[INFO] fetching crate winit-block-on 0.2.1...
[INFO] building winit-block-on-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate winit-block-on 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate winit-block-on 0.2.1
[INFO] finished tweaking crates.io crate winit-block-on 0.2.1
[INFO] tweaked toml for crates.io crate winit-block-on 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winit-block-on 0.2.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate winit-block-on 0.2.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51ae0ea0a287c7845548cdd4dc9f9cee3c4c7c9c9538d84a6e01c20313e6d74b
[INFO] running `Command { std: "docker" "start" "-a" "51ae0ea0a287c7845548cdd4dc9f9cee3c4c7c9c9538d84a6e01c20313e6d74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51ae0ea0a287c7845548cdd4dc9f9cee3c4c7c9c9538d84a6e01c20313e6d74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ae0ea0a287c7845548cdd4dc9f9cee3c4c7c9c9538d84a6e01c20313e6d74b", kill_on_drop: false }`
[INFO] [stdout] 51ae0ea0a287c7845548cdd4dc9f9cee3c4c7c9c9538d84a6e01c20313e6d74b
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "205c1d5b6b89bb590c6e60bcbe1181a7db5e322d0eb048d53ea120ae16a17466", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "205c1d5b6b89bb590c6e60bcbe1181a7db5e322d0eb048d53ea120ae16a17466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "205c1d5b6b89bb590c6e60bcbe1181a7db5e322d0eb048d53ea120ae16a17466", kill_on_drop: false }`
[INFO] [stdout] 205c1d5b6b89bb590c6e60bcbe1181a7db5e322d0eb048d53ea120ae16a17466
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d04aa51cbe6fb5089c4af1a333a0110be6b5fa3aac4bb4b06d9167170e48858
[INFO] running `Command { std: "docker" "start" "-a" "7d04aa51cbe6fb5089c4af1a333a0110be6b5fa3aac4bb4b06d9167170e48858", kill_on_drop: false }`
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[INFO] [stderr]    Compiling owned_ttf_parser v0.15.2
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[INFO] [stderr]    Compiling unicode-ccc v0.1.2
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[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling rustybuzz v0.5.1
[INFO] [stderr]    Compiling serde_qs v0.8.5
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[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling async-rustls v0.3.0
[INFO] [stderr]    Compiling winit-block-on v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0464]: multiple candidates for `rlib` dependency `winit` found
[INFO] [stdout]   --> src/run_return.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use winit::event::Event;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1: /opt/rustwide/target/debug/deps/libwinit-2c2afb01decf42d0.rlib
[INFO] [stdout]    = note: candidate #2: /opt/rustwide/target/debug/deps/libwinit-40a326bdf2452b04.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/run_return.rs:64:19
[INFO] [stdout]    |
[INFO] [stdout] 64 |             move |event, target, control_flow| {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |                         let event = event.map_nonuser_event().unwrap_or_else(|_| unreachable!());
[INFO] [stdout]    |                                           ----------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 64 |             move |event: /* Type */, target, control_flow| {
[INFO] [stdout]    |                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.run(move |event, target, control_flow| {
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |                         event.map_nonuser_event().unwrap_or_else(|_| unreachable!());
[INFO] [stdout]     |                               ----------------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 111 |         self.run(move |event: /* Type */, target, control_flow| {
[INFO] [stdout]     |                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0464.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winit-block-on` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `softbuffer`
[INFO] [stdout]   --> examples/networking.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use softbuffer::{Context, Surface};
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `softbuffer`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `softbuffer`, use `cargo add softbuffer` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> examples/networking.rs:582:29
[INFO] [stdout]     |
[INFO] [stdout] 582 |             move |event, _, control_flow| {
[INFO] [stdout]     |                             ^^^^^^^^^^^^
[INFO] [stdout] 583 |                 control_flow.set_wait();
[INFO] [stdout]     |                              -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 582 |             move |event, _, control_flow: /* Type */| {
[INFO] [stdout]     |                                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winit-block-on` (example "networking") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7d04aa51cbe6fb5089c4af1a333a0110be6b5fa3aac4bb4b06d9167170e48858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d04aa51cbe6fb5089c4af1a333a0110be6b5fa3aac4bb4b06d9167170e48858", kill_on_drop: false }`
[INFO] [stdout] 7d04aa51cbe6fb5089c4af1a333a0110be6b5fa3aac4bb4b06d9167170e48858