[INFO] fetching crate ruduino 0.3.2...
[INFO] checking ruduino-0.3.2 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate ruduino 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ruduino 0.3.2 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ruduino 0.3.2
[INFO] finished tweaking crates.io crate ruduino 0.3.2
[INFO] tweaked toml for crates.io crate ruduino 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ruduino 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xmltree v0.10.2
[INFO] [stderr]   Downloaded target-cpu-fetch v0.1.3
[INFO] [stderr]   Downloaded avr-config v1.0.0
[INFO] [stderr]   Downloaded const_env_impl--value v0.1.2
[INFO] [stderr]   Downloaded avr-config v2.0.1
[INFO] [stderr]   Downloaded avr-std-stub v1.0.2
[INFO] [stderr]   Downloaded avr_delay v0.3.1
[INFO] [stderr]   Downloaded target-cpu-macro v0.1.3
[INFO] [stderr]   Downloaded const_env--value v0.1.2
[INFO] [stderr]   Downloaded avr-mcu v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a47b3b8079406416fb96610864436492cf1b71a14095619bd42bee2b3756e7d
[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" "7a47b3b8079406416fb96610864436492cf1b71a14095619bd42bee2b3756e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a47b3b8079406416fb96610864436492cf1b71a14095619bd42bee2b3756e7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a47b3b8079406416fb96610864436492cf1b71a14095619bd42bee2b3756e7d", kill_on_drop: false }`
[INFO] [stdout] 7a47b3b8079406416fb96610864436492cf1b71a14095619bd42bee2b3756e7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 25c54d68699044549a9604f6d7f3ad2c5a80d819f4720b79abadee44105b0e8a
[INFO] running `Command { std: "docker" "start" "-a" "25c54d68699044549a9604f6d7f3ad2c5a80d819f4720b79abadee44105b0e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking avr-std-stub v1.0.2
[INFO] [stderr]    Compiling target-cpu-fetch v0.1.3
[INFO] [stderr]    Compiling xmltree v0.10.2
[INFO] [stderr]    Compiling target-cpu-macro v0.1.3
[INFO] [stderr]    Compiling avr-mcu v0.3.5
[INFO] [stderr]    Compiling ruduino v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2
[INFO] [stderr]     Checking avr-config v1.0.0
[INFO] [stderr]     Checking avr-config v2.0.1
[INFO] [stderr]     Checking avr_delay v0.3.1
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruduino`
[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" "25c54d68699044549a9604f6d7f3ad2c5a80d819f4720b79abadee44105b0e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c54d68699044549a9604f6d7f3ad2c5a80d819f4720b79abadee44105b0e8a", kill_on_drop: false }`
[INFO] [stdout] 25c54d68699044549a9604f6d7f3ad2c5a80d819f4720b79abadee44105b0e8a