[INFO] crate bytecodec 0.4.11 is already in cache
[INFO] extracting crate bytecodec 0.4.11 into work/ex/beta-1.38-1/sources/1.37.0/reg/bytecodec/0.4.11
[INFO] extracting crate bytecodec 0.4.11 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bytecodec/0.4.11
[INFO] validating manifest of bytecodec-0.4.11 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 bytecodec-0.4.11 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 bytecodec-0.4.11
[INFO] finished frobbing bytecodec-0.4.11
[INFO] frobbed toml for bytecodec-0.4.11 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bytecodec/0.4.11/Cargo.toml
[INFO] started frobbing bytecodec-0.4.11
[INFO] finished frobbing bytecodec-0.4.11
[INFO] frobbed toml for bytecodec-0.4.11 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bytecodec/0.4.11/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 bytecodec-0.4.11 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bytecodec/0.4.11:/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] 057968b446ded5b4c1de07bd2d0391bf1ba5e241d74c3dac336e809bddbf7382
[INFO] running `"docker" "start" "-a" "057968b446ded5b4c1de07bd2d0391bf1ba5e241d74c3dac336e809bddbf7382"`
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling bytecodec v0.4.11 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bytes.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let mut bytes = track_assert_some!(self.bytes.as_mut(), ErrorKind::DecoderTerminated);
[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 5.11s
[INFO] running `"docker" "inspect" "057968b446ded5b4c1de07bd2d0391bf1ba5e241d74c3dac336e809bddbf7382"`
[INFO] running `"docker" "rm" "-f" "057968b446ded5b4c1de07bd2d0391bf1ba5e241d74c3dac336e809bddbf7382"`
[INFO] [stdout] 057968b446ded5b4c1de07bd2d0391bf1ba5e241d74c3dac336e809bddbf7382
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bytecodec/0.4.11:/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] 6303c2689e87337452c50c80b25a6a1f397ef0dfb28d7aa1d8c74f3f84f0c59d
[INFO] running `"docker" "start" "-a" "6303c2689e87337452c50c80b25a6a1f397ef0dfb28d7aa1d8c74f3f84f0c59d"`
[INFO] [stderr]    Compiling bytecodec v0.4.11 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bytes.rs:239:17
[INFO] [stderr]     |
[INFO] [stderr] 239 |             let mut bytes = track_assert_some!(self.bytes.as_mut(), ErrorKind::DecoderTerminated);
[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 6.02s
[INFO] running `"docker" "inspect" "6303c2689e87337452c50c80b25a6a1f397ef0dfb28d7aa1d8c74f3f84f0c59d"`
[INFO] running `"docker" "rm" "-f" "6303c2689e87337452c50c80b25a6a1f397ef0dfb28d7aa1d8c74f3f84f0c59d"`
[INFO] [stdout] 6303c2689e87337452c50c80b25a6a1f397ef0dfb28d7aa1d8c74f3f84f0c59d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bytecodec/0.4.11:/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] b290c94c6476a5959c34d20674f4ff6bd9f89f717dc5701f8d8f10c88fe7319f
[INFO] running `"docker" "start" "-a" "b290c94c6476a5959c34d20674f4ff6bd9f89f717dc5701f8d8f10c88fe7319f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bytecodec-e462781ad9c8d7bb
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test byte_count::test::it_works ... ok
[INFO] [stdout] test bytes::test::utf8_encoder_works ... ok
[INFO] [stdout] test combinator::test::and_then_works ... ok
[INFO] [stdout] test combinator::test::collectn_works ... ok
[INFO] [stdout] test combinator::test::decoder_length_works ... ok
[INFO] [stdout] test combinator::test::collect_works ... ok
[INFO] [stdout] test combinator::test::decoder_max_bytes_works ... ok
[INFO] [stdout] test bytes::test::bytes_decoder_works ... ok
[INFO] [stdout] test combinator::test::peekable_works ... ok
[INFO] [stdout] test combinator::test::maybe_eos_works ... ok
[INFO] [stdout] test encode::test::encode_into_bytes_works ... ok
[INFO] [stdout] test fixnum::test::fixnum_works ... ok
[INFO] [stdout] test io::test::decode_from_read_buf_works ... ok
[INFO] [stdout] test io::test::encode_to_write_buf_works ... ok
[INFO] [stdout] test io::test::read_from_read_buf_works ... ok
[INFO] [stdout] test io::test::write_to_write_buf_works ... ok
[INFO] [stdout] test combinator::test::encoder_length_works ... ok
[INFO] [stdout] test padding::test::padding_decoder_works ... ok
[INFO] [stdout] test padding::test::padding_encoder_works ... ok
[INFO] [stdout] test slice::tests::owned_slice_works ... ok
[INFO] [stdout] test tuple::test::tuple_decoder_works ... ok
[INFO] [stdout] test tuple::test::tuple_encoder_works ... ok
[INFO] [stdout] test null::test::null_encoder_works ... ok
[INFO] [stdout] test null::test::null_decoder_works ... ok
[INFO] [stdout] test combinator::test::decoder_slice_works ... ok
[INFO] [stdout] test combinator::test::repeat_works ... ok
[INFO] [stdout] test combinator::test::encoder_slice_works ... ok
[INFO] [stdout] test combinator::test::encoder_max_bytes_works ... ok
[INFO] [stdout] test decode::test::decode_from_bytes_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bytecodec
[INFO] [stdout] 
[INFO] [stdout] running 86 tests
[INFO] [stdout] test src/bytes.rs - bytes::BytesDecoder (line 184) ... ok
[INFO] [stdout] test src/bytes.rs - bytes::CopyableBytesDecoder (line 96) ... ok
[INFO] [stdout] test src/bytes.rs - bytes::BytesEncoder (line 12) ... ok
[INFO] [stdout] test src/bytes.rs - bytes::Utf8Decoder (line 402) ... ok
[INFO] [stdout] test src/bytes.rs - bytes::RemainingBytesDecoder (line 274) ... ok
[INFO] [stdout] test src/bytes.rs - bytes::Utf8Encoder (line 349) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::and_then (line 233) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::collect (line 255) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::maybe_eos (line 428) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::decode_from_bytes (line 449) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::length (line 295) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::map (line 132) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::omit (line 320) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::map_err (line 188) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::collectn (line 275) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::max_bytes (line 343) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::peekable (line 404) ... ok
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::try_map (line 152) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::pre_encode (line 368) ... ignored
[INFO] [stdout] test src/decode.rs - decode::DecodeExt::slice (line 373) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::map_err (line 162) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::map_from (line 198) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::length (line 307) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::encode_into_bytes (line 433) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::optional (line 259) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::max_bytes (line 283) ... ok
[INFO] [stdout] test src/eos.rs - eos::Eos::back (line 37) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::repeat (line 343) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::slice (line 394) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::with_item (line 136) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F32beEncoder (line 1398) ... ok
[INFO] [stdout] test src/encode.rs - encode::EncodeExt::try_map_from (line 222) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F32leDecoder (line 1371) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F32beDecoder (line 1344) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F32leEncoder (line 1427) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F64beEncoder (line 1510) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F64beDecoder (line 1456) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F64leDecoder (line 1483) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::F64leEncoder (line 1539) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I16leEncoder (line 373) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I16beDecoder (line 290) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I16leDecoder (line 317) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I16beEncoder (line 344) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I32leDecoder (line 663) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I32beDecoder (line 636) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I32beEncoder (line 690) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I32leEncoder (line 719) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I64beDecoder (line 1232) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I64beEncoder (line 1286) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I8Decoder (line 122) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I64leDecoder (line 1259) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I64leEncoder (line 1315) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::I8Encoder (line 149) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U16beDecoder (line 178) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U16leDecoder (line 205) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U16leEncoder (line 261) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U16beEncoder (line 232) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U24beDecoder (line 404) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U24leDecoder (line 433) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U24beEncoder (line 462) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U32beDecoder (line 524) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U24leEncoder (line 494) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U32beEncoder (line 578) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U32leDecoder (line 551) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U40beDecoder (line 750) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U40beEncoder (line 808) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U32leEncoder (line 607) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U48beDecoder (line 874) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U40leDecoder (line 779) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U40leEncoder (line 841) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U48beEncoder (line 932) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U48leEncoder (line 965) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U48leDecoder (line 903) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U56beEncoder (line 1056) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U56leDecoder (line 1027) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U56beDecoder (line 998) ... ok
[INFO] [stdout] test src/macros.rs - bytecodec_try_decode (line 45) ... ignored
[INFO] [stdout] test src/macros.rs - bytecodec_try_encode (line 5) ... ignored
[INFO] [stdout] test src/fixnum.rs - fixnum::U64beDecoder (line 1120) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U64leDecoder (line 1147) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U64beEncoder (line 1174) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U56leEncoder (line 1089) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U64leEncoder (line 1203) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U8Decoder (line 66) ... ok
[INFO] [stdout] test src/slice.rs - slice::OwnedSlice (line 7) ... ok
[INFO] [stdout] test src/fixnum.rs - fixnum::U8Encoder (line 93) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 83 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b290c94c6476a5959c34d20674f4ff6bd9f89f717dc5701f8d8f10c88fe7319f"`
[INFO] running `"docker" "rm" "-f" "b290c94c6476a5959c34d20674f4ff6bd9f89f717dc5701f8d8f10c88fe7319f"`
[INFO] [stdout] b290c94c6476a5959c34d20674f4ff6bd9f89f717dc5701f8d8f10c88fe7319f