[INFO] fetching crate trellis_m4 0.8.0...
[INFO] checking trellis_m4-0.8.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate trellis_m4 0.8.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate trellis_m4 0.8.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate trellis_m4 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate trellis_m4 0.8.0
[INFO] tweaked toml for crates.io crate trellis_m4 0.8.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate trellis_m4 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 17cead9db5a26a67d668ce923df1a34a8e3e983920cf611048bf2d0ac58b1925
[INFO] running `Command { std: "docker" "start" "-a" "17cead9db5a26a67d668ce923df1a34a8e3e983920cf611048bf2d0ac58b1925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17cead9db5a26a67d668ce923df1a34a8e3e983920cf611048bf2d0ac58b1925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17cead9db5a26a67d668ce923df1a34a8e3e983920cf611048bf2d0ac58b1925", kill_on_drop: false }`
[INFO] [stdout] 17cead9db5a26a67d668ce923df1a34a8e3e983920cf611048bf2d0ac58b1925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed3299aa12bd352d5712b8ca4eed2168af0ea08fec30c36bd0eb874f8565eb7f
[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" "ed3299aa12bd352d5712b8ca4eed2168af0ea08fec30c36bd0eb874f8565eb7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling atsamd51g v0.9.0
[INFO] [stderr]    Compiling trellis_m4 v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atsamd-hal v0.12.0
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trellis_m4`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed3299aa12bd352d5712b8ca4eed2168af0ea08fec30c36bd0eb874f8565eb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3299aa12bd352d5712b8ca4eed2168af0ea08fec30c36bd0eb874f8565eb7f", kill_on_drop: false }`
[INFO] [stdout] ed3299aa12bd352d5712b8ca4eed2168af0ea08fec30c36bd0eb874f8565eb7f