[INFO] cloning repository https://github.com/chutchinson/k210-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chutchinson/k210-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchutchinson%2Fk210-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchutchinson%2Fk210-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3b06c3b5b57043ea9a441e333caa5e3c748b28
[INFO] checking chutchinson/k210-examples against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchutchinson%2Fk210-examples" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chutchinson/k210-examples on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/chutchinson/k210-examples
[INFO] finished tweaking git repo https://github.com/chutchinson/k210-examples
[INFO] tweaked toml for git repo https://github.com/chutchinson/k210-examples written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chutchinson/k210-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/riscv-rust/k210-hal`
[INFO] [stderr]     Updating git repository `https://github.com/riscv-rust/k210-pac`
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded/riscv`
[INFO] [stderr]     Updating git repository `https://github.com/rust-embedded/riscv-rt`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit_field v0.10.0
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded riscv v0.5.4
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded k210-pac v0.2.0
[INFO] [stderr]   Downloaded riscv v0.6.0
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ac88bc4f3fa32d8f1890157cb4c0a1dfa4afbf185ffb8b14b8898d764af508
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "58ac88bc4f3fa32d8f1890157cb4c0a1dfa4afbf185ffb8b14b8898d764af508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ac88bc4f3fa32d8f1890157cb4c0a1dfa4afbf185ffb8b14b8898d764af508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ac88bc4f3fa32d8f1890157cb4c0a1dfa4afbf185ffb8b14b8898d764af508", kill_on_drop: false }`
[INFO] [stdout] 58ac88bc4f3fa32d8f1890157cb4c0a1dfa4afbf185ffb8b14b8898d764af508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906a3ff9d85a3802deecf0b560f65ab0405f6d7b7e10a9404b4e6779d03bc3f7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "906a3ff9d85a3802deecf0b560f65ab0405f6d7b7e10a9404b4e6779d03bc3f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling k210-pac v0.2.0
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]    Compiling k210-pac v0.2.0 (https://github.com/riscv-rust/k210-pac#53a317fc)
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]    Compiling k210-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking riscv v0.5.4
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling riscv-target v0.1.2
[INFO] [stderr]    Compiling riscv v0.6.0
[INFO] [stderr]    Compiling riscv-rt v0.8.0 (https://github.com/rust-embedded/riscv-rt#47ece5f5)
[INFO] [stderr]    Compiling riscv v0.6.0 (https://github.com/rust-embedded/riscv#39ff09ee)
[INFO] [stderr]     Checking k210-hal v0.2.0 (https://github.com/riscv-rust/k210-hal#5471dbb8)
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6 (https://github.com/rust-embedded/riscv-rt#47ece5f5)
[INFO] [stdout] warning: unused imports: `fpioa`, `pac`, `prelude::*`
[INFO] [stdout]  --> examples/blink.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use k210_hal::{prelude::*, fpioa, pac};
[INFO] [stdout]   |                ^^^^^^^^^^  ^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Gpio`
[INFO] [stdout]  --> examples/blink.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 | use k210_hal::gpio::{Gpio};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `k210-example`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "906a3ff9d85a3802deecf0b560f65ab0405f6d7b7e10a9404b4e6779d03bc3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906a3ff9d85a3802deecf0b560f65ab0405f6d7b7e10a9404b4e6779d03bc3f7", kill_on_drop: false }`
[INFO] [stdout] 906a3ff9d85a3802deecf0b560f65ab0405f6d7b7e10a9404b4e6779d03bc3f7