[INFO] cloning repository https://github.com/svmk/derive_value_object
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svmk/derive_value_object" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmk%2Fderive_value_object", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmk%2Fderive_value_object'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4956b8a7ba43243c96cc5d64e835fa8fc790f2a2
[INFO] checking svmk/derive_value_object against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvmk%2Fderive_value_object" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svmk/derive_value_object on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/svmk/derive_value_object
[INFO] finished tweaking git repo https://github.com/svmk/derive_value_object
[INFO] tweaked toml for git repo https://github.com/svmk/derive_value_object written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/svmk/derive_value_object already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 493940d94b8245a44521560ba17e603e73ed670e613221b7febf256737176cd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "493940d94b8245a44521560ba17e603e73ed670e613221b7febf256737176cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "493940d94b8245a44521560ba17e603e73ed670e613221b7febf256737176cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493940d94b8245a44521560ba17e603e73ed670e613221b7febf256737176cd6", kill_on_drop: false }`
[INFO] [stdout] 493940d94b8245a44521560ba17e603e73ed670e613221b7febf256737176cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c8dfe9a68cb04f7347e51fe07b1a4b2604331ebd1e9fc4a089fc60e9f23637
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6c8dfe9a68cb04f7347e51fe07b1a4b2604331ebd1e9fc4a089fc60e9f23637", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking darling_core v0.12.0
[INFO] [stderr]    Compiling darling_macro v0.12.0
[INFO] [stderr]     Checking darling v0.12.0
[INFO] [stderr]     Checking derive_value_object v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::string::String`
[INFO] [stdout]  --> tests/test_derive_value_object.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Debug, ValueObject)]
[INFO] [stdout]   |                               ^ the trait `From<Infallible>` is not implemented for `std::string::String`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]   = help: the following implementations were found:
[INFO] [stdout]             <std::string::String as From<&mut str>>
[INFO] [stdout]             <std::string::String as From<&std::string::String>>
[INFO] [stdout]             <std::string::String as From<&str>>
[INFO] [stdout]             <std::string::String as From<Box<str>>>
[INFO] [stdout]           and 2 others
[INFO] [stdout]   = note: required because of the requirements on the impl of `FromResidual<Result<Infallible, Infallible>>` for `Result<Value, std::string::String>`
[INFO] [stdout]   = note: required by `from_residual`
[INFO] [stdout]   = note: this error originates in the derive macro `ValueObject` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `derive_value_object` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e6c8dfe9a68cb04f7347e51fe07b1a4b2604331ebd1e9fc4a089fc60e9f23637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c8dfe9a68cb04f7347e51fe07b1a4b2604331ebd1e9fc4a089fc60e9f23637", kill_on_drop: false }`
[INFO] [stdout] e6c8dfe9a68cb04f7347e51fe07b1a4b2604331ebd1e9fc4a089fc60e9f23637