[INFO] fetching crate trinket_m0 0.8.0...
[INFO] checking trinket_m0-0.8.0 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate trinket_m0 0.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate trinket_m0 0.8.0 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/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-8/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded as-slice v0.1.4
[INFO] [stderr]   Downloaded bitbang-hal v0.3.2
[INFO] [stderr]   Downloaded atsamd21e v0.9.0
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded apa102-spi v0.3.2
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded usbd-serial v0.1.1
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded usb-device v0.2.7
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded cortex-m v0.6.4
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded atsamd-hal v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19d2935f6c3c4fc2602f1bb1d459560516689c86fa89c657fd5ac39065951a1
[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" "d19d2935f6c3c4fc2602f1bb1d459560516689c86fa89c657fd5ac39065951a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19d2935f6c3c4fc2602f1bb1d459560516689c86fa89c657fd5ac39065951a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19d2935f6c3c4fc2602f1bb1d459560516689c86fa89c657fd5ac39065951a1", kill_on_drop: false }`
[INFO] [stdout] d19d2935f6c3c4fc2602f1bb1d459560516689c86fa89c657fd5ac39065951a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0ca1345b02eebd2c7be27c6f038556862d81786e10487c99902f885a6537d8
[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" "4e0ca1345b02eebd2c7be27c6f038556862d81786e10487c99902f885a6537d8", 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 bytemuck v1.4.1
[INFO] [stderr]    Compiling atsamd21e v0.9.0
[INFO] [stderr]    Compiling trinket_m0 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling paste v1.0.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking bitbang-hal v0.3.2
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking apa102-spi v0.3.2
[INFO] [stderr]     Checking smart-leds v0.3.0
[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] [stdout] error: language item required, but not found: `eh_personality`
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e0ca1345b02eebd2c7be27c6f038556862d81786e10487c99902f885a6537d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0ca1345b02eebd2c7be27c6f038556862d81786e10487c99902f885a6537d8", kill_on_drop: false }`
[INFO] [stdout] 4e0ca1345b02eebd2c7be27c6f038556862d81786e10487c99902f885a6537d8