[INFO] cloning repository https://github.com/ishidex2/domlet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishidex2/domlet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishidex2%2Fdomlet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishidex2%2Fdomlet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40ccc35f56e87545c20b49223c64c4f91c07af3e
[INFO] checking ishidex2/domlet against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishidex2%2Fdomlet" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ishidex2/domlet on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ishidex2/domlet
[INFO] finished tweaking git repo https://github.com/ishidex2/domlet
[INFO] tweaked toml for git repo https://github.com/ishidex2/domlet written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ishidex2/domlet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (serde) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.serde.serde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "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] f8ee34ca6577fd9e6ab73b0786bb97a7b6a2ebe185a874ab9576d497022e4d9a
[INFO] running `Command { std: "docker" "start" "-a" "f8ee34ca6577fd9e6ab73b0786bb97a7b6a2ebe185a874ab9576d497022e4d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ee34ca6577fd9e6ab73b0786bb97a7b6a2ebe185a874ab9576d497022e4d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ee34ca6577fd9e6ab73b0786bb97a7b6a2ebe185a874ab9576d497022e4d9a", kill_on_drop: false }`
[INFO] [stdout] f8ee34ca6577fd9e6ab73b0786bb97a7b6a2ebe185a874ab9576d497022e4d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 587b9b616f85a1417e5119a886df8e8369506e28560c3e26812650e0d34cbc92
[INFO] running `Command { std: "docker" "start" "-a" "587b9b616f85a1417e5119a886df8e8369506e28560c3e26812650e0d34cbc92", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (serde) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.serde.serde
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking xogue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/dom_repr.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bucket_array::{self, BucketArray};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/dom_repr.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |             DomComponent::Element(e) => Some({ &e.children }),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/xml_ui.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, fs::File};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/xml_ui.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventReader`, `XmlEvent`
[INFO] [stdout]  --> src/xml_ui.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xml::reader::{EventReader, XmlEvent};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/dom_repr.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::bucket_array::{self, BucketArray};
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]    --> src/dom_repr.rs:154:46
[INFO] [stdout]     |
[INFO] [stdout] 154 |             DomComponent::Element(e) => Some({ &e.children }),
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/xml_ui.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{collections::HashMap, fs::File};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/xml_ui.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventReader`, `XmlEvent`
[INFO] [stdout]  --> src/xml_ui.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | use xml::reader::{EventReader, XmlEvent};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/css_matcher.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 _ => {
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `el`
[INFO] [stdout]   --> src/xml_ui.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DomComponent::Element(el) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_el`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/css_matcher.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 _ => {
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_ui.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut stylesheet = match crate::css_parser::CssParser::new(style_file.as_str()).parse() {
[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: unused variable: `el`
[INFO] [stdout]   --> src/xml_ui.rs:54:35
[INFO] [stdout]    |
[INFO] [stdout] 54 |             DomComponent::Element(el) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_el`
[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/xml_ui.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut system = match DomSystem::from_xml(&file) {
[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/xml_ui.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let mut stylesheet = match crate::css_parser::CssParser::new(style_file.as_str()).parse() {
[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/xml_ui.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut system = match DomSystem::from_xml(&file) {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dom_repr.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 e => panic!(format!("{:?}", e)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 297 -                 e => panic!(format!("{:?}", e)),
[INFO] [stdout] 297 +                 e => panic!("{:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dom_repr.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 e => panic!(format!("{:?}", e)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 301 -                 e => panic!(format!("{:?}", e)),
[INFO] [stdout] 301 +                 e => panic!("{:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dom_repr.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |                 e => panic!(format!("{:?}", e)),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 305 -                 e => panic!(format!("{:?}", e)),
[INFO] [stdout] 305 +                 e => panic!("{:?}", e),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.51s
[INFO] running `Command { std: "docker" "inspect" "587b9b616f85a1417e5119a886df8e8369506e28560c3e26812650e0d34cbc92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587b9b616f85a1417e5119a886df8e8369506e28560c3e26812650e0d34cbc92", kill_on_drop: false }`
[INFO] [stdout] 587b9b616f85a1417e5119a886df8e8369506e28560c3e26812650e0d34cbc92
