[INFO] fetching crate softbuffer_quickstart 0.3.2...
[INFO] testing softbuffer_quickstart-0.3.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate softbuffer_quickstart 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate softbuffer_quickstart 0.3.2
[INFO] finished tweaking crates.io crate softbuffer_quickstart 0.3.2
[INFO] tweaked toml for crates.io crate softbuffer_quickstart 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate softbuffer_quickstart 0.3.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate softbuffer_quickstart 0.3.2 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffa4a1237c9e6f06f958bd0406b919d5d295adc1e03f5b21f756e7b3fc8f08c3
[INFO] running `Command { std: "docker" "start" "-a" "ffa4a1237c9e6f06f958bd0406b919d5d295adc1e03f5b21f756e7b3fc8f08c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffa4a1237c9e6f06f958bd0406b919d5d295adc1e03f5b21f756e7b3fc8f08c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa4a1237c9e6f06f958bd0406b919d5d295adc1e03f5b21f756e7b3fc8f08c3", kill_on_drop: false }`
[INFO] [stdout] ffa4a1237c9e6f06f958bd0406b919d5d295adc1e03f5b21f756e7b3fc8f08c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a662b8dbe4c507b83a3e112dc8309caf027dd316b4980662c3c78c4d9446c5
[INFO] running `Command { std: "docker" "start" "-a" "e4a662b8dbe4c507b83a3e112dc8309caf027dd316b4980662c3c78c4d9446c5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ab_glyph v0.2.28
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling tiny-skia v0.11.4
[INFO] [stderr]    Compiling polling v3.7.2
[INFO] [stderr]    Compiling drm-ffi v0.8.0
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[INFO] [stderr]    Compiling drm v0.12.0
[INFO] [stderr]    Compiling wayland-csd-frame v0.3.0
[INFO] [stderr]    Compiling wayland-protocols v0.32.3
[INFO] [stderr]    Compiling calloop-wayland-source v0.3.0
[INFO] [stderr]    Compiling wayland-cursor v0.31.5
[INFO] [stderr]    Compiling wayland-protocols-wlr v0.3.3
[INFO] [stderr]    Compiling wayland-protocols-plasma v0.3.3
[INFO] [stderr]    Compiling x11rb v0.13.1
[INFO] [stderr]    Compiling sctk-adwaita v0.10.1
[INFO] [stderr]    Compiling softbuffer_quickstart v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroU32`
[INFO] [stdout]  --> src/sb_window.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::NonZeroU32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `softbuffer::Surface`
[INFO] [stdout]  --> src/sb_window.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use softbuffer::Surface;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::dpi::PhysicalSize`
[INFO] [stdout]  --> src/sb_window.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use winit::dpi::PhysicalSize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stdout]  --> src/sb_window.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
[INFO] [stdout]   |                                          ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "e4a662b8dbe4c507b83a3e112dc8309caf027dd316b4980662c3c78c4d9446c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a662b8dbe4c507b83a3e112dc8309caf027dd316b4980662c3c78c4d9446c5", kill_on_drop: false }`
[INFO] [stdout] e4a662b8dbe4c507b83a3e112dc8309caf027dd316b4980662c3c78c4d9446c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005085ac3650e8d95f83f776d349e1fbd2e8387e769f43cc848308b73efdc77b
[INFO] running `Command { std: "docker" "start" "-a" "005085ac3650e8d95f83f776d349e1fbd2e8387e769f43cc848308b73efdc77b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::num::NonZeroU32`
[INFO] [stdout]  --> src/sb_window.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::NonZeroU32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `softbuffer::Surface`
[INFO] [stdout]  --> src/sb_window.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use softbuffer::Surface;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::dpi::PhysicalSize`
[INFO] [stdout]  --> src/sb_window.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use winit::dpi::PhysicalSize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stdout]  --> src/sb_window.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
[INFO] [stdout]   |                                          ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling softbuffer_quickstart v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::NonZeroU32`
[INFO] [stdout]  --> src/sb_window.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::num::NonZeroU32;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `softbuffer::Surface`
[INFO] [stdout]  --> src/sb_window.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use softbuffer::Surface;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winit::dpi::PhysicalSize`
[INFO] [stdout]  --> src/sb_window.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use winit::dpi::PhysicalSize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stdout]  --> src/sb_window.rs:8:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
[INFO] [stdout]   |                                          ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "005085ac3650e8d95f83f776d349e1fbd2e8387e769f43cc848308b73efdc77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005085ac3650e8d95f83f776d349e1fbd2e8387e769f43cc848308b73efdc77b", kill_on_drop: false }`
[INFO] [stdout] 005085ac3650e8d95f83f776d349e1fbd2e8387e769f43cc848308b73efdc77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ba144fc4b9b70bc82264c2725bdc862ad8640aa5c0a9e4df22350d5c5bbf428
[INFO] running `Command { std: "docker" "start" "-a" "6ba144fc4b9b70bc82264c2725bdc862ad8640aa5c0a9e4df22350d5c5bbf428", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::num::NonZeroU32`
[INFO] [stderr]  --> src/sb_window.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::NonZeroU32;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `softbuffer::Surface`
[INFO] [stderr]  --> src/sb_window.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use softbuffer::Surface;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `winit::dpi::PhysicalSize`
[INFO] [stderr]  --> src/sb_window.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use winit::dpi::PhysicalSize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ControlFlow` and `EventLoop`
[INFO] [stderr]  --> src/sb_window.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 | use winit::event_loop::{ActiveEventLoop, ControlFlow, EventLoop};
[INFO] [stderr]   |                                          ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `softbuffer_quickstart` (lib) generated 4 warnings (run `cargo fix --lib -p softbuffer_quickstart` to apply 4 suggestions)
[INFO] [stderr] warning: `softbuffer_quickstart` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/softbuffer_quickstart-e84ca3d9ef13bf16)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests softbuffer_quickstart
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/sb_window.rs - sb_window::SoftbufferWindow::run (line 65) ... FAILED
[INFO] [stdout] test src/lib.rs - init (line 49) ... ok
[INFO] [stdout] test src/sb_window.rs - sb_window::SoftbufferWindow::new (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/sb_window.rs - sb_window::SoftbufferWindow::run (line 65) 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/sb_window.rs:75:3
[INFO] [stdout]    |
[INFO] [stdout]  4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sb_window_rs_65_0() {
[INFO] [stdout]    |                                      ---------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 13 | })?;
[INFO] [stdout]    |   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout]  4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_sb_window_rs_65_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]  5 | use winit::event::WindowEvent;
[INFO] [stdout] ...
[INFO] [stdout] 13 | })?;
[INFO] [stdout] 14 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/sb_window.rs - sb_window::SoftbufferWindow::run (line 65)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6ba144fc4b9b70bc82264c2725bdc862ad8640aa5c0a9e4df22350d5c5bbf428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba144fc4b9b70bc82264c2725bdc862ad8640aa5c0a9e4df22350d5c5bbf428", kill_on_drop: false }`
[INFO] [stdout] 6ba144fc4b9b70bc82264c2725bdc862ad8640aa5c0a9e4df22350d5c5bbf428