[INFO] cloning repository https://github.com/vjuutilainen/shaders
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjuutilainen/shaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjuutilainen%2Fshaders", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjuutilainen%2Fshaders'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0641f1ed77da52a789b722c7977fff21b56a163f
[INFO] testing vjuutilainen/shaders against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjuutilainen%2Fshaders" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vjuutilainen/shaders on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vjuutilainen/shaders
[INFO] finished tweaking git repo https://github.com/vjuutilainen/shaders
[INFO] tweaked toml for git repo https://github.com/vjuutilainen/shaders written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/vjuutilainen/shaders already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.21.7
[INFO] [stderr]   Downloaded rusttype v0.7.3
[INFO] [stderr]   Downloaded wayland-protocols v0.21.7
[INFO] [stderr]   Downloaded andrew v0.1.4
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.3
[INFO] [stderr]   Downloaded wayland-client v0.21.7
[INFO] [stderr]   Downloaded wayland-commons v0.21.7
[INFO] [stderr]   Downloaded wayland-scanner v0.21.7
[INFO] [stderr]   Downloaded winit v0.18.0
[INFO] [stderr]   Downloaded stb_truetype v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f51c522295c94f98d9b6e172d98712330b1f9975e5d80870e0aac2ca8731e1
[INFO] running `Command { std: "docker" "start" "-a" "a9f51c522295c94f98d9b6e172d98712330b1f9975e5d80870e0aac2ca8731e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f51c522295c94f98d9b6e172d98712330b1f9975e5d80870e0aac2ca8731e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f51c522295c94f98d9b6e172d98712330b1f9975e5d80870e0aac2ca8731e1", kill_on_drop: false }`
[INFO] [stdout] a9f51c522295c94f98d9b6e172d98712330b1f9975e5d80870e0aac2ca8731e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91b8802396a929fc5c6760bc26abe322c983a1e7d0d0828e49687c6446f463f
[INFO] running `Command { std: "docker" "start" "-a" "d91b8802396a929fc5c6760bc26abe322c983a1e7d0d0828e49687c6446f463f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling stb_truetype v0.2.5
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.21.7
[INFO] [stderr]    Compiling wayland-protocols v0.21.7
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling andrew v0.1.4
[INFO] [stderr]    Compiling wayland-sys v0.21.7
[INFO] [stderr]    Compiling wayland-commons v0.21.7
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.3
[INFO] [stderr]    Compiling winit v0.18.0
[INFO] [stderr]    Compiling shaders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(duration_as_u128)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gl` is imported redundantly
[INFO] [stdout]   --> src/main.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         use gl;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `gl` is imported redundantly
[INFO] [stdout]   --> src/main.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |         use gl;
[INFO] [stdout]    |             ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shaders` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d91b8802396a929fc5c6760bc26abe322c983a1e7d0d0828e49687c6446f463f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91b8802396a929fc5c6760bc26abe322c983a1e7d0d0828e49687c6446f463f", kill_on_drop: false }`
[INFO] [stdout] d91b8802396a929fc5c6760bc26abe322c983a1e7d0d0828e49687c6446f463f