[INFO] cloning repository kino-mc/rsmt2
[INFO] running `"git" "clone" "--bare" "git://github.com/kino-mc/rsmt2.git" "work/cache/sources/gh/kino-mc/rsmt2"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kino-mc/rsmt2'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kino-mc/rsmt2" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kino-mc/rsmt2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kino-mc/rsmt2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kino-mc/rsmt2" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kino-mc/rsmt2"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kino-mc/rsmt2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a10161547b832f9bcbc1a239f4dace413196303
[INFO] sha for GitHub repo kino-mc/rsmt2: 9a10161547b832f9bcbc1a239f4dace413196303
[INFO] validating manifest of kino-mc/rsmt2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kino-mc/rsmt2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kino-mc/rsmt2
[INFO] finished frobbing kino-mc/rsmt2
[INFO] frobbed toml for kino-mc/rsmt2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/kino-mc/rsmt2/Cargo.toml
[INFO] started frobbing kino-mc/rsmt2
[INFO] finished frobbing kino-mc/rsmt2
[INFO] frobbed toml for kino-mc/rsmt2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kino-mc/rsmt2/Cargo.toml
[INFO] crate kino-mc/rsmt2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kino-mc/rsmt2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/kino-mc/rsmt2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b84730288f04b56b44c587b51107920cb380e72f1c28362d6ea3133395c99c01
[INFO] running `"docker" "start" "-a" "b84730288f04b56b44c587b51107920cb380e72f1c28362d6ea3133395c99c01"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking rsmt2 v0.10.0 (/opt/crater/workdir)
[INFO] [stderr] error: unknown macro variable `emeta`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `eitem`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `etyp`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:48
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:71:48
[INFO] [stderr]    |
[INFO] [stderr] 65 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 71 | $ ( # [ $ bmeta ] ) * => $ bitem : TUPLE [ $ ( $ qvar : $ qtyp ) , * ] ] queue
[INFO] [stderr]    |                                                ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:71:57
[INFO] [stderr]    |
[INFO] [stderr] 65 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 71 | $ ( # [ $ bmeta ] ) * => $ bitem : TUPLE [ $ ( $ qvar : $ qtyp ) , * ] ] queue
[INFO] [stderr]    |                                                         ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:84:49
[INFO] [stderr]    |
[INFO] [stderr] 78 | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 84 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                 ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:84:58
[INFO] [stderr]    |
[INFO] [stderr] 78 | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 84 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                          ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:97:49
[INFO] [stderr]    |
[INFO] [stderr] 91 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 97 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                 ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:97:58
[INFO] [stderr]    |
[INFO] [stderr] 91 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 97 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                          ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:146:41
[INFO] [stderr]     |
[INFO] [stderr] 142 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 146 | $ ( # [ $ imeta ] ) * $ iitem $ ( ( $ ( $ ttyp ) , * ) ) * $ (
[INFO] [stderr]     |                                         ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:174:7
[INFO] [stderr]     |
[INFO] [stderr] 168 | $ ( $ qvar : ident : $ qtyp : ty ) , + ] $ ( $ queue : tt ) * ] ) => {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 174 | ( $ ( $ qtyp ) , * ) ) {  } ] queue [ $ ( $ queue ) * ] ) ; } ; (
[INFO] [stderr]     |       ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn write_str(w: &mut io::Write, s: &str) -> SmtRes<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<T, Info> Sym2Smt<Info> for AsRef<T>
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<T, Info> Expr2Smt<Info> for AsRef<T>
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:101:22
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl<T> Sort2Smt for AsRef<T>
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:210:39
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn to_smt2(self, writer: &mut io::Write, _: ()) -> SmtRes<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `emeta`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `eitem`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:30
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `etyp`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:54:48
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |                                                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:71:48
[INFO] [stderr]    |
[INFO] [stderr] 65 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 71 | $ ( # [ $ bmeta ] ) * => $ bitem : TUPLE [ $ ( $ qvar : $ qtyp ) , * ] ] queue
[INFO] [stderr]    |                                                ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:71:57
[INFO] [stderr]    |
[INFO] [stderr] 65 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 71 | $ ( # [ $ bmeta ] ) * => $ bitem : TUPLE [ $ ( $ qvar : $ qtyp ) , * ] ] queue
[INFO] [stderr]    |                                                         ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:84:49
[INFO] [stderr]    |
[INFO] [stderr] 78 | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 84 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                 ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:84:58
[INFO] [stderr]    |
[INFO] [stderr] 78 | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 84 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                          ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:97:49
[INFO] [stderr]    |
[INFO] [stderr] 91 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 97 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                 ^^^^^^              - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:97:58
[INFO] [stderr]    |
[INFO] [stderr] 91 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 97 | $ ( # [ $ bmeta ] ) * => $ bitem : STRUCT [ $ ( $ qvar : $ qtyp ) , * ] ]
[INFO] [stderr]    |                                                          ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:146:41
[INFO] [stderr]     |
[INFO] [stderr] 142 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 146 | $ ( # [ $ imeta ] ) * $ iitem $ ( ( $ ( $ ttyp ) , * ) ) * $ (
[INFO] [stderr]     |                                         ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:174:7
[INFO] [stderr]     |
[INFO] [stderr] 168 | $ ( $ qvar : ident : $ qtyp : ty ) , + ] $ ( $ queue : tt ) * ] ) => {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 174 | ( $ ( $ qtyp ) , * ) ) {  } ] queue [ $ ( $ queue ) * ] ) ; } ; (
[INFO] [stderr]     |       ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn write_str(w: &mut io::Write, s: &str) -> SmtRes<()> {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 | impl<T, Info> Sym2Smt<Info> for AsRef<T>
[INFO] [stderr]    |                                 ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/common.rs:89:34
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl<T, Info> Expr2Smt<Info> for AsRef<T>
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:101:22
[INFO] [stderr]     |
[INFO] [stderr] 101 | impl<T> Sort2Smt for AsRef<T>
[INFO] [stderr]     |                      ^^^^^^^^ help: use `dyn`: `dyn AsRef<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/common.rs:210:39
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn to_smt2(self, writer: &mut io::Write, _: ()) -> SmtRes<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 | /     error_chain! {
[INFO] [stderr] 360 | |         types {
[INFO] [stderr] 361 | |             Error, ErrorKind, ResExt, SmtRes ;
[INFO] [stderr] 362 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         }
[INFO] [stderr] 402 | |     }
[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] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rsmt2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:359:5
[INFO] [stderr]     |
[INFO] [stderr] 359 | /     error_chain! {
[INFO] [stderr] 360 | |         types {
[INFO] [stderr] 361 | |             Error, ErrorKind, ResExt, SmtRes ;
[INFO] [stderr] 362 | |         }
[INFO] [stderr] ...   |
[INFO] [stderr] 401 | |         }
[INFO] [stderr] 402 | |     }
[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] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rsmt2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b84730288f04b56b44c587b51107920cb380e72f1c28362d6ea3133395c99c01"`
[INFO] running `"docker" "rm" "-f" "b84730288f04b56b44c587b51107920cb380e72f1c28362d6ea3133395c99c01"`
[INFO] [stdout] b84730288f04b56b44c587b51107920cb380e72f1c28362d6ea3133395c99c01