[INFO] cloning repository https://github.com/iveltondequeiroz/wasm-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iveltondequeiroz/wasm-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fwasm-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fwasm-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e41269b252e19886afd9c7548c69fb8fc60536f
[INFO] checking iveltondequeiroz/wasm-snake against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiveltondequeiroz%2Fwasm-snake" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iveltondequeiroz/wasm-snake on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iveltondequeiroz/wasm-snake
[INFO] finished tweaking git repo https://github.com/iveltondequeiroz/wasm-snake
[INFO] tweaked toml for git repo https://github.com/iveltondequeiroz/wasm-snake written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/iveltondequeiroz/wasm-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.5
[INFO] [stderr]   Downloaded serde v1.0.87
[INFO] [stderr]   Downloaded serde_derive v1.0.87
[INFO] [stderr]   Downloaded stdweb v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46098c82bcbb35af7c3229eac4a6b97389ec731eaaa12faede11612bee0c9820
[INFO] running `Command { std: "docker" "start" "-a" "46098c82bcbb35af7c3229eac4a6b97389ec731eaaa12faede11612bee0c9820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46098c82bcbb35af7c3229eac4a6b97389ec731eaaa12faede11612bee0c9820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46098c82bcbb35af7c3229eac4a6b97389ec731eaaa12faede11612bee0c9820", kill_on_drop: false }`
[INFO] [stdout] 46098c82bcbb35af7c3229eac4a6b97389ec731eaaa12faede11612bee0c9820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f92ba9a8359c9caeb6a0848354aab5e4483e877fdf64addcf5832cc9011024
[INFO] running `Command { std: "docker" "start" "-a" "51f92ba9a8359c9caeb6a0848354aab5e4483e877fdf64addcf5832cc9011024", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stdweb v0.4.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.5
[INFO] [stderr]     Checking wasm-snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `canvas` is never read
[INFO] [stdout]  --> src/canvas.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Canvas {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 7 |     pub canvas: CanvasElement,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `canvas` is never read
[INFO] [stdout]  --> src/canvas.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Canvas {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 7 |     pub canvas: CanvasElement,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stdweb v0.4.13
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "51f92ba9a8359c9caeb6a0848354aab5e4483e877fdf64addcf5832cc9011024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f92ba9a8359c9caeb6a0848354aab5e4483e877fdf64addcf5832cc9011024", kill_on_drop: false }`
[INFO] [stdout] 51f92ba9a8359c9caeb6a0848354aab5e4483e877fdf64addcf5832cc9011024