[INFO] cloning repository https://github.com/geluk/teensy-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geluk/teensy-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8bb94f6609aa71cb87326cb5b1138f417481f00
[INFO] checking geluk/teensy-experiments against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeluk%2Fteensy-experiments" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geluk/teensy-experiments on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geluk/teensy-experiments
[INFO] finished tweaking git repo https://github.com/geluk/teensy-experiments
[INFO] tweaked toml for git repo https://github.com/geluk/teensy-experiments written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/geluk/teensy-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cf96cbc9cf89ba3d53de66ee7d8fa40ed64f5d267a432280840c66d2023ba9
[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" "75cf96cbc9cf89ba3d53de66ee7d8fa40ed64f5d267a432280840c66d2023ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cf96cbc9cf89ba3d53de66ee7d8fa40ed64f5d267a432280840c66d2023ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cf96cbc9cf89ba3d53de66ee7d8fa40ed64f5d267a432280840c66d2023ba9", kill_on_drop: false }`
[INFO] [stdout] 75cf96cbc9cf89ba3d53de66ee7d8fa40ed64f5d267a432280840c66d2023ba9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214aaa694834685b582897c528a752fd9c5310130d871b1c6cebaf09bc3397f6
[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" "214aaa694834685b582897c528a752fd9c5310130d871b1c6cebaf09bc3397f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.6.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling imxrt-ral v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling teensy4-bsp v0.1.0 (https://github.com/mciantyre/teensy4-rs.git?branch=master#c1cddef6)
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking smoltcp v0.6.0 (https://github.com/smoltcp-rs/smoltcp?branch=master#f25a5319)
[INFO] [stderr]     Checking embedded-mqtt v0.1.0 (https://github.com/wfdewith/embedded-mqtt.git?branch=master#551e052b)
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking enc28j60 v0.2.1 (https://github.com/geluk/enc28j60?branch=master#0f44de2f)
[INFO] [stderr]    Compiling imxrt-iomuxc-build v0.1.0
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]    Compiling imxrt-iomuxc v0.1.2
[INFO] [stderr]     Checking dsmr42 v0.1.0 (/opt/rustwide/workdir/dsmr42)
[INFO] [stderr]     Checking teensy4-pins v0.1.0 (https://github.com/mciantyre/teensy4-rs.git?branch=master#c1cddef6)
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking imxrt-hal v0.4.2
[INFO] [stderr]     Checking meter-reader v0.1.0 (/opt/rustwide/workdir/meter-reader)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> meter-reader/src/panic.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/dfd7b8d03fb93d0e03147d28b3be6d93260fa94d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib
[INFO] [stdout]   = note: second definition in the local crate (`meter_reader`)
[INFO] [stdout] 
[INFO] [stdout] 
[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 `meter-reader`
[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] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "214aaa694834685b582897c528a752fd9c5310130d871b1c6cebaf09bc3397f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214aaa694834685b582897c528a752fd9c5310130d871b1c6cebaf09bc3397f6", kill_on_drop: false }`
[INFO] [stdout] 214aaa694834685b582897c528a752fd9c5310130d871b1c6cebaf09bc3397f6