[INFO] cloning repository https://github.com/xiekun1992/layout_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xiekun1992/layout_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiekun1992%2Flayout_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiekun1992%2Flayout_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fb9e6ba7399b208687ea0238c617485cbf2ad1a
[INFO] checking xiekun1992/layout_rust against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiekun1992%2Flayout_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xiekun1992/layout_rust
[INFO] finished tweaking git repo https://github.com/xiekun1992/layout_rust
[INFO] tweaked toml for git repo https://github.com/xiekun1992/layout_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xiekun1992/layout_rust on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xiekun1992/layout_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] checking xiekun1992/layout_rust against try#e117153a45c546e883c1f91d82611775fcaeffe0 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxiekun1992%2Flayout_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xiekun1992/layout_rust
[INFO] finished tweaking git repo https://github.com/xiekun1992/layout_rust
[INFO] tweaked toml for git repo https://github.com/xiekun1992/layout_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xiekun1992/layout_rust on toolchain e117153a45c546e883c1f91d82611775fcaeffe0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xiekun1992/layout_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scraper v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba2de1769d4c082f55f135978a4c62a57cd97d15e33c5d99a8f8ba6fe6dd657a
[INFO] running `Command { std: "docker" "start" "-a" "ba2de1769d4c082f55f135978a4c62a57cd97d15e33c5d99a8f8ba6fe6dd657a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba2de1769d4c082f55f135978a4c62a57cd97d15e33c5d99a8f8ba6fe6dd657a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2de1769d4c082f55f135978a4c62a57cd97d15e33c5d99a8f8ba6fe6dd657a", kill_on_drop: false }`
[INFO] [stdout] ba2de1769d4c082f55f135978a4c62a57cd97d15e33c5d99a8f8ba6fe6dd657a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+e117153a45c546e883c1f91d82611775fcaeffe0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77bd3f0822fa41b67bb829c620f55f470172a709971da1515ce5cf9cf183a85
[INFO] running `Command { std: "docker" "start" "-a" "e77bd3f0822fa41b67bb829c620f55f470172a709971da1515ce5cf9cf183a85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking dtoa v1.0.9
[INFO] [stderr]     Checking memchr v2.7.1
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[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
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[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking cssparser v0.31.2
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking scraper v0.18.1
[INFO] [stderr]     Checking layout-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`, and `rc::Rc`
[INFO] [stdout]  --> src/engine/parser.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     ops::Add,
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scraper::node::Element`
[INFO] [stdout]  --> src/engine/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use scraper::node::Element;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::Node`
[INFO] [stdout]   --> src/engine/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::engine::Node;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/engine/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/engine/parser.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `background_color`
[INFO] [stdout]   --> src/engine/parser.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_background_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/engine/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/engine/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(__id: u32, width: String, height: String, background_color: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LayoutEngine` is never constructed
[INFO] [stdout]   --> src/engine/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct LayoutEngine {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_root` are never used
[INFO] [stdout]   --> src/engine/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl LayoutEngine {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn set_root(&mut self, root: Node) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/engine/div.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ElementDiv {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     x: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     y: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ElementDiv` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `layout` is never used
[INFO] [stdout]   --> src/engine/parser.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Parser {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn layout() {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`, and `rc::Rc`
[INFO] [stdout]  --> src/engine/parser.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::{Borrow, BorrowMut},
[INFO] [stdout]   |              ^^^^^^  ^^^^^^^^^
[INFO] [stdout] 3 |     ops::Add,
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `scraper::node::Element`
[INFO] [stdout]  --> src/engine/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use scraper::node::Element;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::engine::Node`
[INFO] [stdout]   --> src/engine/parser.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::engine::Node;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/engine/parser.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/engine/parser.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `background_color`
[INFO] [stdout]   --> src/engine/parser.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let (width, height, background_color) = self.parse_attr(&attr.to_string());
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_background_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/engine/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Node {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/engine/mod.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Node {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 16 |     pub fn new(__id: u32, width: String, height: String, background_color: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LayoutEngine` is never constructed
[INFO] [stdout]   --> src/engine/mod.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct LayoutEngine {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `set_root` are never used
[INFO] [stdout]   --> src/engine/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl LayoutEngine {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn set_root(&mut self, root: Node) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> src/engine/div.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ElementDiv {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 5 |     x: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 6 |     y: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ElementDiv` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `layout` is never used
[INFO] [stdout]   --> src/engine/parser.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Parser {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn layout() {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.94s
[INFO] running `Command { std: "docker" "inspect" "e77bd3f0822fa41b67bb829c620f55f470172a709971da1515ce5cf9cf183a85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77bd3f0822fa41b67bb829c620f55f470172a709971da1515ce5cf9cf183a85", kill_on_drop: false }`
[INFO] [stdout] e77bd3f0822fa41b67bb829c620f55f470172a709971da1515ce5cf9cf183a85
