[INFO] fetching crate riscv-rt 0.8.0...
[INFO] checking riscv-rt-0.8.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate riscv-rt 0.8.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate riscv-rt 0.8.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate riscv-rt 0.8.0
[INFO] finished tweaking crates.io crate riscv-rt 0.8.0
[INFO] tweaked toml for crates.io crate riscv-rt 0.8.0 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate riscv-rt 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded riscv-rt-macros v0.1.6
[INFO] [stderr]   Downloaded riscv v0.6.0
[INFO] [stderr]   Downloaded bit_field v0.10.0
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded rand v0.5.6
[INFO] [stderr]   Downloaded r0 v1.0.0
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 238c8ba267d2af03ddc414819a9e029583e1b4254a87f254ede5d2fcaa026e3e
[INFO] running `Command { std: "docker" "start" "-a" "238c8ba267d2af03ddc414819a9e029583e1b4254a87f254ede5d2fcaa026e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "238c8ba267d2af03ddc414819a9e029583e1b4254a87f254ede5d2fcaa026e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238c8ba267d2af03ddc414819a9e029583e1b4254a87f254ede5d2fcaa026e3e", kill_on_drop: false }`
[INFO] [stdout] 238c8ba267d2af03ddc414819a9e029583e1b4254a87f254ede5d2fcaa026e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741e982e5d70fc2dd99a61cb4c96e668032041af398c1a8fff80ff57700a35de
[INFO] running `Command { std: "docker" "start" "-a" "741e982e5d70fc2dd99a61cb4c96e668032041af398c1a8fff80ff57700a35de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bit_field v0.10.0
[INFO] [stderr]     Checking r0 v1.0.0
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[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 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling riscv-rt-macros v0.1.6
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-rt` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "741e982e5d70fc2dd99a61cb4c96e668032041af398c1a8fff80ff57700a35de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741e982e5d70fc2dd99a61cb4c96e668032041af398c1a8fff80ff57700a35de", kill_on_drop: false }`
[INFO] [stdout] 741e982e5d70fc2dd99a61cb4c96e668032041af398c1a8fff80ff57700a35de