[INFO] cloning repository https://github.com/duskmoon314/rust-embedded-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duskmoon314/rust-embedded-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduskmoon314%2Frust-embedded-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduskmoon314%2Frust-embedded-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87113faf5457160408cec64389d2071a5e9fe222
[INFO] checking duskmoon314/rust-embedded-demo against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduskmoon314%2Frust-embedded-demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duskmoon314/rust-embedded-demo on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duskmoon314/rust-embedded-demo
[INFO] finished tweaking git repo https://github.com/duskmoon314/rust-embedded-demo
[INFO] tweaked toml for git repo https://github.com/duskmoon314/rust-embedded-demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/duskmoon314/rust-embedded-demo 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" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv v0.8.0
[INFO] [stderr]   Downloaded d1-pac v0.0.27
[INFO] [stderr]   Downloaded r528-pac v0.0.3
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d76515cf6ee0c78af1bcc205d8a97f96d08e4bbc0409bc079711cfcd36ebfe3
[INFO] running `Command { std: "docker" "start" "-a" "0d76515cf6ee0c78af1bcc205d8a97f96d08e4bbc0409bc079711cfcd36ebfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d76515cf6ee0c78af1bcc205d8a97f96d08e4bbc0409bc079711cfcd36ebfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d76515cf6ee0c78af1bcc205d8a97f96d08e4bbc0409bc079711cfcd36ebfe3", kill_on_drop: false }`
[INFO] [stdout] 0d76515cf6ee0c78af1bcc205d8a97f96d08e4bbc0409bc079711cfcd36ebfe3
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec255fbe810669aa01789303133b42aa7feff742817c03987e327fde128e559
[INFO] running `Command { std: "docker" "start" "-a" "eec255fbe810669aa01789303133b42aa7feff742817c03987e327fde128e559", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling riscv v0.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]    Compiling d1-pac v0.0.27
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking r528-pac v0.0.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking r528 v0.1.0 (/opt/rustwide/workdir/pac/r528)
[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] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> pac/r528/src/bin/uart.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 22 | |     loop {}
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-b38d63f8b721b18d.rlib
[INFO] [stdout]    = note: second definition in the local crate (`uart`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r528` (bin "uart" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `r528` (bin "uart") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eec255fbe810669aa01789303133b42aa7feff742817c03987e327fde128e559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec255fbe810669aa01789303133b42aa7feff742817c03987e327fde128e559", kill_on_drop: false }`
[INFO] [stdout] eec255fbe810669aa01789303133b42aa7feff742817c03987e327fde128e559