[INFO] cloning repository https://github.com/davnav/rust-virtualdom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davnav/rust-virtualdom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Frust-virtualdom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Frust-virtualdom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4699dec192aa5069a215efcf4a1e6be89c03e3e4 [INFO] checking davnav/rust-virtualdom against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Frust-virtualdom" "/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/davnav/rust-virtualdom on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/davnav/rust-virtualdom [INFO] finished tweaking git repo https://github.com/davnav/rust-virtualdom [INFO] tweaked toml for git repo https://github.com/davnav/rust-virtualdom written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/davnav/rust-virtualdom already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-test v0.3.19 [INFO] [stderr] Downloaded serde_derive v1.0.117 [INFO] [stderr] Downloaded serde_json v1.0.59 [INFO] [stderr] Downloaded libc v0.2.80 [INFO] [stderr] Downloaded html_parser v0.5.0 [INFO] [stderr] Downloaded syn v1.0.53 [INFO] [stderr] Downloaded serde v1.0.117 [INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.19 [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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c57a58648e6f1be52684dffc3ad2cf49dd76890e489e762d9ac54c1b407d5b7 [INFO] running `Command { std: "docker" "start" "-a" "2c57a58648e6f1be52684dffc3ad2cf49dd76890e489e762d9ac54c1b407d5b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c57a58648e6f1be52684dffc3ad2cf49dd76890e489e762d9ac54c1b407d5b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c57a58648e6f1be52684dffc3ad2cf49dd76890e489e762d9ac54c1b407d5b7", kill_on_drop: false }` [INFO] [stdout] 2c57a58648e6f1be52684dffc3ad2cf49dd76890e489e762d9ac54c1b407d5b7 [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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 968057030c4159dc9fc61465b90f0ae1c3c3d7b82604549f455fdd93a47a7add [INFO] running `Command { std: "docker" "start" "-a" "968057030c4159dc9fc61465b90f0ae1c3c3d7b82604549f455fdd93a47a7add", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.69 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.69 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.19 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.69 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.69 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.69 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking js-sys v0.3.46 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.19 [INFO] [stderr] Checking web-sys v0.3.46 [INFO] [stderr] Checking wasm-bindgen-test v0.3.19 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking html_parser v0.5.0 [INFO] [stderr] Checking virtualdom v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `html_parser::Element` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use html_parser::Element; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::panic` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::panic; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | / macro_rules! log { [INFO] [stdout] 11 | | ( $( $t:tt )* ) => { [INFO] [stdout] 12 | | web_sys::console::log_1(&format!( $( $t )* ).into()); [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `html_parser::Element` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use html_parser::Element; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::panic` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::panic; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/lib.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | / macro_rules! log { [INFO] [stdout] 11 | | ( $( $t:tt )* ) => { [INFO] [stdout] 12 | | web_sys::console::log_1(&format!( $( $t )* ).into()); [INFO] [stdout] 13 | | } [INFO] [stdout] 14 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut i = 0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut i = 0; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | let mut parentchild = dm.children.clone(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `parent` [INFO] [stdout] --> src/lib.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | parent:Node1, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lib.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn new(root:Node1) ->Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let mut i = 0; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `html` should have an upper case name [INFO] [stdout] --> src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | static html:&str = "