[INFO] crate pfza_proto1 0.1.0 is already in cache
[INFO] checking pfza_proto1-0.1.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate pfza_proto1 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pfza_proto1 0.1.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pfza_proto1 0.1.0
[INFO] finished tweaking crates.io crate pfza_proto1 0.1.0
[INFO] tweaked toml for crates.io crate pfza_proto1 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate pfza_proto1 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a91e643da2718fa6edeb1f4b033eb8d739bc31c6292e64d44ef9a5133cfbd0f6
[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" "a91e643da2718fa6edeb1f4b033eb8d739bc31c6292e64d44ef9a5133cfbd0f6"`
[INFO] [stderr]    Compiling atsame54p20a v0.6.1
[INFO] [stderr]    Compiling pfza_proto1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atsamd-hal v0.8.0
[INFO] [stderr] warning: unused import: `PfC`
[INFO] [stderr]   --> src/lib.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | use gpio::{Floating, Input, Port, PfC};
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PfC`
[INFO] [stderr]   --> src/lib.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 | use gpio::{Floating, Input, Port, PfC};
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `pfza_proto1`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a91e643da2718fa6edeb1f4b033eb8d739bc31c6292e64d44ef9a5133cfbd0f6"`
[INFO] running `"docker" "rm" "-f" "a91e643da2718fa6edeb1f4b033eb8d739bc31c6292e64d44ef9a5133cfbd0f6"`
[INFO] [stdout] a91e643da2718fa6edeb1f4b033eb8d739bc31c6292e64d44ef9a5133cfbd0f6