[INFO] cloning repository https://github.com/lawliet89/himitsu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lawliet89/himitsu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Fhimitsu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Fhimitsu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 376d8ae746483fe888f75e57e56518cdfbba97f1
[INFO] checking lawliet89/himitsu against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawliet89%2Fhimitsu" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lawliet89/himitsu on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lawliet89/himitsu
[INFO] finished tweaking git repo https://github.com/lawliet89/himitsu
[INFO] tweaked toml for git repo https://github.com/lawliet89/himitsu written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lawliet89/himitsu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.4.9
[INFO] [stderr]   Downloaded rpassword v1.0.2
[INFO] [stderr]   Downloaded serde_test v1.0.80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbf6b7c86a742773fbb5b1c2b2f9653f85412e593ce00c124bcdcf6c287c5ab8
[INFO] running `Command { std: "docker" "start" "-a" "cbf6b7c86a742773fbb5b1c2b2f9653f85412e593ce00c124bcdcf6c287c5ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbf6b7c86a742773fbb5b1c2b2f9653f85412e593ce00c124bcdcf6c287c5ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf6b7c86a742773fbb5b1c2b2f9653f85412e593ce00c124bcdcf6c287c5ab8", kill_on_drop: false }`
[INFO] [stdout] cbf6b7c86a742773fbb5b1c2b2f9653f85412e593ce00c124bcdcf6c287c5ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccc7308feb961da1056e9af8ccce3538c02281b6ce03f1eeaf0c0bc23f7db8a4
[INFO] running `Command { std: "docker" "start" "-a" "ccc7308feb961da1056e9af8ccce3538c02281b6ce03f1eeaf0c0bc23f7db8a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
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[INFO] [stderr]     Checking lazy_static v0.2.11
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[INFO] [stderr]     Checking remove_dir_all v0.5.1
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[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking rpassword v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
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[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking toml v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_test v1.0.80
[INFO] [stderr]     Checking libhimitsu v0.1.0 (/opt/rustwide/workdir/libhimitsu)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> libhimitsu/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / error_chain! {
[INFO] [stdout] 32 | |     foreign_links {
[INFO] [stdout] 33 | |         TemplateError(strfmt::FmtError);
[INFO] [stdout] 34 | |         EncodingError(rmps::encode::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> libhimitsu/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / error_chain! {
[INFO] [stdout] 32 | |     foreign_links {
[INFO] [stdout] 33 | |         TemplateError(strfmt::FmtError);
[INFO] [stdout] 34 | |         EncodingError(rmps::encode::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> libhimitsu/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / error_chain! {
[INFO] [stdout] 32 | |     foreign_links {
[INFO] [stdout] 33 | |         TemplateError(strfmt::FmtError);
[INFO] [stdout] 34 | |         EncodingError(rmps::encode::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> libhimitsu/src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / error_chain! {
[INFO] [stdout] 32 | |     foreign_links {
[INFO] [stdout] 33 | |         TemplateError(strfmt::FmtError);
[INFO] [stdout] 34 | |         EncodingError(rmps::encode::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |     }
[INFO] [stdout] 38 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking himitsu v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / error_chain!{
[INFO] [stdout] 25 | |     links {
[INFO] [stdout] 26 | |         VaultError(libhimitsu::Error, libhimitsu::ErrorKind);
[INFO] [stdout] 27 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:587:43
[INFO] [stdout]     |
[INFO] [stdout] 587 | fn input_reader(path: &str) -> Result<Box<Read>> {
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 587 | fn input_reader(path: &str) -> Result<Box<dyn Read>> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:598:44
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn output_writer(path: &str) -> Result<Box<Write>> {
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn output_writer(path: &str) -> Result<Box<dyn Write>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / error_chain!{
[INFO] [stdout] 25 | |     links {
[INFO] [stdout] 26 | |         VaultError(libhimitsu::Error, libhimitsu::ErrorKind);
[INFO] [stdout] 27 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:587:43
[INFO] [stdout]     |
[INFO] [stdout] 587 | fn input_reader(path: &str) -> Result<Box<Read>> {
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 587 | fn input_reader(path: &str) -> Result<Box<dyn Read>> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:598:44
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn output_writer(path: &str) -> Result<Box<Write>> {
[INFO] [stdout]     |                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 598 | fn output_writer(path: &str) -> Result<Box<dyn Write>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / error_chain!{
[INFO] [stdout] 25 | |     links {
[INFO] [stdout] 26 | |         VaultError(libhimitsu::Error, libhimitsu::ErrorKind);
[INFO] [stdout] 27 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / error_chain!{
[INFO] [stdout] 25 | |     links {
[INFO] [stdout] 26 | |         VaultError(libhimitsu::Error, libhimitsu::ErrorKind);
[INFO] [stdout] 27 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     }
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:169:14
[INFO] [stdout]     |
[INFO] [stdout] 169 |             .into_iter(),
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 169 |             .iter(),
[INFO] [stdout]     |              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         IntoIterator::into_iter([
[INFO] [stdout] 164 |             Some(&input),
[INFO] [stdout]   ...
[INFO] [stdout] 167 |             password.as_ref(),
[INFO] [stdout] 168 ~         ]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:231:53
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count([Some(&input), password.as_ref()].into_iter()) > 1 {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count([Some(&input), password.as_ref()].iter()) > 1 {
[INFO] [stdout]     |                                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count(IntoIterator::into_iter([Some(&input), password.as_ref()])) > 1 {
[INFO] [stdout]     |                   ++++++++++++++++++++++++                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:274:53
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count([Some(&input), password.as_ref()].into_iter()) > 1 {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count([Some(&input), password.as_ref()].iter()) > 1 {
[INFO] [stdout]     |                                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count(IntoIterator::into_iter([Some(&input), password.as_ref()])) > 1 {
[INFO] [stdout]     |                   ++++++++++++++++++++++++                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:169:14
[INFO] [stdout]     |
[INFO] [stdout] 169 |             .into_iter(),
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 169 |             .iter(),
[INFO] [stdout]     |              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 163 ~         IntoIterator::into_iter([
[INFO] [stdout] 164 |             Some(&input),
[INFO] [stdout]   ...
[INFO] [stdout] 167 |             password.as_ref(),
[INFO] [stdout] 168 ~         ]),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:231:53
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count([Some(&input), password.as_ref()].into_iter()) > 1 {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count([Some(&input), password.as_ref()].iter()) > 1 {
[INFO] [stdout]     |                                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 231 |     if dash_count(IntoIterator::into_iter([Some(&input), password.as_ref()])) > 1 {
[INFO] [stdout]     |                   ++++++++++++++++++++++++                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:274:53
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count([Some(&input), password.as_ref()].into_iter()) > 1 {
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count([Some(&input), password.as_ref()].iter()) > 1 {
[INFO] [stdout]     |                                                     ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 274 |     if dash_count(IntoIterator::into_iter([Some(&input), password.as_ref()])) > 1 {
[INFO] [stdout]     |                   ++++++++++++++++++++++++                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:734:71
[INFO] [stdout]     |
[INFO] [stdout] 734 |             dash_count::<String, std::slice::Iter<Option<String>>>([].into_iter())
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 734 |             dash_count::<String, std::slice::Iter<Option<String>>>([].iter())
[INFO] [stdout]     |                                                                       ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 734 |             dash_count::<String, std::slice::Iter<Option<String>>>(IntoIterator::into_iter([]))
[INFO] [stdout]     |                                                                    ++++++++++++++++++++++++  ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:739:87
[INFO] [stdout]     |
[INFO] [stdout] 739 |             dash_count::<String, std::slice::Iter<Option<String>>>([None, None, None].into_iter())
[INFO] [stdout]     |                                                                                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 739 |             dash_count::<String, std::slice::Iter<Option<String>>>([None, None, None].iter())
[INFO] [stdout]     |                                                                                       ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 739 |             dash_count::<String, std::slice::Iter<Option<String>>>(IntoIterator::into_iter([None, None, None]))
[INFO] [stdout]     |                                                                    ++++++++++++++++++++++++                  ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/main.rs:744:67
[INFO] [stdout]     |
[INFO] [stdout] 744 |             dash_count([Some("test"), None, Some("-"), Some("-")].into_iter())
[INFO] [stdout]     |                                                                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 744 |             dash_count([Some("test"), None, Some("-"), Some("-")].iter())
[INFO] [stdout]     |                                                                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 744 |             dash_count(IntoIterator::into_iter([Some("test"), None, Some("-"), Some("-")]))
[INFO] [stdout]     |                        ++++++++++++++++++++++++                                          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.80
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ccc7308feb961da1056e9af8ccce3538c02281b6ce03f1eeaf0c0bc23f7db8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc7308feb961da1056e9af8ccce3538c02281b6ce03f1eeaf0c0bc23f7db8a4", kill_on_drop: false }`
[INFO] [stdout] ccc7308feb961da1056e9af8ccce3538c02281b6ce03f1eeaf0c0bc23f7db8a4
