[INFO] fetching crate itertools 0.8.0...
[INFO] extracting crate itertools 0.8.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/itertools/0.8.0
[INFO] extracting crate itertools 0.8.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/itertools/0.8.0
[INFO] validating manifest of itertools-0.8.0 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 itertools-0.8.0 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 itertools-0.8.0
[INFO] finished frobbing itertools-0.8.0
[INFO] frobbed toml for itertools-0.8.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/itertools/0.8.0/Cargo.toml
[INFO] started frobbing itertools-0.8.0
[INFO] finished frobbing itertools-0.8.0
[INFO] frobbed toml for itertools-0.8.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/itertools/0.8.0/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] checking itertools-0.8.0 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/itertools/0.8.0:/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] 4ba9d84d28e9900cea999a90299d6f61ae400f8073ddb0c5c88a7618d8f74533
[INFO] running `"docker" "start" "-a" "4ba9d84d28e9900cea999a90299d6f61ae400f8073ddb0c5c88a7618d8f74533"`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking itertools v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/adaptors/mod.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ($name:ident, $base:expr, $($field:ident),+) => (
[INFO] [stderr]    |                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 21 |                 $field : $base . $field .clone()
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 22 |             ),*
[INFO] [stderr]    |               - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/adaptors/mod.rs:21:34
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ($name:ident, $base:expr, $($field:ident),+) => (
[INFO] [stderr]    |                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 21 |                 $field : $base . $field .clone()
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 22 |             ),*
[INFO] [stderr]    |               - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/kmerge_impl.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 9  |     ($name:ident, $base:expr, $($field:ident),+) => (
[INFO] [stderr]    |                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 12 |                 $field : $base . $field .clone()
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr] 13 |             ),*
[INFO] [stderr]    |               - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> src/kmerge_impl.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 9  |     ($name:ident, $base:expr, $($field:ident),+) => (
[INFO] [stderr]    |                                               - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 12 |                 $field : $base . $field .clone()
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 13 |             ),*
[INFO] [stderr]    |               - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:32:34
[INFO] [stderr]    |
[INFO] [stderr] 32 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[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/format.rs:32:41
[INFO] [stderr]    |
[INFO] [stderr] 32 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:51:34
[INFO] [stderr]    |
[INFO] [stderr] 51 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:51:41
[INFO] [stderr]    |
[INFO] [stderr] 51 |           F: FnMut(I::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:60:43
[INFO] [stderr]    |
[INFO] [stderr] 60 |             try!(format(fst, &mut |disp: &fmt::Display| disp.fmt(f)));
[INFO] [stderr]    |                                           ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/format.rs:66:47
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 try!(format(elt, &mut |disp: &fmt::Display| disp.fmt(f)));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:41
[INFO] [stderr]      |
[INFO] [stderr] 1535 |               F: FnMut(Self::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]      |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&fmt::Display) -> fmt::Result`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1535:48
[INFO] [stderr]      |
[INFO] [stderr] 1535 |               F: FnMut(Self::Item, &mut FnMut(&fmt::Display) -> fmt::Result) -> fmt::Result,
[INFO] [stderr]      |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `itertools`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4ba9d84d28e9900cea999a90299d6f61ae400f8073ddb0c5c88a7618d8f74533"`
[INFO] running `"docker" "rm" "-f" "4ba9d84d28e9900cea999a90299d6f61ae400f8073ddb0c5c88a7618d8f74533"`
[INFO] [stdout] 4ba9d84d28e9900cea999a90299d6f61ae400f8073ddb0c5c88a7618d8f74533