[INFO] fetching crate webgl-rc 0.1.8...
[INFO] checking webgl-rc-0.1.8 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate webgl-rc 0.1.8 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate webgl-rc 0.1.8 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 webgl-rc 0.1.8
[INFO] finished tweaking crates.io crate webgl-rc 0.1.8
[INFO] tweaked toml for crates.io crate webgl-rc 0.1.8 written to /workspace/builds/worker-3-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 32 packages
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.2)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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 webgl-rc-macro v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9ec2fbf511a1714ca5af3f037baf9caf4b5585acc0a0e9e943fd7d17aea1067f
[INFO] running `Command { std: "docker" "start" "-a" "9ec2fbf511a1714ca5af3f037baf9caf4b5585acc0a0e9e943fd7d17aea1067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec2fbf511a1714ca5af3f037baf9caf4b5585acc0a0e9e943fd7d17aea1067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec2fbf511a1714ca5af3f037baf9caf4b5585acc0a0e9e943fd7d17aea1067f", kill_on_drop: false }`
[INFO] [stdout] 9ec2fbf511a1714ca5af3f037baf9caf4b5585acc0a0e9e943fd7d17aea1067f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bfe2af5ade9df12de98926ed28a1af686f7dbef59ed4e41eb257b1db4c25cdee
[INFO] running `Command { std: "docker" "start" "-a" "bfe2af5ade9df12de98926ed28a1af686f7dbef59ed4e41eb257b1db4c25cdee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling webgl-rc-macro v0.1.3
[INFO] [stderr]     Checking webgl-rc v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IntoPrimitive`, `TryFromPrimitive`
[INFO] [stdout]  --> src/data_buffer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_enum::{IntoPrimitive, TryFromPrimitive};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IntoPrimitive`, `TryFromPrimitive`
[INFO] [stdout]  --> src/data_buffer.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_enum::{IntoPrimitive, TryFromPrimitive};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ex_color_buffer_half_float`, `ex_texture_half_float`, `ex_texture_half_float_linear`, and `ex_element_index_uint` are never read
[INFO] [stdout]   --> src/gl.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(self) struct GlInfo {
[INFO] [stdout]    |                  ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub(self) ex_color_buffer_half_float: ExtColorBufferHalfFloat,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 75 |     pub(self) ex_texture_half_float: OesTextureHalfFloat,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 76 |     pub(self) ex_texture_half_float_linear: OesTextureHalfFloatLinear,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |     pub(self) ex_element_index_uint: OesElementIndexUint,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GlInfo` 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: field `data_type` is never read
[INFO] [stdout]   --> src/program.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct AttributeInfo {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     data_type: DataType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AttributeInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ex_color_buffer_half_float`, `ex_texture_half_float`, `ex_texture_half_float_linear`, and `ex_element_index_uint` are never read
[INFO] [stdout]   --> src/gl.rs:74:15
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub(self) struct GlInfo {
[INFO] [stdout]    |                  ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub(self) ex_color_buffer_half_float: ExtColorBufferHalfFloat,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 75 |     pub(self) ex_texture_half_float: OesTextureHalfFloat,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 76 |     pub(self) ex_texture_half_float_linear: OesTextureHalfFloatLinear,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 77 |     pub(self) ex_element_index_uint: OesElementIndexUint,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GlInfo` 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: field `data_type` is never read
[INFO] [stdout]   --> src/program.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct AttributeInfo {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 32 |     data_type: DataType,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AttributeInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `Command { std: "docker" "inspect" "bfe2af5ade9df12de98926ed28a1af686f7dbef59ed4e41eb257b1db4c25cdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe2af5ade9df12de98926ed28a1af686f7dbef59ed4e41eb257b1db4c25cdee", kill_on_drop: false }`
[INFO] [stdout] bfe2af5ade9df12de98926ed28a1af686f7dbef59ed4e41eb257b1db4c25cdee