Dec 18 09:32:44.339 INFO checking virtual-node-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:32:44.339 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/virtual-node/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:32:44.644 INFO [stdout] 0ec1498e2f2a093259fa616e0bdfe6d4128347da26e4bc587000d9d4725f1af6
Dec 18 09:32:44.648 INFO running `"docker" "start" "-a" "0ec1498e2f2a093259fa616e0bdfe6d4128347da26e4bc587000d9d4725f1af6"`
Dec 18 09:32:46.164 INFO [stderr]    Compiling wasm-bindgen v0.2.29
Dec 18 09:32:46.172 INFO [stderr]    Compiling web-sys v0.3.6
Dec 18 09:32:47.894 INFO [stderr]     Checking js-sys v0.3.6
Dec 18 09:33:01.936 INFO [stderr]     Checking virtual-node v0.0.1 (/opt/crater/workdir)
Dec 18 09:33:02.454 INFO [stderr] warning: unused import: `js_sys::Function`
Dec 18 09:33:02.454 INFO [stderr]   --> src/lib.rs:23:5
Dec 18 09:33:02.454 INFO [stderr]    |
Dec 18 09:33:02.454 INFO [stderr] 23 | use js_sys::Function;
Dec 18 09:33:02.454 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 09:33:02.454 INFO [stderr]    |
Dec 18 09:33:02.454 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 09:33:02.454 INFO [stderr] 
Dec 18 09:33:02.454 INFO [stderr] warning: unused import: `js_sys::Function`
Dec 18 09:33:02.454 INFO [stderr]  --> src/browser_events.rs:8:5
Dec 18 09:33:02.454 INFO [stderr]   |
Dec 18 09:33:02.454 INFO [stderr] 8 | use js_sys::Function;
Dec 18 09:33:02.454 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 09:33:02.454 INFO [stderr] 
Dec 18 09:33:02.455 INFO [stderr] warning: unused import: `wasm_bindgen::JsCast`
Dec 18 09:33:02.455 INFO [stderr]   --> src/browser_events.rs:10:5
Dec 18 09:33:02.455 INFO [stderr]    |
Dec 18 09:33:02.455 INFO [stderr] 10 | use wasm_bindgen::JsCast;
Dec 18 09:33:02.455 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 09:33:02.455 INFO [stderr] 
Dec 18 09:33:02.620 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:02.620 INFO [stderr]    --> src/lib.rs:217:13
Dec 18 09:33:02.620 INFO [stderr]     |
Dec 18 09:33:02.620 INFO [stderr] 217 |         let mut callback = self.browser_events.oninput.borrow_mut().take();
Dec 18 09:33:02.620 INFO [stderr]     |             ----^^^^^^^^
Dec 18 09:33:02.620 INFO [stderr]     |             |
Dec 18 09:33:02.620 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:02.620 INFO [stderr]     |
Dec 18 09:33:02.620 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:33:02.620 INFO [stderr] 
Dec 18 09:33:02.640 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:33:02.641 INFO [stderr]    --> src/lib.rs:373:13
Dec 18 09:33:02.641 INFO [stderr]     |
Dec 18 09:33:02.641 INFO [stderr] 373 |             write!(f, ">");
Dec 18 09:33:02.642 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 18 09:33:02.642 INFO [stderr]     |
Dec 18 09:33:02.642 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 09:33:02.643 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:33:02.643 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 09:33:02.643 INFO [stderr] 
Dec 18 09:33:02.836 INFO [stderr] warning: unused import: `js_sys::Function`
Dec 18 09:33:02.836 INFO [stderr]   --> src/lib.rs:23:5
Dec 18 09:33:02.836 INFO [stderr]    |
Dec 18 09:33:02.836 INFO [stderr] 23 | use js_sys::Function;
Dec 18 09:33:02.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 18 09:33:02.836 INFO [stderr]    |
Dec 18 09:33:02.836 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 09:33:02.836 INFO [stderr] 
Dec 18 09:33:02.836 INFO [stderr] warning: unused import: `js_sys::Function`
Dec 18 09:33:02.836 INFO [stderr]  --> src/browser_events.rs:8:5
Dec 18 09:33:02.836 INFO [stderr]   |
Dec 18 09:33:02.836 INFO [stderr] 8 | use js_sys::Function;
Dec 18 09:33:02.836 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 09:33:02.836 INFO [stderr] 
Dec 18 09:33:02.836 INFO [stderr] warning: unused import: `wasm_bindgen::JsCast`
Dec 18 09:33:02.836 INFO [stderr]   --> src/browser_events.rs:10:5
Dec 18 09:33:02.836 INFO [stderr]    |
Dec 18 09:33:02.836 INFO [stderr] 10 | use wasm_bindgen::JsCast;
Dec 18 09:33:02.836 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 09:33:02.836 INFO [stderr] 
Dec 18 09:33:02.836 INFO [stderr] warning: unused import: `super::*`
Dec 18 09:33:02.836 INFO [stderr]    --> src/lib.rs:405:9
Dec 18 09:33:02.837 INFO [stderr]     |
Dec 18 09:33:02.837 INFO [stderr] 405 |     use super::*;
Dec 18 09:33:02.837 INFO [stderr]     |         ^^^^^^^^
Dec 18 09:33:02.837 INFO [stderr] 
Dec 18 09:33:02.982 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:33:02.982 INFO [stderr]    --> src/lib.rs:217:13
Dec 18 09:33:02.982 INFO [stderr]     |
Dec 18 09:33:02.982 INFO [stderr] 217 |         let mut callback = self.browser_events.oninput.borrow_mut().take();
Dec 18 09:33:02.982 INFO [stderr]     |             ----^^^^^^^^
Dec 18 09:33:02.982 INFO [stderr]     |             |
Dec 18 09:33:02.982 INFO [stderr]     |             help: remove this `mut`
Dec 18 09:33:02.982 INFO [stderr]     |
Dec 18 09:33:02.982 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 09:33:02.982 INFO [stderr] 
Dec 18 09:33:03.016 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:33:03.016 INFO [stderr]    --> src/lib.rs:373:13
Dec 18 09:33:03.016 INFO [stderr]     |
Dec 18 09:33:03.016 INFO [stderr] 373 |             write!(f, ">");
Dec 18 09:33:03.016 INFO [stderr]     |             ^^^^^^^^^^^^^^^
Dec 18 09:33:03.016 INFO [stderr]     |
Dec 18 09:33:03.016 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 09:33:03.016 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:33:03.016 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 09:33:03.016 INFO [stderr] 
Dec 18 09:33:03.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
Dec 18 09:33:03.821 INFO running `"docker" "inspect" "0ec1498e2f2a093259fa616e0bdfe6d4128347da26e4bc587000d9d4725f1af6"`
Dec 18 09:33:04.066 INFO running `"docker" "rm" "-f" "0ec1498e2f2a093259fa616e0bdfe6d4128347da26e4bc587000d9d4725f1af6"`
Dec 18 09:33:04.312 INFO [stdout] 0ec1498e2f2a093259fa616e0bdfe6d4128347da26e4bc587000d9d4725f1af6