[INFO] cloning repository https://github.com/tugkankibar/fluffy-adventure
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tugkankibar/fluffy-adventure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugkankibar%2Ffluffy-adventure", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugkankibar%2Ffluffy-adventure'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3063e481040f25d791e72550f0f0e390df71ca12
[INFO] testing tugkankibar/fluffy-adventure against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftugkankibar%2Ffluffy-adventure" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tugkankibar/fluffy-adventure on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tugkankibar/fluffy-adventure
[INFO] finished tweaking git repo https://github.com/tugkankibar/fluffy-adventure
[INFO] tweaked toml for git repo https://github.com/tugkankibar/fluffy-adventure written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tugkankibar/fluffy-adventure already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0bc892f46760ccb418a862daba7677e1b8f85135f6df914e4a9a193372fcc2b
[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" "f0bc892f46760ccb418a862daba7677e1b8f85135f6df914e4a9a193372fcc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0bc892f46760ccb418a862daba7677e1b8f85135f6df914e4a9a193372fcc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bc892f46760ccb418a862daba7677e1b8f85135f6df914e4a9a193372fcc2b", kill_on_drop: false }`
[INFO] [stdout] f0bc892f46760ccb418a862daba7677e1b8f85135f6df914e4a9a193372fcc2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f87d08d56eaeb40926505926021bd1772f9b2ff74197b757fb60f893314706e2
[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" "f87d08d56eaeb40926505926021bd1772f9b2ff74197b757fb60f893314706e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling LayoutEngine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/dom.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap,HashSet};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]  --> src/dom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     children: Vec<Node>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]  --> src/dom.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     node_type: NodeType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_name`
[INFO] [stdout]   --> src/dom.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     tag_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/dom.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     attributes: AttributesMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LayoutEngine` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `layout_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HTML` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let HTML: String = String::from("
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "f87d08d56eaeb40926505926021bd1772f9b2ff74197b757fb60f893314706e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87d08d56eaeb40926505926021bd1772f9b2ff74197b757fb60f893314706e2", kill_on_drop: false }`
[INFO] [stdout] f87d08d56eaeb40926505926021bd1772f9b2ff74197b757fb60f893314706e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 86ffae3160f62ef796bb6fb49114fd51e8a3319ec4adeb1704f51bf5f22f9304
[INFO] running `Command { std: "docker" "start" "-a" "86ffae3160f62ef796bb6fb49114fd51e8a3319ec4adeb1704f51bf5f22f9304", kill_on_drop: false }`
[INFO] [stderr]    Compiling LayoutEngine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/dom.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap,HashSet};
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]  --> src/dom.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     children: Vec<Node>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_type`
[INFO] [stdout]  --> src/dom.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     node_type: NodeType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag_name`
[INFO] [stdout]   --> src/dom.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     tag_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attributes`
[INFO] [stdout]   --> src/dom.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     attributes: AttributesMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `LayoutEngine` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `layout_engine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HTML` should have a snake case name
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let HTML: String = String::from("
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `html`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "86ffae3160f62ef796bb6fb49114fd51e8a3319ec4adeb1704f51bf5f22f9304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86ffae3160f62ef796bb6fb49114fd51e8a3319ec4adeb1704f51bf5f22f9304", kill_on_drop: false }`
[INFO] [stdout] 86ffae3160f62ef796bb6fb49114fd51e8a3319ec4adeb1704f51bf5f22f9304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] ffa0b0061839e5eec64c3586ed653dc669d0f158c7809cdaf07f904ef45de879
[INFO] running `Command { std: "docker" "start" "-a" "ffa0b0061839e5eec64c3586ed653dc669d0f158c7809cdaf07f904ef45de879", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/dom.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap,HashSet};
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `children`
[INFO] [stderr]  --> src/dom.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     children: Vec<Node>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `node_type`
[INFO] [stderr]  --> src/dom.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     node_type: NodeType,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tag_name`
[INFO] [stderr]   --> src/dom.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     tag_name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `attributes`
[INFO] [stderr]   --> src/dom.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     attributes: AttributesMap,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `LayoutEngine` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `layout_engine`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HTML` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let HTML: String = String::from("
[INFO] [stderr]   |         ^^^^ help: convert the identifier to snake case: `html`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/LayoutEngine-2a37bbde0f67e972
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ffa0b0061839e5eec64c3586ed653dc669d0f158c7809cdaf07f904ef45de879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa0b0061839e5eec64c3586ed653dc669d0f158c7809cdaf07f904ef45de879", kill_on_drop: false }`
[INFO] [stdout] ffa0b0061839e5eec64c3586ed653dc669d0f158c7809cdaf07f904ef45de879