[INFO] cloning repository https://github.com/xiuxiu62/screen-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiuxiu62/screen-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Fscreen-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Fscreen-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88e229923dc6311b5b2c1822471588b59283f68b
[INFO] checking xiuxiu62/screen-emulator against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiuxiu62%2Fscreen-emulator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xiuxiu62/screen-emulator on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xiuxiu62/screen-emulator
[INFO] finished tweaking git repo https://github.com/xiuxiu62/screen-emulator
[INFO] tweaked toml for git repo https://github.com/xiuxiu62/screen-emulator written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/xiuxiu62/screen-emulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db86730cd03d2f0535f1f20de906f32d5071f8f7e601ccab52743337ec7c837c
[INFO] running `Command { std: "docker" "start" "-a" "db86730cd03d2f0535f1f20de906f32d5071f8f7e601ccab52743337ec7c837c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db86730cd03d2f0535f1f20de906f32d5071f8f7e601ccab52743337ec7c837c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db86730cd03d2f0535f1f20de906f32d5071f8f7e601ccab52743337ec7c837c", kill_on_drop: false }`
[INFO] [stdout] db86730cd03d2f0535f1f20de906f32d5071f8f7e601ccab52743337ec7c837c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731e32338bd83cf7493d979944d3aaa86030ec50da75779006a6fed31a4912df
[INFO] running `Command { std: "docker" "start" "-a" "731e32338bd83cf7493d979944d3aaa86030ec50da75779006a6fed31a4912df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking inplace_it v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking iced_core v0.4.0
[INFO] [stderr]     Checking glow v0.7.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]     Checking no-std-compat v0.4.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]     Checking iced_style v0.3.0
[INFO] [stderr]     Checking grid v0.5.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking owned_ttf_parser v0.12.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.7.0
[INFO] [stderr]     Checking ab_glyph v0.2.11
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking euclid v0.22.6
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking glyph_brush_layout v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking twox-hash v1.6.1
[INFO] [stderr]     Checking guillotiere v0.6.2
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking glyph_brush_draw_cache v0.1.4
[INFO] [stderr]     Checking glyph_brush v0.7.2
[INFO] [stderr]     Checking freetype v0.7.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking font-kit v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling bytemuck_derive v1.0.1
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking smithay-client-toolkit v0.14.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking naga v0.3.2
[INFO] [stderr]     Checking clipboard_x11 v0.3.1
[INFO] [stderr]     Checking gpu-descriptor v0.1.1
[INFO] [stderr]     Checking gpu-alloc v0.3.2
[INFO] [stderr]     Checking smithay-clipboard v0.6.4
[INFO] [stderr]     Checking clipboard_wayland v0.2.0
[INFO] [stderr]     Checking window_clipboard v0.2.1
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking iced_futures v0.3.0
[INFO] [stderr]     Checking iced_native v0.4.0
[INFO] [stderr]     Checking gfx-hal v0.7.0
[INFO] [stderr]     Checking iced_graphics v0.2.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.7.0
[INFO] [stderr]     Checking gfx-backend-empty v0.7.0
[INFO] [stderr]     Checking iced_winit v0.3.0
[INFO] [stderr]     Checking gfx-auxil v0.8.0
[INFO] [stderr]     Checking gfx-backend-gl v0.7.1
[INFO] [stderr]     Checking wgpu v0.7.1
[INFO] [stderr]     Checking wgpu_glyph v0.11.0
[INFO] [stderr]     Checking iced_wgpu v0.4.0
[INFO] [stderr]     Checking iced v0.3.0
[INFO] [stderr]     Checking screen-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `grid`, `queued_ticks`, `speed` and `next_speed` are never read
[INFO] [stdout]   --> src/screen.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Screen {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 36 |     title: String,
[INFO] [stdout] 37 |     grid: Grid<Pixel>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 38 |     queued_ticks: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 39 |     speed: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     next_speed: Option<usize>,
[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: fields `grid`, `queued_ticks`, `speed` and `next_speed` are never read
[INFO] [stdout]   --> src/screen.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Screen {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 36 |     title: String,
[INFO] [stdout] 37 |     grid: Grid<Pixel>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 38 |     queued_ticks: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 39 |     speed: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 40 |     next_speed: Option<usize>,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.65s
[INFO] running `Command { std: "docker" "inspect" "731e32338bd83cf7493d979944d3aaa86030ec50da75779006a6fed31a4912df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731e32338bd83cf7493d979944d3aaa86030ec50da75779006a6fed31a4912df", kill_on_drop: false }`
[INFO] [stdout] 731e32338bd83cf7493d979944d3aaa86030ec50da75779006a6fed31a4912df