[INFO] cloning repository https://github.com/yyjhao/rust-react
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyjhao/rust-react" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cd9787a226fabb5d73031cfc1bd3d56fa94cb98
[INFO] checking yyjhao/rust-react against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyjhao%2Frust-react" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yyjhao/rust-react on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yyjhao/rust-react
[INFO] finished tweaking git repo https://github.com/yyjhao/rust-react
[INFO] tweaked toml for git repo https://github.com/yyjhao/rust-react written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yyjhao/rust-react already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5fc51ae45ce12968e642e6cdd0b6cb625f48cbc18fe063f2d779ac9b0b26ab5e
[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" "5fc51ae45ce12968e642e6cdd0b6cb625f48cbc18fe063f2d779ac9b0b26ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fc51ae45ce12968e642e6cdd0b6cb625f48cbc18fe063f2d779ac9b0b26ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc51ae45ce12968e642e6cdd0b6cb625f48cbc18fe063f2d779ac9b0b26ab5e", kill_on_drop: false }`
[INFO] [stdout] 5fc51ae45ce12968e642e6cdd0b6cb625f48cbc18fe063f2d779ac9b0b26ab5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 319bffa63f847c6b363055e2f4d271b9b8e9b05cdada16265fdd69f8a2aa2ee6
[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" "319bffa63f847c6b363055e2f4d271b9b8e9b05cdada16265fdd69f8a2aa2ee6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking rust-react v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::prelude::*`
[INFO] [stdout]  --> src/renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/components/app.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let s = style.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/components/app.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let s = style.clone();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basis`
[INFO] [stdout]    --> src/v_node.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     basis: Basis,
[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: `update`
[INFO] [stdout]    --> src/v_node.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn update(&self, new_effect: F, new_basis: Basis) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MemoStore`
[INFO] [stdout]    --> src/v_node.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct MemoStore<F: Fn(&Input) -> Output, Input: 'static + Eq, Output> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect`
[INFO] [stdout]    --> src/v_node.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn use_effect<Basis: Eq + 'static, C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + 'static>(&mut self, effect: F, basis: Basi...
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_memo`
[INFO] [stdout]    --> src/v_node.rs:416:12
[INFO] [stdout]     |
[INFO] [stdout] 416 |     pub fn use_memo<F: Fn(&Input) -> Output + 'static, Input: Eq + 'static, Output: 'static>(&mut self, factory: F, input: Input) -> &Out...
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect_always`
[INFO] [stdout]    --> src/v_node.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn use_effect_always<C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + Clone + 'static>(&mut self, effect: F) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basis`
[INFO] [stdout]    --> src/v_node.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     basis: Basis,
[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: `update`
[INFO] [stdout]    --> src/v_node.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn update(&self, new_effect: F, new_basis: Basis) -> Self {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MemoStore`
[INFO] [stdout]    --> src/v_node.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct MemoStore<F: Fn(&Input) -> Output, Input: 'static + Eq, Output> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect`
[INFO] [stdout]    --> src/v_node.rs:399:12
[INFO] [stdout]     |
[INFO] [stdout] 399 |     pub fn use_effect<Basis: Eq + 'static, C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + 'static>(&mut self, effect: F, basis: Basi...
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_memo`
[INFO] [stdout]    --> src/v_node.rs:416:12
[INFO] [stdout]     |
[INFO] [stdout] 416 |     pub fn use_memo<F: Fn(&Input) -> Output + 'static, Input: Eq + 'static, Output: 'static>(&mut self, factory: F, input: Input) -> &Out...
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `use_effect_always`
[INFO] [stdout]    --> src/v_node.rs:437:12
[INFO] [stdout]     |
[INFO] [stdout] 437 |     pub fn use_effect_always<C: FnOnce() -> () + 'static, F: Fn() -> Option<C> + Clone + 'static>(&mut self, effect: F) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.02s
[INFO] running `Command { std: "docker" "inspect" "319bffa63f847c6b363055e2f4d271b9b8e9b05cdada16265fdd69f8a2aa2ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "319bffa63f847c6b363055e2f4d271b9b8e9b05cdada16265fdd69f8a2aa2ee6", kill_on_drop: false }`
[INFO] [stdout] 319bffa63f847c6b363055e2f4d271b9b8e9b05cdada16265fdd69f8a2aa2ee6