[INFO] cloning repository https://github.com/tiny-browserbook/exercise-rendering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-rendering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c22a6784d189a68c887069ce6693aaaa409c871
[INFO] testing tiny-browserbook/exercise-rendering against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering" "/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/tiny-browserbook/exercise-rendering 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/tiny-browserbook/exercise-rendering
[INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-rendering
[INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-rendering written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tiny-browserbook/exercise-rendering 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]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map v0.6.4
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
[INFO] [stderr]   Downloaded array-macro v1.0.5
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded cursive_core v0.2.2
[INFO] [stderr]   Downloaded cursive v0.16.3
[INFO] [stderr]   Downloaded term_size v0.3.2
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 4f1a17486f5d43bae13b36a32cdb1fb37851c6ecc80395626bacb8039b94f52d
[INFO] running `Command { std: "docker" "start" "-a" "4f1a17486f5d43bae13b36a32cdb1fb37851c6ecc80395626bacb8039b94f52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1a17486f5d43bae13b36a32cdb1fb37851c6ecc80395626bacb8039b94f52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1a17486f5d43bae13b36a32cdb1fb37851c6ecc80395626bacb8039b94f52d", kill_on_drop: false }`
[INFO] [stdout] 4f1a17486f5d43bae13b36a32cdb1fb37851c6ecc80395626bacb8039b94f52d
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c4eb8e547830135961cb4741e853562f2b5a354980f745c997802184c9957578
[INFO] running `Command { std: "docker" "start" "-a" "c4eb8e547830135961cb4741e853562f2b5a354980f745c997802184c9957578", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling combine v4.6.0
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]    Compiling wasmer_enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.2.2
[INFO] [stderr]    Compiling cursive v0.16.3
[INFO] [stderr]    Compiling exercise-rendering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "c4eb8e547830135961cb4741e853562f2b5a354980f745c997802184c9957578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4eb8e547830135961cb4741e853562f2b5a354980f745c997802184c9957578", kill_on_drop: false }`
[INFO] [stdout] c4eb8e547830135961cb4741e853562f2b5a354980f745c997802184c9957578
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 0912bd8d286759f35830698b5cd9d2d6506babc7e706f04ffc50dc35505f8fa5
[INFO] running `Command { std: "docker" "start" "-a" "0912bd8d286759f35830698b5cd9d2d6506babc7e706f04ffc50dc35505f8fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling exercise-rendering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "0912bd8d286759f35830698b5cd9d2d6506babc7e706f04ffc50dc35505f8fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0912bd8d286759f35830698b5cd9d2d6506babc7e706f04ffc50dc35505f8fa5", kill_on_drop: false }`
[INFO] [stdout] 0912bd8d286759f35830698b5cd9d2d6506babc7e706f04ffc50dc35505f8fa5
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 38bc2015610ca7d73dd7c6353c50db572d33f541470a5c7f1af24635751ba65a
[INFO] running `Command { std: "docker" "start" "-a" "38bc2015610ca7d73dd7c6353c50db572d33f541470a5c7f1af24635751ba65a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 21 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exercise_rendering-a96cb6e19dd9f1c9)
[INFO] [stdout] test css::tests::test_attribute_selector_behaviour ... ok
[INFO] [stdout] test css::tests::test_selectors ... ok
[INFO] [stdout] test style::tests::test_to_styled_node_nested ... ok
[INFO] [stdout] test layout::tests::test_to_layout_box ... ok
[INFO] [stdout] test html::tests::test_parse_attributes ... ok
[INFO] [stdout] test html::tests::test_parse_close_tag ... ok
[INFO] [stdout] test html::tests::test_parse_element ... ok
[INFO] [stdout] test html::tests::test_parse_open_tag ... ok
[INFO] [stdout] test html::tests::test_parse_text ... ok
[INFO] [stdout] test style::tests::test_to_styled_node_nested_none ... ok
[INFO] [stdout] test style::tests::test_to_styled_node_nested_single ... ok
[INFO] [stdout] test style::tests::test_to_styled_node_single ... ok
[INFO] [stdout] test css::tests::test_declaration ... ok
[INFO] [stderr]    Doc-tests exercise-rendering
[INFO] [stdout] test css::tests::test_class_selector_behaviour ... ok
[INFO] [stdout] test css::tests::test_type_selector_behaviour ... ok
[INFO] [stdout] test css::tests::test_universal_selector_behaviour ... ok
[INFO] [stdout] test css::tests::test_rule ... ok
[INFO] [stdout] test css::tests::test_simple_selector ... ok
[INFO] [stdout] test html::tests::test_parse_attribute ... ok
[INFO] [stdout] test css::tests::test_declarations ... ok
[INFO] [stdout] test css::tests::test_stylesheet ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "38bc2015610ca7d73dd7c6353c50db572d33f541470a5c7f1af24635751ba65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bc2015610ca7d73dd7c6353c50db572d33f541470a5c7f1af24635751ba65a", kill_on_drop: false }`
[INFO] [stdout] 38bc2015610ca7d73dd7c6353c50db572d33f541470a5c7f1af24635751ba65a