[INFO] fetching crate webhook 2.0.0...
[INFO] testing webhook-2.0.0 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2022-04-10" "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] 7dc4b17589bb731993de3db7a727f183ec003434ffe373d5ac82114452a349ab
[INFO] running `Command { std: "docker" "start" "-a" "7dc4b17589bb731993de3db7a727f183ec003434ffe373d5ac82114452a349ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dc4b17589bb731993de3db7a727f183ec003434ffe373d5ac82114452a349ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc4b17589bb731993de3db7a727f183ec003434ffe373d5ac82114452a349ab", kill_on_drop: false }`
[INFO] [stdout] 7dc4b17589bb731993de3db7a727f183ec003434ffe373d5ac82114452a349ab
[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" "+beta-2022-04-10" "build" "--frozen" "--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] dce9a92790082c131597cc7848edc833a5b7dfab060581ba0a61bb84ffa2cdc5
[INFO] running `Command { std: "docker" "start" "-a" "dce9a92790082c131597cc7848edc833a5b7dfab060581ba0a61bb84ffa2cdc5", 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 num_cpus v1.13.0
[INFO] [stderr]    Compiling tracing v0.1.29
[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 53.99s
[INFO] running `Command { std: "docker" "inspect" "dce9a92790082c131597cc7848edc833a5b7dfab060581ba0a61bb84ffa2cdc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce9a92790082c131597cc7848edc833a5b7dfab060581ba0a61bb84ffa2cdc5", kill_on_drop: false }`
[INFO] [stdout] dce9a92790082c131597cc7848edc833a5b7dfab060581ba0a61bb84ffa2cdc5
[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" "+beta-2022-04-10" "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] 6043ecceb105132b7e33640e86bcf170133d05a0a154d71f50cdec245c3a329d
[INFO] running `Command { std: "docker" "start" "-a" "6043ecceb105132b7e33640e86bcf170133d05a0a154d71f50cdec245c3a329d", kill_on_drop: false }`
[INFO] [stderr]    Compiling webhook v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/webhook-a2fb3f82acacf7a5)
[INFO] running `Command { std: "docker" "inspect" "6043ecceb105132b7e33640e86bcf170133d05a0a154d71f50cdec245c3a329d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6043ecceb105132b7e33640e86bcf170133d05a0a154d71f50cdec245c3a329d", kill_on_drop: false }`
[INFO] [stdout] 6043ecceb105132b7e33640e86bcf170133d05a0a154d71f50cdec245c3a329d
[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" "+beta-2022-04-10" "test" "--frozen", 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] f3aade9270b8e1681a4575673429259cbc21a45b223ce169f01065788be1f03d
[INFO] running `Command { std: "docker" "start" "-a" "f3aade9270b8e1681a4575673429259cbc21a45b223ce169f01065788be1f03d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/webhook-a2fb3f82acacf7a5)
[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 webhook
[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 0.58s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "f3aade9270b8e1681a4575673429259cbc21a45b223ce169f01065788be1f03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3aade9270b8e1681a4575673429259cbc21a45b223ce169f01065788be1f03d", kill_on_drop: false }`
[INFO] [stdout] f3aade9270b8e1681a4575673429259cbc21a45b223ce169f01065788be1f03d