[INFO] cloning repository https://github.com/vgarleanu/ghoul-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vgarleanu/ghoul-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgarleanu%2Fghoul-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgarleanu%2Fghoul-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6e1af0fd41da4058fc723cb404ce29123aa38d4
[INFO] testing vgarleanu/ghoul-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgarleanu%2Fghoul-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vgarleanu/ghoul-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vgarleanu/ghoul-rs
[INFO] finished tweaking git repo https://github.com/vgarleanu/ghoul-rs
[INFO] tweaked toml for git repo https://github.com/vgarleanu/ghoul-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/vgarleanu/ghoul-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4af2cbe21afd6d30c3a6fc629e157dec7deebef395ae047078c0891fcfdd16ea
[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" "4af2cbe21afd6d30c3a6fc629e157dec7deebef395ae047078c0891fcfdd16ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4af2cbe21afd6d30c3a6fc629e157dec7deebef395ae047078c0891fcfdd16ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af2cbe21afd6d30c3a6fc629e157dec7deebef395ae047078c0891fcfdd16ea", kill_on_drop: false }`
[INFO] [stdout] 4af2cbe21afd6d30c3a6fc629e157dec7deebef395ae047078c0891fcfdd16ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--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] 63b21ae289c99887bf44a7eac08e9378360420015f9c696bff8adc8cca9a49f1
[INFO] running `Command { std: "docker" "start" "-a" "63b21ae289c99887bf44a7eac08e9378360420015f9c696bff8adc8cca9a49f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ghoul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/dom.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     children: Vec<Self>,
[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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     node_type: NodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag`
[INFO] [stdout]   --> src/dom.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ghoul::dom::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ghoul::dom::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "63b21ae289c99887bf44a7eac08e9378360420015f9c696bff8adc8cca9a49f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b21ae289c99887bf44a7eac08e9378360420015f9c696bff8adc8cca9a49f1", kill_on_drop: false }`
[INFO] [stdout] 63b21ae289c99887bf44a7eac08e9378360420015f9c696bff8adc8cca9a49f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] 684d1647ffd35f7eec4556fc44b30525b22bbac75b4908bd5015f570d68f2753
[INFO] running `Command { std: "docker" "start" "-a" "684d1647ffd35f7eec4556fc44b30525b22bbac75b4908bd5015f570d68f2753", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `children`
[INFO] [stdout]   --> src/dom.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     children: Vec<Self>,
[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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     node_type: NodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag`
[INFO] [stdout]   --> src/dom.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ghoul v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ghoul::dom::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ghoul::dom::*;
[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:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     children: Vec<Self>,
[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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     node_type: NodeType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tag`
[INFO] [stdout]   --> src/dom.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     tag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "684d1647ffd35f7eec4556fc44b30525b22bbac75b4908bd5015f570d68f2753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684d1647ffd35f7eec4556fc44b30525b22bbac75b4908bd5015f570d68f2753", kill_on_drop: false }`
[INFO] [stdout] 684d1647ffd35f7eec4556fc44b30525b22bbac75b4908bd5015f570d68f2753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1e401ddfcbf5202000cc7f81f6b6d96f3e5737511b399a6a1c44e8ecd69f253
[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" "d1e401ddfcbf5202000cc7f81f6b6d96f3e5737511b399a6a1c44e8ecd69f253", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `children`
[INFO] [stderr]   --> src/dom.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     children: Vec<Self>,
[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:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     node_type: NodeType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tag`
[INFO] [stderr]   --> src/dom.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     tag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ghoul` (lib) generated 3 warnings
[INFO] [stderr] warning: unused import: `ghoul::dom::*`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ghoul::dom::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ghoul` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: `ghoul` (bin "ghoul" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ghoul-8d2ce69fb211f2b7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ghoul-c05dfd1bc570e8d2)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ghoul
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1e401ddfcbf5202000cc7f81f6b6d96f3e5737511b399a6a1c44e8ecd69f253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e401ddfcbf5202000cc7f81f6b6d96f3e5737511b399a6a1c44e8ecd69f253", kill_on_drop: false }`
[INFO] [stdout] d1e401ddfcbf5202000cc7f81f6b6d96f3e5737511b399a6a1c44e8ecd69f253