[INFO] cloning repository https://github.com/pentla/arts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pentla/arts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cd4fd8e2e8ee322c7abf41e85f3ac35a3032641
[INFO] checking pentla/arts against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpentla%2Farts" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pentla/arts on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pentla/arts
[INFO] finished tweaking git repo https://github.com/pentla/arts
[INFO] tweaked toml for git repo https://github.com/pentla/arts written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/pentla/arts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 78cc52e69c01e6ef083d985e86febc9171dc697fa931e62e74313ccd4ba72c73
[INFO] running `Command { std: "docker" "start" "-a" "78cc52e69c01e6ef083d985e86febc9171dc697fa931e62e74313ccd4ba72c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78cc52e69c01e6ef083d985e86febc9171dc697fa931e62e74313ccd4ba72c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cc52e69c01e6ef083d985e86febc9171dc697fa931e62e74313ccd4ba72c73", kill_on_drop: false }`
[INFO] [stdout] 78cc52e69c01e6ef083d985e86febc9171dc697fa931e62e74313ccd4ba72c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8341b261a2d8e75ff7302532b68054b84e5989e72fe87f0c024b27d4bc39fbbe
[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" "8341b261a2d8e75ff7302532b68054b84e5989e72fe87f0c024b27d4bc39fbbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling gio v0.9.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling gdk v0.13.2
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling gtk v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]    Compiling glib-sys v0.10.1
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.1
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking glib v0.10.3
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking arts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         NodeData::Text {ref contents} => {
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/render/render.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_id`
[INFO] [stdout]   --> src/render/render.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: try ignoring the field: `public_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system_id`
[INFO] [stdout]   --> src/render/render.rs:16:54
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^ help: try ignoring the field: `system_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |         NodeData::Comment { ref contents } => {},
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/render/render.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |         NodeData::ProcessingInstruction { ref target, ref contents} => {},
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 |         NodeData::ProcessingInstruction { ref target, ref contents} => {},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/render/render.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/render/render.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                       ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `template_contents`
[INFO] [stdout]   --> src/render/render.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `template_contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mathml_annotation_xml_integration_point`
[INFO] [stdout]   --> src/render/render.rs:19:73
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `mathml_annotation_xml_integration_point: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/window.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         button.connect_clicked(|button| {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 |         NodeData::Text {ref contents} => {
[INFO] [stdout]    |                         ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/render/render.rs:16:29
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_id`
[INFO] [stdout]   --> src/render/render.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^ help: try ignoring the field: `public_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `system_id`
[INFO] [stdout]   --> src/render/render.rs:16:54
[INFO] [stdout]    |
[INFO] [stdout] 16 |         NodeData::Doctype { ref name, ref public_id, ref system_id } => {},
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^ help: try ignoring the field: `system_id: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |         NodeData::Comment { ref contents } => {},
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]   --> src/render/render.rs:18:43
[INFO] [stdout]    |
[INFO] [stdout] 18 |         NodeData::ProcessingInstruction { ref target, ref contents} => {},
[INFO] [stdout]    |                                           ^^^^^^^^^^ help: try ignoring the field: `target: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> src/render/render.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 |         NodeData::ProcessingInstruction { ref target, ref contents} => {},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/render/render.rs:19:29
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                             ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/render/render.rs:19:39
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                       ^^^^^^^^^ help: try ignoring the field: `attrs: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `template_contents`
[INFO] [stdout]   --> src/render/render.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `template_contents: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mathml_annotation_xml_integration_point`
[INFO] [stdout]   --> src/render/render.rs:19:73
[INFO] [stdout]    |
[INFO] [stdout] 19 |         NodeData::Element { ref name, ref attrs, ref template_contents, ref mathml_annotation_xml_integration_point} => {}
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `mathml_annotation_xml_integration_point: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `button`
[INFO] [stdout]   --> src/window.rs:17:33
[INFO] [stdout]    |
[INFO] [stdout] 17 |         button.connect_clicked(|button| {
[INFO] [stdout]    |                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_button`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arts::parse::html`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use arts::parse::html;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arts::render::render::walk`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arts::render::render::walk;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arts::parse::html`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use arts::parse::html;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arts::render::render::walk`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use arts::render::render::walk;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "8341b261a2d8e75ff7302532b68054b84e5989e72fe87f0c024b27d4bc39fbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8341b261a2d8e75ff7302532b68054b84e5989e72fe87f0c024b27d4bc39fbbe", kill_on_drop: false }`
[INFO] [stdout] 8341b261a2d8e75ff7302532b68054b84e5989e72fe87f0c024b27d4bc39fbbe