[INFO] cloning repository https://github.com/cottonguard/rust-gfx-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cottonguard/rust-gfx-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-gfx-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-gfx-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de99ece8d2f844f05f3047bb80a319fcf099c85d
[INFO] checking cottonguard/rust-gfx-learn against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Frust-gfx-learn" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cottonguard/rust-gfx-learn
[INFO] finished tweaking git repo https://github.com/cottonguard/rust-gfx-learn
[INFO] tweaked toml for git repo https://github.com/cottonguard/rust-gfx-learn written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cottonguard/rust-gfx-learn on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cottonguard/rust-gfx-learn 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" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded gfx_gl v0.6.0
[INFO] [stderr]   Downloaded gfx_window_glutin v0.31.0
[INFO] [stderr]   Downloaded gfx v0.18.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] [stderr]   Downloaded gfx_core v0.9.1
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.1
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded backtrace v0.3.18
[INFO] [stderr]   Downloaded rusttype v0.7.6
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d83b7636eab5766660222d77243bac7aabaf63a59cdf8a0ae52075502a1856
[INFO] running `Command { std: "docker" "start" "-a" "f9d83b7636eab5766660222d77243bac7aabaf63a59cdf8a0ae52075502a1856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d83b7636eab5766660222d77243bac7aabaf63a59cdf8a0ae52075502a1856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d83b7636eab5766660222d77243bac7aabaf63a59cdf8a0ae52075502a1856", kill_on_drop: false }`
[INFO] [stdout] f9d83b7636eab5766660222d77243bac7aabaf63a59cdf8a0ae52075502a1856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8069d45494fc94736ea37547a64448002cded5ffabe724c2d708c88dd94d1a16
[INFO] running `Command { std: "docker" "start" "-a" "8069d45494fc94736ea37547a64448002cded5ffabe724c2d708c88dd94d1a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking downcast-rs v1.0.4
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]     Checking rusttype v0.7.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking wayland-commons v0.21.12
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking gfx_core v0.9.1
[INFO] [stderr]     Checking gfx_device_gl v0.16.1
[INFO] [stderr]     Checking gfx v0.18.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking glutin v0.21.0
[INFO] [stderr]     Checking gfx_window_glutin v0.31.0
[INFO] [stderr]     Checking gfx_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `start_time` is never read
[INFO] [stdout]  --> src/frame_count.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FrameCount {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     start_time: Instant,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_time` is never read
[INFO] [stdout]  --> src/frame_count.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct FrameCount {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7 |     start_time: Instant,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (window, mut device, mut factory, main_color, mut main_depth) =
[INFO] [stdout]    |                                                       ----^^^^^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut data = pipe::Data {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_depth`
[INFO] [stdout]   --> src/main.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (window, mut device, mut factory, main_color, mut main_depth) =
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_depth`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (window, mut device, mut factory, main_color, mut main_depth) =
[INFO] [stdout]    |                                                       ----^^^^^^^^^^
[INFO] [stdout]    |                                                       |
[INFO] [stdout]    |                                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut data = pipe::Data {
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_depth`
[INFO] [stdout]   --> src/main.rs:38:55
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let (window, mut device, mut factory, main_color, mut main_depth) =
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_depth`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: winit v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8069d45494fc94736ea37547a64448002cded5ffabe724c2d708c88dd94d1a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8069d45494fc94736ea37547a64448002cded5ffabe724c2d708c88dd94d1a16", kill_on_drop: false }`
[INFO] [stdout] 8069d45494fc94736ea37547a64448002cded5ffabe724c2d708c88dd94d1a16
