[INFO] cloning repository https://github.com/matt-williams/enum-from-derive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-williams/enum-from-derive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Fenum-from-derive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Fenum-from-derive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3335f2976aabda0dadd3b4e349efaa765c631798
[INFO] testing matt-williams/enum-from-derive against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-williams%2Fenum-from-derive" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-williams/enum-from-derive on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt-williams/enum-from-derive
[INFO] finished tweaking git repo https://github.com/matt-williams/enum-from-derive
[INFO] tweaked toml for git repo https://github.com/matt-williams/enum-from-derive written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-williams/enum-from-derive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 quote v0.3.12
[INFO] [stderr]   Downloaded syn v0.11.4
[INFO] [stderr]   Downloaded try_from v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c032bf10b7a19ecb8405275e33a7aea565c118d73ad16c7215e616f53e2c3c04
[INFO] running `Command { std: "docker" "start" "-a" "c032bf10b7a19ecb8405275e33a7aea565c118d73ad16c7215e616f53e2c3c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c032bf10b7a19ecb8405275e33a7aea565c118d73ad16c7215e616f53e2c3c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c032bf10b7a19ecb8405275e33a7aea565c118d73ad16c7215e616f53e2c3c04", kill_on_drop: false }`
[INFO] [stdout] c032bf10b7a19ecb8405275e33a7aea565c118d73ad16c7215e616f53e2c3c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166fe46bce3496d0db347e03c78bb0b791634b10c4578e44e18e602c2660021e
[INFO] running `Command { std: "docker" "start" "-a" "166fe46bce3496d0db347e03c78bb0b791634b10c4578e44e18e602c2660021e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling enum-from-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:20:87
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit va...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:50:87
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                    +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "166fe46bce3496d0db347e03c78bb0b791634b10c4578e44e18e602c2660021e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166fe46bce3496d0db347e03c78bb0b791634b10c4578e44e18e602c2660021e", kill_on_drop: false }`
[INFO] [stdout] 166fe46bce3496d0db347e03c78bb0b791634b10c4578e44e18e602c2660021e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f388dcd95d57a78348e1d4501054f9d67e3ccc03265365692694b35bbd9d5743
[INFO] running `Command { std: "docker" "start" "-a" "f388dcd95d57a78348e1d4501054f9d67e3ccc03265365692694b35bbd9d5743", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling try_from v0.2.1
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:20:87
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit va...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:50:87
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                    +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enum-from-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> tests/u64.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     U16Enum::from(3 as u64);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> tests/u8.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     U8Enum::from(3 as u8);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> tests/u32.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     U32Enum::from(3 as u32);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:20:87
[INFO] [stdout]    |
[INFO] [stdout] 20 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit va...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                 +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/lib.rs:50:87
[INFO] [stdout]    |
[INFO] [stdout] 50 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit...
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values", ...)))
[INFO] [stdout]    |                                                                                                                                                    +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stdout]    |                                                                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]   --> tests/u16.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     U16Enum::from(3 as u16);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "f388dcd95d57a78348e1d4501054f9d67e3ccc03265365692694b35bbd9d5743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f388dcd95d57a78348e1d4501054f9d67e3ccc03265365692694b35bbd9d5743", kill_on_drop: false }`
[INFO] [stdout] f388dcd95d57a78348e1d4501054f9d67e3ccc03265365692694b35bbd9d5743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fbc61d1e375c193a43c0cbce68ab1fc3e0218d0502f5a51187588cb9574140a
[INFO] running `Command { std: "docker" "start" "-a" "7fbc61d1e375c193a43c0cbce68ab1fc3e0218d0502f5a51187588cb9574140a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/lib.rs:20:87
[INFO] [stderr]    |
[INFO] [stderr] 20 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit va...
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumFrom}] requires all variants to have explicit values", ...)))
[INFO] [stderr]    |                                                                                                                                                 +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 20 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/lib.rs:50:87
[INFO] [stderr]    |
[INFO] [stderr] 50 | ...   .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit...
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("#[derive{EnumTryFrom}] requires all variants to have explicit values", ...)))
[INFO] [stderr]    |                                                                                                                                                    +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 50 |         .map(|variant| variant.discriminant.clone().unwrap_or_else(|| panic!("{}", "#[derive{EnumTryFrom}] requires all variants to have explicit values")))
[INFO] [stderr]    |                                                                              +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `enum-from-derive` (lib) generated 2 warnings
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]   --> tests/u16.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     U16Enum::from(3 as u16);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]   --> tests/u32.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     U32Enum::from(3 as u32);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]   --> tests/u64.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     U16Enum::from(3 as u64);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]   --> tests/u8.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     U8Enum::from(3 as u8);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `enum-from-derive` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `enum-from-derive` (test "u16") generated 1 warning
[INFO] [stderr] warning: `enum-from-derive` (test "u32") generated 1 warning
[INFO] [stderr] warning: `enum-from-derive` (test "u64") generated 1 warning
[INFO] [stderr] warning: `enum-from-derive` (test "u8") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enum_from_derive-b378caac435d8720)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u16.rs (/opt/rustwide/target/debug/deps/u16-8b172bdab5cf959f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test u16enum_bar_from ... ok
[INFO] [stdout] test u16enum_foo_from ... ok
[INFO] [stdout] test u16enum_bar_try_from ... ok
[INFO] [stdout] test u16enum_foo_try_from ... ok
[INFO] [stdout] test u16enum_unknown_try_from ... ok
[INFO] [stdout] test u16enum_unknown_from - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u32.rs (/opt/rustwide/target/debug/deps/u32-790a814702681a4d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test u32enum_bar_from ... ok
[INFO] [stdout] test u32enum_bar_try_from ... ok
[INFO] [stdout] test u32enum_foo_from ... ok
[INFO] [stdout] test u32enum_foo_try_from ... ok
[INFO] [stdout] test u32enum_unknown_try_from ... ok
[INFO] [stdout] test u32enum_unknown_from - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u64.rs (/opt/rustwide/target/debug/deps/u64-f3a7ac3f4bbba38b)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test u64enum_bar_from ... ok
[INFO] [stdout] test u64enum_bar_try_from ... ok
[INFO] [stdout] test u64enum_foo_from ... ok
[INFO] [stdout] test u64enum_foo_try_from ... ok
[INFO] [stdout] test u64enum_unknown_try_from ... ok
[INFO] [stdout] test u64enum_unknown_from - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u8.rs (/opt/rustwide/target/debug/deps/u8-b45b59f6c843d2c6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test u8enum_bar_from ... ok
[INFO] [stdout] test u8enum_bar_try_from ... ok
[INFO] [stdout] test u8enum_foo_from ... ok
[INFO] [stdout] test u8enum_foo_try_from ... ok
[INFO] [stdout] test u8enum_unknown_try_from ... ok
[INFO] [stdout] test u8enum_unknown_from - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enum-from-derive
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fbc61d1e375c193a43c0cbce68ab1fc3e0218d0502f5a51187588cb9574140a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbc61d1e375c193a43c0cbce68ab1fc3e0218d0502f5a51187588cb9574140a", kill_on_drop: false }`
[INFO] [stdout] 7fbc61d1e375c193a43c0cbce68ab1fc3e0218d0502f5a51187588cb9574140a