[INFO] cloning repository https://github.com/nixpulvis/take5
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nixpulvis/take5" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Ftake5", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Ftake5'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a51902d52e0a230369d1c41d28c1dce437d670
[INFO] checking nixpulvis/take5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Ftake5" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nixpulvis/take5
[INFO] finished tweaking git repo https://github.com/nixpulvis/take5
[INFO] tweaked toml for git repo https://github.com/nixpulvis/take5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nixpulvis/take5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nixpulvis/take5 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-1-tc1/source/take5-ext/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-1-tc1/source/take5-remote/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /workspace/builds/worker-1-tc1/source/take5-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cfd1b872935555f5607959c560d2e786f1f8ce66aeb4c822b40cbace78c4e23
[INFO] running `Command { std: "docker" "start" "-a" "6cfd1b872935555f5607959c560d2e786f1f8ce66aeb4c822b40cbace78c4e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cfd1b872935555f5607959c560d2e786f1f8ce66aeb4c822b40cbace78c4e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfd1b872935555f5607959c560d2e786f1f8ce66aeb4c822b40cbace78c4e23", kill_on_drop: false }`
[INFO] [stdout] 6cfd1b872935555f5607959c560d2e786f1f8ce66aeb4c822b40cbace78c4e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8805bc29f94b1c27ff157917cd756e9e49e3d5fb14d4e4fbe981a540cd3cd554
[INFO] running `Command { std: "docker" "start" "-a" "8805bc29f94b1c27ff157917cd756e9e49e3d5fb14d4e4fbe981a540cd3cd554", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/take5-remote/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/take5-cli/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: /opt/rustwide/workdir/take5-ext/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking take5 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking take5-ext v0.2.0 (/opt/rustwide/workdir/take5-ext)
[INFO] [stderr]     Checking take5-remote v0.1.0 (/opt/rustwide/workdir/take5-remote)
[INFO] [stderr]     Checking take5-cli v0.2.0 (/opt/rustwide/workdir/take5-cli)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/client.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             stream: try!(TcpStream::connect(server)),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/client.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut reader = try!(self.stream.try_clone());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/client.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 try!(self.handle_message(message));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/client.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(self.stream.write(json.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> take5-remote/src/player_proxy.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub player: Box<Player>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub player: Box<dyn Player>,
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> take5-remote/src/client.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new<S>(server: S, player: Box<Player>, newline: bool) -> Result<Self, Error>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new<S>(server: S, player: Box<dyn Player>, newline: bool) -> Result<Self, Error>
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/client.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             stream: try!(TcpStream::connect(server)),
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/client.rs:95:26
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut reader = try!(self.stream.try_clone());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/client.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 try!(self.handle_message(message));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/client.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |         try!(self.stream.write(json.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> take5-remote/src/starting_hand/err.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn cause(&self) -> Option<&error::Error> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> take5-remote/src/player_proxy.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub player: Box<Player>,
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub player: Box<dyn Player>,
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> take5-remote/src/client.rs:72:42
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new<S>(server: S, player: Box<Player>, newline: bool) -> Result<Self, Error>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn new<S>(server: S, player: Box<dyn Player>, newline: bool) -> Result<Self, Error>
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> take5-remote/src/starting_hand/err.rs:16:32
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn cause(&self) -> Option<&error::Error> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> take5-remote/src/client.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut reader = try!(self.stream.try_clone());
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[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]  --> take5-remote/src/wrapper/board.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout]   |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in IntoIterator::into_iter(stacks).zip(take5::StackId::all().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]  --> take5-remote/src/wrapper/board.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().iter()) {
[INFO] [stdout]   |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.into_iter().zip(IntoIterator::into_iter(take5::StackId::all())) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> take5-remote/src/client.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut reader = try!(self.stream.try_clone());
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> take5-remote/src/game_state.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         deck.split_off(10);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = deck.split_off(10);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> take5-remote/src/starting_hand/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         cards.split_off(10);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let _ = cards.split_off(10);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> take5-remote/src/starting_hand/mod.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         cards.split_off(9);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let _ = cards.split_off(9);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> take5-remote/src/starting_hand/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         cards.split_off(11);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = cards.split_off(11);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> take5-remote/src/starting_hand/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         cards.split_off(10);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = cards.split_off(10);
[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]  --> take5-remote/src/wrapper/board.rs:9:35
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]   = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout]   |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in IntoIterator::into_iter(stacks).zip(take5::StackId::all().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]  --> take5-remote/src/wrapper/board.rs:9:73
[INFO] [stdout]   |
[INFO] [stdout] 9 |         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().iter()) {
[INFO] [stdout]   |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]   |
[INFO] [stdout] 9 -         for (stack, id) in stacks.into_iter().zip(take5::StackId::all().into_iter()) {
[INFO] [stdout] 9 +         for (stack, id) in stacks.into_iter().zip(IntoIterator::into_iter(take5::StackId::all())) {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(file.read_to_string(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let requests = try!(read_file(format!("test/{}-in.json", id)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let responses = try!(read_file(format!("test/{}-out.json", id)));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (test_requests, test_responses) = try!(open_test(id));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let reader = try!(writer.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(writer.write(line.as_bytes()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 try!(buf.read_line(&mut actual_result));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/bin/tester.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(writer.write(line.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     try!(file.read_to_string(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:39:20
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file = try!(File::open(path));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let requests = try!(read_file(format!("test/{}-in.json", id)));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let responses = try!(read_file(format!("test/{}-out.json", id)));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (test_requests, test_responses) = try!(open_test(id));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let reader = try!(writer.try_clone());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(writer.write(line.as_bytes()));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> take5-remote/src/bin/tester.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 try!(buf.read_line(&mut actual_result));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> take5-remote/src/bin/tester.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(writer.write(line.as_bytes()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "8805bc29f94b1c27ff157917cd756e9e49e3d5fb14d4e4fbe981a540cd3cd554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8805bc29f94b1c27ff157917cd756e9e49e3d5fb14d4e4fbe981a540cd3cd554", kill_on_drop: false }`
[INFO] [stdout] 8805bc29f94b1c27ff157917cd756e9e49e3d5fb14d4e4fbe981a540cd3cd554
