[INFO] cloning repository https://github.com/AmonRayfa/mabe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AmonRayfa/mabe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmonRayfa%2Fmabe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmonRayfa%2Fmabe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b63967a9b7f8581688de414f1bf33bfd30c09771
[INFO] checking AmonRayfa/mabe against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmonRayfa%2Fmabe" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AmonRayfa/mabe on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AmonRayfa/mabe
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/AmonRayfa/mabe
[INFO] tweaked toml for git repo https://github.com/AmonRayfa/mabe written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AmonRayfa/mabe 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5bdbab92eef910b31fd827c3cab6522ce3e3257d274d6ccfc05b8411028df83
[INFO] running `Command { std: "docker" "start" "-a" "d5bdbab92eef910b31fd827c3cab6522ce3e3257d274d6ccfc05b8411028df83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bdbab92eef910b31fd827c3cab6522ce3e3257d274d6ccfc05b8411028df83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bdbab92eef910b31fd827c3cab6522ce3e3257d274d6ccfc05b8411028df83", kill_on_drop: false }`
[INFO] [stdout] d5bdbab92eef910b31fd827c3cab6522ce3e3257d274d6ccfc05b8411028df83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab6395a67a08872e44dd65df7f31c4148f306abb2f13ee26730bb24d48da0fed
[INFO] running `Command { std: "docker" "start" "-a" "ab6395a67a08872e44dd65df7f31c4148f306abb2f13ee26730bb24d48da0fed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking mabe v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> tests/struct_variants.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Mabe)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> tests/tuple_variants.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Mabe)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     assert_eq!(error1.state(), "Error::Struct1 { msg: Something... }");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc-macro derive panicked
[INFO] [stdout]  --> tests/unit_variants.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Mabe)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |     assert_eq!(error1.error(), "The error message for Struct1. The placeholders are: 0, Something..., {0}, None, and {None}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     assert_eq!(error1.debug(), "The debug message for Struct1. The placeholders are: 007, 420, 000, and false.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 29 |     assert_eq!(error1.to_string(), "\n[error] The error message for Struct1. The placeholders are: 0, Something..., {0}, None, and {None}...
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     println!("{}", error1);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     assert_eq!(error2.state(), "Error::Struct2 { speed: 100 }");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     assert_eq!(error2.error(), "The error message for Struct2. The placeholders are: , {}, {msg}, 100, and height.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     assert_eq!(error2.debug(), "The debug message for Struct2. The placeholders are: comment, -0, 0, and 0.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 24 |     assert_eq!(error1.state(), "Error::Tuple1(x)");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     assert_eq!(error1.state(), "Error::Unit1");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 42 |     assert_eq!(error2.to_string(), "\n[error] The error message for Struct2. The placeholders are: , {}, {msg}, 100, and height.\n[debug]...
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     println!("{}", error2);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     assert_eq!(error1.error(), "The error message for Unit1. This is a test.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 25 |     assert_eq!(error1.error(), "The error message for Tuple1. The placeholders are: x, y, {0}, msg, and {cause}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 50 |     assert_eq!(error3.state(), "Error::Struct3 { comment: msg, height: 100487, ratio: 3.1415 }");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 57 |     assert_eq!(error1.debug(), "");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     assert_eq!(error1.debug(), "The debug message for Tuple1. The placeholders are: 007, 420, 000, and false.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     assert_eq!(error3.error(), "The error message for Struct3. The placeholders are: {0}, 3.1415, 100487, 2, and {--1}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 60 |     assert_eq!(error1.to_string(), "\n[error] The error message for Unit1. This is a test.");
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/struct_variants.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 52 |     assert_eq!(error3.debug(), "The debug message for Struct3. The placeholders are: msg, {0}, 3.1415, and {ratio}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |     println!("{}", error1);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 29 |     assert_eq!(error1.to_string(), "\n[error] The error message for Tuple1. The placeholders are: x, y, {0}, msg, and {cause}.\n[debug] T...
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 68 |     assert_eq!(error2.state(), "Error::Unit2");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 55 |     assert_eq!(error3.to_string(), "\n[error] The error message for Struct3. The placeholders are: {0}, 3.1415, 100487, 2, and {--1}.\n[d...
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:34:20
[INFO] [stdout]    |
[INFO] [stdout] 34 |     println!("{}", error1);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/struct_variants.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |     println!("{}", error3);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 69 |     assert_eq!(error2.error(), "The error message for Unit2. This is a {test}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[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] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 70 |     assert_eq!(error2.debug(), "The debug message for Unit2. This is a {test}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     assert_eq!(error2.state(), "Error::Tuple2(-53)");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mabe` (test "struct_variants") due to 16 previous errors
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 74 |         error2.to_string(),
[INFO] [stdout]    |                ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 |     println!("{}", error2);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     assert_eq!(error2.error(), "The error message for Tuple2. The placeholders are: , {}, {-53}, 1.5, and -53.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:84:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 84 |     assert_eq!(error3.state(), "Error::Unit3");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:85:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 85 |     assert_eq!(error3.error(), "The error message for Unit3. This is a test}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 39 |     assert_eq!(error2.debug(), "The debug message for Tuple2. The placeholders are: -53, -0, -53, and 0.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/unit_variants.rs:86:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 86 |     assert_eq!(error3.debug(), "The debug message for Unit3. This is a {test.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:42:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 42 |     assert_eq!(error2.to_string(), "\n[error] The error message for Tuple2. The placeholders are: , {}, {-53}, 1.5, and -53.\n[debug] The...
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:47:20
[INFO] [stdout]    |
[INFO] [stdout] 47 |     println!("{}", error2);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 90 |         error3.to_string(),
[INFO] [stdout]    |                ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/unit_variants.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 97 |     println!("{}", error3);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 100 |     assert_eq!(error4.state(), "Error::Unit4");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 50 |     assert_eq!(error3.state(), "Error::Tuple3(msg, 100487, 3.1415)");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:51:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     assert_eq!(error3.error(), "The error message for Tuple3. The placeholders are: {0}, 3.1415, 100487, 3.1415, and {--1}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 101 |     assert_eq!(error4.error(), "The error message for Unit4. This is a {test.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 102 |     assert_eq!(error4.debug(), "The debug message for Unit4. This is a test}.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]   --> tests/tuple_variants.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 52 |     assert_eq!(error3.debug(), "The debug message for Tuple3. The placeholders are: 100487, {msg}, 3.1415, and {1}.");
[INFO] [stdout]    |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:106:16
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 106 |         error4.to_string(),
[INFO] [stdout]     |                ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |     println!("{}", error4);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum Error {
[INFO] [stdout]    | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 55 |     assert_eq!(error3.to_string(), "\n[error] The error message for Tuple3. The placeholders are: {0}, 3.1415, 100487, 3.1415, and {--1}....
[INFO] [stdout]    |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Error: std::fmt::Display`
[INFO] [stdout]            which is required by `Error: ToString`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]   --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> tests/tuple_variants.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |     println!("{}", error3);
[INFO] [stdout]    |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 116 |     assert_eq!(error5.state(), "Error::Unit5");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[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] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:117:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 117 |     assert_eq!(error5.error(), "The error message for Unit5. This is a test}}.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:118:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 118 |     assert_eq!(error5.debug(), "The debug message for Unit5. This is a {{test.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mabe` (test "tuple_variants") due to 16 previous errors
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 122 |         error5.to_string(),
[INFO] [stdout]     |                ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |     println!("{}", error5);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 132 |     assert_eq!(error6.state(), "Error::Unit6");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:133:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 133 |     assert_eq!(error6.error(), "The error message for Unit6. This is a {test}.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 134 |     assert_eq!(error6.debug(), "The debug message for Unit6. This is a test}} and a {{{test.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:138:16
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 138 |         error6.to_string(),
[INFO] [stdout]     |                ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:145:20
[INFO] [stdout]     |
[INFO] [stdout] 145 |     println!("{}", error6);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:148:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 148 |     assert_eq!(error7.state(), "Error::Unit7");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:149:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 149 |     assert_eq!(error7.error(), "The error message for Unit7. This is a {test}} and a {{test}.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:150:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 150 |     assert_eq!(error7.debug(), "The debug message for Unit7. This is a test}.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:153:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 153 |     assert_eq!(error7.to_string(), "\n[error] The error message for Unit7. This is a {test}} and a {{test}.\n[debug] The debug message fo...
[INFO] [stdout]     |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:158:20
[INFO] [stdout]     |
[INFO] [stdout] 158 |     println!("{}", error7);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:161:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 161 |     assert_eq!(error8.state(), "Error::Unit8");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:162:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 162 |     assert_eq!(error8.error(), "The error message for Unit8. This is a { test }.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:163:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 163 |     assert_eq!(error8.debug(), "The debug message for Unit8. This is a  test  and a { test }.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 166 |     assert_eq!(error8.to_string(), "\n[error] The error message for Unit8. This is a { test }.\n[debug] The debug message for Unit8. This...
[INFO] [stdout]     |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:171:20
[INFO] [stdout]     |
[INFO] [stdout] 171 |     println!("{}", error8);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:174:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 174 |     assert_eq!(error9.state(), "Error::Unit9");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:175:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 175 |     assert_eq!(error9.error(), "The error message for Unit9. This is a  test{ }.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:176:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 176 |     assert_eq!(error9.debug(), "The debug message for Unit9. This is a  {test } and a { test }.");
[INFO] [stdout]     |                       ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:179:23
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 179 |     assert_eq!(error9.to_string(), "\n[error] The error message for Unit9. This is a  test{ }.\n[debug] The debug message for Unit9. This...
[INFO] [stdout]     |                       ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |     println!("{}", error9);
[INFO] [stdout]     |                    ^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:187:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 187 |     assert_eq!(error10.state(), "Error::Unit10");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:188:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 188 |     assert_eq!(error10.error(), "The error message for Unit10. This is a {test{}} and a {test}.");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 189 |     assert_eq!(error10.debug(), "The debug message for Unit10. This is a {test{}.");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:192:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 192 |     assert_eq!(error10.to_string(), "\n[error] The error message for Unit10. This is a {test{}} and a {test}.\n[debug] The debug message ...
[INFO] [stdout]     |                        ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |     println!("{}", error10);
[INFO] [stdout]     |                    ^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `state` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:200:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `state` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 200 |     assert_eq!(error11.state(), "Error::Unit11");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `error` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:201:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `error` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 201 |     assert_eq!(error11.error(), "The error message for Unit11. This is a {{}test{}.");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `debug` found for enum `Error` in the current scope
[INFO] [stdout]    --> tests/unit_variants.rs:202:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `debug` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 202 |     assert_eq!(error11.debug(), "The debug message for Unit11. This is a {test and a test{{}}.");
[INFO] [stdout]     |                        ^^^^^ method not found in `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 7   | enum Error {
[INFO] [stdout]     | ---------- method `to_string` not found for this enum because it doesn't satisfy `Error: ToString` or `Error: std::fmt::Display`
[INFO] [stdout] ...
[INFO] [stdout] 205 |     assert_eq!(error11.to_string(), "\n[error] The error message for Unit11. This is a {{}test{}.\n[debug] The debug message for Unit11. ...
[INFO] [stdout]     |                        ^^^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Error: std::fmt::Display`
[INFO] [stdout]             which is required by `Error: ToString`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout] note: the trait `std::fmt::Display` must be implemented
[INFO] [stdout]    --> /rustc/46424fb5054f211ec836c5c03159f92e46bb35ac/library/core/src/fmt/mod.rs:1018:1
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `to_string`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `ToString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Error` doesn't implement `std::fmt::Display`
[INFO] [stdout]    --> tests/unit_variants.rs:210:20
[INFO] [stdout]     |
[INFO] [stdout] 210 |     println!("{}", error11);
[INFO] [stdout]     |                    ^^^^^^^ `Error` cannot be formatted with the default formatter
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::fmt::Display` is not implemented for `Error`
[INFO] [stdout]     = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]     = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `mabe` (test "unit_variants") due to 56 previous errors
[INFO] running `Command { std: "docker" "inspect" "ab6395a67a08872e44dd65df7f31c4148f306abb2f13ee26730bb24d48da0fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6395a67a08872e44dd65df7f31c4148f306abb2f13ee26730bb24d48da0fed", kill_on_drop: false }`
[INFO] [stdout] ab6395a67a08872e44dd65df7f31c4148f306abb2f13ee26730bb24d48da0fed
