[INFO] fetching crate mik32-rt 0.1.0...
[INFO] checking mik32-rt-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate mik32-rt 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mik32-rt 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mik32-rt 0.1.0
[INFO] tweaked toml for crates.io crate mik32-rt 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mik32-rt 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mik32-rt 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-macros v0.1.0
[INFO] [stderr]   Downloaded riscv v0.12.1
[INFO] [stderr]   Downloaded mik32-rt-macros v0.5.0
[INFO] [stderr]   Downloaded mik32v2-pac v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14e2ac09a920bb5c3ce25b357e6fd3535409107a71f6013f42a20bfe5cb50f1c
[INFO] running `Command { std: "docker" "start" "-a" "14e2ac09a920bb5c3ce25b357e6fd3535409107a71f6013f42a20bfe5cb50f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e2ac09a920bb5c3ce25b357e6fd3535409107a71f6013f42a20bfe5cb50f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e2ac09a920bb5c3ce25b357e6fd3535409107a71f6013f42a20bfe5cb50f1c", kill_on_drop: false }`
[INFO] [stdout] 14e2ac09a920bb5c3ce25b357e6fd3535409107a71f6013f42a20bfe5cb50f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35dd94d5042cce3057642d076741b0fe671d6e5110307f104b51750a3411f78d
[INFO] running `Command { std: "docker" "start" "-a" "35dd94d5042cce3057642d076741b0fe671d6e5110307f104b51750a3411f78d", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking riscv-pac v0.2.0
[INFO] [stderr]    Compiling riscv v0.13.0
[INFO] [stderr]    Compiling riscv v0.12.1
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling mik32-rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mik32v2-pac v0.0.1
[INFO] [stderr]    Compiling riscv-macros v0.2.0
[INFO] [stderr]    Compiling riscv-macros v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling mik32-rt-macros v0.5.0
[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: unused variable: `info`
[INFO] [stdout]   --> examples/blink.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]    |          ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mik32-rt` (example "blink") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "35dd94d5042cce3057642d076741b0fe671d6e5110307f104b51750a3411f78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35dd94d5042cce3057642d076741b0fe671d6e5110307f104b51750a3411f78d", kill_on_drop: false }`
[INFO] [stdout] 35dd94d5042cce3057642d076741b0fe671d6e5110307f104b51750a3411f78d