[INFO] fetching crate riscv-rt 0.18.0...
[INFO] testing riscv-rt-0.18.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate riscv-rt 0.18.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate riscv-rt 0.18.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate riscv-rt 0.18.0
[INFO] tweaked toml for crates.io crate riscv-rt 0.18.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate riscv-rt 0.18.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate riscv-rt 0.18.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] [stderr]   Downloaded riscv-types v0.1.0
[INFO] [stderr]   Downloaded riscv-macros v0.4.1
[INFO] [stderr]   Downloaded riscv-semihosting v0.2.1
[INFO] [stderr]   Downloaded riscv-target-parser v0.1.3
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded pastey v0.2.3
[INFO] [stderr]   Downloaded defmt v1.0.1
[INFO] [stderr]   Downloaded defmt-parser v1.0.0
[INFO] [stderr]   Downloaded riscv v0.16.1
[INFO] [stderr]   Downloaded defmt-macros v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c
[INFO] running `Command { std: "docker" "start" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling riscv-target-parser v0.1.3
[INFO] [stderr]    Compiling riscv-types v0.1.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling pastey v0.2.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling riscv-rt v0.18.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling riscv-macros v0.4.1
[INFO] [stderr]    Compiling riscv v0.16.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling riscv v0.16.1
[INFO] [stderr]    Compiling riscv-semihosting v0.2.1
[INFO] [stderr]    Compiling riscv-rt v0.18.0 (/opt/rustwide/workdir)
[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] [stderr] error: could not compile `riscv-rt` (example "multi_core") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `riscv-rt` (example "empty") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c", kill_on_drop: false }`
[INFO] [stdout] 944da694212b747269b9a8f5c4409d3f999343947a2787d41aeacadca4bbfc8c
