[INFO] cloning repository https://github.com/kurtbuilds/rust-frontend [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurtbuilds/rust-frontend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtbuilds%2Frust-frontend", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtbuilds%2Frust-frontend'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 22d3627220c95fdcda9559e7d31bef3c84697f35 [INFO] checking kurtbuilds/rust-frontend against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurtbuilds%2Frust-frontend" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kurtbuilds/rust-frontend on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kurtbuilds/rust-frontend [INFO] finished tweaking git repo https://github.com/kurtbuilds/rust-frontend [INFO] tweaked toml for git repo https://github.com/kurtbuilds/rust-frontend written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kurtbuilds/rust-frontend 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b111b7b760d38b4021a44b76f6018eba27cac4ae4c20fa82e0b06df325eccb57 [INFO] running `Command { std: "docker" "start" "-a" "b111b7b760d38b4021a44b76f6018eba27cac4ae4c20fa82e0b06df325eccb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b111b7b760d38b4021a44b76f6018eba27cac4ae4c20fa82e0b06df325eccb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b111b7b760d38b4021a44b76f6018eba27cac4ae4c20fa82e0b06df325eccb57", kill_on_drop: false }` [INFO] [stdout] b111b7b760d38b4021a44b76f6018eba27cac4ae4c20fa82e0b06df325eccb57 [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 379757e0edd62a78a4f5e1c0e008ecceff628045bf4ab079447a3e39f6822e73 [INFO] running `Command { std: "docker" "start" "-a" "379757e0edd62a78a4f5e1c0e008ecceff628045bf4ab079447a3e39f6822e73", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.80 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bumpalo v3.9.1 [INFO] [stderr] Compiling wasm-bindgen v0.2.80 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.80 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.80 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.80 [INFO] [stderr] Checking js-sys v0.3.57 [INFO] [stderr] Checking web-sys v0.3.57 [INFO] [stderr] Checking hello-world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::console::console_log` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) use crate::console::console_log; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Document` is never constructed [INFO] [stdout] --> src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct Document { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Window` is never constructed [INFO] [stdout] --> src/lib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Window { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ObserverLock` is never constructed [INFO] [stdout] --> src/observable.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | struct ObserverLock { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/observable.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 11 | / impl ObserverLock [INFO] [stdout] 12 | | where [INFO] [stdout] 13 | | F: FnMut(&mut T), [INFO] [stdout] | |_________________________- associated items in this implementation [INFO] [stdout] 14 | { [INFO] [stdout] 15 | pub fn new(inner: T, callback: F) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn lock(&mut self) -> ObserverLockGuard { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ObserverLockGuard` is never constructed [INFO] [stdout] --> src/observable.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct ObserverLockGuard<'a, T, F: FnMut(&mut T)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::console::console_log` [INFO] [stdout] --> src/lib.rs:6:16 [INFO] [stdout] | [INFO] [stdout] 6 | pub(crate) use crate::console::console_log; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Document` is never constructed [INFO] [stdout] --> src/lib.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | struct Document { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Window` is never constructed [INFO] [stdout] --> src/lib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Window { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.52s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.80 [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" "379757e0edd62a78a4f5e1c0e008ecceff628045bf4ab079447a3e39f6822e73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "379757e0edd62a78a4f5e1c0e008ecceff628045bf4ab079447a3e39f6822e73", kill_on_drop: false }` [INFO] [stdout] 379757e0edd62a78a4f5e1c0e008ecceff628045bf4ab079447a3e39f6822e73