[INFO] fetching crate trinket_m0 0.8.0...
[INFO] checking trinket_m0-0.8.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate trinket_m0 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate trinket_m0 0.8.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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 trinket_m0 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trinket_m0 0.8.0
[INFO] tweaked toml for crates.io crate trinket_m0 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate trinket_m0 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded atsamd-hal v0.11.0
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded atsamd21e v0.9.0
[INFO] [stderr]   Downloaded bitbang-hal v0.3.2
[INFO] [stderr]   Downloaded cortex-m v0.6.4
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded usb-device v0.2.7
[INFO] [stderr]   Downloaded apa102-spi v0.3.2
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30874d0f436314b073abb3fb6f1cb43178cd5032cbd3c5130459b32fdac13b09
[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" "30874d0f436314b073abb3fb6f1cb43178cd5032cbd3c5130459b32fdac13b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30874d0f436314b073abb3fb6f1cb43178cd5032cbd3c5130459b32fdac13b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30874d0f436314b073abb3fb6f1cb43178cd5032cbd3c5130459b32fdac13b09", kill_on_drop: false }`
[INFO] [stdout] 30874d0f436314b073abb3fb6f1cb43178cd5032cbd3c5130459b32fdac13b09
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70165c82692f1d767969a9096fdc8e34cb536a1634fbada10402ff2282876fbd
[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" "70165c82692f1d767969a9096fdc8e34cb536a1634fbada10402ff2282876fbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling atsamd21e v0.9.0
[INFO] [stderr]    Compiling trinket_m0 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]     Checking nb v0.1.3
[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 generic-array v0.14.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking cortex-m v0.6.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking cortex-m-rt v0.6.13
[INFO] [stderr]     Checking atsamd-hal v0.11.0
[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 `trinket_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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "70165c82692f1d767969a9096fdc8e34cb536a1634fbada10402ff2282876fbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70165c82692f1d767969a9096fdc8e34cb536a1634fbada10402ff2282876fbd", kill_on_drop: false }`
[INFO] [stdout] 70165c82692f1d767969a9096fdc8e34cb536a1634fbada10402ff2282876fbd