[INFO] cloning repository https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboh5%2Frobinson-toy-browser-engine-for-learning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboh5%2Frobinson-toy-browser-engine-for-learning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 843ca9613f1f5a1d5290a0e1af92cd46fb350d24
[INFO] testing boh5/robinson-toy-browser-engine-for-learning-rust/843ca9613f1f5a1d5290a0e1af92cd46fb350d24 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboh5%2Frobinson-toy-browser-engine-for-learning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust
[INFO] finished tweaking git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust
[INFO] tweaked toml for git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-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" "+f23b22458132fb20faeb8a915b1c252478696f25" "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] testing boh5/robinson-toy-browser-engine-for-learning-rust/843ca9613f1f5a1d5290a0e1af92cd46fb350d24 against try#f23b22458132fb20faeb8a915b1c252478696f25 for pr-131095
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboh5%2Frobinson-toy-browser-engine-for-learning-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust on toolchain f23b22458132fb20faeb8a915b1c252478696f25
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust
[INFO] finished tweaking git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust
[INFO] tweaked toml for git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/boh5/robinson-toy-browser-engine-for-learning-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" "+f23b22458132fb20faeb8a915b1c252478696f25" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34fc81d9adfccd2afa618adb9e4ef4ede0837edab8ca7bab30c6545d5b0cb5ad
[INFO] running `Command { std: "docker" "start" "-a" "34fc81d9adfccd2afa618adb9e4ef4ede0837edab8ca7bab30c6545d5b0cb5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34fc81d9adfccd2afa618adb9e4ef4ede0837edab8ca7bab30c6545d5b0cb5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fc81d9adfccd2afa618adb9e4ef4ede0837edab8ca7bab30c6545d5b0cb5ad", kill_on_drop: false }`
[INFO] [stdout] 34fc81d9adfccd2afa618adb9e4ef4ede0837edab8ca7bab30c6545d5b0cb5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6874a68b632a0b69f6867a8b1a4f7ac3a2da489a499cc6cad6718b6d6b4865cf
[INFO] running `Command { std: "docker" "start" "-a" "6874a68b632a0b69f6867a8b1a4f7ac3a2da489a499cc6cad6718b6d6b4865cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling robinson-toy-browser-engine-for-learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `new` and `append_child` are never used
[INFO] [stdout]   --> src/dom.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Node {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new(node_type: NodeType) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn append_child(&mut self, node: Node) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dom.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Text(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Text(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/dom.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ElementData {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 37 |     pub fn new(tag_name: &str, attributes: AttrMap) -> ElementData {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]   --> src/style.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct StyledNode<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     pub node: &'a Node,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "6874a68b632a0b69f6867a8b1a4f7ac3a2da489a499cc6cad6718b6d6b4865cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6874a68b632a0b69f6867a8b1a4f7ac3a2da489a499cc6cad6718b6d6b4865cf", kill_on_drop: false }`
[INFO] [stdout] 6874a68b632a0b69f6867a8b1a4f7ac3a2da489a499cc6cad6718b6d6b4865cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c07b91e6bfb5287e63d222167df3a22942688b4b028bcbbe514def3daa4ed50
[INFO] running `Command { std: "docker" "start" "-a" "5c07b91e6bfb5287e63d222167df3a22942688b4b028bcbbe514def3daa4ed50", kill_on_drop: false }`
[INFO] [stderr]    Compiling robinson-toy-browser-engine-for-learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/layout.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/dom.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Text(String),
[INFO] [stdout]    |     ---- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Text(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `node` is never read
[INFO] [stdout]   --> src/style.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct StyledNode<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     pub node: &'a Node,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "5c07b91e6bfb5287e63d222167df3a22942688b4b028bcbbe514def3daa4ed50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c07b91e6bfb5287e63d222167df3a22942688b4b028bcbbe514def3daa4ed50", kill_on_drop: false }`
[INFO] [stdout] 5c07b91e6bfb5287e63d222167df3a22942688b4b028bcbbe514def3daa4ed50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f23b22458132fb20faeb8a915b1c252478696f25" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a7a5ceaf7cd68158003451f459f369fca5322d76200122dbc370ed39629e323
[INFO] running `Command { std: "docker" "start" "-a" "7a7a5ceaf7cd68158003451f459f369fca5322d76200122dbc370ed39629e323", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/layout.rs:320:9
[INFO] [stderr]     |
[INFO] [stderr] 320 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/dom.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Text(String),
[INFO] [stderr]    |     ---- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Text(()),
[INFO] [stderr]    |          ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `node` is never read
[INFO] [stderr]   --> src/style.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct StyledNode<'a> {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 11 |     pub node: &'a Node,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `robinson-toy-browser-engine-for-learning-rust` (bin "robinson" test) generated 3 warnings (run `cargo fix --bin "robinson" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/robinson-2fd4bb96a4b736e8)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test css::tests::parse_empty_stylesheet ... ok
[INFO] [stdout] test css::tests::parse_multiple_rules ... ok
[INFO] [stdout] test css::tests::parse_rule_with_multiple_declarations ... ok
[INFO] [stdout] test css::tests::parse_rule_with_multiple_selectors ... ok
[INFO] [stdout] test html::tests::parse_single_element ... ok
[INFO] [stdout] test css::tests::parse_single_rule ... ok
[INFO] [stdout] test layout::tests::style_tree_with_conflicting_rules ... ok
[INFO] [stdout] test layout::tests::style_tree_with_empty_stylesheet ... ok
[INFO] [stdout] test layout::tests::style_tree_with_nested_elements ... ok
[INFO] [stdout] test layout::tests::style_tree_with_single_rule ... ok
[INFO] [stdout] test layout::tests::style_tree_with_text_node ... ok
[INFO] [stdout] test style::tests::style_tree_with_conflicting_rules ... ok
[INFO] [stdout] test style::tests::style_tree_with_empty_stylesheet ... ok
[INFO] [stdout] test style::tests::style_tree_with_nested_elements ... ok
[INFO] [stdout] test style::tests::style_tree_with_single_rule ... ok
[INFO] [stdout] test style::tests::style_tree_with_text_node ... ok
[INFO] [stdout] test css::tests::parse_invalid_syntax ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a7a5ceaf7cd68158003451f459f369fca5322d76200122dbc370ed39629e323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7a5ceaf7cd68158003451f459f369fca5322d76200122dbc370ed39629e323", kill_on_drop: false }`
[INFO] [stdout] 7a7a5ceaf7cd68158003451f459f369fca5322d76200122dbc370ed39629e323