[INFO] fetching crate itsybitsy_m4 0.5.0...
[INFO] checking itsybitsy_m4-0.5.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate itsybitsy_m4 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate itsybitsy_m4 0.5.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate itsybitsy_m4 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate itsybitsy_m4 0.5.0
[INFO] tweaked toml for crates.io crate itsybitsy_m4 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate itsybitsy_m4 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitbang-hal v0.3.2
[INFO] [stderr]   Downloaded apa102-spi v0.3.2
[INFO] [stderr]   Downloaded atsamd51g v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1130e00734cc44adf1b909638629137c251f61b19a1aa1502626c364d7a48755
[INFO] running `Command { std: "docker" "start" "-a" "1130e00734cc44adf1b909638629137c251f61b19a1aa1502626c364d7a48755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1130e00734cc44adf1b909638629137c251f61b19a1aa1502626c364d7a48755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1130e00734cc44adf1b909638629137c251f61b19a1aa1502626c364d7a48755", kill_on_drop: false }`
[INFO] [stdout] 1130e00734cc44adf1b909638629137c251f61b19a1aa1502626c364d7a48755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92928e7eda438b8b5cf96bf8256ebd2211ab4d403bc8045db5d7a3800a85d9e2
[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" "92928e7eda438b8b5cf96bf8256ebd2211ab4d403bc8045db5d7a3800a85d9e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling atsamd51g v0.9.0
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]    Compiling itsybitsy_m4 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking jlink_rtt v0.1.0
[INFO] [stderr]     Checking rtic-core v0.3.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.5
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking apa102-spi v0.3.2
[INFO] [stderr]     Checking bitbang-hal v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking panic_rtt v0.2.0
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.2
[INFO] [stderr]     Checking atsamd-hal v0.12.0
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itsybitsy_m4`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "92928e7eda438b8b5cf96bf8256ebd2211ab4d403bc8045db5d7a3800a85d9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92928e7eda438b8b5cf96bf8256ebd2211ab4d403bc8045db5d7a3800a85d9e2", kill_on_drop: false }`
[INFO] [stdout] 92928e7eda438b8b5cf96bf8256ebd2211ab4d403bc8045db5d7a3800a85d9e2