[INFO] cloning repository https://github.com/jakob-ledermann/STM32Fultrasonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakob-ledermann/STM32Fultrasonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-ledermann%2FSTM32Fultrasonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-ledermann%2FSTM32Fultrasonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef0c51b4a99f9e9ade35fcccded27e81484ce0e4
[INFO] checking jakob-ledermann/STM32Fultrasonic against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-ledermann%2FSTM32Fultrasonic" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakob-ledermann/STM32Fultrasonic on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jakob-ledermann/STM32Fultrasonic
[INFO] finished tweaking git repo https://github.com/jakob-ledermann/STM32Fultrasonic
[INFO] tweaked toml for git repo https://github.com/jakob-ledermann/STM32Fultrasonic written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jakob-ledermann/STM32Fultrasonic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4545fab8d9c8d8765858cfecbc262535754f265e7b383d1db886a52f00906512
[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" "4545fab8d9c8d8765858cfecbc262535754f265e7b383d1db886a52f00906512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4545fab8d9c8d8765858cfecbc262535754f265e7b383d1db886a52f00906512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4545fab8d9c8d8765858cfecbc262535754f265e7b383d1db886a52f00906512", kill_on_drop: false }`
[INFO] [stdout] 4545fab8d9c8d8765858cfecbc262535754f265e7b383d1db886a52f00906512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8008fddbe7d09b2f9bf0176f216592bd9e0c57f1ffd5b8ed092bcb8c8d36aabd
[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" "8008fddbe7d09b2f9bf0176f216592bd9e0c57f1ffd5b8ed092bcb8c8d36aabd", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]    Compiling stm32-usbd v0.5.1
[INFO] [stderr]    Compiling stm32f3 v0.12.1
[INFO] [stderr]     Checking usb-device v0.2.5
[INFO] [stderr]    Compiling stm32f3-discovery v0.6.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking embedded-dma v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking switch-hal v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking as-slice v0.1.3
[INFO] [stderr]     Checking micromath v1.0.1
[INFO] [stderr]     Checking lsm303dlhc v0.2.0
[INFO] [stderr]     Checking accelerometer v0.12.0
[INFO] [stderr]     Checking aligned v0.3.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking panic-reset v0.1.0
[INFO] [stderr]     Checking rtcc v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f3xx-hal v0.6.1
[INFO] [stderr]     Checking stm32f_ultrasonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `panic_reset` (which `stm32f_ultrasonic` depends on)
[INFO] [stdout]   = note: first definition in `panic_reset` loaded from /opt/rustwide/target/debug/deps/libpanic_reset-648bd412074ed57d.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1a95cddb5b8aaf6b.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OutputPin`
[INFO] [stdout]   --> src/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 | use stm32f3_discovery::stm32f3xx_hal::hal::digital::v2::{InputPin, OutputPin};
[INFO] [stdout]    |                                                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stm32f_ultrasonic` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `OutputPin`
[INFO] [stdout]   --> src/main.rs:10:68
[INFO] [stdout]    |
[INFO] [stdout] 10 | use stm32f3_discovery::stm32f3xx_hal::hal::digital::v2::{InputPin, OutputPin};
[INFO] [stdout]    |                                                                    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8008fddbe7d09b2f9bf0176f216592bd9e0c57f1ffd5b8ed092bcb8c8d36aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8008fddbe7d09b2f9bf0176f216592bd9e0c57f1ffd5b8ed092bcb8c8d36aabd", kill_on_drop: false }`
[INFO] [stdout] 8008fddbe7d09b2f9bf0176f216592bd9e0c57f1ffd5b8ed092bcb8c8d36aabd