[INFO] cloning repository https://github.com/andrewvy/webmask-renderer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewvy/webmask-renderer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fwebmask-renderer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fwebmask-renderer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ca7c5eb5e35cefb627f12a3e1c696deeb7b8221
[INFO] testing andrewvy/webmask-renderer against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewvy%2Fwebmask-renderer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewvy/webmask-renderer on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewvy/webmask-renderer
[INFO] finished tweaking git repo https://github.com/andrewvy/webmask-renderer
[INFO] tweaked toml for git repo https://github.com/andrewvy/webmask-renderer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewvy/webmask-renderer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e763ec2c2f001789afae258486c01685665c39ba09fdcb9f65e73d20ac175dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e763ec2c2f001789afae258486c01685665c39ba09fdcb9f65e73d20ac175dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e763ec2c2f001789afae258486c01685665c39ba09fdcb9f65e73d20ac175dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e763ec2c2f001789afae258486c01685665c39ba09fdcb9f65e73d20ac175dc", kill_on_drop: false }`
[INFO] [stdout] 4e763ec2c2f001789afae258486c01685665c39ba09fdcb9f65e73d20ac175dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17f8b5b6a8a58464d2dbc719e8f588290bc328b3f89889a439472e19f359e70d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17f8b5b6a8a58464d2dbc719e8f588290bc328b3f89889a439472e19f359e70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling xmlparser v0.8.1
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pangocairo v0.6.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling simplecss v0.1.0
[INFO] [stderr]    Compiling rctree v0.2.1
[INFO] [stderr]    Compiling rgb v0.8.12
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling svgtypes v0.4.1
[INFO] [stderr]    Compiling roxmltree v0.4.1
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling pangocairo-sys v0.8.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling nom v4.2.0
[INFO] [stderr]    Compiling svgdom v0.16.0
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling pango v0.5.0
[INFO] [stderr]    Compiling euclid v0.19.5
[INFO] [stderr]    Compiling lyon_geom v0.12.2
[INFO] [stderr]    Compiling usvg v0.5.0
[INFO] [stderr]    Compiling resvg v0.5.0
[INFO] [stderr]    Compiling webmask_renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `be_i64`, `be_i8`
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nom::{be_i8, be_i32, be_i64, rest};
[INFO] [stdout]    |           ^^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `le_i32`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nom::{le_i32};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   total_time += (frame.time - initial_time);
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     e => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         e => {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_1`
[INFO] [stdout]    --> src/main.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     unknown_1: be_i32
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_2`
[INFO] [stdout]    --> src/main.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     >> unknown_2: be_i32
[INFO] [stdout]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_1`
[INFO] [stdout]    --> src/main.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 |     >> unknown_1: be_i32
[INFO] [stdout]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 53s
[INFO] running `Command { std: "docker" "inspect" "17f8b5b6a8a58464d2dbc719e8f588290bc328b3f89889a439472e19f359e70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f8b5b6a8a58464d2dbc719e8f588290bc328b3f89889a439472e19f359e70d", kill_on_drop: false }`
[INFO] [stdout] 17f8b5b6a8a58464d2dbc719e8f588290bc328b3f89889a439472e19f359e70d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 722f8604720ebbe6251679002972e0b7d34b2bbb45d5702a57747bb207216503
[INFO] running `Command { std: "docker" "start" "-a" "722f8604720ebbe6251679002972e0b7d34b2bbb45d5702a57747bb207216503", kill_on_drop: false }`
[INFO] [stderr]    Compiling webmask_renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefMut`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::cell::RefMut;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `be_i64`, `be_i8`
[INFO] [stdout]   --> src/main.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nom::{be_i8, be_i32, be_i64, rest};
[INFO] [stdout]    |           ^^^^^          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `le_i32`
[INFO] [stdout]   --> src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nom::{le_i32};
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...                   total_time += (frame.time - initial_time);
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:152:21
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     e => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         e => {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_1`
[INFO] [stdout]    --> src/main.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     unknown_1: be_i32
[INFO] [stdout]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_2`
[INFO] [stdout]    --> src/main.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     >> unknown_2: be_i32
[INFO] [stdout]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unknown_1`
[INFO] [stdout]    --> src/main.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 |     >> unknown_1: be_i32
[INFO] [stdout]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "722f8604720ebbe6251679002972e0b7d34b2bbb45d5702a57747bb207216503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722f8604720ebbe6251679002972e0b7d34b2bbb45d5702a57747bb207216503", kill_on_drop: false }`
[INFO] [stdout] 722f8604720ebbe6251679002972e0b7d34b2bbb45d5702a57747bb207216503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bacf10aa8d9fa64a36a7454e83f942d405ddae417bb6d63f4bc831a70f46ae37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bacf10aa8d9fa64a36a7454e83f942d405ddae417bb6d63f4bc831a70f46ae37", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::cell::RefMut`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::cell::RefMut;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `be_i64`, `be_i8`
[INFO] [stderr]   --> src/main.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | use nom::{be_i8, be_i32, be_i64, rest};
[INFO] [stderr]    |           ^^^^^          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `le_i32`
[INFO] [stderr]   --> src/main.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nom::{le_i32};
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/main.rs:143:43
[INFO] [stderr]     |
[INFO] [stderr] 143 | ...                   total_time += (frame.time - initial_time);
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:152:21
[INFO] [stderr]     |
[INFO] [stderr] 152 |                     e => {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:158:9
[INFO] [stderr]     |
[INFO] [stderr] 158 |         e => {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unknown_1`
[INFO] [stderr]    --> src/main.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     unknown_1: be_i32
[INFO] [stderr]     |     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unknown_2`
[INFO] [stderr]    --> src/main.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 |     >> unknown_2: be_i32
[INFO] [stderr]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unknown_1`
[INFO] [stderr]    --> src/main.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 177 |     >> unknown_1: be_i32
[INFO] [stderr]     |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unknown_1`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/webmask_renderer-8a5ec2fbab71715f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bacf10aa8d9fa64a36a7454e83f942d405ddae417bb6d63f4bc831a70f46ae37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bacf10aa8d9fa64a36a7454e83f942d405ddae417bb6d63f4bc831a70f46ae37", kill_on_drop: false }`
[INFO] [stdout] bacf10aa8d9fa64a36a7454e83f942d405ddae417bb6d63f4bc831a70f46ae37