[INFO] cloning repository https://github.com/dowdiness/toy-browser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dowdiness/toy-browser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Ftoy-browser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Ftoy-browser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 916626523574f7785c0b9bf7f01065ea39727e8c
[INFO] testing dowdiness/toy-browser against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdowdiness%2Ftoy-browser" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dowdiness/toy-browser on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dowdiness/toy-browser
[INFO] finished tweaking git repo https://github.com/dowdiness/toy-browser
[INFO] tweaked toml for git repo https://github.com/dowdiness/toy-browser written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/dowdiness/toy-browser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 530be6ccf96ec877ac707be41c1baf7004ddd5f92d36e113a220bcd4abc61d03
[INFO] running `Command { std: "docker" "start" "-a" "530be6ccf96ec877ac707be41c1baf7004ddd5f92d36e113a220bcd4abc61d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "530be6ccf96ec877ac707be41c1baf7004ddd5f92d36e113a220bcd4abc61d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530be6ccf96ec877ac707be41c1baf7004ddd5f92d36e113a220bcd4abc61d03", kill_on_drop: false }`
[INFO] [stdout] 530be6ccf96ec877ac707be41c1baf7004ddd5f92d36e113a220bcd4abc61d03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6e1db16bd66a0c76843dd57044517e5512cfa02d42ce4fc21644b6402950c5
[INFO] running `Command { std: "docker" "start" "-a" "bc6e1db16bd66a0c76843dd57044517e5512cfa02d42ce4fc21644b6402950c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/html.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `text`
[INFO] [stdout]   --> src/dom.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn text(data: String) -> Node {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `elem`
[INFO] [stdout]   --> src/dom.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn elem(name: String, attrs: AttrMap, children: Vec<Node>) -> Node {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/html.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Parser {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_char`
[INFO] [stdout]  --> src/html.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn next_char(&self) -> char {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starts_with`
[INFO] [stdout]   --> src/html.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |   fn starts_with(&self, s: &str) -> bool {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eof`
[INFO] [stdout]   --> src/html.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 |   fn eof(&self) -> bool {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_char`
[INFO] [stdout]   --> src/html.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn consume_char(&mut self) -> char {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_while`
[INFO] [stdout]   --> src/html.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_whitespace`
[INFO] [stdout]   --> src/html.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   fn consume_whitespace(&mut self) {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_tag_name`
[INFO] [stdout]   --> src/html.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |   fn parse_tag_name(&mut self) -> String {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_node`
[INFO] [stdout]   --> src/html.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn parse_node(&mut self) -> dom::Node {
[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 57.35s
[INFO] running `Command { std: "docker" "inspect" "bc6e1db16bd66a0c76843dd57044517e5512cfa02d42ce4fc21644b6402950c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6e1db16bd66a0c76843dd57044517e5512cfa02d42ce4fc21644b6402950c5", kill_on_drop: false }`
[INFO] [stdout] bc6e1db16bd66a0c76843dd57044517e5512cfa02d42ce4fc21644b6402950c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46d1cc5197a09e82ed4725a2b169b70867d90f8ad9dcb0c82595b801f6149b5a
[INFO] running `Command { std: "docker" "start" "-a" "46d1cc5197a09e82ed4725a2b169b70867d90f8ad9dcb0c82595b801f6149b5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling toy-browser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/html.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/html.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Parser {
[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: `next_char`
[INFO] [stdout]  --> src/html.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn next_char(&self) -> char {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `starts_with`
[INFO] [stdout]   --> src/html.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |   fn starts_with(&self, s: &str) -> bool {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eof`
[INFO] [stdout]   --> src/html.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 |   fn eof(&self) -> bool {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_char`
[INFO] [stdout]   --> src/html.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn consume_char(&mut self) -> char {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_while`
[INFO] [stdout]   --> src/html.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_whitespace`
[INFO] [stdout]   --> src/html.rs:34:6
[INFO] [stdout]    |
[INFO] [stdout] 34 |   fn consume_whitespace(&mut self) {}
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_tag_name`
[INFO] [stdout]   --> src/html.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 |   fn parse_tag_name(&mut self) -> String {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_node`
[INFO] [stdout]   --> src/html.rs:40:6
[INFO] [stdout]    |
[INFO] [stdout] 40 |   fn parse_node(&mut self) -> dom::Node {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "46d1cc5197a09e82ed4725a2b169b70867d90f8ad9dcb0c82595b801f6149b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46d1cc5197a09e82ed4725a2b169b70867d90f8ad9dcb0c82595b801f6149b5a", kill_on_drop: false }`
[INFO] [stdout] 46d1cc5197a09e82ed4725a2b169b70867d90f8ad9dcb0c82595b801f6149b5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee156e48573e9eec36f5d335881407be3d2ad0390a75248f4c20a673e906fd35
[INFO] running `Command { std: "docker" "start" "-a" "ee156e48573e9eec36f5d335881407be3d2ad0390a75248f4c20a673e906fd35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/html.rs:30:34
[INFO] [stdout] test dom::tests::test_elem ... ok
[INFO] [stderr]    |
[INFO] [stdout] test dom::tests::test_text ... ok
[INFO] [stderr] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stdout] 
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/html.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Parser {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_char`
[INFO] [stderr]  --> src/html.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 |   fn next_char(&self) -> char {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `starts_with`
[INFO] [stderr]   --> src/html.rs:13:6
[INFO] [stderr]    |
[INFO] [stderr] 13 |   fn starts_with(&self, s: &str) -> bool {
[INFO] [stderr]    |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eof`
[INFO] [stderr]   --> src/html.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 |   fn eof(&self) -> bool {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `consume_char`
[INFO] [stderr]   --> src/html.rs:21:6
[INFO] [stderr]    |
[INFO] [stderr] 21 |   fn consume_char(&mut self) -> char {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `consume_while`
[INFO] [stderr]   --> src/html.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 |   fn consume_while<F>(&mut self, test: F) -> String {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `consume_whitespace`
[INFO] [stderr]   --> src/html.rs:34:6
[INFO] [stderr]    |
[INFO] [stderr] 34 |   fn consume_whitespace(&mut self) {}
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_tag_name`
[INFO] [stderr]   --> src/html.rs:36:6
[INFO] [stderr]    |
[INFO] [stderr] 36 |   fn parse_tag_name(&mut self) -> String {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_node`
[INFO] [stderr]   --> src/html.rs:40:6
[INFO] [stderr]    |
[INFO] [stderr] 40 |   fn parse_node(&mut self) -> dom::Node {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `toy-browser` (bin "toy-browser" test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toy_browser-9e19f64453e74b7d)
[INFO] running `Command { std: "docker" "inspect" "ee156e48573e9eec36f5d335881407be3d2ad0390a75248f4c20a673e906fd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee156e48573e9eec36f5d335881407be3d2ad0390a75248f4c20a673e906fd35", kill_on_drop: false }`
[INFO] [stdout] ee156e48573e9eec36f5d335881407be3d2ad0390a75248f4c20a673e906fd35