[INFO] cloning repository https://github.com/jbcolle/adafruit-motor-shield-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbcolle/adafruit-motor-shield-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbcolle%2Fadafruit-motor-shield-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbcolle%2Fadafruit-motor-shield-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab13e2abcdb8fde9cf9db45a3a4b25446a4da271
[INFO] checking jbcolle/adafruit-motor-shield-v2 against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbcolle%2Fadafruit-motor-shield-v2" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/jbcolle/adafruit-motor-shield-v2
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/jbcolle/adafruit-motor-shield-v2
[INFO] tweaked toml for git repo https://github.com/jbcolle/adafruit-motor-shield-v2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jbcolle/adafruit-motor-shield-v2 on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jbcolle/adafruit-motor-shield-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938
[INFO] running `Command { std: "docker" "start" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling ufmt-macros v0.3.0
[INFO] [stderr]     Checking ufmt v0.2.0
[INFO] [stderr]     Checking adafruit-motor-shield-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | / fn panic(_info: &core::panic::PanicInfo) -> ! {
[INFO] [stdout] 37 | |     loop {}
[INFO] [stdout] 38 | | }
[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/e3d12f3322cb00126b2208c6b9df3ac4467951f5/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1143cdb186b7e82f.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`adafruit_motor_shield_v2`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adafruit-motor-shield-v2` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938", kill_on_drop: false }`
[INFO] [stdout] 39c90d5d61da084add567932754d5e0aa42737e3b52bd482f51bf3a716bc0938
