[INFO] fetching crate coffeehouse 0.1.1...
[INFO] checking coffeehouse-0.1.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate coffeehouse 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate coffeehouse 0.1.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffeehouse 0.1.1
[INFO] finished tweaking crates.io crate coffeehouse 0.1.1
[INFO] tweaked toml for crates.io crate coffeehouse 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate coffeehouse 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reqwest v0.11.0
[INFO] [stderr]   Downloaded futures-channel v0.3.12
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[INFO] [stderr]   Downloaded idna v0.2.1
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.70
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[INFO] [stderr]   Downloaded web-sys v0.3.47
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcd7ac81a46bc62ccbfc47a3f9eaaac789f5cb751aabd7cec3eaaa7f5ed23077
[INFO] running `Command { std: "docker" "start" "-a" "dcd7ac81a46bc62ccbfc47a3f9eaaac789f5cb751aabd7cec3eaaa7f5ed23077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcd7ac81a46bc62ccbfc47a3f9eaaac789f5cb751aabd7cec3eaaa7f5ed23077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd7ac81a46bc62ccbfc47a3f9eaaac789f5cb751aabd7cec3eaaa7f5ed23077", kill_on_drop: false }`
[INFO] [stdout] dcd7ac81a46bc62ccbfc47a3f9eaaac789f5cb751aabd7cec3eaaa7f5ed23077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b7bf96c4d027669d55ca448ae008a0a28fc5ac34401f5efca743fca1a0f822
[INFO] running `Command { std: "docker" "start" "-a" "f2b7bf96c4d027669d55ca448ae008a0a28fc5ac34401f5efca743fca1a0f822", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.3
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[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
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[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking coffeehouse v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> examples/lydia.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/lydia.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | async fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coffeehouse`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f2b7bf96c4d027669d55ca448ae008a0a28fc5ac34401f5efca743fca1a0f822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b7bf96c4d027669d55ca448ae008a0a28fc5ac34401f5efca743fca1a0f822", kill_on_drop: false }`
[INFO] [stdout] f2b7bf96c4d027669d55ca448ae008a0a28fc5ac34401f5efca743fca1a0f822