[INFO] cloning repository https://github.com/zaki-yama-labs/rust-toy-browser-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaki-yama-labs/rust-toy-browser-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-toy-browser-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-toy-browser-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f68ffb835ae57965f858df90b4d0dc548f209468
[INFO] testing zaki-yama-labs/rust-toy-browser-engine against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama-labs%2Frust-toy-browser-engine" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zaki-yama-labs/rust-toy-browser-engine on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zaki-yama-labs/rust-toy-browser-engine
[INFO] finished tweaking git repo https://github.com/zaki-yama-labs/rust-toy-browser-engine
[INFO] tweaked toml for git repo https://github.com/zaki-yama-labs/rust-toy-browser-engine written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/zaki-yama-labs/rust-toy-browser-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee6bcb96c307d9fca9c4b499891b5b9589955e6e1695794807a3a4ec25e1c34
[INFO] running `Command { std: "docker" "start" "-a" "2ee6bcb96c307d9fca9c4b499891b5b9589955e6e1695794807a3a4ec25e1c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee6bcb96c307d9fca9c4b499891b5b9589955e6e1695794807a3a4ec25e1c34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee6bcb96c307d9fca9c4b499891b5b9589955e6e1695794807a3a4ec25e1c34", kill_on_drop: false }`
[INFO] [stdout] 2ee6bcb96c307d9fca9c4b499891b5b9589955e6e1695794807a3a4ec25e1c34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 826adb5e99e506c02aef52924dee1d5a5f3dd755891ca6e9467866bbb42392fb
[INFO] running `Command { std: "docker" "start" "-a" "826adb5e99e506c02aef52924dee1d5a5f3dd755891ca6e9467866bbb42392fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling weezl v0.1.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bytemuck v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.13
[INFO] [stderr]    Compiling rust-toy-browser-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.14s
[INFO] running `Command { std: "docker" "inspect" "826adb5e99e506c02aef52924dee1d5a5f3dd755891ca6e9467866bbb42392fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826adb5e99e506c02aef52924dee1d5a5f3dd755891ca6e9467866bbb42392fb", kill_on_drop: false }`
[INFO] [stdout] 826adb5e99e506c02aef52924dee1d5a5f3dd755891ca6e9467866bbb42392fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390c3ef06340635bfcca2727f76e423cd6a2eb17d9ce5d6609f1afdac00241e4
[INFO] running `Command { std: "docker" "start" "-a" "390c3ef06340635bfcca2727f76e423cd6a2eb17d9ce5d6609f1afdac00241e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-toy-browser-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `elem`
[INFO] [stdout]    --> src/style.rs:138:22
[INFO] [stdout]     |
[INFO] [stdout] 138 |     use crate::dom::{elem, text};
[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 test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "390c3ef06340635bfcca2727f76e423cd6a2eb17d9ce5d6609f1afdac00241e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390c3ef06340635bfcca2727f76e423cd6a2eb17d9ce5d6609f1afdac00241e4", kill_on_drop: false }`
[INFO] [stdout] 390c3ef06340635bfcca2727f76e423cd6a2eb17d9ce5d6609f1afdac00241e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2d1f2548a8bf8d13a4539563ce60956683e04581f3677853f903b1d85e968e6
[INFO] running `Command { std: "docker" "start" "-a" "e2d1f2548a8bf8d13a4539563ce60956683e04581f3677853f903b1d85e968e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `elem`
[INFO] [stderr]    --> src/style.rs:138:22
[INFO] [stderr]     |
[INFO] [stderr] 138 |     use crate::dom::{elem, text};
[INFO] [stderr]     |                      ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-toy-browser-engine` (bin "rust-toy-browser-engine" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_toy_browser_engine-5726ae43247b368b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test css::tests::test_parse_id ... ok
[INFO] [stdout] test css::tests::test_parse_multiple_declarations ... ok
[INFO] [stdout] test css::tests::test_parse_multiple_selectors ... ok
[INFO] [stdout] test css::tests::test_parse_multiple_rules ... ok
[INFO] [stdout] test css::tests::test_parse_class ... ok
[INFO] [stdout] test style::tests::test_style_tree_overwrite ... ok
[INFO] [stdout] test html::tests::test_dom ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e2d1f2548a8bf8d13a4539563ce60956683e04581f3677853f903b1d85e968e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d1f2548a8bf8d13a4539563ce60956683e04581f3677853f903b1d85e968e6", kill_on_drop: false }`
[INFO] [stdout] e2d1f2548a8bf8d13a4539563ce60956683e04581f3677853f903b1d85e968e6