[INFO] fetching crate libredr-client 0.0.21...
[INFO] testing libredr-client-0.0.21 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-9
[INFO] extracting crate libredr-client 0.0.21 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libredr-client 0.0.21
[INFO] finished tweaking crates.io crate libredr-client 0.0.21
[INFO] tweaked toml for crates.io crate libredr-client 0.0.21 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libredr-client 0.0.21 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libredr-client 0.0.21 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libredr-client v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "6ac9fef024a0a06033c0f4a2f7b2911600406e724d4f12fdf39621f67074c34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ac9fef024a0a06033c0f4a2f7b2911600406e724d4f12fdf39621f67074c34e", kill_on_drop: false }`
[INFO] [stdout] 6ac9fef024a0a06033c0f4a2f7b2911600406e724d4f12fdf39621f67074c34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libredr-common v0.0.21
[INFO] [stderr]    Compiling libredr-client v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.70s
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[INFO] running `Command { std: "docker" "rm" "-f" "dfbd531a20b80d5a75cc7b647220dd339b6df1f2f87fc7cc018b82808ad0f0fb", kill_on_drop: false }`
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[INFO] [stdout] 03b67bc9380cede82ba16aa6cc2e3daf356ceaec069795e659b28e872e9d3777
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[INFO] [stderr]    Compiling libredr-common v0.0.21
[INFO] [stderr]    Compiling libredr-client v0.0.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.62s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libredr-d35a8d11391822e0)
[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 libredr
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::LibreDR::new (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::LibreDR::new (line 20) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]   --> src/client.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]    |                    ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 19 + use libredr::LibreDR;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `LibreDR`
[INFO] [stdout]   --> src/client.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]    |                     ^^^^^^^ use of undeclared type `LibreDR`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 19 + use libredr::LibreDR;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/client.rs:23:84
[INFO] [stdout]    |
[INFO] [stdout] 22 | async {
[INFO] [stdout]    | ----- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 23 |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout]    |                                                                                    ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/client.rs:24:98
[INFO] [stdout]    |
[INFO] [stdout] 22 | async {
[INFO] [stdout]    | ----- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 23 |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 24 |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout]    |                                                                                                  ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/client.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_20_0() {
[INFO] [stdout]    |                                                                             - help: try adding a return type: `-> impl Future<Output = ()>`
[INFO] [stdout] 22 | / async {
[INFO] [stdout] 23 | |   let client_tcp = LibreDR::new(String::from("127.0.0.1:9001"), false, false).await?;
[INFO] [stdout] 24 | |   let client_unix = LibreDR::new(String::from("/var/run/libredr_client.sock"), true, false).await?;
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^ expected `()`, found `async` block
[INFO] [stdout]    |
[INFO] [stdout]    = note:  expected unit type `()`
[INFO] [stdout]            found `async` block `{async block@src/client.rs:5:1: 5:6}`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0433.
[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/client.rs - client::LibreDR::new (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "03b67bc9380cede82ba16aa6cc2e3daf356ceaec069795e659b28e872e9d3777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b67bc9380cede82ba16aa6cc2e3daf356ceaec069795e659b28e872e9d3777", kill_on_drop: false }`
[INFO] [stdout] 03b67bc9380cede82ba16aa6cc2e3daf356ceaec069795e659b28e872e9d3777
