[INFO] fetching crate trinket_m0 0.9.0...
[INFO] testing trinket_m0-0.9.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate trinket_m0 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trinket_m0 0.9.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate trinket_m0 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trinket_m0 0.9.0
[INFO] tweaked toml for crates.io crate trinket_m0 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate trinket_m0 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90ae0ed6d96da84f6fa7e9cd528673bb93900b691af0607f6e38d6b4bfef9319
[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" "90ae0ed6d96da84f6fa7e9cd528673bb93900b691af0607f6e38d6b4bfef9319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ae0ed6d96da84f6fa7e9cd528673bb93900b691af0607f6e38d6b4bfef9319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ae0ed6d96da84f6fa7e9cd528673bb93900b691af0607f6e38d6b4bfef9319", kill_on_drop: false }`
[INFO] [stdout] 90ae0ed6d96da84f6fa7e9cd528673bb93900b691af0607f6e38d6b4bfef9319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98da7b7992e6d78bc54622d41676e231ef7a0fdf0d0d64266d4549b500ca74e
[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" "d98da7b7992e6d78bc54622d41676e231ef7a0fdf0d0d64266d4549b500ca74e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling vcell v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling atsamd21e v0.9.0
[INFO] [stderr]    Compiling trinket_m0 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling smart-leds v0.3.0
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling bitbang-hal v0.3.2
[INFO] [stderr]    Compiling apa102-spi v0.3.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.4
[INFO] [stderr]    Compiling aligned v0.3.4
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]    Compiling atsamd-hal v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.98s
[INFO] running `Command { std: "docker" "inspect" "d98da7b7992e6d78bc54622d41676e231ef7a0fdf0d0d64266d4549b500ca74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98da7b7992e6d78bc54622d41676e231ef7a0fdf0d0d64266d4549b500ca74e", kill_on_drop: false }`
[INFO] [stdout] d98da7b7992e6d78bc54622d41676e231ef7a0fdf0d0d64266d4549b500ca74e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6024883ec2503d94965895ebe480a695cf528790e23f7cde867d63ac9f0ba70d
[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" "6024883ec2503d94965895ebe480a695cf528790e23f7cde867d63ac9f0ba70d", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling trinket_m0 v0.9.0 (/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 `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" "6024883ec2503d94965895ebe480a695cf528790e23f7cde867d63ac9f0ba70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6024883ec2503d94965895ebe480a695cf528790e23f7cde867d63ac9f0ba70d", kill_on_drop: false }`
[INFO] [stdout] 6024883ec2503d94965895ebe480a695cf528790e23f7cde867d63ac9f0ba70d