[INFO] fetching crate libedbo 0.1.0...
[INFO] testing libedbo-0.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate libedbo 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libedbo 0.1.0
[INFO] finished tweaking crates.io crate libedbo 0.1.0
[INFO] tweaked toml for crates.io crate libedbo 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libedbo 0.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 171 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.12.28 (available: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower v0.5.3
[INFO] [stderr]   Downloaded h2 v0.4.13
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libedbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.18s
[INFO] running `Command { std: "docker" "inspect" "fc62848d6eb87a26a5f302b59a5785b550fe37d5f5e5884dcb8a127389a528f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc62848d6eb87a26a5f302b59a5785b550fe37d5f5e5884dcb8a127389a528f8", kill_on_drop: false }`
[INFO] [stdout] fc62848d6eb87a26a5f302b59a5785b550fe37d5f5e5884dcb8a127389a528f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707bc36587462ad5bae870fc76095fc37bd0f6e058662f237eaf8d2230eb7db8
[INFO] running `Command { std: "docker" "start" "-a" "707bc36587462ad5bae870fc76095fc37bd0f6e058662f237eaf8d2230eb7db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libedbo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "707bc36587462ad5bae870fc76095fc37bd0f6e058662f237eaf8d2230eb7db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707bc36587462ad5bae870fc76095fc37bd0f6e058662f237eaf8d2230eb7db8", kill_on_drop: false }`
[INFO] [stdout] 707bc36587462ad5bae870fc76095fc37bd0f6e058662f237eaf8d2230eb7db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d37f4ab17b97eed54eec109f5c53372077489d7591414b1b306aa46d85cd93cf
[INFO] running `Command { std: "docker" "start" "-a" "d37f4ab17b97eed54eec109f5c53372077489d7591414b1b306aa46d85cd93cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libedbo-7ee811d0840d42d9)
[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]    Doc-tests libedbo
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs - search_school (line 403) ... FAILED
[INFO] [stdout] test src/lib.rs - search_universities (line 193) ... FAILED
[INFO] [stdout] test src/lib.rs - search_institutions (line 333) ... FAILED
[INFO] [stdout] test src/lib.rs - search_university (line 263) ... FAILED
[INFO] [stdout] test src/lib.rs - assert_some (line 81) ... FAILED
[INFO] [stdout] test src/lib.rs - search_university_async (line 222) ... FAILED
[INFO] [stdout] test src/lib.rs - search_institutions_async (line 298) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - search_school_async (line 362) ... FAILED
[INFO] [stdout] test src/lib.rs - search_universities_async (line 158) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 16) 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/lib.rs:26:56
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 26 | let universities = libedbo::search_universities(params)?;
[INFO] [stdout]    |                                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                         +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - search_school (line 403) 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/lib.rs:408:44
[INFO] [stdout]     |
[INFO] [stdout] 404 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_403_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 408 | let school = libedbo::search_school(params)?;
[INFO] [stdout]     |                                            ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 404 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_403_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 405 | use libedbo::SearchParams;
[INFO] [stdout] ...
[INFO] [stdout] 408 | let school = libedbo::search_school(params)?;
[INFO] [stdout] 409 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - search_universities (line 193) 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/lib.rs:201:56
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 201 | let universities = libedbo::search_universities(params)?;
[INFO] [stdout]     |                                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 194 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 195 | use libedbo::{SearchParams, Region, UniversityCategory};
[INFO] [stdout] ...
[INFO] [stdout] 201 | let universities = libedbo::search_universities(params)?;
[INFO] [stdout] 202 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - search_institutions (line 333) 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/lib.rs:341:51
[INFO] [stdout]     |
[INFO] [stdout] 334 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_333_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 341 | let schools = libedbo::search_institutions(params)?;
[INFO] [stdout]     |                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 334 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_333_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 335 | use libedbo::{SearchParams, Region, InstitutionCategory};
[INFO] [stdout] ...
[INFO] [stdout] 341 | let schools = libedbo::search_institutions(params)?;
[INFO] [stdout] 342 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - search_university (line 263) 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/lib.rs:268:52
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_263_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 268 | let university = libedbo::search_university(params)?;
[INFO] [stdout]     |                                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 264 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_263_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 265 | use libedbo::SearchParams;
[INFO] [stdout] ...
[INFO] [stdout] 268 | let university = libedbo::search_university(params)?;
[INFO] [stdout] 269 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - assert_some (line 81) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `assert_some` in this scope
[INFO] [stdout]   --> src/lib.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 | let result = assert_some(value, "example_field")?;
[INFO] [stdout]    |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - search_university_async (line 222) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NetworkError(reqwest::Error { kind: Request, url: "https://registry.edbo.gov.ua/api/university?id=1234&exp=json", source: hyper_util::client::legacy::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - search_institutions_async (line 298) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NetworkError(reqwest::Error { kind: Request, url: "https://registry.edbo.gov.ua/api/institutions?ut=3&lc=80&exp=json", source: hyper_util::client::legacy::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NetworkError(reqwest::Error { kind: Request, url: "https://registry.edbo.gov.ua/api/universities?ut=1&lc=80&exp=json", source: hyper_util::client::legacy::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - search_school_async (line 362) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NetworkError(reqwest::Error { kind: Request, url: "https://registry.edbo.gov.ua/api/school?id=1234&exp=json", source: hyper_util::client::legacy::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - search_universities_async (line 158) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NetworkError(reqwest::Error { kind: Request, url: "https://registry.edbo.gov.ua/api/universities?ut=1&lc=80&exp=json", source: hyper_util::client::legacy::Error(Connect, ConnectError("dns error", Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" })) })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 16)
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout]     src/lib.rs - assert_some (line 81)
[INFO] [stdout]     src/lib.rs - search_institutions (line 333)
[INFO] [stdout]     src/lib.rs - search_institutions_async (line 298)
[INFO] [stdout]     src/lib.rs - search_school (line 403)
[INFO] [stdout]     src/lib.rs - search_school_async (line 362)
[INFO] [stdout]     src/lib.rs - search_universities (line 193)
[INFO] [stdout]     src/lib.rs - search_universities_async (line 158)
[INFO] [stdout]     src/lib.rs - search_university (line 263)
[INFO] [stdout]     src/lib.rs - search_university_async (line 222)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 11 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d37f4ab17b97eed54eec109f5c53372077489d7591414b1b306aa46d85cd93cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d37f4ab17b97eed54eec109f5c53372077489d7591414b1b306aa46d85cd93cf", kill_on_drop: false }`
[INFO] [stdout] d37f4ab17b97eed54eec109f5c53372077489d7591414b1b306aa46d85cd93cf
