[INFO] fetching crate titlefmt 0.4.0...
[INFO] extracting crate titlefmt 0.4.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/titlefmt/0.4.0
[INFO] extracting crate titlefmt 0.4.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/titlefmt/0.4.0
[INFO] validating manifest of titlefmt-0.4.0 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 titlefmt-0.4.0 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 titlefmt-0.4.0
[INFO] finished frobbing titlefmt-0.4.0
[INFO] frobbed toml for titlefmt-0.4.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/titlefmt/0.4.0/Cargo.toml
[INFO] started frobbing titlefmt-0.4.0
[INFO] finished frobbing titlefmt-0.4.0
[INFO] frobbed toml for titlefmt-0.4.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/titlefmt/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking titlefmt-0.4.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/titlefmt/0.4.0:/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] 4e21296019ddfc220d6bc6dc8aba535e239ac3d76d0b4b5fa3f142f2e353f3df
[INFO] running `"docker" "start" "-a" "4e21296019ddfc220d6bc6dc8aba535e239ac3d76d0b4b5fa3f142f2e353f3df"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking titlefmt v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::nom::sequence::delimited macros>:6:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ i , (  ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ 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::sequence::delimited macros>:9:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | } } } ) ; ( $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => (
[INFO] [stderr]   |                                                         - expected repetition
[INFO] [stderr] 9 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ;
[INFO] [stderr]   |                                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub type FunctionClosure<T> = Fn(&[Box<Expression<T>>], &T) -> Result<Evaluation, Error>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Expression<T>>], &T) -> Result<Evaluation, Error>`
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::nom::sequence::delimited macros>:6:50
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ i , (  ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ 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::sequence::delimited macros>:9:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | } } } ) ; ( $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => (
[INFO] [stderr]   |                                                         - expected repetition
[INFO] [stderr] 9 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ;
[INFO] [stderr]   |                                          ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/function/mod.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub type FunctionClosure<T> = Fn(&[Box<Expression<T>>], &T) -> Result<Evaluation, Error>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&[Box<Expression<T>>], &T) -> Result<Evaluation, Error>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `titlefmt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `titlefmt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4e21296019ddfc220d6bc6dc8aba535e239ac3d76d0b4b5fa3f142f2e353f3df"`
[INFO] running `"docker" "rm" "-f" "4e21296019ddfc220d6bc6dc8aba535e239ac3d76d0b4b5fa3f142f2e353f3df"`
[INFO] [stdout] 4e21296019ddfc220d6bc6dc8aba535e239ac3d76d0b4b5fa3f142f2e353f3df