[INFO] cloning repository https://github.com/fr-therook/sacrifice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fr-therook/sacrifice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr-therook%2Fsacrifice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr-therook%2Fsacrifice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2c4c2eb5abcfcc44008e59abc1b4963ad46de43
[INFO] checking fr-therook/sacrifice against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffr-therook%2Fsacrifice" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fr-therook/sacrifice
[INFO] finished tweaking git repo https://github.com/fr-therook/sacrifice
[INFO] tweaked toml for git repo https://github.com/fr-therook/sacrifice written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fr-therook/sacrifice on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fr-therook/sacrifice 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded circular v0.3.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.109
[INFO] [stderr]   Downloaded cxx-build v1.0.109
[INFO] [stderr]   Downloaded pgn-reader v0.25.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.109
[INFO] [stderr]   Downloaded cxx v1.0.109
[INFO] [stderr]   Downloaded shakmaty v0.26.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb
[INFO] running `Command { std: "docker" "start" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.109
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking btoi v0.4.3
[INFO] [stderr]     Checking shakmaty v0.26.0
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.109
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.109
[INFO] [stderr]     Checking pgn-reader v0.25.0
[INFO] [stderr]     Checking sacrifice v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sacrifice-ffi v0.3.0-alpha.3 (/opt/rustwide/workdir/ffi)
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/tests.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     println!("{:64}", game);
[INFO] [stdout]    |               -----   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/bin/example.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", game); // exports the PGN string
[INFO] [stdout]   |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]   |               |
[INFO] [stdout]   |               required by this formatting parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `root` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]   --> src/bin/example.rs:7:25
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut root = game.root();
[INFO] [stdout]    |                         ^^^^ method not found in `Result<Game, std::io::Error>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `root` exists on the type `Game`
[INFO] [stdout]   --> src/game/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn root(&self) -> Node {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Game` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut root = game.expect("REASON").root();
[INFO] [stdout]    |                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}", game); // exports the PGN string after 2. Nf3
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     println!("{}", game);
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     println!("{}", game); // 1. e4 (1. d4) 1... c5
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sacrifice` (lib test) due to 1 previous error
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sacrifice` (bin "example" test) due to 5 previous errors
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/bin/example.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     println!("{}", game); // exports the PGN string
[INFO] [stdout]   |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]   |               |
[INFO] [stdout]   |               required by this formatting parameter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     _ => unreachable!(),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout] ...
[INFO] [stdout] 111 | convert_enum!(sac::Color, ffi::Color, Black, White,);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     $(<$src>::$variant => <$dst>::$variant,)*
[INFO] [stdout]     |                       ----------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       matches some of the same values
[INFO] [stdout]     |                       matches some of the same values
[INFO] [stdout] 104 |                     _ => unreachable!(),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] ...
[INFO] [stdout] 111 | convert_enum!(sac::Color, ffi::Color, Black, White,);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `convert_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       _ => unreachable!(),
[INFO] [stdout]     |                       ^ no value can reach this
[INFO] [stdout] ...
[INFO] [stdout] 113 | / convert_enum!(
[INFO] [stdout] 114 | |     sac::Role,
[INFO] [stdout] 115 | |     ffi::Role,
[INFO] [stdout] 116 | |     Pawn,
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     King,
[INFO] [stdout] 122 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                       $(<$src>::$variant => <$dst>::$variant,)*
[INFO] [stdout]     |                         ----------------
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout] 104 |                       _ => unreachable!(),
[INFO] [stdout]     |                       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout] ...
[INFO] [stdout] 113 | / convert_enum!(
[INFO] [stdout] 114 | |     sac::Role,
[INFO] [stdout] 115 | |     ffi::Role,
[INFO] [stdout] 116 | |     Pawn,
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     King,
[INFO] [stdout] 122 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `convert_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `root` found for enum `Result<T, E>` in the current scope
[INFO] [stdout]   --> src/bin/example.rs:7:25
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut root = game.root();
[INFO] [stdout]    |                         ^^^^ method not found in `Result<Game, std::io::Error>`
[INFO] [stdout]    |
[INFO] [stdout] note: the method `root` exists on the type `Game`
[INFO] [stdout]   --> src/game/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn root(&self) -> Node {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `Game` value, panicking if the value is a `Result::Err`
[INFO] [stdout]    |
[INFO] [stdout]  7 |     let mut root = game.expect("REASON").root();
[INFO] [stdout]    |                        +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |     println!("{}", game); // exports the PGN string after 2. Nf3
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     println!("{}", game);
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Result<Game, std::io::Error>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/bin/example.rs:33:20
[INFO] [stdout]    |
[INFO] [stdout] 33 |     println!("{}", game); // 1. e4 (1. d4) 1... c5
[INFO] [stdout]    |               --   ^^^^ `Result<Game, std::io::Error>` cannot be formatted with the default formatter
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by this formatting parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Result<Game, std::io::Error>`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sacrifice` (bin "example") due to 5 previous errors
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                     _ => unreachable!(),
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout] ...
[INFO] [stdout] 111 | convert_enum!(sac::Color, ffi::Color, Black, White,);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                     $(<$src>::$variant => <$dst>::$variant,)*
[INFO] [stdout]     |                       ----------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       matches some of the same values
[INFO] [stdout]     |                       matches some of the same values
[INFO] [stdout] 104 |                     _ => unreachable!(),
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout] ...
[INFO] [stdout] 111 | convert_enum!(sac::Color, ffi::Color, Black, White,);
[INFO] [stdout]     | ---------------------------------------------------- in this macro invocation
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `convert_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 104 |                       _ => unreachable!(),
[INFO] [stdout]     |                       ^ no value can reach this
[INFO] [stdout] ...
[INFO] [stdout] 113 | / convert_enum!(
[INFO] [stdout] 114 | |     sac::Role,
[INFO] [stdout] 115 | |     ffi::Role,
[INFO] [stdout] 116 | |     Pawn,
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     King,
[INFO] [stdout] 122 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> ffi/src/lib.rs:104:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |                       $(<$src>::$variant => <$dst>::$variant,)*
[INFO] [stdout]     |                         ----------------
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout]     |                         matches some of the same values
[INFO] [stdout] 104 |                       _ => unreachable!(),
[INFO] [stdout]     |                       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout] ...
[INFO] [stdout] 113 | / convert_enum!(
[INFO] [stdout] 114 | |     sac::Role,
[INFO] [stdout] 115 | |     ffi::Role,
[INFO] [stdout] 116 | |     Pawn,
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     King,
[INFO] [stdout] 122 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     = note: this warning originates in the macro `convert_enum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb", kill_on_drop: false }`
[INFO] [stdout] 6ae435be018ce091df9193a817f0731dd0d6a62f98f342ca866d29f37f8bfceb
