[INFO] cloning repository https://github.com/kznr02/CH32-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kznr02/CH32-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkznr02%2FCH32-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkznr02%2FCH32-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ad9de839669f4c80061d34cbd17f9605e2fef34
[INFO] testing kznr02/CH32-rs against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkznr02%2FCH32-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/kznr02/CH32-rs
[INFO] finished tweaking git repo https://github.com/kznr02/CH32-rs
[INFO] tweaked toml for git repo https://github.com/kznr02/CH32-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kznr02/CH32-rs 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/kznr02/CH32-rs 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 crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded riscv-rt-macros v0.2.0
[INFO] [stderr]   Downloaded riscv-rt v0.11.0
[INFO] [stderr]   Downloaded good_memory_allocator v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f9ca564d43741bd55a6983fd1a6418d48363877b02059cfb4fc86c5449848f78
[INFO] running `Command { std: "docker" "start" "-a" "f9ca564d43741bd55a6983fd1a6418d48363877b02059cfb4fc86c5449848f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ca564d43741bd55a6983fd1a6418d48363877b02059cfb4fc86c5449848f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ca564d43741bd55a6983fd1a6418d48363877b02059cfb4fc86c5449848f78", kill_on_drop: false }`
[INFO] [stdout] f9ca564d43741bd55a6983fd1a6418d48363877b02059cfb4fc86c5449848f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4214eb341c2804f779488ed8e81952acd647f79c56c99655566fadcf741ee8f4
[INFO] running `Command { std: "docker" "start" "-a" "4214eb341c2804f779488ed8e81952acd647f79c56c99655566fadcf741ee8f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling riscv v0.10.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling ch32-app v0.1.0 (/opt/rustwide/workdir/ch32-app)
[INFO] [stderr]    Compiling r0 v1.0.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling good_memory_allocator v0.1.7
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling ch32-hal v0.1.0 (/opt/rustwide/workdir/ch32-hal)
[INFO] [stdout] warning: function `set_sys_clock` is never used
[INFO] [stdout]  --> ch32-hal/src/system.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn set_sys_clock() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv-rt-macros v0.2.0
[INFO] [stderr]    Compiling riscv-rt v0.11.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> ch32-app/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(lazy_cell)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lazy_cell` has been stable since 1.80.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> ch32-app/src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(lazy_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ch32-app` (bin "ch32-app") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4214eb341c2804f779488ed8e81952acd647f79c56c99655566fadcf741ee8f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4214eb341c2804f779488ed8e81952acd647f79c56c99655566fadcf741ee8f4", kill_on_drop: false }`
[INFO] [stdout] 4214eb341c2804f779488ed8e81952acd647f79c56c99655566fadcf741ee8f4
