[INFO] cloning repository https://github.com/awayatakuma/saba-self-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awayatakuma/saba-self-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawayatakuma%2Fsaba-self-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawayatakuma%2Fsaba-self-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaf633c452764f121e79610e5d925af2c1d2b7c8
[INFO] checking awayatakuma/saba-self-study against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawayatakuma%2Fsaba-self-study" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/awayatakuma/saba-self-study
[INFO] finished tweaking git repo https://github.com/awayatakuma/saba-self-study
[INFO] tweaked toml for git repo https://github.com/awayatakuma/saba-self-study written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/awayatakuma/saba-self-study 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/awayatakuma/saba-self-study 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] warning: /workspace/builds/worker-4-tc1/source/Cargo.toml: unused manifest key: package.authers
[INFO] [stderr]     Updating git repository `https://github.com/hikalium/wasabi.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-graphics-core v0.4.0
[INFO] [stderr]   Downloaded embedded-graphics v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aca47aa86ee9c873b2549d17d7e27d5c548a031aa9472bc23bc166f3a9fca6ff
[INFO] running `Command { std: "docker" "start" "-a" "aca47aa86ee9c873b2549d17d7e27d5c548a031aa9472bc23bc166f3a9fca6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca47aa86ee9c873b2549d17d7e27d5c548a031aa9472bc23bc166f3a9fca6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca47aa86ee9c873b2549d17d7e27d5c548a031aa9472bc23bc166f3a9fca6ff", kill_on_drop: false }`
[INFO] [stdout] aca47aa86ee9c873b2549d17d7e27d5c548a031aa9472bc23bc166f3a9fca6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d6aba118b172f1208dba56c28ae28360dc2b88198d51fe5e611daebb067ac81
[INFO] running `Command { std: "docker" "start" "-a" "5d6aba118b172f1208dba56c28ae28360dc2b88198d51fe5e611daebb067ac81", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: package.authers
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling num-traits v0.2.19
[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#54bff895)
[INFO] [stderr]     Checking saba_core v0.1.0 (/opt/rustwide/workdir/saba_core)
[INFO] [stdout] warning: unused import: `core::result`
[INFO] [stdout]  --> saba_core/src/renderer/dom/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::result;
[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: `core::result`
[INFO] [stdout]  --> saba_core/src/renderer/dom/api.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::result;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             _ => todo!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout]  58 |               Node::ExpressionStatement(expr) => return self.eval(&expr, env.clone()),
[INFO] [stdout]     |               ------------------------------- matches some of the same values
[INFO] [stdout]  59 | /             Node::AdditiveExpression {
[INFO] [stdout]  60 | |                 operator,
[INFO] [stdout]  61 | |                 left,
[INFO] [stdout]  62 | |                 right,
[INFO] [stdout]  63 | |             } => {
[INFO] [stdout]     | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  81 | /             Node::AssgnmentExpression {
[INFO] [stdout]  82 | |                 operator,
[INFO] [stdout]  83 | |                 left,
[INFO] [stdout]  84 | |                 right,
[INFO] [stdout]  85 | |             } => {
[INFO] [stdout]     | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |               Node::VariableDeclaration { declarations } => {
[INFO] [stdout]     |               ------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 219 |               _ => todo!(),
[INFO] [stdout]     |               ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `property`
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:288:49
[INFO] [stdout]     |
[INFO] [stdout] 288 |             RuntimeValue::HtmlElement { object, property } => {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: try ignoring the field: `property: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |             _ => todo!(),
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout]  58 |               Node::ExpressionStatement(expr) => return self.eval(&expr, env.clone()),
[INFO] [stdout]     |               ------------------------------- matches some of the same values
[INFO] [stdout]  59 | /             Node::AdditiveExpression {
[INFO] [stdout]  60 | |                 operator,
[INFO] [stdout]  61 | |                 left,
[INFO] [stdout]  62 | |                 right,
[INFO] [stdout]  63 | |             } => {
[INFO] [stdout]     | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout]  81 | /             Node::AssgnmentExpression {
[INFO] [stdout]  82 | |                 operator,
[INFO] [stdout]  83 | |                 left,
[INFO] [stdout]  84 | |                 right,
[INFO] [stdout]  85 | |             } => {
[INFO] [stdout]     | |_____________- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |               Node::VariableDeclaration { declarations } => {
[INFO] [stdout]     |               ------------------------------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 219 |               _ => todo!(),
[INFO] [stdout]     |               ^ ...and 9 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `property`
[INFO] [stdout]    --> saba_core/src/renderer/js/runtime.rs:288:49
[INFO] [stdout]     |
[INFO] [stdout] 288 |             RuntimeValue::HtmlElement { object, property } => {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: try ignoring the field: `property: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]    Compiling font v0.1.0 (https://github.com/hikalium/wasabi.git?branch=for_saba#54bff895)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/wasabi-04a0faff37db1492/54bff89/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] running `Command { std: "docker" "inspect" "5d6aba118b172f1208dba56c28ae28360dc2b88198d51fe5e611daebb067ac81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6aba118b172f1208dba56c28ae28360dc2b88198d51fe5e611daebb067ac81", kill_on_drop: false }`
[INFO] [stdout] 5d6aba118b172f1208dba56c28ae28360dc2b88198d51fe5e611daebb067ac81