[INFO] crate feather_m4 0.1.0 is already in cache
[INFO] extracting crate feather_m4 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/feather_m4/0.1.0
[INFO] extracting crate feather_m4 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/feather_m4/0.1.0
[INFO] validating manifest of feather_m4-0.1.0 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 feather_m4-0.1.0 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 feather_m4-0.1.0
[INFO] finished frobbing feather_m4-0.1.0
[INFO] frobbed toml for feather_m4-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/feather_m4/0.1.0/Cargo.toml
[INFO] started frobbing feather_m4-0.1.0
[INFO] finished frobbing feather_m4-0.1.0
[INFO] frobbed toml for feather_m4-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/feather_m4/0.1.0/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 feather_m4-0.1.0 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-6/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/feather_m4/0.1.0:/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] 64e00cfe987329d4e806e5e3ff383a86989ce04700f7b18f0ef156a3868da282
[INFO] running `"docker" "start" "-a" "64e00cfe987329d4e806e5e3ff383a86989ce04700f7b18f0ef156a3868da282"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 syn v1.0.3
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m v0.6.1
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling atsamd51j19a v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling feather_m4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[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 quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bare-metal v0.2.4
[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 14s
[INFO] running `"docker" "inspect" "64e00cfe987329d4e806e5e3ff383a86989ce04700f7b18f0ef156a3868da282"`
[INFO] running `"docker" "rm" "-f" "64e00cfe987329d4e806e5e3ff383a86989ce04700f7b18f0ef156a3868da282"`
[INFO] [stdout] 64e00cfe987329d4e806e5e3ff383a86989ce04700f7b18f0ef156a3868da282
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/feather_m4/0.1.0:/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] e0bd33a6474b4738e14707cb5b186e960a6f85e3d1b7e3e88b04244d95a3b392
[INFO] running `"docker" "start" "-a" "e0bd33a6474b4738e14707cb5b186e960a6f85e3d1b7e3e88b04244d95a3b392"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.4
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[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 ws2812-timer-delay v0.1.0
[INFO] [stderr]    Compiling smart-leds v0.1.0
[INFO] [stderr]    Compiling hash32 v0.1.0
[INFO] [stderr]    Compiling owned-singleton v0.1.0
[INFO] [stderr]    Compiling feather_m4 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::prelude::_embedded_hal_digital_OutputPin::set_high': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> examples/blinky_basic.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         red_led.set_high();
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hal::prelude::_embedded_hal_digital_OutputPin::set_low': Deprecated because the methods cannot return errors. Users should use the traits in digital::v2.
[INFO] [stderr]   --> examples/blinky_basic.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |         red_led.set_low();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `feather_m4`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e0bd33a6474b4738e14707cb5b186e960a6f85e3d1b7e3e88b04244d95a3b392"`
[INFO] running `"docker" "rm" "-f" "e0bd33a6474b4738e14707cb5b186e960a6f85e3d1b7e3e88b04244d95a3b392"`
[INFO] [stdout] e0bd33a6474b4738e14707cb5b186e960a6f85e3d1b7e3e88b04244d95a3b392