[INFO] fetching crate itsybitsy_m0 0.5.0...
[INFO] checking itsybitsy_m0-0.5.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate itsybitsy_m0 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate itsybitsy_m0 0.5.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate itsybitsy_m0 0.5.0
[INFO] finished tweaking crates.io crate itsybitsy_m0 0.5.0
[INFO] tweaked toml for crates.io crate itsybitsy_m0 0.5.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate itsybitsy_m0 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] c3c56ae2e9bbcf4c7c75ffa9b3e066f1b9addb83257460c419f224fcf69743d3
[INFO] running `"docker" "start" "-a" "c3c56ae2e9bbcf4c7c75ffa9b3e066f1b9addb83257460c419f224fcf69743d3"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.10
[INFO] [stderr]    Compiling atsamd21g18a v0.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling itsybitsy_m0 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ssd1306 v0.2.6
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking tinybmp v0.1.0
[INFO] [stderr]     Checking tinytga v0.1.0
[INFO] [stderr]     Checking embedded-graphics v0.4.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling paste-impl v0.1.6
[INFO] [stderr]     Checking paste v0.1.6
[INFO] [stderr]     Checking atsamd-hal v0.7.0
[INFO] [stderr] error: language item required, but not found: `eh_personality`
[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: language item required, but not found: `eh_personality`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `itsybitsy_m0`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `itsybitsy_m0`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `itsybitsy_m0`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c3c56ae2e9bbcf4c7c75ffa9b3e066f1b9addb83257460c419f224fcf69743d3"`
[INFO] running `"docker" "rm" "-f" "c3c56ae2e9bbcf4c7c75ffa9b3e066f1b9addb83257460c419f224fcf69743d3"`
[INFO] [stdout] c3c56ae2e9bbcf4c7c75ffa9b3e066f1b9addb83257460c419f224fcf69743d3