[INFO] fetching crate scron 1.0.1...
[INFO] extracting crate scron 1.0.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scron/1.0.1
[INFO] extracting crate scron 1.0.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scron/1.0.1
[INFO] validating manifest of scron-1.0.1 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 scron-1.0.1 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 scron-1.0.1
[INFO] finished frobbing scron-1.0.1
[INFO] frobbed toml for scron-1.0.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/scron/1.0.1/Cargo.toml
[INFO] started frobbing scron-1.0.1
[INFO] finished frobbing scron-1.0.1
[INFO] frobbed toml for scron-1.0.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/scron/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 scron-1.0.1 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/reg/scron/1.0.1:/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] 3b9a216cb615e78d519b82e842dd95806bde95a3de6151b7ca7f4436d1e26c75
[INFO] running `"docker" "start" "-a" "3b9a216cb615e78d519b82e842dd95806bde95a3de6151b7ca7f4436d1e26c75"`
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking scron v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::whitespace::alt_sep macros>:18:44
[INFO] [stderr]    |
[INFO] [stderr] 12 | $ ( $ args : tt ) * ) => { $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 18 | alt_sep ! ( __impl $ i , $ separator , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                                            ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `emeta`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `eitem`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ 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>:73:48
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ 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>:90:48
[INFO] [stderr]    |
[INFO] [stderr] 84 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 90 | $ ( # [ $ 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>:90:57
[INFO] [stderr]    |
[INFO] [stderr] 84 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 90 | $ ( # [ $ 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>:103:49
[INFO] [stderr]     |
[INFO] [stderr] 97  | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 103 | $ ( # [ $ 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>:103:58
[INFO] [stderr]     |
[INFO] [stderr] 97  | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 103 | $ ( # [ $ 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>:116:49
[INFO] [stderr]     |
[INFO] [stderr] 110 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 116 | $ ( # [ $ 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>:116:58
[INFO] [stderr]     |
[INFO] [stderr] 110 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 116 | $ ( # [ $ 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>:165:41
[INFO] [stderr]     |
[INFO] [stderr] 161 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 165 | $ ( # [ $ 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>:175:41
[INFO] [stderr]     |
[INFO] [stderr] 171 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 175 | $ ( # [ $ 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>:202:7
[INFO] [stderr]     |
[INFO] [stderr] 196 | $ ( $ qvar : ident : $ qtyp : ty ) , + ] $ ( $ queue : tt ) * ] ) => {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 202 | ( $ ( $ qtyp ) , * ) ) {  } ] queue [ $ ( $ queue ) * ] ) ; } ; (
[INFO] [stderr]     |       ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt macros>:16:26
[INFO] [stderr]    |
[INFO] [stderr] 10 | $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                    - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 16 | alt ! ( __impl $ i , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                          ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::whitespace::alt_sep macros>:18:44
[INFO] [stderr]    |
[INFO] [stderr] 12 | $ ( $ args : tt ) * ) => { $ gen : expr } | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 18 | alt_sep ! ( __impl $ i , $ separator , $ ( $ rest ) * ) } } } ) ; (
[INFO] [stderr]    |                                            ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `emeta`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ emeta ] ) * => $ eitem $ ( ( $ ( $ etyp ) , * ) ) * ) * $ (
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `eitem`
[INFO] [stderr]   --> <::error_chain::impl_error_chain_kind::impl_error_chain_kind macros>:73:30
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ 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>:73:48
[INFO] [stderr]    |
[INFO] [stderr] 73 | $ ( $ ( # [ $ 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>:90:48
[INFO] [stderr]    |
[INFO] [stderr] 84 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 90 | $ ( # [ $ 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>:90:57
[INFO] [stderr]    |
[INFO] [stderr] 84 | ( $ ( $ qvar : ident : $ qtyp : ty ) , + ) $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]    |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 90 | $ ( # [ $ 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>:103:49
[INFO] [stderr]     |
[INFO] [stderr] 97  | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 103 | $ ( # [ $ 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>:103:58
[INFO] [stderr]     |
[INFO] [stderr] 97  | { $ ( $ qvar : ident : $ qtyp : ty ) , + } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 103 | $ ( # [ $ 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>:116:49
[INFO] [stderr]     |
[INFO] [stderr] 110 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 116 | $ ( # [ $ 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>:116:58
[INFO] [stderr]     |
[INFO] [stderr] 110 | { $ ( $ qvar : ident : $ qtyp : ty ) , + , } $ ( $ tail : tt ) * ] ) => {
[INFO] [stderr]     |                                        - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 116 | $ ( # [ $ 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>:165:41
[INFO] [stderr]     |
[INFO] [stderr] 161 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 165 | $ ( # [ $ 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>:175:41
[INFO] [stderr]     |
[INFO] [stderr] 171 | $ ( ( $ ( $ ttyp : ty ) , + ) ) * ) {
[INFO] [stderr]     |                           - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 175 | $ ( # [ $ 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>:202:7
[INFO] [stderr]     |
[INFO] [stderr] 196 | $ ( $ qvar : ident : $ qtyp : ty ) , + ] $ ( $ queue : tt ) * ] ) => {
[INFO] [stderr]     |                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 202 | ( $ ( $ qtyp ) , * ) ) {  } ] queue [ $ ( $ queue ) * ] ) ; } ; (
[INFO] [stderr]     |       ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scron`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `scron`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3b9a216cb615e78d519b82e842dd95806bde95a3de6151b7ca7f4436d1e26c75"`
[INFO] running `"docker" "rm" "-f" "3b9a216cb615e78d519b82e842dd95806bde95a3de6151b7ca7f4436d1e26c75"`
[INFO] [stdout] 3b9a216cb615e78d519b82e842dd95806bde95a3de6151b7ca7f4436d1e26c75