[INFO] fetching crate embedded-graphics-web-simulator 0.4.0...
[INFO] checking embedded-graphics-web-simulator-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate embedded-graphics-web-simulator 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate embedded-graphics-web-simulator 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-graphics-web-simulator 0.4.0
[INFO] finished tweaking crates.io crate embedded-graphics-web-simulator 0.4.0
[INFO] tweaked toml for crates.io crate embedded-graphics-web-simulator 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38cce90179ff29ded44affab7ea410cf84499d471f45570451a7a586d9295bfe
[INFO] running `Command { std: "docker" "start" "-a" "38cce90179ff29ded44affab7ea410cf84499d471f45570451a7a586d9295bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38cce90179ff29ded44affab7ea410cf84499d471f45570451a7a586d9295bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cce90179ff29ded44affab7ea410cf84499d471f45570451a7a586d9295bfe", kill_on_drop: false }`
[INFO] [stdout] 38cce90179ff29ded44affab7ea410cf84499d471f45570451a7a586d9295bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1473e33fbdf206adbb55d1045783e2d9b3e80521db149c46c9bc700367de04
[INFO] running `Command { std: "docker" "start" "-a" "4d1473e33fbdf206adbb55d1045783e2d9b3e80521db149c46c9bc700367de04", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking embedded-graphics-web-simulator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Size` is imported redundantly
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     geometry::Size,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Size` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Size` is imported redundantly
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     geometry::Size,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Size` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PixelColor` is imported redundantly
[INFO] [stdout]  --> src/display.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `PixelColor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PixelColor` is imported redundantly
[INFO] [stdout]  --> src/display.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `PixelColor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.85s
[INFO] running `Command { std: "docker" "inspect" "4d1473e33fbdf206adbb55d1045783e2d9b3e80521db149c46c9bc700367de04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1473e33fbdf206adbb55d1045783e2d9b3e80521db149c46c9bc700367de04", kill_on_drop: false }`
[INFO] [stdout] 4d1473e33fbdf206adbb55d1045783e2d9b3e80521db149c46c9bc700367de04
[INFO] checking embedded-graphics-web-simulator-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate embedded-graphics-web-simulator 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate embedded-graphics-web-simulator 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-graphics-web-simulator 0.4.0
[INFO] finished tweaking crates.io crate embedded-graphics-web-simulator 0.4.0
[INFO] tweaked toml for crates.io crate embedded-graphics-web-simulator 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--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]      Locking 24 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e15b466ca35f4441a03b5355fb271333068cad1cb12661cd06b1551983c4802
[INFO] running `Command { std: "docker" "start" "-a" "1e15b466ca35f4441a03b5355fb271333068cad1cb12661cd06b1551983c4802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e15b466ca35f4441a03b5355fb271333068cad1cb12661cd06b1551983c4802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e15b466ca35f4441a03b5355fb271333068cad1cb12661cd06b1551983c4802", kill_on_drop: false }`
[INFO] [stdout] 1e15b466ca35f4441a03b5355fb271333068cad1cb12661cd06b1551983c4802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3da571d7c6d4335614e9d0e0cc7a1f847f256485d890f5127f3ef08f6f6c2ff0
[INFO] running `Command { std: "docker" "start" "-a" "3da571d7c6d4335614e9d0e0cc7a1f847f256485d890f5127f3ef08f6f6c2ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking wasm-bindgen v0.2.92
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking embedded-graphics-web-simulator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Size` is imported redundantly
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     geometry::Size,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Size` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PixelColor` is imported redundantly
[INFO] [stdout]  --> src/display.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `PixelColor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Size` is imported redundantly
[INFO] [stdout]  --> src/display.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     geometry::Size,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `Size` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PixelColor` is imported redundantly
[INFO] [stdout]  --> src/display.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pixelcolor::{PixelColor, Rgb888},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 7 |     prelude::*,
[INFO] [stdout]   |     ---------- the item `PixelColor` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "3da571d7c6d4335614e9d0e0cc7a1f847f256485d890f5127f3ef08f6f6c2ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3da571d7c6d4335614e9d0e0cc7a1f847f256485d890f5127f3ef08f6f6c2ff0", kill_on_drop: false }`
[INFO] [stdout] 3da571d7c6d4335614e9d0e0cc7a1f847f256485d890f5127f3ef08f6f6c2ff0