[INFO] fetching crate koreanbots-rs 0.2.1...
[INFO] testing koreanbots-rs-0.2.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate koreanbots-rs 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate koreanbots-rs 0.2.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koreanbots-rs 0.2.1
[INFO] finished tweaking crates.io crate koreanbots-rs 0.2.1
[INFO] tweaked toml for crates.io crate koreanbots-rs 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate koreanbots-rs 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded ureq v1.5.1
[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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c915bc6fd2dc0f9a719fffc6585ad8fe7dd68cb18b573aa00694605bdb1531
[INFO] running `Command { std: "docker" "start" "-a" "c7c915bc6fd2dc0f9a719fffc6585ad8fe7dd68cb18b573aa00694605bdb1531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c915bc6fd2dc0f9a719fffc6585ad8fe7dd68cb18b573aa00694605bdb1531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c915bc6fd2dc0f9a719fffc6585ad8fe7dd68cb18b573aa00694605bdb1531", kill_on_drop: false }`
[INFO] [stdout] c7c915bc6fd2dc0f9a719fffc6585ad8fe7dd68cb18b573aa00694605bdb1531
[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=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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ab8ac75f42e253a4baa9a488fe2c93fc8a2918761fe3bea4f829e9b2155372
[INFO] running `Command { std: "docker" "start" "-a" "85ab8ac75f42e253a4baa9a488fe2c93fc8a2918761fe3bea4f829e9b2155372", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling standback v0.2.11
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[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling cookie_store v0.12.0
[INFO] [stderr]    Compiling ureq v1.5.1
[INFO] [stderr]    Compiling koreanbots-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.62s
[INFO] running `Command { std: "docker" "inspect" "85ab8ac75f42e253a4baa9a488fe2c93fc8a2918761fe3bea4f829e9b2155372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ab8ac75f42e253a4baa9a488fe2c93fc8a2918761fe3bea4f829e9b2155372", kill_on_drop: false }`
[INFO] [stdout] 85ab8ac75f42e253a4baa9a488fe2c93fc8a2918761fe3bea4f829e9b2155372
[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=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" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b424ab16107aaa13daa0b22702ac707a30b6dc717ad1882e058a1cade69e07
[INFO] running `Command { std: "docker" "start" "-a" "79b424ab16107aaa13daa0b22702ac707a30b6dc717ad1882e058a1cade69e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling koreanbots-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "79b424ab16107aaa13daa0b22702ac707a30b6dc717ad1882e058a1cade69e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b424ab16107aaa13daa0b22702ac707a30b6dc717ad1882e058a1cade69e07", kill_on_drop: false }`
[INFO] [stdout] 79b424ab16107aaa13daa0b22702ac707a30b6dc717ad1882e058a1cade69e07
[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=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" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad83d336ccb91f4e12fdc3ef582fb26b68c3a0f6ce712568affbf4e279fbb0e7
[INFO] running `Command { std: "docker" "start" "-a" "ad83d336ccb91f4e12fdc3ef582fb26b68c3a0f6ce712568affbf4e279fbb0e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/koreanbots_rs-34ccd4e6ddb8ad91)
[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]      Running unittests (/opt/rustwide/target/debug/deps/koreanbots_rs-427996432b6477f5)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests koreanbots-rs
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - post_bot_servers (line 130) ... FAILED
[INFO] [stdout] test src/lib.rs - get_bots_by_category (line 31) ... FAILED
[INFO] [stdout] test src/lib.rs - get_bot (line 94) ... FAILED
[INFO] [stdout] test src/lib.rs - get_vote_widget (line 63) ... FAILED
[INFO] [stdout] test src/lib.rs - get_server_widget (line 50) ... FAILED
[INFO] [stdout] test src/lib.rs - get_search_bots (line 76) ... FAILED
[INFO] [stdout] test src/lib.rs - get_votes_mybot (line 111) ... FAILED
[INFO] [stdout] test src/lib.rs - get_bots (line 13) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - post_bot_servers (line 130) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:131:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::post_bot_servers("KOREANBOTS_TOKEN", 123));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::post_bot_servers("KOREANBOTS_TOKEN", 123));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_bots_by_category (line 31) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:32:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_bots_by_category("관리", Some("1")));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::get_bots_by_category("관리", Some("1")));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_bot (line 94) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:95:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_seacrh_bots("387548561816027138"));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::get_seacrh_bots("387548561816027138"));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `get_seacrh_bots` in crate `koreanbots_rs`
[INFO] [stdout]   --> src/lib.rs:95:30
[INFO] [stdout]    |
[INFO] [stdout] 4  | println("{}", koreanbots_rs::get_seacrh_bots("387548561816027138"));
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ help: a function with a similar name exists: `get_search_bots`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn get_search_bots(search: &str, page: Option<&str>) -> ureq::SerdeValue {
[INFO] [stdout]    | ---------------------------------------------------------------------------- similarly named function `get_search_bots` defined here
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_vote_widget (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `koreanbot_rs`
[INFO] [stdout]  --> src/lib.rs:64:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | println("{}", koreanbot_rs::getvotewidget("387548561816027138"));
[INFO] [stdout]   |               ^^^^^^^^^^^^ use of undeclared crate or module `koreanbot_rs`
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:64:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | println("{}", koreanbot_rs::getvotewidget("387548561816027138"));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", koreanbot_rs::getvotewidget("387548561816027138"));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_server_widget (line 50) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `koreanbots`
[INFO] [stdout]  --> src/lib.rs:51:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | println("{}", koreanbots::get_server_widget("387548561816027138"));
[INFO] [stdout]   |               ^^^^^^^^^^ use of undeclared crate or module `koreanbots`
[INFO] [stdout] 
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:51:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | println("{}", koreanbots::get_server_widget("387548561816027138"));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("{}", koreanbots::get_server_widget("387548561816027138"));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0423, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_search_bots (line 76) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:77:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_search_bots("원더봇", Some("1")));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::get_search_bots("원더봇", Some("1")));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_votes_mybot (line 111) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:112:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_votes_mybot("MY_BOT_ID", "KOREANBOTS_TOKEN"));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::get_votes_mybot("MY_BOT_ID", "KOREANBOTS_TOKEN"));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - get_bots (line 13) stdout ----
[INFO] [stdout] error[E0423]: expected function, found macro `println`
[INFO] [stdout]  --> src/lib.rs:14:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_bots("1"));
[INFO] [stdout]   | ^^^^^^^ not a function
[INFO] [stdout]   |
[INFO] [stdout] help: use `!` to invoke the macro
[INFO] [stdout]   |
[INFO] [stdout] 4 | println!("{}", koreanbots_rs::get_bots("1"));
[INFO] [stdout]   |        ^
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:14:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | println("{}", koreanbots_rs::get_bots("1"));
[INFO] [stdout]   |                                       ^^^
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       expected enum `Option`, found `&str`
[INFO] [stdout]   |                                       help: try using a variant of the expected enum: `Some("1")`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<&str>`
[INFO] [stdout]           found reference `&'static str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0423.
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - get_bot (line 94)
[INFO] [stdout]     src/lib.rs - get_bots (line 13)
[INFO] [stdout]     src/lib.rs - get_bots_by_category (line 31)
[INFO] [stdout]     src/lib.rs - get_search_bots (line 76)
[INFO] [stdout]     src/lib.rs - get_server_widget (line 50)
[INFO] [stdout]     src/lib.rs - get_vote_widget (line 63)
[INFO] [stdout]     src/lib.rs - get_votes_mybot (line 111)
[INFO] [stdout]     src/lib.rs - post_bot_servers (line 130)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 8 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "ad83d336ccb91f4e12fdc3ef582fb26b68c3a0f6ce712568affbf4e279fbb0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad83d336ccb91f4e12fdc3ef582fb26b68c3a0f6ce712568affbf4e279fbb0e7", kill_on_drop: false }`
[INFO] [stdout] ad83d336ccb91f4e12fdc3ef582fb26b68c3a0f6ce712568affbf4e279fbb0e7
