[INFO] updating cached repository https://github.com/aleph-naught2tog/rust-wasm-experiments
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f60a2bc1db54a49c6fecb285ebb916023046eaf
[INFO] checking aleph-naught2tog/rust-wasm-experiments against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleph-naught2tog%2Frust-wasm-experiments" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleph-naught2tog/rust-wasm-experiments on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aleph-naught2tog/rust-wasm-experiments
[INFO] finished tweaking git repo https://github.com/aleph-naught2tog/rust-wasm-experiments
[INFO] tweaked toml for git repo https://github.com/aleph-naught2tog/rust-wasm-experiments written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aleph-naught2tog/rust-wasm-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d97b62166d275baf170926fc185ab2c5674af2b7e2ea7499aa18b5e0847e7e42
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d97b62166d275baf170926fc185ab2c5674af2b7e2ea7499aa18b5e0847e7e42"`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]     Checking js-sys v0.3.27
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking rust-webpack-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `EventTarget`, `HtmlElement`
[INFO] [stderr]  --> src/lib.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use web_sys::{EventTarget, HtmlElement};
[INFO] [stderr]   |               ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/lib.rs:53:49
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let callback = Closure::wrap(Box::new(move |event: web_sys::MouseEvent| {
[INFO] [stderr]    |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_element_by_id`
[INFO] [stderr]   --> src/dom.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get_element_by_id(&self, id: &str) -> Option<web_sys::HtmlElement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `EventTarget`, `HtmlElement`
[INFO] [stderr]  --> src/lib.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use web_sys::{EventTarget, HtmlElement};
[INFO] [stderr]   |               ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `event`
[INFO] [stderr]   --> src/lib.rs:53:49
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let callback = Closure::wrap(Box::new(move |event: web_sys::MouseEvent| {
[INFO] [stderr]    |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_element_by_id`
[INFO] [stderr]   --> src/dom.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get_element_by_id(&self, id: &str) -> Option<web_sys::HtmlElement> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.32s
[INFO] running `"docker" "inspect" "d97b62166d275baf170926fc185ab2c5674af2b7e2ea7499aa18b5e0847e7e42"`
[INFO] running `"docker" "rm" "-f" "d97b62166d275baf170926fc185ab2c5674af2b7e2ea7499aa18b5e0847e7e42"`
[INFO] [stdout] d97b62166d275baf170926fc185ab2c5674af2b7e2ea7499aa18b5e0847e7e42