[INFO] cloning repository https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c78a294ad33618292d19812762f5e6f40b82412
[INFO] testing ishikawa/example-rust-clap-derive-api-arg-enum against try#bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b for pr-154756
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishikawa%2Fexample-rust-clap-derive-api-arg-enum" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] finished tweaking git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum
[INFO] tweaked toml for git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum on toolchain bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ishikawa/example-rust-clap-derive-api-arg-enum 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" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93f2b7b93cd2d59f26010c2fc801f5d8fc0802f6513a6c77fa10789633641134
[INFO] running `Command { std: "docker" "start" "-a" "93f2b7b93cd2d59f26010c2fc801f5d8fc0802f6513a6c77fa10789633641134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93f2b7b93cd2d59f26010c2fc801f5d8fc0802f6513a6c77fa10789633641134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f2b7b93cd2d59f26010c2fc801f5d8fc0802f6513a6c77fa10789633641134", kill_on_drop: false }`
[INFO] [stdout] 93f2b7b93cd2d59f26010c2fc801f5d8fc0802f6513a6c77fa10789633641134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c6f54aef5cde76c993666a712c7183fcb942b864159d1cf59ba268388d1377
[INFO] running `Command { std: "docker" "start" "-a" "e9c6f54aef5cde76c993666a712c7183fcb942b864159d1cf59ba268388d1377", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling clap v3.1.9
[INFO] [stderr]    Compiling example-rust-clap-derive-api-arg-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[derive(ArgEnum)]` only supports non-unit variants, unless they are skipped
[INFO] [stdout]   --> src/bin/example-2.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error { panic: bool },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `example-rust-clap-derive-api-arg-enum` (bin "example-2") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e9c6f54aef5cde76c993666a712c7183fcb942b864159d1cf59ba268388d1377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c6f54aef5cde76c993666a712c7183fcb942b864159d1cf59ba268388d1377", kill_on_drop: false }`
[INFO] [stdout] e9c6f54aef5cde76c993666a712c7183fcb942b864159d1cf59ba268388d1377