[INFO] fetching crate lib_remotebuild-rs 0.1.6...
[INFO] checking lib_remotebuild-rs-0.1.6 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate lib_remotebuild-rs 0.1.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lib_remotebuild-rs 0.1.6 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib_remotebuild-rs 0.1.6
[INFO] finished tweaking crates.io crate lib_remotebuild-rs 0.1.6
[INFO] tweaked toml for crates.io crate lib_remotebuild-rs 0.1.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate lib_remotebuild-rs 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.123
[INFO] [stderr]   Downloaded miow v0.3.6
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[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]   Downloaded js-sys v0.3.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce21f9060708f1acfb78ca350830c0c140d109e6dfd378645eb5df41b20337a3
[INFO] running `Command { std: "docker" "start" "-a" "ce21f9060708f1acfb78ca350830c0c140d109e6dfd378645eb5df41b20337a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce21f9060708f1acfb78ca350830c0c140d109e6dfd378645eb5df41b20337a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce21f9060708f1acfb78ca350830c0c140d109e6dfd378645eb5df41b20337a3", kill_on_drop: false }`
[INFO] [stdout] ce21f9060708f1acfb78ca350830c0c140d109e6dfd378645eb5df41b20337a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 784a53ffab05d96c8ebc6139fd3f98b1055f33cef746390914d333ecf518bc72
[INFO] running `Command { std: "docker" "start" "-a" "784a53ffab05d96c8ebc6139fd3f98b1055f33cef746390914d333ecf518bc72", 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 libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking tower-service v0.3.1
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[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[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 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_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking lib_remotebuild-rs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `main` in `tokio`
[INFO] [stdout]  --> examples/jobinfo.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main]
[INFO] [stdout]   |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> examples/jobinfo.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | async fn main() {
[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 `lib_remotebuild-rs` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "784a53ffab05d96c8ebc6139fd3f98b1055f33cef746390914d333ecf518bc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784a53ffab05d96c8ebc6139fd3f98b1055f33cef746390914d333ecf518bc72", kill_on_drop: false }`
[INFO] [stdout] 784a53ffab05d96c8ebc6139fd3f98b1055f33cef746390914d333ecf518bc72