[INFO] fetching crate replitdb 0.1.3...
[INFO] testing replitdb-0.1.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate replitdb 0.1.3 into /workspace/builds/worker-3-tc1/source
[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] validating manifest of crates.io crate replitdb 0.1.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 161 packages to latest compatible versions
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e123a1d1e17b428661c04a55c316a769f338acf25fa8be85fd4825e56a7069b0
[INFO] running `Command { std: "docker" "start" "-a" "e123a1d1e17b428661c04a55c316a769f338acf25fa8be85fd4825e56a7069b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e123a1d1e17b428661c04a55c316a769f338acf25fa8be85fd4825e56a7069b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e123a1d1e17b428661c04a55c316a769f338acf25fa8be85fd4825e56a7069b0", kill_on_drop: false }`
[INFO] [stdout] e123a1d1e17b428661c04a55c316a769f338acf25fa8be85fd4825e56a7069b0
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e172cbf7cf8e10698314ef79badbcaadea759184b051f9c2f61b50dbbad224a7
[INFO] running `Command { std: "docker" "start" "-a" "e172cbf7cf8e10698314ef79badbcaadea759184b051f9c2f61b50dbbad224a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.27
[INFO] [stderr]    Compiling replitdb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.99s
[INFO] running `Command { std: "docker" "inspect" "e172cbf7cf8e10698314ef79badbcaadea759184b051f9c2f61b50dbbad224a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e172cbf7cf8e10698314ef79badbcaadea759184b051f9c2f61b50dbbad224a7", kill_on_drop: false }`
[INFO] [stdout] e172cbf7cf8e10698314ef79badbcaadea759184b051f9c2f61b50dbbad224a7
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fac0bc6b5245fc2ba2c1cbe7ea39c6af5280c6dcd81975fd70b63a1a8892c3a
[INFO] running `Command { std: "docker" "start" "-a" "0fac0bc6b5245fc2ba2c1cbe7ea39c6af5280c6dcd81975fd70b63a1a8892c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling replitdb v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "0fac0bc6b5245fc2ba2c1cbe7ea39c6af5280c6dcd81975fd70b63a1a8892c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fac0bc6b5245fc2ba2c1cbe7ea39c6af5280c6dcd81975fd70b63a1a8892c3a", kill_on_drop: false }`
[INFO] [stdout] 0fac0bc6b5245fc2ba2c1cbe7ea39c6af5280c6dcd81975fd70b63a1a8892c3a
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1048266f7dd29a5ded9e1e8bbe17208e82dc6c0ef07ecd6a869e3bbe7c1c35e3
[INFO] running `Command { std: "docker" "start" "-a" "1048266f7dd29a5ded9e1e8bbe17208e82dc6c0ef07ecd6a869e3bbe7c1c35e3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/replitdb-3ff96a524c944700)
[INFO] [stderr]    Doc-tests replitdb
[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] [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: consider adding return type
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sync_client_rs_14_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 | let client = replitdb::SyncClient::new();
[INFO] [stdout] 6 | client.set("greeting", "hello world")?;
[INFO] [stdout] 7 | println!("{}", client.get("greeting")?);
[INFO] [stdout] 8 +     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/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: consider adding return type
[INFO] [stdout]   |
[INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sync_client_rs_14_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 | let client = replitdb::SyncClient::new();
[INFO] [stdout] 6 | client.set("greeting", "hello world")?;
[INFO] [stdout] 7 | println!("{}", client.get("greeting")?);
[INFO] [stdout] 8 +     Ok(())
[INFO] [stdout]   |
[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]   |           required by this formatting parameter
[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: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0728`.
[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 0.24s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1048266f7dd29a5ded9e1e8bbe17208e82dc6c0ef07ecd6a869e3bbe7c1c35e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1048266f7dd29a5ded9e1e8bbe17208e82dc6c0ef07ecd6a869e3bbe7c1c35e3", kill_on_drop: false }`
[INFO] [stdout] 1048266f7dd29a5ded9e1e8bbe17208e82dc6c0ef07ecd6a869e3bbe7c1c35e3
