[INFO] fetching crate serde_mtproto 0.3.1...
[INFO] extracting crate serde_mtproto 0.3.1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/serde_mtproto/0.3.1
[INFO] extracting crate serde_mtproto 0.3.1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/serde_mtproto/0.3.1
[INFO] validating manifest of serde_mtproto-0.3.1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_mtproto-0.3.1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_mtproto-0.3.1
[INFO] removed path dependency serde_mtproto_derive from serde_mtproto-0.3.1
[INFO] finished frobbing serde_mtproto-0.3.1
[INFO] frobbed toml for serde_mtproto-0.3.1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/serde_mtproto/0.3.1/Cargo.toml
[INFO] started frobbing serde_mtproto-0.3.1
[INFO] removed path dependency serde_mtproto_derive from serde_mtproto-0.3.1
[INFO] finished frobbing serde_mtproto-0.3.1
[INFO] frobbed toml for serde_mtproto-0.3.1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/serde_mtproto/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_mtproto_derive v0.3.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing serde_mtproto-0.3.1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/serde_mtproto/0.3.1:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 9c3b79572e51d2c94da47b6a0627973728753492ca4530782a550f2acc40444f
[INFO] running `"docker" "start" "-a" "9c3b79572e51d2c94da47b6a0627973728753492ca4530782a550f2acc40444f"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.35
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_mtproto v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(::std::io::Error);
[INFO] [stderr] 11 | |         FromUtf8(::std::string::FromUtf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(::std::io::Error);
[INFO] [stderr] 11 | |         FromUtf8(::std::string::FromUtf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.68s
[INFO] running `"docker" "inspect" "9c3b79572e51d2c94da47b6a0627973728753492ca4530782a550f2acc40444f"`
[INFO] running `"docker" "rm" "-f" "9c3b79572e51d2c94da47b6a0627973728753492ca4530782a550f2acc40444f"`
[INFO] [stdout] 9c3b79572e51d2c94da47b6a0627973728753492ca4530782a550f2acc40444f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/serde_mtproto/0.3.1:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8d0b91204519a3f16928fdfeac1f534d9f1c83f437592721fb136acbb8d3d8fb
[INFO] running `"docker" "start" "-a" "8d0b91204519a3f16928fdfeac1f534d9f1c83f437592721fb136acbb8d3d8fb"`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_mtproto_derive v0.3.1
[INFO] [stderr]    Compiling serde_mtproto v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(::std::io::Error);
[INFO] [stderr] 11 | |         FromUtf8(::std::string::FromUtf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / error_chain! {
[INFO] [stderr] 9  | |     foreign_links {
[INFO] [stderr] 10 | |         Io(::std::io::Error);
[INFO] [stderr] 11 | |         FromUtf8(::std::string::FromUtf8Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |     }
[INFO] [stderr] 45 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.63s
[INFO] running `"docker" "inspect" "8d0b91204519a3f16928fdfeac1f534d9f1c83f437592721fb136acbb8d3d8fb"`
[INFO] running `"docker" "rm" "-f" "8d0b91204519a3f16928fdfeac1f534d9f1c83f437592721fb136acbb8d3d8fb"`
[INFO] [stdout] 8d0b91204519a3f16928fdfeac1f534d9f1c83f437592721fb136acbb8d3d8fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/serde_mtproto/0.3.1:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 1d2a5d9850274032ded5c7d7be93d8d976c77d7825860126483cf581142f363b
[INFO] running `"docker" "start" "-a" "1d2a5d9850274032ded5c7d7be93d8d976c77d7825860126483cf581142f363b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_mtproto-206914c106c332ca
[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] [stderr]      Running /opt/crater/target/debug/deps/test-e4c99bb17a1cc0b6
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test test_enum_variant_size_prediction_boxed ... ok
[INFO] [stdout] test test_enum_variant_size_prediction_boxed2 ... ok
[INFO] [stdout] test test_enum_variant_to_writer_boxed ... ok
[INFO] [stdout] test test_enum_variant_to_bytes_boxed2 ... ok
[INFO] [stdout] test test_enum_variant_from_bytes_boxed2 ... ok
[INFO] [stdout] test test_enum_variant_from_reader_boxed ... ok
[INFO] [stdout] test test_serialization_alignment ... ok
[INFO] [stdout] test test_struct_from_bytes_bare ... ok
[INFO] [stdout] test test_enum_variant_from_bytes_boxed ... ok
[INFO] [stdout] test test_struct_size_prediction_bare ... ok
[INFO] [stdout] test test_struct_from_reader_boxed ... ok
[INFO] [stdout] test test_enum_variant_to_writer_boxed2 ... ok
[INFO] [stdout] test test_enum_variant_from_reader_boxed2 ... ok
[INFO] [stdout] test test_enum_variant_to_bytes_boxed ... ok
[INFO] [stdout] test test_struct_from_bytes_boxed ... ok
[INFO] [stdout] test test_struct_to_writer_boxed ... ok
[INFO] [stdout] test test_unit_enum_variant_size_prediction_boxed ... ok
[INFO] [stdout] test test_unit_enum_variant_from_bytes_boxed ... ok
[INFO] [stdout] test test_struct_to_writer_bare ... ok
[INFO] [stdout] test test_unit_enum_variant_from_reader_boxed ... ok
[INFO] [stdout] test test_struct_from_reader_bare ... ok
[INFO] [stdout] test test_struct_size_prediction_boxed ... ok
[INFO] [stdout] test test_struct_to_bytes_boxed ... ok
[INFO] [stdout] test test_unit_enum_variant_to_bytes_boxed ... ok
[INFO] [stdout] test test_unit_struct_from_bytes_bare ... ok
[INFO] [stdout] test test_unit_struct_from_bytes_boxed ... ok
[INFO] [stdout] test test_unit_struct_from_reader_bare ... ok
[INFO] [stdout] test test_unit_enum_variant_to_writer_boxed ... ok
[INFO] [stdout] test test_struct_to_bytes_bare ... ok
[INFO] [stdout] test test_unit_struct_size_prediction_boxed ... ok
[INFO] [stdout] test test_unit_struct_to_bytes_bare ... ok
[INFO] [stdout] test test_unit_struct_to_writer_bare ... ok
[INFO] [stdout] test test_unit_struct_size_prediction_bare ... ok
[INFO] [stdout] test test_unit_struct_to_writer_boxed ... ok
[INFO] [stdout] test test_unit_struct_from_reader_boxed ... ok
[INFO] [stdout] test test_unit_struct_to_bytes_boxed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_mtproto
[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] running `"docker" "inspect" "1d2a5d9850274032ded5c7d7be93d8d976c77d7825860126483cf581142f363b"`
[INFO] running `"docker" "rm" "-f" "1d2a5d9850274032ded5c7d7be93d8d976c77d7825860126483cf581142f363b"`
[INFO] [stdout] 1d2a5d9850274032ded5c7d7be93d8d976c77d7825860126483cf581142f363b