[INFO] fetching crate xiao_m0 0.7.0...
[INFO] testing xiao_m0-0.7.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate xiao_m0 0.7.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate xiao_m0 0.7.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking crates.io crate xiao_m0 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate xiao_m0 0.7.0
[INFO] tweaked toml for crates.io crate xiao_m0 0.7.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate xiao_m0 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cb5aeb12feeea752a9a026847842d9847818272f1bd3b808ea8de6fd7e1727e
[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" "8cb5aeb12feeea752a9a026847842d9847818272f1bd3b808ea8de6fd7e1727e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cb5aeb12feeea752a9a026847842d9847818272f1bd3b808ea8de6fd7e1727e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cb5aeb12feeea752a9a026847842d9847818272f1bd3b808ea8de6fd7e1727e", kill_on_drop: false }`
[INFO] [stdout] 8cb5aeb12feeea752a9a026847842d9847818272f1bd3b808ea8de6fd7e1727e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac1d355680145453eec7e6e7e8fbbb76896ad136707227b8f50e6cc9aff3a62
[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" "fac1d355680145453eec7e6e7e8fbbb76896ad136707227b8f50e6cc9aff3a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling atsamd21g18a v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling aligned v0.3.3
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling cortex-m-rt v0.6.12
[INFO] [stderr]    Compiling atsamd-hal v0.9.0
[INFO] [stderr]    Compiling xiao_m0 v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.53s
[INFO] running `Command { std: "docker" "inspect" "fac1d355680145453eec7e6e7e8fbbb76896ad136707227b8f50e6cc9aff3a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac1d355680145453eec7e6e7e8fbbb76896ad136707227b8f50e6cc9aff3a62", kill_on_drop: false }`
[INFO] [stdout] fac1d355680145453eec7e6e7e8fbbb76896ad136707227b8f50e6cc9aff3a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e919101d25bbce5b89245205a67b48fc0c60ee6369f2131fe9c06831332aa6e
[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" "5e919101d25bbce5b89245205a67b48fc0c60ee6369f2131fe9c06831332aa6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling xiao_m0 v0.7.0 (/opt/rustwide/workdir)
[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 `xiao_m0`.
[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" "5e919101d25bbce5b89245205a67b48fc0c60ee6369f2131fe9c06831332aa6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e919101d25bbce5b89245205a67b48fc0c60ee6369f2131fe9c06831332aa6e", kill_on_drop: false }`
[INFO] [stdout] 5e919101d25bbce5b89245205a67b48fc0c60ee6369f2131fe9c06831332aa6e