[INFO] fetching crate robotevents 0.6.0...
[INFO] testing robotevents-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate robotevents 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate robotevents 0.6.0
[INFO] finished tweaking crates.io crate robotevents 0.6.0
[INFO] tweaked toml for crates.io crate robotevents 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate robotevents 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate robotevents 0.6.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.39
[INFO] [stderr]   Downloaded bitflags v2.4.1
[INFO] [stderr]   Downloaded tempfile v3.8.1
[INFO] [stderr]   Downloaded unicode-bidi v0.3.14
[INFO] [stderr]   Downloaded openssl-sys v0.9.97
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] [stderr]   Downloaded h2 v0.3.22
[INFO] [stderr]   Downloaded reqwest v0.11.22
[INFO] [stderr]   Downloaded openssl v0.10.61
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.12
[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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9c80a2de99acd992b858338b8ceccc2f926e7d7092464ca03abfd4ace723aa6
[INFO] running `Command { std: "docker" "start" "-a" "e9c80a2de99acd992b858338b8ceccc2f926e7d7092464ca03abfd4ace723aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9c80a2de99acd992b858338b8ceccc2f926e7d7092464ca03abfd4ace723aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c80a2de99acd992b858338b8ceccc2f926e7d7092464ca03abfd4ace723aa6", kill_on_drop: false }`
[INFO] [stdout] e9c80a2de99acd992b858338b8ceccc2f926e7d7092464ca03abfd4ace723aa6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3303e411d8402116150b8b373a0f5beaa375521195444fbae231e9c468cb8e
[INFO] running `Command { std: "docker" "start" "-a" "5f3303e411d8402116150b8b373a0f5beaa375521195444fbae231e9c468cb8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling tokio v1.35.0
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling unicode-bidi v0.3.14
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling itertools v0.12.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.22
[INFO] [stderr]    Compiling robotevents v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.45s
[INFO] running `Command { std: "docker" "inspect" "5f3303e411d8402116150b8b373a0f5beaa375521195444fbae231e9c468cb8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3303e411d8402116150b8b373a0f5beaa375521195444fbae231e9c468cb8e", kill_on_drop: false }`
[INFO] [stdout] 5f3303e411d8402116150b8b373a0f5beaa375521195444fbae231e9c468cb8e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34bd0c6bb5ca845e47ae9f93d4abe9a0facdbe6ae48c89c8d904f8091809937b
[INFO] running `Command { std: "docker" "start" "-a" "34bd0c6bb5ca845e47ae9f93d4abe9a0facdbe6ae48c89c8d904f8091809937b", kill_on_drop: false }`
[INFO] [stderr]    Compiling robotevents v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "34bd0c6bb5ca845e47ae9f93d4abe9a0facdbe6ae48c89c8d904f8091809937b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bd0c6bb5ca845e47ae9f93d4abe9a0facdbe6ae48c89c8d904f8091809937b", kill_on_drop: false }`
[INFO] [stdout] 34bd0c6bb5ca845e47ae9f93d4abe9a0facdbe6ae48c89c8d904f8091809937b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff27f16ecb2a3ae8d0992e6b25be42aae14d9bd8d5e61807dc1959f1ccd5ca1e
[INFO] running `Command { std: "docker" "start" "-a" "ff27f16ecb2a3ae8d0992e6b25be42aae14d9bd8d5e61807dc1959f1ccd5ca1e", 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/robotevents-1bf89c4e9bf4e4f2)
[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 robotevents
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/client.rs - client::RobotEvents::new (line 32) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::RobotEvents::new (line 32) 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/client.rs:36:47
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_32_0() {
[INFO] [stdout]   |                                      ------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 7 | let token = std::env::var("ROBOTEVENTS_TOKEN")?;
[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_client_rs_32_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 5 | use robotevents::RobotEvents;
[INFO] [stdout] ...
[INFO] [stdout] 8 | let client = RobotEvents::new(token);
[INFO] [stdout] 9 +     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] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::RobotEvents::new (line 32)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff27f16ecb2a3ae8d0992e6b25be42aae14d9bd8d5e61807dc1959f1ccd5ca1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff27f16ecb2a3ae8d0992e6b25be42aae14d9bd8d5e61807dc1959f1ccd5ca1e", kill_on_drop: false }`
[INFO] [stdout] ff27f16ecb2a3ae8d0992e6b25be42aae14d9bd8d5e61807dc1959f1ccd5ca1e