[INFO] fetching crate atsamd-hal 0.14.0...
[INFO] testing atsamd-hal-0.14.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate atsamd-hal 0.14.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate atsamd-hal 0.14.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atsamd-hal 0.14.0
[INFO] finished tweaking crates.io crate atsamd-hal 0.14.0
[INFO] tweaked toml for crates.io crate atsamd-hal 0.14.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0aaade202acf03a24db996e10a731185b787f3f4639bdaeedecb13cfd3e31d1
[INFO] running `Command { std: "docker" "start" "-a" "c0aaade202acf03a24db996e10a731185b787f3f4639bdaeedecb13cfd3e31d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0aaade202acf03a24db996e10a731185b787f3f4639bdaeedecb13cfd3e31d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0aaade202acf03a24db996e10a731185b787f3f4639bdaeedecb13cfd3e31d1", kill_on_drop: false }`
[INFO] [stdout] c0aaade202acf03a24db996e10a731185b787f3f4639bdaeedecb13cfd3e31d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a219ca732cb1773870e281c506cc91882533d7eb39beab9a8feddd390bf37eff
[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" "a219ca732cb1773870e281c506cc91882533d7eb39beab9a8feddd390bf37eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling seq-macro v0.2.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling atsamd-hal v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The HAL is usually built for a specific target device, selected using a feature.  If atsamd-hal is being built as a library, bypass this check by specifying the `library` feature
[INFO] [stdout]   --> src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / compile_error!(
[INFO] [stdout] 17 | |     "The HAL is usually built for a specific target device, selected using a \
[INFO] [stdout] 18 | |     feature.  If atsamd-hal is being built as a library, bypass this check by \
[INFO] [stdout] 19 | |     specifying the `library` feature"
[INFO] [stdout] 20 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pac`
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub use pac as target_device;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ no external crate `pac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atsamd-hal` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "a219ca732cb1773870e281c506cc91882533d7eb39beab9a8feddd390bf37eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a219ca732cb1773870e281c506cc91882533d7eb39beab9a8feddd390bf37eff", kill_on_drop: false }`
[INFO] [stdout] a219ca732cb1773870e281c506cc91882533d7eb39beab9a8feddd390bf37eff