[INFO] crate trellis_m4 0.4.0 is already in cache
[INFO] checking trellis_m4-0.4.0 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate trellis_m4 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate trellis_m4 0.4.0 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trellis_m4 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trellis_m4 0.4.0
[INFO] tweaked toml for crates.io crate trellis_m4 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate trellis_m4 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d6f9066b131e6256b805adc21249d0cb2eee889d7f909c6e5973bab64b319ed
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3d6f9066b131e6256b805adc21249d0cb2eee889d7f909c6e5973bab64b319ed"`
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling trellis_m4 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smart-leds-trait v0.1.1
[INFO] [stderr]     Checking as-slice v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking smart-leds v0.1.0
[INFO] [stderr]    Compiling atsamd51g19a v0.6.0
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking aligned v0.3.1
[INFO] [stderr]     Checking heapless v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cortex-m-rt v0.6.10
[INFO] [stderr]     Checking panic_rtt v0.2.0
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]     Checking cortex-m-rtfm v0.4.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking atsamd-hal v0.7.0
[INFO] [stderr] error[E0432]: unresolved import `ws2812_nop_samd51`
[INFO] [stderr]  --> examples/neopixel_rainbow.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ws2812_nop_samd51 as ws2812;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ws2812_nop_samd51` external crate
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `ws2812_nop_samd51`
[INFO] [stderr]  --> examples/neopixel_blink.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ws2812_nop_samd51 as ws2812;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ws2812_nop_samd51` external crate
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smart_leds::SmartLedsWrite`
[INFO] [stderr]   --> examples/neopixel_rainbow.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use smart_leds::SmartLedsWrite;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `smart_leds::SmartLedsWrite`
[INFO] [stderr]   --> examples/neopixel_blink.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use smart_leds::SmartLedsWrite;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `trellis_m4`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `trellis_m4`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3d6f9066b131e6256b805adc21249d0cb2eee889d7f909c6e5973bab64b319ed"`
[INFO] running `"docker" "rm" "-f" "3d6f9066b131e6256b805adc21249d0cb2eee889d7f909c6e5973bab64b319ed"`
[INFO] [stdout] 3d6f9066b131e6256b805adc21249d0cb2eee889d7f909c6e5973bab64b319ed