[INFO] fetching crate luminance-glow 0.1.0...
[INFO] checking luminance-glow-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate luminance-glow 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate luminance-glow 0.1.0 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 luminance-glow 0.1.0
[INFO] finished tweaking crates.io crate luminance-glow 0.1.0
[INFO] tweaked toml for crates.io crate luminance-glow 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding glow v0.9.0 (latest: v0.13.1)
[INFO] [stderr]       Adding luminance v0.43.2 (latest: v0.47.0)
[INFO] [stderr]       Adding luminance-derive v0.6.3 (latest: v0.10.0)
[INFO] [stderr]       Adding slotmap v0.4.3 (latest: v1.0.7)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded luminance-derive v0.6.3
[INFO] [stderr]   Downloaded luminance v0.43.2
[INFO] [stderr]   Downloaded glow v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 450bce5c501598cd34a8736ca43213d91277c3775fdb7444ab2effaefbe236de
[INFO] running `Command { std: "docker" "start" "-a" "450bce5c501598cd34a8736ca43213d91277c3775fdb7444ab2effaefbe236de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450bce5c501598cd34a8736ca43213d91277c3775fdb7444ab2effaefbe236de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450bce5c501598cd34a8736ca43213d91277c3775fdb7444ab2effaefbe236de", kill_on_drop: false }`
[INFO] [stdout] 450bce5c501598cd34a8736ca43213d91277c3775fdb7444ab2effaefbe236de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e9b1f6e7ab88839f2aa09c62a32652f466215b49da9f4a847b8767ba2eb8205d
[INFO] running `Command { std: "docker" "start" "-a" "e9b1f6e7ab88839f2aa09c62a32652f466215b49da9f4a847b8767ba2eb8205d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]    Compiling luminance-glow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]    Compiling luminance-derive v0.6.3
[INFO] [stderr]     Checking luminance v0.43.2
[INFO] [stdout] warning: field `ty` is never read
[INFO] [stdout]   --> src/shader.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Stage {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     handle: glow::Shader,
[INFO] [stdout] 23 |     ty: StageType,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 `ty` is never read
[INFO] [stdout]   --> src/shader.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Stage {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     handle: glow::Shader,
[INFO] [stdout] 23 |     ty: StageType,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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` profile [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "e9b1f6e7ab88839f2aa09c62a32652f466215b49da9f4a847b8767ba2eb8205d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b1f6e7ab88839f2aa09c62a32652f466215b49da9f4a847b8767ba2eb8205d", kill_on_drop: false }`
[INFO] [stdout] e9b1f6e7ab88839f2aa09c62a32652f466215b49da9f4a847b8767ba2eb8205d