[INFO] fetching crate samd21_mini 0.5.0...
[INFO] checking samd21_mini-0.5.0 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate samd21_mini 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate samd21_mini 0.5.0 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate samd21_mini 0.5.0
[INFO] finished tweaking crates.io crate samd21_mini 0.5.0
[INFO] tweaked toml for crates.io crate samd21_mini 0.5.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate samd21_mini 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b185f5c0e1fa5bec9392b98ae1236d3f6bf1d6faf0d5a86add0511671ca1b6a
[INFO] running `"docker" "start" "-a" "9b185f5c0e1fa5bec9392b98ae1236d3f6bf1d6faf0d5a86add0511671ca1b6a"`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling cortex-m-rtfm v0.4.3
[INFO] [stderr]    Compiling cortex-m v0.5.10
[INFO] [stderr]     Checking cortex-m-semihosting v0.3.5
[INFO] [stderr]     Checking atsamd-hal v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking panic-semihosting v0.5.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling owned-singleton-macros v0.1.0
[INFO] [stderr]    Compiling cortex-m-rtfm-macros v0.4.3
[INFO] [stderr] error[E0432]: unresolved import `crate::hal::Pwm`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/atsamd-hal-0.8.0/src/samd21/pwm.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::hal::{Pwm, PwmPin};
[INFO] [stderr]   |                  ^^^ no `Pwm` in the root
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `atsamd-hal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9b185f5c0e1fa5bec9392b98ae1236d3f6bf1d6faf0d5a86add0511671ca1b6a"`
[INFO] running `"docker" "rm" "-f" "9b185f5c0e1fa5bec9392b98ae1236d3f6bf1d6faf0d5a86add0511671ca1b6a"`
[INFO] [stdout] 9b185f5c0e1fa5bec9392b98ae1236d3f6bf1d6faf0d5a86add0511671ca1b6a