[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#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnav%2Frust-virtualdom" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davnav/rust-virtualdom on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-5/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2e8f5bd1a5cf531b68139e0aa4f07fd770fc8b3dc3efdef22db0b7f5e75e61cb [INFO] running `Command { std: "docker" "start" "-a" "2e8f5bd1a5cf531b68139e0aa4f07fd770fc8b3dc3efdef22db0b7f5e75e61cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e8f5bd1a5cf531b68139e0aa4f07fd770fc8b3dc3efdef22db0b7f5e75e61cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8f5bd1a5cf531b68139e0aa4f07fd770fc8b3dc3efdef22db0b7f5e75e61cb", kill_on_drop: false }` [INFO] [stdout] 2e8f5bd1a5cf531b68139e0aa4f07fd770fc8b3dc3efdef22db0b7f5e75e61cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 030ede9c99f24d8b2fc3728cec8b311d86296040a077bd08260825e3fefc79bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "030ede9c99f24d8b2fc3728cec8b311d86296040a077bd08260825e3fefc79bd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.69 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bumpalo v3.4.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling wasm-bindgen v0.2.69 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pest_meta v2.1.3 [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 structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [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 structopt v0.3.21 [INFO] [stderr] Checking js-sys v0.3.46 [INFO] [stderr] Checking console_error_panic_hook v0.1.6 [INFO] [stderr] Checking web-sys v0.3.46 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.19 [INFO] [stderr] Checking wasm-bindgen-test v0.3.19 [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:60:13 [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: unused variable: `i` [INFO] [stdout] --> src/lib.rs:60:13 [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: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: 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: 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: 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: static variable `html` should have an upper case name [INFO] [stdout] --> src/lib.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | static html:&str = "