[INFO] cloning repository https://github.com/Exotik850/bbmodel-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Exotik850/bbmodel-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExotik850%2Fbbmodel-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExotik850%2Fbbmodel-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9b66f9a522e6ceae0b212918c6ef7e685d4176f
[INFO] testing Exotik850/bbmodel-rs against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FExotik850%2Fbbmodel-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Exotik850/bbmodel-rs
[INFO] finished tweaking git repo https://github.com/Exotik850/bbmodel-rs
[INFO] tweaked toml for git repo https://github.com/Exotik850/bbmodel-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Exotik850/bbmodel-rs on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Exotik850/bbmodel-rs 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54
[INFO] running `Command { std: "docker" "start" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_with_macros v3.21.0
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[INFO] [stderr]    Compiling bbmodel-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling bbmodel-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bbmodel_rs-362b5e370be3ac8f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_deserialize_bbmodel ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bbmodel_rs
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/../README.md - (line 23) ... FAILED
[INFO] [stdout] test src/../README.md - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 23) 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/../README.md:27:52
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_23_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 27 | let file = std::fs::read_to_string("model.bbmodel")?;
[INFO] [stdout]    |                                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 24 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_23_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 25 | use bbmodel_rs::BBModel;
[INFO] [stdout] ...
[INFO] [stdout] 31 | println!("Elements: {}", model.elements.len());
[INFO] [stdout] 32 +     Ok(())
[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/../README.md:28:49
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_23_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 28 | let model: BBModel = serde_json::from_str(&file)?;
[INFO] [stdout]    |                                                 ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 24 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_23_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 25 | use bbmodel_rs::BBModel;
[INFO] [stdout] ...
[INFO] [stdout] 31 | println!("Elements: {}", model.elements.len());
[INFO] [stdout] 32 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/../README.md - (line 35) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `model` in this scope
[INFO] [stdout]   --> src/../README.md:36:42
[INFO] [stdout]    |
[INFO] [stdout] 36 | let json = serde_json::to_string_pretty(&model)?;
[INFO] [stdout]    |                                          ^^^^^ not found in this scope
[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/../README.md:36:48
[INFO] [stdout]    |
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_35_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 36 | let json = serde_json::to_string_pretty(&model)?;
[INFO] [stdout]    |                                                ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 35 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_35_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 36 | let json = serde_json::to_string_pretty(&model)?;
[INFO] [stdout] 37 | std::fs::write("output.bbmodel", json)?;
[INFO] [stdout] 38 +     Ok(())
[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/../README.md:37:39
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_35_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 36 | let json = serde_json::to_string_pretty(&model)?;
[INFO] [stdout] 37 | std::fs::write("output.bbmodel", json)?;
[INFO] [stdout]    |                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 35 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src____README_md_35_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 36 | let json = serde_json::to_string_pretty(&model)?;
[INFO] [stdout] 37 | std::fs::write("output.bbmodel", json)?;
[INFO] [stdout] 38 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 23)
[INFO] [stdout]     src/../README.md - (line 35)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.19s; merged doctests compilation took 0.09s
[INFO] running `Command { std: "docker" "inspect" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54", kill_on_drop: false }`
[INFO] [stdout] 3457e38bd53ce70d3f3eb0296badc34a879762877db8c44c40e70f640896ef54
