[INFO] crate pyportal 0.1.2 is already in cache
[INFO] extracting crate pyportal 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/pyportal/0.1.2
[INFO] extracting crate pyportal 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pyportal/0.1.2
[INFO] validating manifest of pyportal-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pyportal-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pyportal-0.1.2
[INFO] finished frobbing pyportal-0.1.2
[INFO] frobbed toml for pyportal-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pyportal/0.1.2/Cargo.toml
[INFO] started frobbing pyportal-0.1.2
[INFO] finished frobbing pyportal-0.1.2
[INFO] frobbed toml for pyportal-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pyportal/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pyportal-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pyportal/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f70573ce87105ae9cf23209a7f34ba5a06a4d2a8e06d93c89d17d72961014a07
[INFO] running `"docker" "start" "-a" "f70573ce87105ae9cf23209a7f34ba5a06a4d2a8e06d93c89d17d72961014a07"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling atsamd51j20a v0.4.0
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling pyportal v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling as-slice v0.1.0
[INFO] [stderr]    Compiling aligned v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]    Compiling paste v0.1.6
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.5
[INFO] [stderr]    Compiling atsamd-hal v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `"docker" "inspect" "f70573ce87105ae9cf23209a7f34ba5a06a4d2a8e06d93c89d17d72961014a07"`
[INFO] running `"docker" "rm" "-f" "f70573ce87105ae9cf23209a7f34ba5a06a4d2a8e06d93c89d17d72961014a07"`
[INFO] [stdout] f70573ce87105ae9cf23209a7f34ba5a06a4d2a8e06d93c89d17d72961014a07
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pyportal/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] e127683529dca6d60002f068aedeef31656e474d7749cefa78c21389974804a0
[INFO] running `"docker" "start" "-a" "e127683529dca6d60002f068aedeef31656e474d7749cefa78c21389974804a0"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.4
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling jlink_rtt v0.1.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.4.3
[INFO] [stderr]    Compiling panic_rtt v0.2.0
[INFO] [stderr]    Compiling panic-semihosting v0.5.2
[INFO] [stderr]    Compiling smart-leds-trait v0.1.1
[INFO] [stderr]    Compiling smart-leds v0.1.0
[INFO] [stderr]    Compiling ws2812-timer-delay v0.1.0
[INFO] [stderr]    Compiling hash32 v0.1.0
[INFO] [stderr]    Compiling owned-singleton v0.1.0
[INFO] [stderr]    Compiling pyportal v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `ws2812`
[INFO] [stderr]  --> examples/neopixel_rainbow.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | extern crate ws2812_nop_samd51 as ws2812;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `pyportal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e127683529dca6d60002f068aedeef31656e474d7749cefa78c21389974804a0"`
[INFO] running `"docker" "rm" "-f" "e127683529dca6d60002f068aedeef31656e474d7749cefa78c21389974804a0"`
[INFO] [stdout] e127683529dca6d60002f068aedeef31656e474d7749cefa78c21389974804a0