[INFO] cloning repository https://github.com/orin220444/linkfinder_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/orin220444/linkfinder_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forin220444%2Flinkfinder_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forin220444%2Flinkfinder_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bef838c5c1da85616adbfc58fbdb2b680a2c85b
[INFO] testing orin220444/linkfinder_rust against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Forin220444%2Flinkfinder_rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/orin220444/linkfinder_rust on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/orin220444/linkfinder_rust
[INFO] finished tweaking git repo https://github.com/orin220444/linkfinder_rust
[INFO] tweaked toml for git repo https://github.com/orin220444/linkfinder_rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/orin220444/linkfinder_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90fe45d643aa567fd161155e4260bf574d221401f0c8b9e959365223b7f2ac33
[INFO] running `Command { std: "docker" "start" "-a" "90fe45d643aa567fd161155e4260bf574d221401f0c8b9e959365223b7f2ac33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90fe45d643aa567fd161155e4260bf574d221401f0c8b9e959365223b7f2ac33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fe45d643aa567fd161155e4260bf574d221401f0c8b9e959365223b7f2ac33", kill_on_drop: false }`
[INFO] [stdout] 90fe45d643aa567fd161155e4260bf574d221401f0c8b9e959365223b7f2ac33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91348a0002c5ab269d4bcf21db28eee8643bcd6de180b3b6c7d2413c4a316be6
[INFO] running `Command { std: "docker" "start" "-a" "91348a0002c5ab269d4bcf21db28eee8643bcd6de180b3b6c7d2413c4a316be6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]    Compiling structopt v0.3.14
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling linkfinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0774]: `derive` may only be applied to structs, enums and unions
[INFO] [stdout]   --> src/main.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[derive(Debug)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 |   ///get all the data from the file to a variable
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 15 | / let content = std::fs::read_to_string(&args.path)
[INFO] [stdout] 16 | | .expect("could not read file");
[INFO] [stdout]    | |_______________________________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::fmt::Debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/main.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | / fn main() {
[INFO] [stdout] 13 | | let args = Cli::from_args();
[INFO] [stdout] 14 | | ///get all the data from the file to a variable
[INFO] [stdout] 15 | | let content = std::fs::read_to_string(&args.path)
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | | serde_json::from_str(&content)?;//.expect("JSON not well-formatted");
[INFO] [stdout]    | |                               ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, serde_json::Error>>` is not implemented for `()`
[INFO] [stdout]    = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Entity: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/main.rs:30:1
[INFO] [stdout]      |
[INFO] [stdout] 30   | serde_json::from_str(&content)?;//.expect("JSON not well-formatted");
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `Entity`
[INFO] [stdout]      | 
[INFO] [stdout]     ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.51/src/de.rs:2397:8
[INFO] [stdout]      |
[INFO] [stdout] 2397 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ------------------- required by this bound in `serde_json::from_str`
[INFO] [stdout]      |
[INFO] [stdout]      = note: required because of the requirements on the impl of `Deserialize<'_>` for `Vec<Entity>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Entity` doesn't implement `Debug`
[INFO] [stdout]   --> src/main.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 | println!("entities: {:#?}",entities);
[INFO] [stdout]    |                            ^^^^^^^^ `Entity` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Entity`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Debug` for `Vec<Entity>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Entity` doesn't implement `Debug`
[INFO] [stdout]   --> src/main.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | println!("{:#?}", [i]);
[INFO] [stdout]    |                   ^^^ `Entity` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Debug` is not implemented for `Entity`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `Debug` for `[Entity; 1]`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0774.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linkfinder`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "91348a0002c5ab269d4bcf21db28eee8643bcd6de180b3b6c7d2413c4a316be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91348a0002c5ab269d4bcf21db28eee8643bcd6de180b3b6c7d2413c4a316be6", kill_on_drop: false }`
[INFO] [stdout] 91348a0002c5ab269d4bcf21db28eee8643bcd6de180b3b6c7d2413c4a316be6
