[INFO] cloning repository https://github.com/madadam/calendar.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madadam/calendar.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadadam%2Fcalendar.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadadam%2Fcalendar.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1feae481e779aba72c2232734be7470e14178ac0
[INFO] checking madadam/calendar.rs against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadadam%2Fcalendar.rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madadam/calendar.rs on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madadam/calendar.rs
[INFO] finished tweaking git repo https://github.com/madadam/calendar.rs
[INFO] tweaked toml for git repo https://github.com/madadam/calendar.rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/madadam/calendar.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v0.6.86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d212bf05706600d29ca0aaf8815a35a0f703f80eacd32e92ff95f593d65b57f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d212bf05706600d29ca0aaf8815a35a0f703f80eacd32e92ff95f593d65b57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d212bf05706600d29ca0aaf8815a35a0f703f80eacd32e92ff95f593d65b57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d212bf05706600d29ca0aaf8815a35a0f703f80eacd32e92ff95f593d65b57f", kill_on_drop: false }`
[INFO] [stdout] 2d212bf05706600d29ca0aaf8815a35a0f703f80eacd32e92ff95f593d65b57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a83a418dee93768e2eebe1eb37ce04a4df9e7cc2f817aa2dbd1820fd271ae57
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a83a418dee93768e2eebe1eb37ce04a4df9e7cc2f817aa2dbd1820fd271ae57", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking calendar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private type `Chunk<Self>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     fn chunk(self, size: usize) -> Chunk<Self>
[INFO] [stdout] 12 | |         where Self: Sized
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Interleave<<Self as Iterator>::Item>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     fn interleave(self) -> Interleave<Self::Item>
[INFO] [stdout] 20 | |         where Self: Sized, Self::Item: Iterator
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Chunk<Interleave<<Self as Iterator>::Item>>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn transpose(self) -> Chunk<Interleave<Self::Item>>
[INFO] [stdout] 31 | |         where Self: Sized + ExactSizeIterator, Self::Item: Iterator
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Interleave<<Self as Iterator>::Item>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn transpose(self) -> Chunk<Interleave<Self::Item>>
[INFO] [stdout] 31 | |         where Self: Sized + ExactSizeIterator, Self::Item: Iterator
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `ChainAll<Self>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     fn chain_all(self) -> ChainAll<Self>
[INFO] [stdout] 40 | |         where Self: Sized, Self::Item: Iterator
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn by_month(self) -> ByMonth {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn by_week(self) -> ByWeek {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type ByMonth = GroupBy<fn(&Date) -> u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub type ByWeek  = GroupBy<fn(&Date) -> u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/format.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub type MonthLayout =
[INFO] [stdout] 9  | |     Chain<
[INFO] [stdout] 10 | |         Once<String>,
[INFO] [stdout] 11 | |         Chain<
[INFO] [stdout] 12 | |             Map<ByWeek, FnFormatWeek>,
[INFO] [stdout] 13 | |             Take<Repeat<String>>>>;
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/format.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `ChainAll<Map<Chunk<Map<GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>, fn(DateRange) -> std::iter::Chain<std::iter::Once<std::string::String>, std::iter::Chain<Map<GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>, fn(DateRange) -> std::string::String>, std::iter::Take<std::iter::Repeat<std::string::String>>>> {layout_month}>>, [closure@src/main.rs:40:24: 40:41]>>` is private
[INFO] [stdout]   --> src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |       let calendar = dates(args.arg_year)
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                   .by_month()
[INFO] [stdout] 38 | |                   .map(layout_month)
[INFO] [stdout] 39 | |                   .chunk(args.flag_months_per_line)
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |                   .map(|c| c.collect::<String>())
[INFO] [stdout] 43 | |                   .join("\n");
[INFO] [stdout]    | |_____________________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     Chain<
[INFO] [stdout] 10 | |         Once<String>,
[INFO] [stdout] 11 | |         Chain<
[INFO] [stdout] 12 | |             Map<ByWeek, FnFormatWeek>,
[INFO] [stdout] 13 | |             Take<Repeat<String>>>>;
[INFO] [stdout]    | |__________________________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    |                                          ^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    |  ______________________________________________________^
[INFO] [stdout] 16 | |     let week_count   = month.by_week().count();
[INFO] [stdout] 17 | |     let title        = once(month_title(month.start));
[INFO] [stdout] 18 | |     let padding_item = repeat(" ").take(22).collect::<String>();
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     title.chain(month.by_week().map(format_week as FnFormatWeek).chain(padding))
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `calendar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: private type `Chunk<Self>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     fn chunk(self, size: usize) -> Chunk<Self>
[INFO] [stdout] 12 | |         where Self: Sized
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Interleave<<Self as Iterator>::Item>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     fn interleave(self) -> Interleave<Self::Item>
[INFO] [stdout] 20 | |         where Self: Sized, Self::Item: Iterator
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Chunk<Interleave<<Self as Iterator>::Item>>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn transpose(self) -> Chunk<Interleave<Self::Item>>
[INFO] [stdout] 31 | |         where Self: Sized + ExactSizeIterator, Self::Item: Iterator
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Interleave<<Self as Iterator>::Item>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | /     fn transpose(self) -> Chunk<Interleave<Self::Item>>
[INFO] [stdout] 31 | |         where Self: Sized + ExactSizeIterator, Self::Item: Iterator
[INFO] [stdout]    | |___________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `ChainAll<Self>` in public interface (error E0446)
[INFO] [stdout]   --> src/advanced_iterator.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     fn chain_all(self) -> ChainAll<Self>
[INFO] [stdout] 40 | |         where Self: Sized, Self::Item: Iterator
[INFO] [stdout]    | |_______________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn by_month(self) -> ByMonth {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn by_week(self) -> ByWeek {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:71:1
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub type ByMonth = GroupBy<fn(&Date) -> u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/date.rs:72:1
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub type ByWeek  = GroupBy<fn(&Date) -> u32>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/format.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / pub type MonthLayout =
[INFO] [stdout] 9  | |     Chain<
[INFO] [stdout] 10 | |         Once<String>,
[INFO] [stdout] 11 | |         Chain<
[INFO] [stdout] 12 | |             Map<ByWeek, FnFormatWeek>,
[INFO] [stdout] 13 | |             Take<Repeat<String>>>>;
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` in public interface (error E0446)
[INFO] [stdout]   --> src/format.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `ChainAll<Map<Chunk<Map<GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>, fn(DateRange) -> std::iter::Chain<std::iter::Once<std::string::String>, std::iter::Chain<Map<GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>, fn(DateRange) -> std::string::String>, std::iter::Take<std::iter::Repeat<std::string::String>>>> {layout_month}>>, [closure@src/main.rs:40:24: 40:41]>>` is private
[INFO] [stdout]   --> src/main.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |       let calendar = dates(args.arg_year)
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 37 | |                   .by_month()
[INFO] [stdout] 38 | |                   .map(layout_month)
[INFO] [stdout] 39 | |                   .chunk(args.flag_months_per_line)
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |                   .map(|c| c.collect::<String>())
[INFO] [stdout] 43 | |                   .join("\n");
[INFO] [stdout]    | |_____________________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | /     Chain<
[INFO] [stdout] 10 | |         Once<String>,
[INFO] [stdout] 11 | |         Chain<
[INFO] [stdout] 12 | |             Map<ByWeek, FnFormatWeek>,
[INFO] [stdout] 13 | |             Take<Repeat<String>>>>;
[INFO] [stdout]    | |__________________________________^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    |                                          ^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:15:54
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn layout_month(month: DateRange) -> MonthLayout {
[INFO] [stdout]    |  ______________________________________________________^
[INFO] [stdout] 16 | |     let week_count   = month.by_week().count();
[INFO] [stdout] 17 | |     let title        = once(month_title(month.start));
[INFO] [stdout] 18 | |     let padding_item = repeat(" ").take(22).collect::<String>();
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     title.chain(month.by_week().map(format_week as FnFormatWeek).chain(padding))
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let mut layout = layout_month(month);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     assert_eq!(layout.next().unwrap(), "       January        ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     assert_eq!(layout.next().unwrap(), "           1  2  3  4 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:57:16
[INFO] [stdout]    |
[INFO] [stdout] 57 |     assert_eq!(layout.next().unwrap(), "  5  6  7  8  9 10 11 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     assert_eq!(layout.next().unwrap(), " 12 13 14 15 16 17 18 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     assert_eq!(layout.next().unwrap(), " 19 20 21 22 23 24 25 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:60:16
[INFO] [stdout]    |
[INFO] [stdout] 60 |     assert_eq!(layout.next().unwrap(), " 26 27 28 29 30 31    ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |     assert_eq!(layout.next().unwrap(), "                      ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |     assert_eq!(layout.next(), None);
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut layout = layout_month(month);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |     assert_eq!(layout.next().unwrap(), "       February       ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |     assert_eq!(layout.next().unwrap(), "  1  2  3  4  5  6  7 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |     assert_eq!(layout.next().unwrap(), "  8  9 10 11 12 13 14 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |     assert_eq!(layout.next().unwrap(), " 15 16 17 18 19 20 21 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     assert_eq!(layout.next().unwrap(), " 22 23 24 25 26 27 28 ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     assert_eq!(layout.next().unwrap(), "                      ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     assert_eq!(layout.next().unwrap(), "                      ");
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `GroupBy<for<'r> fn(&'r chrono::Date<UTC>) -> u32>` is private
[INFO] [stdout]   --> src/format.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     assert_eq!(layout.next(), None);
[INFO] [stdout]    |                ^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 22 previous errors; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4a83a418dee93768e2eebe1eb37ce04a4df9e7cc2f817aa2dbd1820fd271ae57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a83a418dee93768e2eebe1eb37ce04a4df9e7cc2f817aa2dbd1820fd271ae57", kill_on_drop: false }`
[INFO] [stdout] 4a83a418dee93768e2eebe1eb37ce04a4df9e7cc2f817aa2dbd1820fd271ae57
