[INFO] fetching crate webhook 2.0.0...
[INFO] testing webhook-2.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate webhook 2.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate webhook 2.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webhook 2.0.0
[INFO] finished tweaking crates.io crate webhook 2.0.0
[INFO] tweaked toml for crates.io crate webhook 2.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate webhook 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bca253374a9eea9341acae26c5c3505d358964b18b951afe952ebd8962cb9a82
[INFO] running `Command { std: "docker" "start" "-a" "bca253374a9eea9341acae26c5c3505d358964b18b951afe952ebd8962cb9a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca253374a9eea9341acae26c5c3505d358964b18b951afe952ebd8962cb9a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca253374a9eea9341acae26c5c3505d358964b18b951afe952ebd8962cb9a82", kill_on_drop: false }`
[INFO] [stdout] bca253374a9eea9341acae26c5c3505d358964b18b951afe952ebd8962cb9a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16953b4e7661d0f6d120826dde25caf5dc7345db2f108aa51a62d592c46a1872
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16953b4e7661d0f6d120826dde25caf5dc7345db2f108aa51a62d592c46a1872", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.9
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling webhook v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "16953b4e7661d0f6d120826dde25caf5dc7345db2f108aa51a62d592c46a1872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16953b4e7661d0f6d120826dde25caf5dc7345db2f108aa51a62d592c46a1872", kill_on_drop: false }`
[INFO] [stdout] 16953b4e7661d0f6d120826dde25caf5dc7345db2f108aa51a62d592c46a1872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecc0ca93f376cf22807b66cff6504f759fd7425e25a42b55331b27a48b4bcfe3
[INFO] running `Command { std: "docker" "start" "-a" "ecc0ca93f376cf22807b66cff6504f759fd7425e25a42b55331b27a48b4bcfe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling webhook v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "ecc0ca93f376cf22807b66cff6504f759fd7425e25a42b55331b27a48b4bcfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc0ca93f376cf22807b66cff6504f759fd7425e25a42b55331b27a48b4bcfe3", kill_on_drop: false }`
[INFO] [stdout] ecc0ca93f376cf22807b66cff6504f759fd7425e25a42b55331b27a48b4bcfe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36cc35e385b434a2d6c60186ed4270c265b55184a6eff5253e769ea430629232
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36cc35e385b434a2d6c60186ed4270c265b55184a6eff5253e769ea430629232", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webhook-a9880ec8282bcc27)
[INFO] [stderr]    Doc-tests webhook
[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 1 test
[INFO] [stdout] test src/client.rs - client::WebhookClient::send (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::WebhookClient::send (line 30) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `WebhookClient`
[INFO] [stdout]  --> src/client.rs:31:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | let client = WebhookClient::new("URL");
[INFO] [stdout]   |              ^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 | use webhook::client::WebhookClient;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]  --> src/client.rs:34:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_30_0() {
[INFO] [stdout]   |                                         -------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 6 |     .username("username")).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/client.rs:34:33
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn main() { #[allow(non_snake_case)] fn _doctest_main_src_client_rs_30_0() {
[INFO] [stdout]   |  ______________________________________-
[INFO] [stdout] 3 | | let client = WebhookClient::new("URL");
[INFO] [stdout] 4 | | client.send(|message| message
[INFO] [stdout] 5 | |     .content("content")
[INFO] [stdout] 6 | |     .username("username")).await?;
[INFO] [stdout]   | |                                 ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 7 | | } _doctest_main_src_client_rs_30_0() }
[INFO] [stdout]   | |_- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `FromResidual<_>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433, 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/client.rs - client::WebhookClient::send (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "36cc35e385b434a2d6c60186ed4270c265b55184a6eff5253e769ea430629232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cc35e385b434a2d6c60186ed4270c265b55184a6eff5253e769ea430629232", kill_on_drop: false }`
[INFO] [stdout] 36cc35e385b434a2d6c60186ed4270c265b55184a6eff5253e769ea430629232