[INFO] fetching crate cef 117.2.6...
[INFO] checking cef-117.2.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cef 117.2.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cef 117.2.6 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cef 117.2.6
[INFO] finished tweaking crates.io crate cef 117.2.6
[INFO] tweaked toml for crates.io crate cef 117.2.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate cef 117.2.6 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ab_glyph v0.2.22
[INFO] [stderr]   Downloaded core-graphics-types v0.1.2
[INFO] [stderr]   Downloaded libcef-sys v117.2.6
[INFO] [stderr]   Downloaded jobserver v0.1.27
[INFO] [stderr]   Downloaded libloading v0.8.1
[INFO] [stderr]   Downloaded ttf-parser v0.19.2
[INFO] [stderr]   Downloaded owned_ttf_parser v0.19.0
[INFO] [stderr]   Downloaded orbclient v0.3.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4778f34c098a009644dac472bde3123f9705a7b2559a8bc3ac6aa73c72303591
[INFO] running `Command { std: "docker" "start" "-a" "4778f34c098a009644dac472bde3123f9705a7b2559a8bc3ac6aa73c72303591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4778f34c098a009644dac472bde3123f9705a7b2559a8bc3ac6aa73c72303591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4778f34c098a009644dac472bde3123f9705a7b2559a8bc3ac6aa73c72303591", kill_on_drop: false }`
[INFO] [stdout] 4778f34c098a009644dac472bde3123f9705a7b2559a8bc3ac6aa73c72303591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8547f75685143df05a8a8ce1c37484ca5eda1c07409601d69d529bc6a61a827
[INFO] running `Command { std: "docker" "start" "-a" "b8547f75685143df05a8a8ce1c37484ca5eda1c07409601d69d529bc6a61a827", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling libcef-sys v117.2.6
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking cef v117.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/command_line.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLine(RefGuard<cef_command_line_t>);
[INFO] [stdout]   |            ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLine(());
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tiny-skia v0.8.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]     Checking owned_ttf_parser v0.19.0
[INFO] [stderr]     Checking ab_glyph v0.2.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking thiserror v1.0.49
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking sctk-adwaita v0.5.4
[INFO] [stdout] warning: struct `DemoWindow` is never constructed
[INFO] [stdout]   --> examples/demo.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct DemoWindow {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/command_line.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLine(RefGuard<cef_command_line_t>);
[INFO] [stdout]   |            ----------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CommandLine(());
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `Command { std: "docker" "inspect" "b8547f75685143df05a8a8ce1c37484ca5eda1c07409601d69d529bc6a61a827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8547f75685143df05a8a8ce1c37484ca5eda1c07409601d69d529bc6a61a827", kill_on_drop: false }`
[INFO] [stdout] b8547f75685143df05a8a8ce1c37484ca5eda1c07409601d69d529bc6a61a827