[INFO] cloning repository https://github.com/yut-wq/saba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yut-wq/saba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyut-wq%2Fsaba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyut-wq%2Fsaba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ccb12f43a305e0a217527aa25989737b252dda1
[INFO] checking yut-wq/saba against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyut-wq%2Fsaba" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/yut-wq/saba
[INFO] finished tweaking git repo https://github.com/yut-wq/saba
[INFO] tweaked toml for git repo https://github.com/yut-wq/saba written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yut-wq/saba on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yut-wq/saba already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/hikalium/wasabi.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba28d14a317aa5535aa0a8693972f678784c27aaf4f201897b33c32262d55667
[INFO] running `Command { std: "docker" "start" "-a" "ba28d14a317aa5535aa0a8693972f678784c27aaf4f201897b33c32262d55667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba28d14a317aa5535aa0a8693972f678784c27aaf4f201897b33c32262d55667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba28d14a317aa5535aa0a8693972f678784c27aaf4f201897b33c32262d55667", kill_on_drop: false }`
[INFO] [stdout] ba28d14a317aa5535aa0a8693972f678784c27aaf4f201897b33c32262d55667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e076bbbf6a5419041c8089283602db4550b0ee14c71d1ab12a1097ab8a1718a8
[INFO] running `Command { std: "docker" "start" "-a" "e076bbbf6a5419041c8089283602db4550b0ee14c71d1ab12a1097ab8a1718a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking sabi v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#abf27c6f)
[INFO] [stderr]     Checking saba_core v0.1.0 (/opt/rustwide/workdir/saba_core)
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stdout] warning: unused imports: `Element` and `NodeKind`
[INFO] [stdout]  --> saba_core/src/renderer/html/parser.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dom::node::{Element, ElementKind, Node, NodeKind, Window},
[INFO] [stdout]   |                 ^^^^^^^                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::String`
[INFO] [stdout]  --> saba_core/src/renderer/html/parser.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::{rc::Rc, string::String, vec::Vec};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Element` and `NodeKind`
[INFO] [stdout]  --> saba_core/src/renderer/html/parser.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 |     dom::node::{Element, ElementKind, Node, NodeKind, Window},
[INFO] [stdout]   |                 ^^^^^^^                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `string::String`
[INFO] [stdout]  --> saba_core/src/renderer/html/parser.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use alloc::{rc::Rc, string::String, vec::Vec};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_closing`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   self_closing,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try ignoring the field: `self_closing: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag_name`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn insert_element(&mut self, tag_name: &str, attributes: Vec<Attribute>) {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tag_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:178:50
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn insert_element(&mut self, tag_name: &str, attributes: Vec<Attribute>) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:182:27
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn insert_char(&self, c: char) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn pop_until(&self, head: ElementKind) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InBody`, `AfterBody`, and `AfterAfterBody` are never constructed
[INFO] [stdout]   --> saba_core/src/renderer/html/parser.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum InsertionMode {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     InBody,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Text,
[INFO] [stdout] 20 |     AfterBody,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     AfterAfterBody,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InsertionMode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack_of_open_elements` is never read
[INFO] [stdout]   --> saba_core/src/renderer/html/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct HtmlParser {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     stack_of_open_elements: Vec<Rc<RefCell<Node>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HtmlParser` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `self_closing`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:128:29
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   self_closing,
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: try ignoring the field: `self_closing: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag_name`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn insert_element(&mut self, tag_name: &str, attributes: Vec<Attribute>) {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tag_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:178:50
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn insert_element(&mut self, tag_name: &str, attributes: Vec<Attribute>) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attributes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:182:27
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn insert_char(&self, c: char) {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]    --> saba_core/src/renderer/html/parser.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn pop_until(&self, head: ElementKind) {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InBody`, `AfterBody`, and `AfterAfterBody` are never constructed
[INFO] [stdout]   --> saba_core/src/renderer/html/parser.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum InsertionMode {
[INFO] [stdout]    |      ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     InBody,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     Text,
[INFO] [stdout] 20 |     AfterBody,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 21 |     AfterAfterBody,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InsertionMode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack_of_open_elements` is never read
[INFO] [stdout]   --> saba_core/src/renderer/html/parser.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct HtmlParser {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     stack_of_open_elements: Vec<Rc<RefCell<Node>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HtmlParser` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling font v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#abf27c6f)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/wasabi-04a0faff37db1492/abf27c6/font/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `font` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e076bbbf6a5419041c8089283602db4550b0ee14c71d1ab12a1097ab8a1718a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e076bbbf6a5419041c8089283602db4550b0ee14c71d1ab12a1097ab8a1718a8", kill_on_drop: false }`
[INFO] [stdout] e076bbbf6a5419041c8089283602db4550b0ee14c71d1ab12a1097ab8a1718a8