[INFO] fetching crate replitdb 0.1.3...
[INFO] testing replitdb-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate replitdb 0.1.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate replitdb 0.1.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate replitdb 0.1.3
[INFO] finished tweaking crates.io crate replitdb 0.1.3
[INFO] tweaked toml for crates.io crate replitdb 0.1.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] 6cfb24e84d083e2693fe42d6f788d32df62d092f252d8b07106f6850b08ea612
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[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling vcpkg v0.2.15
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[INFO] [stderr]    Compiling socket2 v0.5.5
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[INFO] [stderr]    Compiling tokio v1.35.1
[INFO] [stderr]    Compiling openssl-sys v0.9.98
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
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[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.23
[INFO] [stderr]    Compiling replitdb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.61s
[INFO] running `Command { std: "docker" "inspect" "6cfb24e84d083e2693fe42d6f788d32df62d092f252d8b07106f6850b08ea612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfb24e84d083e2693fe42d6f788d32df62d092f252d8b07106f6850b08ea612", kill_on_drop: false }`
[INFO] [stdout] 6cfb24e84d083e2693fe42d6f788d32df62d092f252d8b07106f6850b08ea612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28014e0edb7660a63f4325713229119471ee69817eff7d9cb64147aaf889bd8
[INFO] running `Command { std: "docker" "start" "-a" "f28014e0edb7660a63f4325713229119471ee69817eff7d9cb64147aaf889bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling replitdb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f28014e0edb7660a63f4325713229119471ee69817eff7d9cb64147aaf889bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28014e0edb7660a63f4325713229119471ee69817eff7d9cb64147aaf889bd8", kill_on_drop: false }`
[INFO] [stdout] f28014e0edb7660a63f4325713229119471ee69817eff7d9cb64147aaf889bd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 012caabec379d70d65b2d217462301ca49004b4b8003d775ff24c2cb7d56167d
[INFO] running `Command { std: "docker" "start" "-a" "012caabec379d70d65b2d217462301ca49004b4b8003d775ff24c2cb7d56167d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/replitdb-d410fcc8c5a27cc6)
[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 replitdb
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/sync_client.rs - sync_client::Client (line 14) ... FAILED
[INFO] [stdout] test src/async_client.rs - async_client::Client (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/sync_client.rs - sync_client::Client (line 14) 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/sync_client.rs:17:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sync_client_rs_14_0() {
[INFO] [stdout]   |                                      ------------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 5 | let client = replitdb::SyncClient::new();
[INFO] [stdout] 6 | client.set("greeting", "hello world")?;
[INFO] [stdout]   |                                      ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, String>>` is not implemented for `()`
[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/sync_client.rs:18:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sync_client_rs_14_0() {
[INFO] [stdout]   |                                      ------------------------------------------ this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 7 | println!("{}", client.get("greeting")?);
[INFO] [stdout]   |                                      ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, String>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<String>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/sync_client.rs:18:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | println!("{}", client.get("greeting")?);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^ `Option<String>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Option<String>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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/async_client.rs - async_client::Client (line 14) stdout ----
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/async_client.rs:17:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_async_client_rs_14_0() {
[INFO] [stdout]   |                                         -------------------------------------- this is not `async`
[INFO] [stdout] 5 | let client = replitdb::AsyncClient::new();
[INFO] [stdout] 6 | client.set("greeting", "hello world").await?;
[INFO] [stdout]   |                                       ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/async_client.rs:18:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_async_client_rs_14_0() {
[INFO] [stdout]   |                                         -------------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 7 | println!("{}", client.get("greeting").await?);
[INFO] [stdout]   |                                       ^^^^^ only allowed inside `async` functions and blocks
[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/async_client.rs:17:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_async_client_rs_14_0() {
[INFO] [stdout]   |                                      ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 5 | let client = replitdb::AsyncClient::new();
[INFO] [stdout] 6 | client.set("greeting", "hello world").await?;
[INFO] [stdout]   |                                            ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, String>>` is not implemented for `()`
[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/async_client.rs:18:44
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_async_client_rs_14_0() {
[INFO] [stdout]   |                                      ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 7 | println!("{}", client.get("greeting").await?);
[INFO] [stdout]   |                                            ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<Result<Infallible, String>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Option<String>` doesn't implement `std::fmt::Display`
[INFO] [stdout]  --> src/async_client.rs:18:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | println!("{}", client.get("greeting").await?);
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `Option<String>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Option<String>`
[INFO] [stdout]   = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stdout]   = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0728.
[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/async_client.rs - async_client::Client (line 14)
[INFO] [stdout]     src/sync_client.rs - sync_client::Client (line 14)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "012caabec379d70d65b2d217462301ca49004b4b8003d775ff24c2cb7d56167d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012caabec379d70d65b2d217462301ca49004b4b8003d775ff24c2cb7d56167d", kill_on_drop: false }`
[INFO] [stdout] 012caabec379d70d65b2d217462301ca49004b4b8003d775ff24c2cb7d56167d
