[INFO] fetching crate teensy-lc 0.1.1...
[INFO] checking teensy-lc-0.1.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate teensy-lc 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate teensy-lc 0.1.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate teensy-lc 0.1.1
[INFO] finished tweaking crates.io crate teensy-lc 0.1.1
[INFO] tweaked toml for crates.io crate teensy-lc 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 371651f32b2ee2b40b97e35d2c178a7df48c9f4e11470188a4a10483987626e7
[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" "371651f32b2ee2b40b97e35d2c178a7df48c9f4e11470188a4a10483987626e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "371651f32b2ee2b40b97e35d2c178a7df48c9f4e11470188a4a10483987626e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371651f32b2ee2b40b97e35d2c178a7df48c9f4e11470188a4a10483987626e7", kill_on_drop: false }`
[INFO] [stdout] 371651f32b2ee2b40b97e35d2c178a7df48c9f4e11470188a4a10483987626e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147fa23fa84aa29c377159ef072c7f706593190132ef7f082fc730c5b69fbeea
[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" "147fa23fa84aa29c377159ef072c7f706593190132ef7f082fc730c5b69fbeea", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling mkl26z4 v0.1.1
[INFO] [stderr]    Compiling teensy-lc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking embedded-hal v0.2.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking cortex-m v0.7.3
[INFO] [stderr]     Checking cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling teensy-lc-macros v0.1.1
[INFO] [stderr]     Checking cortex-m-rt v0.6.15
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic_sos.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | 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/936f2600b6c903b04387f74ed5cbce88bb06d243/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib
[INFO] [stdout]    = note: second definition in the local crate (`teensy_lc`)
[INFO] [stdout] 
[INFO] [stdout] 
[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: could not compile `teensy-lc` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "147fa23fa84aa29c377159ef072c7f706593190132ef7f082fc730c5b69fbeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147fa23fa84aa29c377159ef072c7f706593190132ef7f082fc730c5b69fbeea", kill_on_drop: false }`
[INFO] [stdout] 147fa23fa84aa29c377159ef072c7f706593190132ef7f082fc730c5b69fbeea