[INFO] fetching crate cortex-m-systick-countdown 0.1.0...
[INFO] checking cortex-m-systick-countdown-0.1.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate cortex-m-systick-countdown 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cortex-m-systick-countdown 0.1.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-15/source/.cargo/config
[INFO] started tweaking crates.io crate cortex-m-systick-countdown 0.1.0
[INFO] finished tweaking crates.io crate cortex-m-systick-countdown 0.1.0
[INFO] tweaked toml for crates.io crate cortex-m-systick-countdown 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c30a8969c4f8e9e7321f68f4232b7d3a1f56b4f80adeb7b9c0bf9b2b177e793d
[INFO] running `Command { std: "docker" "start" "-a" "c30a8969c4f8e9e7321f68f4232b7d3a1f56b4f80adeb7b9c0bf9b2b177e793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c30a8969c4f8e9e7321f68f4232b7d3a1f56b4f80adeb7b9c0bf9b2b177e793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30a8969c4f8e9e7321f68f4232b7d3a1f56b4f80adeb7b9c0bf9b2b177e793d", kill_on_drop: false }`
[INFO] [stdout] c30a8969c4f8e9e7321f68f4232b7d3a1f56b4f80adeb7b9c0bf9b2b177e793d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee52e16e65c5bc827f5320598e1baf1a9256a43611ff6e13d8b8272fc9fb3da
[INFO] running `Command { std: "docker" "start" "-a" "aee52e16e65c5bc827f5320598e1baf1a9256a43611ff6e13d8b8272fc9fb3da", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-systick-countdown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cortex-m-rt v0.6.14
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[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] [stderr] error: could not compile `cortex-m-systick-countdown`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "aee52e16e65c5bc827f5320598e1baf1a9256a43611ff6e13d8b8272fc9fb3da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee52e16e65c5bc827f5320598e1baf1a9256a43611ff6e13d8b8272fc9fb3da", kill_on_drop: false }`
[INFO] [stdout] aee52e16e65c5bc827f5320598e1baf1a9256a43611ff6e13d8b8272fc9fb3da