e0e0b0bed287b2a258cacda7af0c3257ce61073620ff21d52e"`
[INFO] [stderr]    Compiling rustc-serialize2 v0.3.25 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `"docker" "inspect" "d5e62c61bbccb7e0e0b0bed287b2a258cacda7af0c3257ce61073620ff21d52e"`
[INFO] running `"docker" "rm" "-f" "d5e62c61bbccb7e0e0b0bed287b2a258cacda7af0c3257ce61073620ff21d52e"`
[INFO] [stdout] d5e62c61bbccb7e0e0b0bed287b2a258cacda7af0c3257ce61073620ff21d52e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/rustc-serialize2/0.3.25:/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] 49a9b302e83dda2c1e855e44419c6215d6ee64388dec2dcd3995a1497352905e
[INFO] running `"docker" "start" "-a" "49a9b302e83dda2c1e855e44419c6215d6ee64388dec2dcd3995a1497352905e"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 98 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustc_serialize-3ce021e6f8c3d551
[INFO] [stdout] test base64::tests::test_from_base64_basic ... ok
[INFO] [stdout] test base64::tests::test_from_base64_bytes ... ok
[INFO] [stdout] test base64::tests::test_from_base64_invalid_char ... ok
[INFO] [stdout] test base64::tests::test_from_base64_invalid_padding ... ok
[INFO] [stdout] test base64::tests::test_from_base64_urlsafe ... ok
[INFO] [stdout] test base64::tests::test_from_base64_newlines ... ok
[INFO] [stdout] test base64::tests::test_to_base64_basic ... ok
[INFO] [stdout] test base64::tests::test_to_base64_empty_line_length ... ok
[INFO] [stdout] test base64::tests::test_to_base64_padding ... ok
[INFO] [stdout] test base64::tests::test_to_base64_url_safe ... ok
[INFO] [stdout] test base64::tests::test_to_base64_lf_line_break ... ok
[INFO] [stdout] test hex::tests::test_from_hex_okay ... ok
[INFO] [stdout] test hex::tests::test_to_hex_all_bytes ... ok
[INFO] [stdout] test json::tests::fixed_length_array ... ok
[INFO] [stdout] test hex::tests::test_from_hex_all_bytes ... ok
[INFO] [stdout] test json::tests::test_as_array ... ok
[INFO] [stdout] test hex::tests::test_from_hex_ignores_whitespace ... ok
[INFO] [stdout] test json::tests::test_as_boolean ... ok
[INFO] [stdout] test json::tests::test_as_f64 ... ok
[INFO] [stdout] test hex::tests::test_from_hex_invalid_char ... ok
[INFO] [stdout] test base64::tests::test_to_base64_crlf_line_break ... ok
[INFO] [stdout] test hex::tests::test_from_hex_odd_len ... ok
[INFO] [stdout] test hex::tests::test_to_hex ... ok
[INFO] [stdout] test json::tests::test_as_u64 ... ok
[INFO] [stdout] test json::tests::test_as_null ... ok
[INFO] [stdout] test json::tests::test_as_string ... ok
[INFO] [stdout] test json::tests::test_bad_json_stack_depleted ... ok
[INFO] [stdout] test json::tests::test_decode_array ... ok
[INFO] [stdout] test json::tests::test_as_i64 ... ok
[INFO] [stdout] test json::tests::test_decode_enum ... ok
[INFO] [stdout] test json::tests::test_decode_errors_enum ... ok
[INFO] [stdout] test json::tests::test_decode_numbers ... ok
[INFO] [stdout] test json::tests::test_decode_errors_struct ... ok
[INFO] [stdout] test json::tests::test_decode_identifiers ... ok
[INFO] [stdout] test json::tests::test_decode_map ... ok
[INFO] [stdout] test json::tests::test_decode_option ... ok
[INFO] [stdout] test json::tests::test_decode_option_malformed ... ok
[INFO] [stdout] test json::tests::test_decode_option_none ... ok
[INFO] [stdout] test json::tests::test_decode_option_some ... ok
[INFO] [stdout] test json::tests::test_decode_tuple_malformed_length ... ok
[INFO] [stdout] test json::tests::test_decode_result ... ok
[INFO] [stdout] test json::tests::test_decode_tuple_malformed_types ... ok
[INFO] [stdout] test json::tests::test_decode_str ... ok
[INFO] [stdout] test json::tests::test_decode_struct_with_nan ... ok
[INFO] [stdout] test json::tests::test_encode_decode_phantom_data ... ok
[INFO] [stdout] test json::tests::test_decode_struct ... ok
[INFO] [stdout] test json::tests::test_decode_tuple ... ok
[INFO] [stdout] test json::tests::test_find ... ok
[INFO] [stdout] test json::tests::test_find_path ... ok
[INFO] [stdout] test json::tests::test_hashmap_with_enum_key ... ok
[INFO] [stdout] test json::tests::test_hashmap_with_numeric_key_can_handle_double_quote_delimited_key ... ok
[INFO] [stdout] test json::tests::test_encode_hashmap_with_numeric_key ... ok
[INFO] [stdout] test json::tests::test_encode_hashmap_with_arbitrary_key ... ok
[INFO] [stdout] test json::tests::test_hashmap_with_numeric_key_will_error_with_string_keys ... ok
[INFO] [stdout] test json::tests::test_from_str_trait ... ok
[INFO] [stdout] test json::tests::test_is_i64 ... ok
[INFO] [stdout] test json::tests::test_is_boolean ... ok
[INFO] [stdout] test json::tests::test_is_f64 ... ok
[INFO] [stdout] test json::tests::test_is_array ... ok
[INFO] [stdout] test json::tests::test_as_object ... ok
[INFO] [stdout] test json::tests::test_index ... ok
[INFO] [stdout] test json::tests::test_is_u64 ... ok
[INFO] [stdout] test json::tests::test_is_null ... ok
[INFO] [stdout] test json::tests::test_multiline_errors ... ok
[INFO] [stdout] test json::tests::test_is_number ... ok
[INFO] [stdout] test json::tests::test_negative_zero ... ok
[INFO] [stdout] test json::tests::test_is_object ... ok
[INFO] [stdout] test json::tests::test_is_string ... ok
[INFO] [stdout] test json::tests::test_prettyencode_hashmap_with_numeric_key ... ok
[INFO] [stdout] test json::tests::test_read_array ... ok
[INFO] [stdout] test json::tests::test_read_object_streaming ... ok
[INFO] [stdout] test json::tests::test_prettyencoder_indent_level_param ... ok
[INFO] [stdout] test json::tests::test_read_identifiers ... ok
[INFO] [stdout] test json::tests::test_search ... ok
[INFO] [stdout] test json::tests::test_read_identifiers_streaming ... ok
[INFO] [stdout] test json::tests::test_stack ... ok
[INFO] [stdout] test json::tests::test_read_array_streaming ... ok
[INFO] [stdout] test json::tests::test_read_number ... ok
[INFO] [stdout] test json::tests::test_unexpected_token ... ok
[INFO] [stdout] test json::tests::test_streaming_parser ... ok
[INFO] [stdout] test json::tests::test_trailing_characters ... ok
[INFO] [stdout] test json::tests::test_trailing_characters_streaming ... ok
[INFO] [stdout] test json::tests::test_write_array ... ok
[INFO] [stdout] test json::tests::test_read_str ... ok
[INFO] [stdout] test json::tests::test_to_json ... ok
[INFO] [stdout] test json::tests::test_write_char ... ok
[INFO] [stdout] test json::tests::test_write_enum ... ok
[INFO] [stdout] test json::tests::test_write_none ... ok
[INFO] [stdout] test json::tests::test_write_null ... ok
[INFO] [stdout] test json::tests::test_write_f64 ... ok
[INFO] [stdout] test json::tests::test_write_i64 ... ok
[INFO] [stdout] test json::tests::test_read_object ... ok
[INFO] [stdout] test json::tests::test_write_bool ... ok
[INFO] [stdout] test json::tests::test_write_object ... ok
[INFO] [stdout] test json::tests::test_write_str ... ok
[INFO] [stdout] test json::tests::test_write_some ... ok
[INFO] [stdout] test serialize::capacity_rules ... ok
[INFO] [stdout] test base64::tests::test_base64_random ... ok
[INFO] [stderr]    Doc-tests rustc_serialize
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 98 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/hex.rs - hex::str::from_hex (line 118) ... ok
[INFO] [stdout] test src/json.rs - json (line 42) ... ignored
[INFO] [stdout] test src/hex.rs - hex::[u8]::to_hex (line 37) ... ok
[INFO] [stdout] test src/base64.rs - base64::DECODE_TABLE (line 338) ... ok
[INFO] [stdout] test src/base64.rs - base64::str::from_base64 (line 256) ... ok
[INFO] [stdout] test src/base64.rs - base64::[u8]::to_base64 (line 87) ... ok
[INFO] [stdout] test src/lib.rs -  (line 33) ... ok
[INFO] [stdout] test src/json.rs - json (line 120) ... ok
[INFO] [stdout] test src/json.rs - json (line 201) ... ok
[INFO] [stdout] test src/json.rs - json (line 159) ... ok
[INFO] [stdout] test src/json.rs - json (line 85) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Decodable (line 886) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::DecoderHelpers::read_to_vec (line 1532) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Decodable (line 873) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encodable (line 831) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encodable (line 818) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encoder::emit_enum_variant (line 135) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encoder::emit_enum_struct_variant (line 204) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::EncoderHelpers::emit_from_vec (line 1477) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encoder::emit_tuple_struct (line 341) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encoder::emit_map (line 443) ... ok
[INFO] [stdout] test src/serialize.rs - serialize::Encoder::emit_struct (line 268) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "49a9b302e83dda2c1e855e44419c6215d6ee64388dec2dcd3995a1497352905e"`
[INFO] running `"docker" "rm" "-f" "49a9b302e83dda2c1e855e44419c6215d6ee64388dec2dcd3995a1497352905e"`
[INFO] [stdout] 49a9b302e83dda2c1e855e44419c6215d6ee64388dec2dcd3995a1497352905e