[INFO] fetching crate winit-block-on 0.2.1...
[INFO] testing winit-block-on-0.2.1 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate winit-block-on 0.2.1 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate winit-block-on 0.2.1 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded winit v0.27.5
[INFO] [stderr]   Downloaded tiny-skia v0.8.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c9bbf3c5e3847a7b9a169b7c9d0ba199ed350ed2f6d77c3dd5568a4a983a7f
[INFO] running `Command { std: "docker" "start" "-a" "49c9bbf3c5e3847a7b9a169b7c9d0ba199ed350ed2f6d77c3dd5568a4a983a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c9bbf3c5e3847a7b9a169b7c9d0ba199ed350ed2f6d77c3dd5568a4a983a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c9bbf3c5e3847a7b9a169b7c9d0ba199ed350ed2f6d77c3dd5568a4a983a7f", kill_on_drop: false }`
[INFO] [stdout] 49c9bbf3c5e3847a7b9a169b7c9d0ba199ed350ed2f6d77c3dd5568a4a983a7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b1a1fe3ab5c4870ae1093d111e99d110b9ca05f76694ca6552e6205834885b
[INFO] running `Command { std: "docker" "start" "-a" "d0b1a1fe3ab5c4870ae1093d111e99d110b9ca05f76694ca6552e6205834885b", kill_on_drop: false }`
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "d0b1a1fe3ab5c4870ae1093d111e99d110b9ca05f76694ca6552e6205834885b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b1a1fe3ab5c4870ae1093d111e99d110b9ca05f76694ca6552e6205834885b", kill_on_drop: false }`
[INFO] [stdout] d0b1a1fe3ab5c4870ae1093d111e99d110b9ca05f76694ca6552e6205834885b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26de3b8d185bf94e6cc395b80b38f74ed1962b9bac63dc9730b583673367ca4a
[INFO] running `Command { std: "docker" "start" "-a" "26de3b8d185bf94e6cc395b80b38f74ed1962b9bac63dc9730b583673367ca4a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling unicode-ccc v0.1.2
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[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.1.0
[INFO] [stderr]    Compiling winit v0.27.5
[INFO] [stderr]    Compiling rusttype v0.9.3
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[INFO] [stderr]    Compiling webpki v0.22.4
[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[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] For more information about this error, try `rustc --explain E0464`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winit-block-on` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `winit-block-on` (example "networking") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "26de3b8d185bf94e6cc395b80b38f74ed1962b9bac63dc9730b583673367ca4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26de3b8d185bf94e6cc395b80b38f74ed1962b9bac63dc9730b583673367ca4a", kill_on_drop: false }`
[INFO] [stdout] 26de3b8d185bf94e6cc395b80b38f74ed1962b9bac63dc9730b583673367ca4a