[INFO] updating cached repository https://github.com/ammoniak/sam3x8e
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98daa87233a2135b77dcd1457deeecb998a3f470
[INFO] testing ammoniak/sam3x8e against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammoniak%2Fsam3x8e" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ammoniak/sam3x8e on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ammoniak/sam3x8e
[INFO] finished tweaking git repo https://github.com/ammoniak/sam3x8e
[INFO] tweaked toml for git repo https://github.com/ammoniak/sam3x8e written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ammoniak/sam3x8e already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.bench
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9553bf91b111eb4e311352ba5ad36e4415f2d00f3b8cf42f5b1254913f6b42df
[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" "9553bf91b111eb4e311352ba5ad36e4415f2d00f3b8cf42f5b1254913f6b42df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9553bf91b111eb4e311352ba5ad36e4415f2d00f3b8cf42f5b1254913f6b42df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9553bf91b111eb4e311352ba5ad36e4415f2d00f3b8cf42f5b1254913f6b42df", kill_on_drop: false }`
[INFO] [stdout] 9553bf91b111eb4e311352ba5ad36e4415f2d00f3b8cf42f5b1254913f6b42df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e12338c87e2d8df13ae9347266c9478cc3d25c6e46fa8ca89042e2e3cddc8ec
[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" "2e12338c87e2d8df13ae9347266c9478cc3d25c6e46fa8ca89042e2e3cddc8ec", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.bench
[INFO] [stderr] warning: unused manifest key: package.test
[INFO] [stderr]    Compiling cortex-m v0.5.8
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling sam3x8e v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bare-metal v0.2.4
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr] error: could not compile `sam3x8e`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sam3x8e --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=c90e1a27da413690 -C extra-filename=-c90e1a27da413690 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bare_metal=/opt/rustwide/target/debug/deps/libbare_metal-d3541910677894ad.rmeta --extern cortex_m=/opt/rustwide/target/debug/deps/libcortex_m-9793091cd53c4fd7.rmeta --extern vcell=/opt/rustwide/target/debug/deps/libvcell-829460a871053748.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "2e12338c87e2d8df13ae9347266c9478cc3d25c6e46fa8ca89042e2e3cddc8ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e12338c87e2d8df13ae9347266c9478cc3d25c6e46fa8ca89042e2e3cddc8ec", kill_on_drop: false }`
[INFO] [stdout] 2e12338c87e2d8df13ae9347266c9478cc3d25c6e46fa8ca89042e2e3cddc8ec